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CPC
COOPERATIVE PATENT CLASSIFICATION
G01S
RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES [2019-08]
NOTES

  • In this subclass, the following term is used with the meaning indicated:
    • "transponder" means an arrangement which reacts to an incoming interrogating or detecting wave by emitting a specific answering or identifying wave.
  • Attention is drawn to the Notes following the title of class G01 and to Note (1) following the title of subclass G09B.
WARNINGS

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    G01S7/26 covered by G01S 7/06
  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
G01S 1/00
Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith (position fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [2013-01]
G01S 1/02
.
using radio waves (G01S 19/00 takes precedence) [2013-01]
G01S 1/022
. .
{Means for monitoring or calibrating} [2013-01]
G01S 1/024
. . .
{of beacon transmitters} [2013-01]
G01S 1/026
. . .
{of associated receivers} [2013-01]
G01S 1/028
. . .
{Simulation means, e.g. of beacon signals therefor (for teaching or training purposes G09B 9/00)} [2013-01]
G01S 1/04
. .
Details [2013-01]
G01S 1/042
. . .
{Transmitters} [2021-08]
G01S 1/0423
. . . .
{Mounting or deployment thereof} [2021-08]
G01S 1/0426
. . . . .
{Collocated with electrical equipment other than beacons } [2021-08]
G01S 1/0428
. . . .
{Signal details} [2021-08]
G01S 1/045
. . .
{Receivers} [2013-01]
G01S 1/047
. . .
{Displays or indicators (G01S 1/06 takes precedence)} [2013-01]
G01S 1/06
. . .
Means for providing multiple indication, e.g. coarse and fine indications [2013-01]
G01S 1/08
. .
Systems for determining direction or position line [2019-08]
G01S 1/10
. . .
using amplitude comparison of signals transmitted sequentially from antennas or antenna systems having differently-oriented overlapping directivity characteristics, e.g. equi-signal A-N type [2018-01]
G01S 1/12
. . . .
the signals being transmitted sequentially from an antenna or antenna system having the orientation of its directivity characteristic periodically varied, e.g. by means of sequentially effective reflectors [2018-01]
G01S 1/14
. . .
using amplitude comparison of signals transmitted simultaneously from antennas or antenna systems having differently oriented overlapping directivity-characteristics [2018-01]
G01S 1/16
. . . .
Azimuthal guidance systems, e.g. system for defining aircraft approach path, localiser system [2013-01]
G01S 1/18
. . . .
Elevational guidance systems, e.g. system for defining aircraft glide path [2013-01]
G01S 1/20
. . .
using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems [2018-01]
G01S 1/22
. . . .
the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves [2013-01]
G01S 1/24
. . . .
the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations {, e.g. LORAN systems} [2017-08]
G01S 1/245
. . . . .
{Details of receivers cooperating therewith, e.g. determining positive zero crossing of third cycle in LORAN-C} [2013-01]
G01S 1/26
. . . . .
Systems in which pulses or time-base signals are generated locally at the receiver and brought into predetermined time-relationship with received signals, e.g. pulse duration coincides with time interval between arrival of significant part of modulation of signals received from first and second antennas or antenna systems [2018-01]
G01S 1/28
. . . . . .
wherein the predetermined time-relationship is maintained automatically {contains no documents} [2013-01]
G01S 1/30
. . . .
the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference [2013-01]
G01S 1/302
. . . . .
{Systems in which the direction is determined by using an interferometric type transmitting antenna array} [2013-01]
G01S 1/304
. . . . .
{Analogous systems in which a beat frequency, obtained by heterodyning the signals, is compared in phase with a reference signal obtained by heterodyning the signals in a fixed reference point and transmitted therefrom, e.g. LORAC (long range accuracy) or TORAN systems} [2013-01]
G01S 1/306
. . . . .
{Analogous systems in which frequency-related signals (harmonics) are compared in phase, e.g. DECCA systems} [2013-01]
G01S 1/308
. . . . .
{particularly adapted to Omega systems} [2013-01]
G01S 1/32
. . . . .
Systems in which the signals received, with or without amplification, or signals derived therefrom, are compared in phase directly {contains no documents} [2013-01]
G01S 1/34
. . . . .
Systems in which first and second synchronised signals are transmitted from both antennas or antenna systems and a beat frequency, obtained by heterodyning the first signals with each other is compared in phase with a beat frequency obtained by heterodyning the second signals with each other [2018-01]
G01S 1/36
. . . . .
Systems in which a beat frequency, obtained by heterodyning the synchronised signals, is compared in phase with a reference signal having a phase substantially independent of direction {contains no documents} [2013-01]
G01S 1/38
. . .
using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna [2018-01]
G01S 1/40
. . . .
the apparent movement of the antenna being produced by cyclic sequential energisation of fixed antennas [2018-01]
G01S 1/42
. . .
Conical-scan beacons transmitting signals which indicate at a mobile receiver any displacement of the receiver from the conical-scan axis, e.g. for "beam-riding" missile control [2013-01]
G01S 1/44
. . .
Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation [2013-01]
G01S 1/46
. . . .
Broad-beam systems producing at a receiver a substantially continuous sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon, e.g. cardioid system [2013-01]
G01S 1/465
. . . . .
{using time-varying interference fields} [2013-01]
G01S 1/48
. . . . .
wherein the phase angle of the direction-dependent envelope signal is a multiple of the direction angle, e.g. for "fine" bearing indication {TACAN} [2013-01]
G01S 1/50
. . . . .
wherein the phase angle of the direction-dependent envelope signal is compared with a non-direction-dependent reference signal, {e.g. VOR} [2013-01]
G01S 1/52
. . . . .
wherein the phase angles of a plurality of direction-dependent envelope signals produced by a plurality of beams rotating at different speeds or in different directions are compared [2013-01]
G01S 1/54
. . . .
Narrow-beam systems producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon; Overlapping broad beam systems defining a narrow zone and producing at a receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the receiver from the beacon and a reference direction from the beacon [2013-01]
G01S 1/56
. . . . .
Timing the pulse-type envelope signals derived by reception of the beam [2013-01]
G01S 1/58
. . . . .
wherein a characteristic of the beam transmitted or of an auxiliary signal is varied in time synchronously with rotation or oscillation of the beam [2013-01]
G01S 1/60
. . . . . .
Varying frequency of beam signal or of auxiliary signal [2013-01]
G01S 1/62
. . . . . .
Varying phase-relationship between beam and auxiliary signal [2013-01]
G01S 1/64
. . . . . .
Varying pulse timing, e.g. varying interval between pulses radiated in pairs [2013-01]
G01S 1/66
. . . . . .
Superimposing direction-indicating intelligence signals, e.g. speech, Morse [2013-01]
G01S 1/68
. .
Marker, boundary, call-sign, or like beacons transmitting signals not carrying directional information [2013-01]
G01S 1/685
. . .
{using pulse modulation, e.g. pulse frequency modulation} [2013-01]
G01S 1/70
.
using electromagnetic waves other than radio waves [2021-08]
G01S 1/703
. .
{Details} [2021-08]
G01S 1/7032
. . .
{Transmitters} [2021-08]
G01S 1/7034
. . . .
{Mounting or deployment thereof} [2021-08]
G01S 1/7036
. . . . .
{Collocated with electrical equipment other than beacons} [2021-08]
G01S 1/7038
. . . .
{Signal details} [2021-08]
G01S 1/705
. .
{using gamma or X-rays} [2013-01]
G01S 1/72
.
using ultrasonic, sonic or infrasonic waves [2019-08]
G01S 1/725
. .
{Marker, boundary, call-sign or like beacons transmitting signals not carrying directional information} [2013-01]
G01S 1/74
. .
Details [2021-08]
G01S 1/75
. . .
{Transmitters} [2021-08]
G01S 1/751
. . . .
{Mounting or deployment thereof} [2021-08]
G01S 1/752
. . . . .
{Collocated with electrical equipment other than beacons } [2021-08]
G01S 1/753
. . . .
{Signal details} [2021-08]
G01S 1/76
. .
Systems for determining direction or position line [2019-08]
G01S 1/763
. . .
{using the Doppler shift introduced by the relative motion between beacon and receiver} [2013-01]
G01S 1/766
. . .
{Conical-scan beam beacons transmitting signals which indicate at a mobile receiver any displacement of the receiver from the conical-scan axis} [2013-01]
G01S 1/78
. . .
using amplitude comparison of signals transmitted from transducers or transducer systems having differently-oriented characteristics [2013-01]
G01S 1/783
. . . .
{the signals being transmitted sequentially} [2013-01]
G01S 1/786
. . . .
{the signals being transmitted simultaneously} [2013-01]
G01S 1/80
. . .
using a comparison of transit time of synchronised signals transmitted from non-directional transducers or transducer systems spaced apart, i.e. path-difference systems [2013-01]
G01S 1/802
. . . .
{the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves} [2013-01]
G01S 1/805
. . . .
{the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations} [2013-01]
G01S 1/807
. . . .
{the synchronised signals being continuous waves or intermittent trains of continuous waves, the intermittency not being for the purpose of determining direction or position line and the transit times being compared by measuring the phase difference} [2013-01]
G01S 1/82
. . .
Rotating or oscillating beam beacons defining directions in the plane of rotation or oscillation [2013-01]
G01S 3/00
Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received (position-fixing by co-ordinating a plurality of determinations of direction or position lines G01S 5/00) [2021-01]
G01S 3/02
.
using radio waves [2013-01]
G01S 3/023
. .
{Monitoring or calibrating} [2013-01]
G01S 3/026
. . .
{Simulating means therefor} [2013-01]
G01S 3/04
. .
Details [2013-01]
G01S 3/043
. . .
{Receivers} [2013-01]
G01S 3/046
. . .
{Displays or indicators} [2013-01]
G01S 3/06
. . .
Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna (comparing amplitude of signals having differently oriented directivity characteristics to determine direction G01S 3/16, G01S 3/28) [2018-01]
G01S 3/065
. . . .
{by using non-directional aerial} [2013-01]
G01S 3/08
. . .
Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems [2018-01]
G01S 3/085
. . . .
{by using spaced loop aerial systems} [2013-01]
G01S 3/10
. . .
Means for reducing or compensating for quadrantal, site, or like errors [2013-01]
G01S 3/12
. . .
Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna (determining direction by amplitude comparison of signals derived by combining directional and non-directional signals G01S 3/24, G01S 3/34) [2018-01]
G01S 3/14
. .
Systems for determining direction or deviation from predetermined direction {(aerial arrangements for changing or varying the orientation or the shape of the directional pattern H01Q 3/00; combinations of different interacting aerial units for giving a desired directional characteristic H01Q 21/29; aerials or aerial systems providing at least two radiation patterns H01Q 25/00)} [2013-01]
G01S 3/143
. . .
{by vectorial combination of signals derived from differently oriented antennae} [2013-01]
G01S 3/146
. . .
{by comparing linear polarisation components} [2021-01]
G01S 3/16
. . .
using amplitude comparison of signals derived sequentially from receiving antennas or antenna systems having differently-oriented directivity characteristics or from an antenna system having periodically-varied orientation of directivity characteristic [2018-01]
G01S 3/18
. . . .
derived directly from separate directional antennas [2018-01]
G01S 3/20
. . . .
derived by sampling signal received by an antenna system having periodically-varied orientation of directivity characteristic [2018-01]
G01S 3/22
. . . .
derived from different combinations of signals from separate antennas, e.g. comparing sum with difference [2018-01]
G01S 3/24
. . . . .
the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic [2018-01]
G01S 3/26
. . . . .
the separate antennas having differently-oriented directivity characteristics [2018-01]
G01S 3/28
. . .
using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics [2018-01]
G01S 3/30
. . . .
derived directly from separate directional systems [2013-01]
G01S 3/32
. . . .
derived from different combinations of signals from separate antennas, e.g. comparing sum with difference [2018-01]
G01S 3/325
. . . . .
{Automatic tracking systems} [2013-01]
G01S 3/34
. . . . .
the separate antennas comprising one directional antenna and one non-directional antenna, e.g. combination of loop and open antennas producing a reversed cardioid directivity characteristic [2018-01]
G01S 3/36
. . . . .
the separate antennas having differently-oriented directivity characteristics [2018-01]
G01S 3/38
. . .
using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal (G01S 3/16, G01S 3/28 take precedence) [2018-01]
G01S 3/40
. . . .
adjusting orientation of a single directivity characteristic to produce maximum or minimum signal, e.g. rotatable loop antenna or equivalent goniometer system [2018-01]
G01S 3/42
. . . .
the desired condition being maintained automatically [2013-01]
G01S 3/44
. . . .
the adjustment being varied periodically or continuously until it is halted automatically when the desired condition is attained [2013-01]
G01S 3/46
. . .
using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems [2018-01]
G01S 3/465
. . . .
{the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured} [2013-01]
G01S 3/48
. . . .
the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured [2018-01]
G01S 3/50
. . . .
the waves arriving at the antennas being pulse modulated and the time difference of their arrival being measured [2018-01]
G01S 3/52
. . .
using a receiving antenna moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal [2018-01]
G01S 3/54
. . . .
the apparent movement of the antenna being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced antennas [2018-01]
G01S 3/56
. . .
Conical-scan beam systems using signals indicative of the deviation of the direction of reception from the scan axis [2013-01]
G01S 3/58
. . .
Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane (G01S 3/14 takes precedence) [2013-01]
G01S 3/60
. . . .
Broad-beam systems producing in the receiver a substantially sinusoidal envelope signal of the carrier wave of the beam, the phase angle of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver, e.g. cardioid system [2013-01]
G01S 3/62
. . . . .
wherein the phase angle of the signal is indicated by a cathode-ray tube [2013-01]
G01S 3/64
. . . . .
wherein the phase angle of the signal is determined by phase comparison with a reference alternating signal varying in synchronism with the directivity variation [2013-01]
G01S 3/66
. . . .
Narrow-beam systems producing in the receiver a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver; Overlapping broad-beam systems defining in the receiver a narrow zone and producing a pulse-type envelope signal of the carrier wave of the beam, the timing of which is dependent upon the angle between the direction of the transmitter from the receiver and a reference direction from the receiver [2013-01]
G01S 3/68
. . . . .
wherein the timing of the pulse-type envelope signal is indicated by cathode-ray tube [2021-01]
G01S 3/70
. . . . .
wherein the timing of the pulse-type envelope signal is determined by bringing a locally-generated pulse-type signal into coincidence or other predetermined time-relationship with the envelope signal [2013-01]
G01S 3/72
. .
Diversity systems specially adapted for direction-finding [2013-01]
G01S 3/74
. .
Multi-channel systems specially adapted for direction-finding, i.e. having a single antenna system capable of giving simultaneous indications of the directions of different signals (systems in which the directions of different signals are determined sequentially and displayed simultaneously G01S 3/04, G01S 3/14) [2018-01]
G01S 3/78
.
using electromagnetic waves other than radio waves [2013-01]
G01S 3/7803
. .
{Means for monitoring or calibrating} [2013-01]
G01S 3/7806
. .
{using gamma or X-rays} [2013-01]
G01S 3/781
. .
Details [2013-01]
G01S 3/782
. .
Systems for determining direction or deviation from predetermined direction [2013-01]
G01S 3/783
. . .
using amplitude comparison of signals derived from static detectors or detector systems [2013-01]
G01S 3/7835
. . . .
{using coding masks} [2013-01]
G01S 3/784
. . . .
using a mosaic of detectors [2013-01]
G01S 3/785
. . .
using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system [2013-01]
G01S 3/786
. . . .
the desired condition being maintained automatically [2021-01]
G01S 3/7861
. . . . .
{Solar tracking systems} [2013-01]
G01S 3/7862
. . . . . .
{mounted on a moving platform, e.g. space vehicle} [2016-08]
G01S 3/7864
. . . . .
{T.V. type tracking systems} [2013-01]
G01S 3/7865
. . . . . .
{using correlation of the live video image with a stored image} [2013-01]
G01S 3/7867
. . . . .
{Star trackers (navigation using star trackers G01C 21/025)} [2013-01]
G01S 3/7868
. . . . .
{using horizon sensors} [2013-01]
G01S 3/787
. . .
using rotating reticles producing a direction-dependent modulation characteristic [2021-01]
G01S 3/788
. . . .
producing a frequency modulation characteristic [2013-01]
G01S 3/789
. . .
using rotating or oscillating beam systems, e.g. using mirrors, prisms [2013-01]
G01S 3/80
.
using ultrasonic, sonic or infrasonic waves [2013-01]
G01S 3/8003
. .
{Diversity systems specially adapted for direction finding} [2013-01]
G01S 3/8006
. .
{Multi-channel systems specially adapted for direction-finding, i.e. having a single aerial system capable of giving simultaneous indications of the directions of different signals} [2013-01]
G01S 3/801
. .
Details {(G01S 3/82, G01S 3/84, G01S 3/86 take precedence)} [2013-01]
G01S 3/802
. .
Systems for determining direction or deviation from predetermined direction [2021-01]
G01S 3/8022
. . .
{using the Doppler shift introduced by the relative motion between source and receiver} [2013-01]
G01S 3/8025
. . .
{Conical-scan beam systems using signals indicative of the deviation of the direction of reception from the scan axis} [2013-01]
G01S 3/8027
. . .
{By vectorial composition of signals received by plural, differently-oriented transducers} [2013-01]
G01S 3/803
. . .
using amplitude comparison of signals derived from receiving transducers or transducer systems having differently-oriented directivity characteristics [2013-01]
G01S 3/8032
. . . .
{wherein the signals are derived sequentially} [2013-01]
G01S 3/8034
. . . .
{wherein the signals are derived simultaneously} [2013-01]
G01S 3/8036
. . . . .
{derived directly from separate directional systems} [2013-01]
G01S 3/8038
. . . . .
{derived from different combinations of signals from separate transducers comparing sum with difference} [2013-01]
G01S 3/805
. . .
using adjustment of real or effective orientation of directivity characteristics of a transducer or transducer system to give a desired condition of signal derived from that transducer or transducer system, e.g. to give a maximum or minimum signal [2017-08]
G01S 3/8055
. . . .
{adjusting orientation of a single directivity characteristic to produce maximum or minimum signal} [2013-01]
G01S 3/807
. . . .
the desired condition being maintained automatically [2013-01]
G01S 3/808
. . .
using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems [2013-01]
G01S 3/8083
. . . .
{determining direction of source} [2013-01]
G01S 3/8086
. . . .
{determining other position line of source} [2013-01]
G01S 3/809
. . .
Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane [2013-01]
G01S 3/82
. .
with means for adjusting phase or compensating for time-lag errors [2013-01]
G01S 3/84
. .
with indication presented on cathode-ray tubes [2013-01]
G01S 3/86
. .
with means for eliminating undesired waves, e.g. disturbing noises [2013-01]
G01S 5/00
Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations {(using active systems G01S 13/00, G01S 15/00, G01S 17/00)} [2023-05]
G01S 5/0009
.
{Transmission of position information to remote stations (involving assistance data G01S 5/0236)} [2020-05]
G01S 5/0018
. .
{Transmission from mobile station to base station} [2013-01]
G01S 5/0027
. . .
{of actual mobile position, i.e. position determined on mobile} [2013-01]
G01S 5/0036
. . .
{of measured values, i.e. measurement on mobile and position calculation on base station} [2013-01]
G01S 5/0045
. .
{Transmission from base station to mobile station (G01S 5/009 takes precedence)} [2013-01]
G01S 5/0054
. . .
{of actual mobile position, i.e. position calculation on base station} [2013-01]
G01S 5/0063
. . .
{of measured values, i.e. measurement on base station and position calculation on mobile} [2013-01]
G01S 5/0072
. .
{Transmission between mobile stations, e.g. anti-collision systems} [2013-01]
G01S 5/0081
. .
{Transmission between base stations} [2013-01]
G01S 5/009
. .
{Transmission of differential positioning data to mobile} [2013-01]
G01S 5/01
.
{Determining conditions which influence positioning, e.g. radio environment, state of motion or energy consumption} [2023-05]
G01S 5/011
. .
{Identifying the radio environment} [2023-05]
G01S 5/012
. .
{Identifying whether indoors or outdoors} [2023-05]
G01S 5/013
. .
{Identifying areas in a building} [2023-05]
G01S 5/014
. .
{Identifying transitions between environments} [2023-05]
G01S 5/015
. . .
{between indoor and outdoor environments} [2023-05]
G01S 5/016
. . .
{between areas within a building} [2023-05]
G01S 5/017
. .
{Detecting state or type of motion} [2023-05]
G01S 5/018
. .
{Involving non-radio wave signals or measurements} [2023-05]
G01S 5/019
. .
{Energy consumption} [2023-05]
G01S 5/02
.
using radio waves (using satellite radio beacon systems for determining position G01S 19/00) [2023-05]
G01S 5/0205
. .
{Details} [2023-05]
G01S 5/021
. . .
{Calibration, monitoring or correction (G01S 5/0252 takes precedence)} [2013-01]
G01S 5/0215
. . .
{Interference} [2023-05]
G01S 5/0218
. . .
{Multipath in signal reception} [2023-05]
G01S 5/0221
. . .
{Receivers} [2023-05]
G01S 5/02213
. . . .
{Receivers arranged in a network for determining the position of a transmitter} [2023-05]
G01S 5/02216
. . . . .
{Timing or synchronisation of the receivers} [2023-05]
G01S 5/0226
. . .
{Transmitters} [2020-05]
G01S 5/0231
. . . .
{Emergency, distress or locator beacons} [2013-01]
G01S 5/0236
. . .
{Assistance data, e.g. base station almanac} [2020-05]
G01S 5/0242
. . .
{Determining the position of transmitters to be subsequently used in positioning (G01S 5/0289 takes precedence)} [2023-05]
G01S 5/0244
. . .
{Accuracy or reliability of position solution or of measurements contributing thereto} [2023-05]
G01S 5/0246
. .
{involving frequency difference of arrival or Doppler measurements (G01S 5/02685 takes precedence)} [2023-05]
G01S 5/0247
. .
{Determining attitude} [2020-05]
G01S 5/0249
. .
{Determining position using measurements made by a non-stationary device other than the device whose position is being determined} [2023-05]
G01S 5/0252
. .
{Radio frequency fingerprinting} [2023-05]
NOTE

  • In this group, the following terms are used with the meaning indicated:
    • Radio frequency fingerprints mean measurements or simulated values of radio frequency signal parameters, e.g. receiver signal strength indicator [RSSI] or identifiers or access point identifiers [ApIds] combined with coordinates of the positions at which the radio frequency fingerprints were measured.
    • "Radio-map" means a collection of radio frequency fingerprints.
G01S 5/02521
. . .
{using a radio-map} [2023-05]
G01S 5/02522
. . . .
{The radio-map containing measured values of non-radio values} [2023-05]
G01S 5/02523
. . . .
{Details of interaction of receiver with radio-map} [2023-05]
G01S 5/02524
. . . .
{Creating or updating the radio-map} [2023-05]
G01S 5/02525
. . . . .
{Gathering the radio frequency fingerprints} [2023-05]
G01S 5/02526
. . . . . .
{using non-dedicated equipment, e.g. user equipment or crowd-sourcing} [2023-05]
G01S 5/02527
. . . . .
{Detecting or resolving anomalies in the radio frequency fingerprints of the radio-map} [2023-05]
G01S 5/02528
. . .
{Simulating radio frequency fingerprints} [2023-05]
G01S 5/02529
. . .
{not involving signal parameters, i.e. only involving identifiers} [2023-05]
G01S 5/0257
. .
{Hybrid positioning (by coordinating position lines of different shape G01S 5/12)} [2023-05]
G01S 5/0258
. . .
{by combining or switching between measurements derived from different systems} [2023-05]
G01S 5/02585
. . . .
{at least one of the measurements being a non-radio measurement} [2023-05]
G01S 5/0263
. . .
{by combining or switching between positions derived from two or more separate positioning systems} [2023-05]
G01S 5/0264
. . . .
{at least one of the systems being a non-radio wave positioning system} [2023-05]
G01S 5/0268
. . .
{by deriving positions from different combinations of signals or of estimated positions in a single positioning system} [2023-05]
G01S 5/02685
. . . .
{involving dead reckoning based on radio wave measurements} [2023-05]
G01S 5/0269
. .
{Inferred or constrained positioning, e.g. employing knowledge of the physical or electromagnetic environment, state of motion or other contextual information to infer or constrain a position} [2023-05]
G01S 5/02695
. . .
{Constraining the position to lie on a curve or surface} [2023-05]
G01S 5/0273
. .
{using multipath or indirect path propagation signals in position determination} [2013-01]
G01S 5/0278
. .
{involving statistical or probabilistic considerations (G01S 5/0252, G01S 5/0294 take precedence)} [2013-01]
G01S 5/0284
. .
{Relative positioning} [2013-01]
G01S 5/0289
. . .
{of multiple transceivers, e.g. in ad hoc networks} [2013-01]
G01S 5/0294
. .
{Trajectory determination or predictive filtering, e.g. target tracking or Kalman filtering} [2020-05]
G01S 5/0295
. .
{Proximity-based methods, e.g. position inferred from reception of particular signals} [2023-05]
G01S 5/02955
. . .
{by computing a weighted average of the positions of the signal transmitters} [2023-05]
G01S 5/04
. .
Position of source determined by a plurality of spaced direction-finders [2013-01]
G01S 5/06
. .
Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S 5/12 takes precedence) [2013-01]
G01S 5/08
. .
Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location [2013-01]
G01S 5/10
. .
Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements {, e.g. omega or decca systems}(G01S 5/12 takes precedence {; beacons and receivers cooperating therewith G01S 1/306, G01S 1/308}) [2017-08]
G01S 5/12
. .
by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial [2021-01]
G01S 5/14
. .
Determining absolute distances from a plurality of spaced points of known location [2013-01]
G01S 5/145
. . .
{Using a supplementary range measurement, e.g. based on pseudo-range measurements} [2013-01]
G01S 5/16
.
using electromagnetic waves other than radio waves [2013-01]
G01S 5/163
. .
{Determination of attitude (using inertial means G01C 9/00; control of attitude G05D 1/49)} [2024-01]
G01S 5/166
. .
{using gamma or X-rays} [2013-01]
G01S 5/18
.
using ultrasonic, sonic, or infrasonic waves [2013-01]
G01S 5/183
. .
{Emergency, distress or locator beacons} [2013-01]
G01S 5/186
. .
{Determination of attitude (using inertial means G01C 9/00; control of attitude G05D 1/49)} [2024-01]
G01S 5/20
. .
Position of source determined by a plurality of spaced direction-finders [2013-01]
G01S 5/22
. .
Position of source determined by co-ordinating a plurality of position lines defined by path-difference measurements (G01S 5/28 takes precedence) [2013-01]
G01S 5/24
. .
Position of single direction-finder fixed by determining direction of a plurality of spaced sources of known location [2013-01]
G01S 5/26
. .
Position of receiver fixed by co-ordinating a plurality of position lines defined by path-difference measurements (G01S 5/28 takes precedence) [2013-01]
G01S 5/28
. .
by co-ordinating position lines of different shape, e.g. hyperbolic, circular, elliptical or radial [2021-01]
G01S 5/30
. .
Determining absolute distances from a plurality of spaced points of known location [2013-01]
G01S 7/00
Details of systems according to groups G01S 13/00, G01S 15/00, G01S 17/00 [2020-01]
G01S 7/003
.
{Transmission of data between radar, sonar or lidar systems and remote stations} [2021-01]
G01S 7/006
. .
{using shared front-end circuitry, e.g. antennas (G01S 13/765, G01S 13/825 take precedence)} [2013-01]
G01S 7/02
.
of systems according to group G01S 13/00 [2013-01]
G01S 7/021
. .
{Auxiliary means for detecting or identifying radar signals or the like, e.g. radar jamming signals} [2021-01]
G01S 7/022
. . .
{Road traffic radar detectors} [2013-01]
G01S 7/023
. .
{Interference mitigation, e.g. reducing or avoiding non-intentional interference with other HF-transmitters, base station transmitters for mobile communication or other radar systems, e.g. using electro-magnetic interference [EMI] reduction techniques (auxiliary means for detecting or identifying radar signals or the like G01S 7/021; means for anti-jamming G01S 7/36)} [2022-08]
G01S 7/0231
. . .
{Avoidance by polarisation multiplex} [2022-08]
G01S 7/0232
. . .
{Avoidance by frequency multiplex} [2022-08]
G01S 7/0233
. . .
{Avoidance by phase multiplex} [2022-08]
G01S 7/0234
. . .
{Avoidance by code multiplex} [2022-08]
G01S 7/0235
. . .
{Avoidance by time multiplex} [2022-08]
G01S 7/0236
. . .
{Avoidance by space multiplex} [2022-08]
G01S 7/024
. .
{using polarisation effects (in waveguides H01P 1/165; for aerials H01Q, e.g. H01Q 15/22, H01Q 15/24, H01Q 19/195)} [2013-01]
G01S 7/025
. . .
{involving the transmission of linearly polarised waves} [2013-01]
G01S 7/026
. . .
{involving the transmission of elliptically or circularly polarised waves} [2013-01]
G01S 7/027
. .
{Constructional details of housings, e.g. form, type, material or ruggedness} [2021-05]
G01S 7/028
. . .
{Miniaturisation, e.g. surface mounted device [SMD] packaging or housings} [2021-05]
G01S 7/03
. .
Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver [2020-01]
G01S 7/032
. . .
{Constructional details for solid-state radar subsystems} [2013-01]
G01S 7/034
. . .
{Duplexers (switching devices for waveguides H01P 1/10; transmit-receive switching in transceivers H04B 1/44)} [2013-01]
G01S 7/036
. . . .
{involving a transfer mixer} [2021-01]
G01S 7/038
. . .
{Feedthrough nulling circuits} [2013-01]
G01S 7/04
. .
Display arrangements [2013-01]
G01S 7/043
. . .
{Synchronising the display device with the scanning of the antenna} [2013-01]
G01S 7/046
. . .
{using an intermediate storage device, e.g. a recording/reproducing device} [2021-01]
G01S 7/06
. . .
Cathode-ray tube displays {or other two dimensional or three-dimensional displays} [2021-01]
G01S 7/062
. . . .
{in which different colours are used} [2013-01]
G01S 7/064
. . . .
{using a display memory for image processing (G01S 7/298 takes precedence)} [2013-01]
G01S 7/066
. . . . .
{with means for showing the history of the radar trails, e.g. artificial remanence} [2013-01]
G01S 7/068
. . . .
{with data-rate converters preceding the display, e.g. flicker free display, constant brightness display (G01S 7/298 takes precedence)} [2017-05]
G01S 7/08
. . . .
with vernier indication of distance, e.g. using two cathode-ray tubes [2013-01]
G01S 7/10
. . . .
Providing two-dimensional and co-ordinated display of distance and direction [2020-01]
G01S 7/12
. . . . .
Plan-position indicators, i.e. P.P.I. [2013-01]
G01S 7/14
. . . . . .
Sector, off-centre, or expanded angle display [2013-01]
G01S 7/16
. . . . .
Signals displayed as intensity modulation with rectangular co-ordinates representing distance and bearing, e.g. type B [2013-01]
G01S 7/18
. . . . .
Distance-height displays; Distance-elevation displays, e.g. type RHI, type E [2013-01]
G01S 7/20
. . . .
Stereoscopic displays; Three-dimensional displays; Pseudo-three-dimensional displays [2020-01]
G01S 7/22
. . . .
Producing cursor lines and indicia by electronic means [2020-01]
G01S 7/24
. . . .
the display being orientated or displaced in accordance with movement of object carrying the transmitting and receiving apparatus, e.g. true-motion radar [2013-01]
G01S 7/28
. .
Details of pulse systems [2013-01]
G01S 7/2806
. . .
{Employing storage or delay devices which preserve the pulse form of the echo signal, e.g. for comparing and combining echoes received during different periods} [2013-01]
G01S 7/2813
. . .
{Means providing a modification of the radiation pattern for cancelling noise, clutter or interfering signals, e.g. side lobe suppression, side lobe blanking, null-steering arrays (specially adapted to secondary radar systems G01S 13/762; aerials or aerials systems H01Q 21/29, H01Q 25/00)} [2013-01]
G01S 7/282
. . .
Transmitters [2013-01]
G01S 7/285
. . .
Receivers [2013-01]
G01S 7/288
. . . .
Coherent receivers [2013-01]
G01S 7/2883
. . . . .
{using FFT processing} [2021-05]
G01S 7/2886
. . . . .
{using I/Q processing} [2021-05]
G01S 7/292
. . . .
Extracting wanted echo-signals [2020-01]
G01S 7/2921
. . . . .
{based on data belonging to one radar period} [2013-01]
G01S 7/2922
. . . . . .
{by using a controlled threshold} [2013-01]
G01S 7/2923
. . . . .
{based on data belonging to a number of consecutive radar periods} [2013-01]
G01S 7/2925
. . . . . .
{by using shape of radiation pattern} [2013-01]
G01S 7/2926
. . . . . .
{by integration} [2013-01]
G01S 7/2927
. . . . . .
{by deriving and controlling a threshold value} [2013-01]
G01S 7/2928
. . . . . .
{Random or non-synchronous interference pulse cancellers} [2013-01]
G01S 7/295
. . . .
Means for transforming co-ordinates or for evaluating data, e.g. using computers [2013-01]
G01S 7/2955
. . . . .
{Means for determining the position of the radar coordinate system for evaluating the position data of the target in another coordinate system (G01S 7/24 takes precedence; sighting devices adapted for indirect laying of fire F41G 3/16; inertial navigation G01C 21/16)} [2017-08]
G01S 7/298
. . . . .
Scan converters [2013-01]
G01S 7/32
. . . .
Shaping echo pulse signals; Deriving non-pulse signals from echo pulse signals [2013-01]
G01S 7/34
. . . .
Gain of receiver varied automatically during pulse-recurrence period, e.g. anti-clutter gain control [2013-01]
G01S 7/35
. .
Details of non-pulse systems [2013-01]
G01S 7/352
. . .
{Receivers} [2013-01]
G01S 7/354
. . . .
{Extracting wanted echo-signals (Doppler systems G01S 13/50)} [2013-01]
G01S 7/356
. . . .
{involving particularities of FFT processing} [2021-05]
G01S 7/358
. . . .
{using I/Q processing} [2021-05]
G01S 7/36
. .
Means for anti-jamming {, e.g. ECCM, i.e. electronic counter-counter measures} [2021-01]
G01S 7/38
. .
Jamming means, e.g. producing false echoes [2021-01]
G01S 7/40
. .
Means for monitoring or calibrating [2013-01]
G01S 7/4004
. . .
{of parts of a radar system} [2021-01]
G01S 7/4008
. . . .
{of transmitters} [2013-01]
G01S 7/4013
. . . . .
{involving adjustment of the transmitted power} [2021-05]
G01S 7/4017
. . . .
{of HF systems} [2013-01]
G01S 7/4021
. . . .
{of receivers} [2013-01]
G01S 7/4026
. . . .
{Antenna boresight} [2013-01]
G01S 7/403
. . . . .
{in azimuth, i.e. in the horizontal plane} [2021-05]
G01S 7/4034
. . . . .
{in elevation, i.e. in the vertical plane} [2021-05]
G01S 7/4039
. . . .
{of sensor or antenna obstruction, e.g. dirt- or ice-coating} [2021-05]
G01S 7/4043
. . . . .
{including means to prevent or remove the obstruction} [2021-05]
G01S 7/4047
. . . . . .
{Heated dielectric lens, e.g. by heated wire} [2021-05]
G01S 7/4052
. . .
{by simulation of echoes} [2021-01]
G01S 7/4056
. . . .
{specially adapted to FMCW} [2013-01]
G01S 7/406
. . . .
{using internally generated reference signals, e.g. via delay line, via RF or IF signal injection or via integrated reference reflector or transponder} [2021-05]
G01S 7/4065
. . . . .
{involving a delay line} [2021-05]
G01S 7/4069
. . . . .
{involving a RF signal injection} [2021-05]
G01S 7/4073
. . . . .
{involving an IF signal injection} [2021-05]
G01S 7/4078
. . . . .
{involving an integrated reference reflector or reference transponder} [2021-05]
G01S 7/4082
. . . .
{using externally generated reference signals, e.g. via remote reflector or transponder} [2021-05]
G01S 7/4086
. . . . .
{in a calibrating environment, e.g. anechoic chamber} [2021-05]
G01S 7/4091
. . . . .
{during normal radar operation} [2021-05]
G01S 7/4095
. . . . .
{the external reference signals being modulated, e.g. rotating a dihedral reflector or modulating a transponder for simulation of a Doppler echo} [2021-05]
G01S 7/41
. .
using analysis of echo signal for target characterisation; Target signature; Target cross-section [2013-01]
G01S 7/411
. . .
{Identification of targets based on measurements of radar reflectivity (G01S 7/415 takes precedence)} [2013-01]
G01S 7/412
. . . .
{based on a comparison between measured values and known or stored values} [2013-01]
G01S 7/414
. . .
{Discriminating targets with respect to background clutter} [2013-01]
G01S 7/415
. . .
{Identification of targets based on measurements of movement associated with the target} [2013-01]
G01S 7/417
. . .
{involving the use of neural networks} [2013-01]
G01S 7/418
. . .
{Theoretical aspects} [2013-01]
G01S 7/42
. .
Diversity systems specially adapted for radar [2013-01]
G01S 7/48
.
of systems according to group G01S 17/00 [2013-01]
G01S 7/4802
. .
{using analysis of echo signal for target characterisation; Target signature; Target cross-section} [2013-01]
G01S 7/4804
. .
{Auxiliary means for detecting or identifying lidar signals or the like, e.g. laser illuminators} [2013-01]
G01S 7/4806
. . .
{Road traffic laser detectors} [2013-01]
G01S 7/4808
. .
{Evaluating distance, position or velocity data} [2013-01]
G01S 7/481
. .
Constructional features, e.g. arrangements of optical elements [2013-01]
G01S 7/4811
. . .
{common to transmitter and receiver} [2013-01]
G01S 7/4812
. . . .
{transmitted and received beams following a coaxial path} [2013-01]
G01S 7/4813
. . . .
{Housing arrangements} [2013-01]
G01S 7/4814
. . .
{of transmitters alone} [2013-01]
G01S 7/4815
. . . .
{using multiple transmitters} [2013-01]
G01S 7/4816
. . .
{of receivers alone} [2013-01]
G01S 7/4817
. . .
{relating to scanning} [2013-01]
G01S 7/4818
. . .
{using optical fibres} [2013-01]
G01S 7/483
. .
Details of pulse systems [2013-01]
G01S 7/484
. . .
Transmitters [2013-01]
G01S 7/486
. . .
Receivers [2013-01]
G01S 7/4861
. . . .
Circuits for detection, sampling, integration or read-out [2020-01]
G01S 7/4863
. . . . .
Detector arrays, e.g. charge-transfer gates [2020-01]
G01S 7/4865
. . . .
Time delay measurement, e.g. time-of-flight measurement, time of arrival measurement or determining the exact position of a peak (peak detection in noise, signal conditioning G01S 7/487) [2020-01]
G01S 7/4866
. . . . .
{by fitting a model or function to the received signal} [2020-01]
G01S 7/4868
. . . .
{Controlling received signal intensity or exposure of sensor} [2013-01]
G01S 7/487
. . . .
Extracting wanted echo signals {, e.g. pulse detection} [2017-08]
G01S 7/4873
. . . . .
{by deriving and controlling a threshold value} [2013-01]
G01S 7/4876
. . . . .
{by removing unwanted signals (G01S 7/495 takes precedence)} [2013-01]
G01S 7/489
. . . .
Gain of receiver varied automatically during pulse-recurrence period [2013-01]
G01S 7/491
. .
Details of non-pulse systems [2013-01]
G01S 7/4911
. . .
Transmitters [2020-01]
G01S 7/4912
. . .
Receivers [2020-01]
G01S 7/4913
. . . .
Circuits for detection, sampling, integration or read-out [2020-01]
G01S 7/4914
. . . . .
of detector arrays, e.g. charge-transfer gates [2020-01]
G01S 7/4915
. . . .
Time delay measurement, e.g. operational details for pixel components (signal extraction and conditioning G01S 7/493); Phase measurement [2020-01]
G01S 7/4916
. . . .
{using self-mixing in the laser cavity} [2020-01]
G01S 7/4917
. . . .
{superposing optical signals in a photodetector, e.g. optical heterodyne detection} [2020-01]
G01S 7/4918
. . . .
{Controlling received signal intensity, gain or exposure of sensor} [2020-01]
G01S 7/493
. . .
Extracting wanted echo signals [2013-01]
G01S 7/495
. .
Counter-measures or counter-counter-measures {using electronic or electro-optical means} [2013-01]
G01S 7/497
. .
Means for monitoring or calibrating [2013-01]
G01S 7/4972
. . .
{Alignment of sensor} [2013-01]
G01S 2007/4975
. . .
{of sensor obstruction by, e.g. dirt- or ice-coating, e.g. by reflection measurement on front-screen} [2016-08]
G01S 2007/4977
. . . .
{including means to prevent or remove the obstruction} [2013-01]
G01S 7/499
. .
using polarisation effects [2020-01]
G01S 7/51
. .
Display arrangements [2013-01]
G01S 7/52
.
of systems according to group G01S 15/00 [2013-01]
G01S 7/52001
. .
{Auxiliary means for detecting or identifying sonar signals or the like, e.g. sonar jamming signals} [2021-01]
G01S 7/52003
. .
{Techniques for enhancing spatial resolution of targets (G01S 7/52046 takes precedence)} [2021-01]
G01S 7/52004
. .
{Means for monitoring or calibrating (short-range imaging G01S 7/5205)} [2013-01]
G01S 7/52006
. . .
{with provision for compensating the effects of temperature} [2013-01]
G01S 2007/52007
. . .
{involving adjustment of transmitted power} [2013-01]
G01S 2007/52009
. . .
{of sensor obstruction, e.g. dirt- or ice-coating} [2013-01]
G01S 2007/52011
. . . .
{including means to prevent or remove the obstruction} [2013-01]
G01S 2007/52012
. . .
{involving a reference ground return} [2013-01]
G01S 2007/52014
. . .
{involving a reference reflector integrated in the sensor or transducer configuration} [2013-01]
G01S 7/52015
. .
{Diversity systems} [2013-01]
G01S 7/52017
. .
{particularly adapted to short-range imaging (G01S 7/53 takes precedence)} [2013-01]
G01S 7/52019
. . .
{Details of transmitters} [2013-01]
G01S 7/5202
. . . .
{for pulse systems} [2013-01]
G01S 7/52022
. . . . .
{using a sequence of pulses, at least one pulse manipulating the transmissivity or reflexivity of the medium} [2013-01]
G01S 7/52023
. . .
{Details of receivers} [2013-01]
G01S 7/52025
. . . .
{for pulse systems (G01S 7/52034 takes precedence)} [2013-01]
G01S 7/52026
. . . . .
{Extracting wanted echo signals (Doppler systems G01S 15/50; Doppler short range imaging systems G01S 15/8979)} [2013-01]
G01S 7/52028
. . . . . .
{using digital techniques} [2013-01]
G01S 7/5203
. . . .
{for non-pulse systems, e.g. CW systems (G01S 7/52034 takes precedence)} [2013-01]
G01S 7/52031
. . . . .
{Extracting wanted echo signals} [2013-01]
G01S 7/52033
. . . .
{Gain control of receivers (for seismic signals G01V 1/245)} [2013-01]
G01S 7/52034
. . . .
{Data rate converters} [2013-01]
G01S 7/52036
. . . .
{using analysis of echo signal for target characterisation} [2013-01]
G01S 7/52038
. . . . .
{involving non-linear properties of the propagation medium or of the reflective target} [2013-01]
G01S 7/52039
. . . . . .
{exploiting the non-linear response of a contrast enhancer, e.g. a contrast agent (diagnostic techniques involving the use of contrast agents A61B 8/481)} [2016-08]
G01S 7/52041
. . . . . .
{detecting modification of a contrast enhancer, e.g. detecting the destruction of a contrast agent by an acoustic wave, e.g. loss of correlation (diagnostic techniques involving the use of contrast agents A61B 8/481)} [2013-01]
G01S 7/52042
. . . . .
{determining elastic properties of the propagation medium or of the reflective target (diagnostic techniques involving the measurement of strain A61B 8/485)} [2013-01]
G01S 7/52044
. . . .
{Scan converters} [2013-01]
G01S 7/52046
. . .
{Techniques for image enhancement involving transmitter or receiver (image enhancement by image data processing G06T 5/00)} [2013-01]
G01S 7/52047
. . . .
{for elimination of side lobes or of grating lobes; for increasing resolving power} [2021-01]
G01S 7/52049
. . . .
{using correction of medium-induced phase aberration} [2013-01]
G01S 7/5205
. . .
{Means for monitoring or calibrating} [2013-01]
G01S 7/52052
. . . .
{with simulation of echoes} [2013-01]
G01S 7/52053
. . .
{Display arrangements} [2013-01]
G01S 7/52055
. . . .
{in association with ancillary recording equipment} [2013-01]
G01S 7/52057
. . . .
{Cathode ray tube displays} [2021-01]
G01S 7/52058
. . . . .
{displaying one measured variable; A-scan display} [2013-01]
G01S 7/5206
. . . . .
{Two-dimensional coordinated display of distance and direction; B-scan display} [2013-01]
G01S 7/52061
. . . . . .
{Plan position indication (PPI display); C-scan display} [2013-01]
G01S 7/52063
. . . . . .
{Sector scan display} [2013-01]
G01S 7/52065
. . . . . .
{Compound scan display, e.g. panoramic imaging} [2013-01]
G01S 7/52066
. . . . . .
{Time-position or time-motion displays} [2013-01]
G01S 7/52068
. . . . .
{Stereoscopic displays; Three-dimensional displays; Pseudo 3D displays (G01S 15/8993 takes precedence)} [2013-01]
G01S 7/52069
. . . . . .
{Grey-scale displays} [2013-01]
G01S 7/52071
. . . . .
{Multicolour displays; using colour coding; Optimising colour or information content in displays, e.g. parametric imaging} [2013-01]
G01S 7/52073
. . . . .
{Production of cursor lines, markers or indicia by electronic means} [2013-01]
G01S 7/52074
. . . . .
{Composite displays, e.g. split-screen displays; Combination of multiple images or of images and alphanumeric tabular information} [2013-01]
G01S 7/52076
. . .
{Luminous indicators} [2013-01]
G01S 7/52077
. . .
{with means for elimination of unwanted signals, e.g. noise or interference} [2013-01]
G01S 7/52079
. . .
{Constructional features (constructional features of transducers B06B; mounting transducers G10K 11/00; constructional features of ultrasonic medical diagnostic devices A61B 8/44)} [2013-01]
G01S 7/5208
. . . .
{with integration of processing functions inside probe or scanhead} [2013-01]
G01S 7/52082
. . . .
{involving a modular construction, e.g. a computer with short range imaging equipment (modular ultrasonic medical diagnostic devices A61B 8/4411)} [2013-01]
G01S 7/52084
. . . .
{related to particular user interfaces (special user input means for ultrasonic medical diagnostic devices A61B 8/467)} [2013-01]
G01S 7/52085
. . .
{Details related to the ultrasound signal acquisition, e.g. scan sequences (control of medical diagnostic ultrasound devices A61B 8/54)} [2013-01]
G01S 7/52087
. . . .
{using synchronization techniques (control of medical diagnostic ultrasound devices involving acquisition triggered by a physiological signal A61B 8/543)} [2013-01]
G01S 7/52088
. . . . .
{involving retrospective scan line rearrangements (medical diagnostic ultrasound devices involving retrospective matching to a physiological signal A61B 8/5284)} [2013-01]
G01S 7/5209
. . . .
{using multibeam transmission} [2013-01]
G01S 7/52092
. . . . .
{using frequency diversity} [2013-01]
G01S 7/52093
. . . . .
{using coded signals (G01S 15/8959 takes precedence)} [2013-01]
G01S 7/52095
. . . .
{using multiline receive beamforming} [2013-01]
G01S 7/52096
. . .
{related to power management, e.g. saving power or prolonging life of electronic components (details of power supplies for ultrasonic medical diagnostic imaging devices A61B 8/56)} [2013-01]
G01S 7/52098
. . .
{related to workflow protocols} [2013-01]
G01S 7/521
. .
Constructional features [2021-01]
G01S 7/523
. .
Details of pulse systems {(short-range imaging G01S 7/52017; methods or devices for transmitting, conducting or directing sound G10K 11/18)} [2013-01]
G01S 7/524
. . .
Transmitters [2013-01]
G01S 7/526
. . .
Receivers [2013-01]
G01S 7/527
. . . .
Extracting wanted echo signals {(Doppler systems G01S 15/50)} [2013-01]
G01S 7/5273
. . . . .
{using digital techniques} [2013-01]
G01S 7/5276
. . . . .
{using analogue techniques} [2013-01]
G01S 7/529
. . . .
Gain of receiver varied automatically during pulse-recurrence period {(for seismic signals G01V 1/245)} [2013-01]
G01S 7/53
. . . .
Means for transforming coordinates or for evaluating data, e.g. using computers [2013-01]
G01S 7/531
. . . . .
Scan converters [2013-01]
G01S 7/533
. . . . .
Data rate converters [2013-01]
G01S 7/534
. .
Details of non-pulse systems {(short-range imaging G01S 7/52017)} [2013-01]
G01S 7/5345
. . .
{Gain control of receivers (for seismic signals G01V 1/245)} [2013-01]
G01S 7/536
. . .
Extracting wanted echo signals [2013-01]
G01S 7/537
. .
Counter-measures or counter-counter-measures, e.g. jamming, anti-jamming [2021-01]
G01S 7/539
. .
using analysis of echo signal for target characterisation; Target signature; Target cross-section [2013-01]
G01S 7/54
. .
with receivers spaced apart [2013-01]
G01S 7/56
. .
Display arrangements {(short-range imaging G01S 7/52053)} [2013-01]
G01S 7/58
. . .
for providing variable ranges [2013-01]
G01S 7/60
. . .
for providing a permanent recording [2013-01]
G01S 7/62
. . .
Cathode-ray tube displays [2021-01]
G01S 7/6209
. . . .
{providing display of one measured variable} [2013-01]
G01S 7/6218
. . . .
{providing two-dimensional coordinated display of distance and direction} [2013-01]
G01S 7/6227
. . . . .
{Plan-position indicators, i.e. P.P.I.} [2013-01]
G01S 7/6236
. . . . .
{Sector-scan displays} [2013-01]
G01S 7/6245
. . . .
{Stereoscopic displays; Three-dimensional displays; Pseudo-three dimensional displays} [2013-01]
G01S 7/6254
. . . . .
{Grey-scale displays} [2013-01]
G01S 7/6263
. . . .
{in which different colours are used} [2013-01]
G01S 7/6272
. . . .
{producing cursor lines and indicia by electronic means} [2013-01]
G01S 7/6281
. . . .
{Composite displays, e.g. split-screen, multiple images} [2013-01]
G01S 7/629
. . . .
{the display being oriented or displaced in accordance with the movement of object carrying the transmitting and receiving apparatus} [2013-01]
G01S 7/64
. .
Luminous indications (G01S 7/62 takes precedence {; short-range imaging G01S 7/52076}) [2014-02]
G01S 11/00
Systems for determining distance or velocity not using reflection or reradiation (position-fixing by co-ordinating two or more distance determinations G01S 5/00) [2021-01]
G01S 11/02
.
using radio waves (G01S 19/00 takes precedence) [2013-01]
G01S 11/023
. .
{using impedance elements varying with distance} [2013-01]
G01S 11/026
. .
{using moving transmitters} [2013-01]
G01S 11/04
. .
using angle measurements [2013-01]
G01S 11/06
. .
using intensity measurements [2013-01]
G01S 11/08
. .
using synchronised clocks [2021-01]
G01S 11/10
. .
using Doppler effect [2013-01]
G01S 11/12
.
using electromagnetic waves other than radio waves [2013-01]
G01S 11/125
. .
{using gamma or X-rays} [2013-01]
G01S 11/14
.
using ultrasonic, sonic, or infrasonic waves [2013-01]
G01S 11/16
.
using difference in transit time between electrical and acoustic signals [2013-01]
G01S 13/00
Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified [2020-01]
NOTES

  • This group covers :
    • systems for detecting the presence of an object, e.g. by reflection or reradiation from the object itself, or from a transponder associated with the object, for determining the distance or relative velocity of an object, for providing a co-ordinated display of the distance and direction of an object or for obtaining an image thereof;
    • systems arranged for mounting on a moving craft or vehicle and using the reflection of waves from an extended surface external to the craft, e.g. the surface of the earth, to determine the velocity and direction of motion of the craft relative to the surface.
  • This group does not cover :
    • systems for determining the direction of an object by means not employing reflection or reradiation, which are covered by groups G01S 1/00 or G01S 3/00;
    • systems for determining distance or velocity of an object by means not employing reflection or reradiation, which are covered by group G01S 11/00.
G01S 13/003
.
{Bistatic radar systems; Multistatic radar systems} [2013-01]
G01S 13/006
.
{Theoretical aspects (G01S 7/418, G01S 13/9094, G01S 13/958 take precedence)} [2013-01]
G01S 13/02
.
Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems [2013-01]
G01S 13/0209
. .
{Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband} [2013-01]
G01S 13/0218
. .
{Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems (for meteorological use G01S 13/95)} [2013-01]
G01S 2013/0227
. . .
{OTH, Over-The-Horizon radar} [2013-01]
G01S 2013/0236
. .
{Special technical features} [2013-01]
G01S 2013/0245
. . .
{Radar with phased array antenna} [2013-01]
G01S 2013/0254
. . . .
{Active array antenna} [2013-01]
G01S 2013/0263
. . . .
{Passive array antenna} [2013-01]
G01S 2013/0272
. . .
{Multifunction radar} [2013-01]
G01S 2013/0281
. . .
{LPI, Low Probability of Intercept radar} [2013-01]
G01S 2013/029
. . .
{Antistealth radar} [2013-01]
G01S 13/04
. .
Systems determining presence of a target (based on relative movement of target G01S 13/56) [2021-01]
G01S 13/06
. .
Systems determining position data of a target [2013-01]
G01S 13/08
. . .
Systems for measuring distance only (indirect measurement G01S 13/46) [2013-01]
G01S 13/10
. . . .
using transmission of interrupted, pulse modulated waves (determination of distance by phase measurement G01S 13/32) [2021-01]
G01S 13/103
. . . . .
{particularities of the measurement of the distance (G01S 13/12, G01S 13/14, G01S 13/16, G01S 13/18 and G01S 13/20 take precedence)} [2013-01]
G01S 13/106
. . . . .
{using transmission of pulses having some particular characteristics (G01S 13/12, G01S 13/22, G01S 13/24, G01S 13/26, G01S 13/28 and G01S 13/30 take precedence)} [2013-01]
G01S 13/12
. . . . .
wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse [2013-01]
G01S 13/14
. . . . .
wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception [2013-01]
G01S 13/16
. . . . . .
using counters [2013-01]
G01S 13/18
. . . . .
wherein range gates are used [2013-01]
G01S 13/20
. . . . .
whereby multiple time-around echoes are used or eliminated [2013-01]
G01S 13/22
. . . . .
using irregular pulse repetition frequency {(G01S 13/12 takes precedence)} [2013-01]
G01S 13/222
. . . . . .
{using random or pseudorandom pulse repetition frequency} [2013-01]
G01S 13/225
. . . . . .
{with cyclic repetition of a non-uniform pulse sequence, e.g. staggered PRF} [2013-01]
G01S 13/227
. . . . . .
{with repetitive trains of uniform pulse sequences, each sequence having a different pulse repetition frequency} [2013-01]
G01S 13/24
. . . . .
using frequency agility of carrier wave [2013-01]
G01S 13/26
. . . . .
wherein the transmitted pulses use a frequency- or phase-modulated carrier wave [2013-01]
G01S 13/28
. . . . . .
with time compression of received pulses [2013-01]
G01S 13/282
. . . . . . .
{using a frequency modulated carrier wave (G01S 13/286 takes precedence)} [2013-01]
G01S 13/284
. . . . . . .
{using coded pulses} [2013-01]
G01S 13/286
. . . . . . . .
{frequency shift keyed} [2013-01]
G01S 13/288
. . . . . . . .
{phase modulated} [2013-01]
G01S 13/30
. . . . .
using more than one pulse per radar period [2013-01]
G01S 13/32
. . . .
using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated [2021-01]
G01S 13/325
. . . . .
{using transmission of coded signals, e.g. P.S.K. signals} [2013-01]
G01S 13/34
. . . . .
using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal [2021-01]
G01S 13/341
. . . . . .
{wherein the rate of change of the transmitted frequency is adjusted to give a beat of predetermined constant frequency, e.g. by adjusting the amplitude or frequency of the frequency-modulating signal} [2013-01]
G01S 13/342
. . . . . .
{using sinusoidal modulation} [2013-01]
G01S 13/343
. . . . . .
{using sawtooth modulation} [2013-01]
G01S 13/345
. . . . . .
{using triangular modulation} [2013-01]
G01S 13/346
. . . . . .
{using noise modulation} [2013-01]
G01S 13/347
. . . . . .
{using more than one modulation frequency} [2013-01]
G01S 13/348
. . . . . .
{using square or rectangular modulation, e.g. diplex radar for ranging over short distances} [2013-01]
G01S 13/36
. . . . .
with phase comparison between the received signal and the contemporaneously transmitted signal [2013-01]
G01S 13/38
. . . . . .
wherein more than one modulation frequency is used [2013-01]
G01S 13/40
. . . . . .
wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship [2013-01]
G01S 13/42
. . .
Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S 13/46) [2013-01]
G01S 13/422
. . . .
{sequential lobing, e.g. conical scan} [2016-08]
G01S 13/424
. . . .
{Stacked beam radar} [2013-01]
G01S 13/426
. . . .
{Scanning radar, e.g. 3D radar (G01S 13/66 takes precedence)} [2013-01]
G01S 13/428
. . . . .
{within the pulse scanning systems} [2013-01]
G01S 13/44
. . . .
Monopulse radar, i.e. simultaneous lobing [2013-01]
G01S 13/4409
. . . . .
{HF sub-systems particularly adapted therefor, e.g. circuits for signal combination (multi-lobing aerials or aerial systems H01Q 25/00)} [2013-01]
G01S 13/4418
. . . . .
{with means for eliminating radar-dependent errors in angle measurements, e.g. multipath effects} [2013-01]
G01S 13/4427
. . . . .
{with means for eliminating the target-dependent errors in angle measurements, e.g. glint, scintillation effects} [2013-01]
G01S 13/4436
. . . . .
{with means specially adapted to maintain the same processing characteristics between the monopulse signals} [2013-01]
G01S 13/4445
. . . . .
{amplitude comparisons monopulse, i.e. comparing the echo signals received by an antenna arrangement with overlapping squinted beams} [2013-01]
G01S 13/4454
. . . . .
{phase comparisons monopulse, i.e. comparing the echo signals received by an interferometric antenna arrangement} [2013-01]
G01S 13/4463
. . . . .
{using phased arrays} [2013-01]
G01S 13/4472
. . . . .
{with means specially adapted to airborne monopulse systems (clutter elimination using Doppler effect: G01S 13/449)} [2013-01]
G01S 13/4481
. . . . .
{Monopulse hybrid systems, e.g. conopulse} [2013-01]
G01S 13/449
. . . . .
{Combined with MTI or Doppler processing circuits} [2013-01]
G01S 13/46
. . .
Indirect determination of position data [2013-01]
G01S 2013/462
. . . .
{using multipath signals} [2013-01]
G01S 2013/464
. . . . .
{using only the non-line-of-sight signal(s), e.g. to enable survey of scene 'behind' the target only the indirect signal is evaluated} [2016-08]
G01S 2013/466
. . . .
{by Trilateration, i.e. two antennas or two sensors determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the antennas or sensors, the position data of the target is determined} [2013-01]
G01S 2013/468
. . . .
{by Triangulation, i.e. two antennas or two sensors determine separately the bearing, direction or angle to a target, whereby with the knowledge of the baseline length, the position data of the target is determined} [2013-01]
G01S 13/48
. . . .
using multiple beams at emission or reception [2013-01]
G01S 13/50
. .
Systems of measurement based on relative movement of target [2013-01]
G01S 13/505
. . .
{using Doppler effect for determining closest range to a target or corresponding time, e.g. miss-distance indicator} [2021-01]
G01S 13/52
. . .
Discriminating between fixed and moving objects or between objects moving at different speeds [2021-01]
G01S 13/522
. . . .
using transmissions of interrupted pulse modulated waves [2013-01]
G01S 13/524
. . . . .
based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi [2021-01]
G01S 13/5242
. . . . . .
{with means for platform motion or scan motion compensation, e.g. airborne MTI} [2013-01]
G01S 13/5244
. . . . . .
{Adaptive clutter cancellation (specially adapted for airborne MTI, G01S 13/5242)} [2013-01]
G01S 13/5246
. . . . . .
{post processors for coherent MTI discriminators, e.g. residue cancellers, CFAR after Doppler filters} [2013-01]
G01S 13/5248
. . . . . .
{combining a coherent MTI processor with a zero Doppler processing channel and a clutter mapped memory, e.g. MTD (Moving target detector), (area MTI G01S 13/538)} [2013-01]
G01S 13/526
. . . . . .
performing filtering on the whole spectrum without loss of range information, e.g. using delay line cancellers or comb filters {(G01S 13/5244 takes precedence)} [2017-08]
G01S 13/5265
. . . . . . .
{IF cancellers, e.g. TACCAR systems} [2013-01]
G01S 13/528
. . . . . . .
with elimination of blind speeds [2013-01]
G01S 13/53
. . . . . .
performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar {(G01S 13/5244 takes precedence)} [2013-01]
G01S 13/532
. . . . . . .
using a bank of range gates or a memory matrix [2013-01]
G01S 13/534
. . . . . .
based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal, e.g. non coherent MTi, clutter referenced MTi, externally coherent MTi [2017-08]
G01S 13/536
. . . .
using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves [2013-01]
G01S 13/538
. . . .
eliminating objects that have not moved between successive antenna scans, e.g. area MTi [2017-08]
G01S 13/56
. . . .
for presence detection {(presence detection using near field arrangements G01V 3/00, e.g. G01V 3/08, G01V 3/12; burglar, theft or intruder alarms with electrical actuation G08B 13/22 - G08B 13/26)} [2013-01]
G01S 13/58
. . .
Velocity or trajectory determination systems; Sense-of-movement determination systems [2021-01]
G01S 13/581
. . . .
{using transmission of interrupted pulse modulated waves and based upon the Doppler effect resulting from movement of targets} [2013-01]
G01S 13/582
. . . . .
{adapted for simultaneous range and velocity measurements} [2013-01]
G01S 13/583
. . . .
{using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets} [2013-01]
G01S 13/584
. . . . .
{adapted for simultaneous range and velocity measurements} [2013-01]
G01S 13/585
. . . .
{processing the video signal in order to evaluate or display the velocity value} [2013-01]
G01S 13/586
. . . . .
{using, or combined with, frequency tracking means} [2013-01]
G01S 13/587
. . . . .
{using optical means} [2021-01]
G01S 13/588
. . . .
{deriving the velocity value from the range measurement} [2013-01]
G01S 13/589
. . . .
{measuring the velocity vector} [2013-01]
G01S 13/60
. . . .
wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track (G01S 13/64 takes precedence) [2013-01]
G01S 13/605
. . . . .
{using a pattern, backscattered from the ground, to determine speed or drift by measuring the time required to cover a fixed distance} [2013-01]
G01S 13/62
. . . .
Sense-of-movement determination {(G01S 13/589 takes precedence)} [2013-01]
G01S 13/64
. . . .
Velocity measuring systems using range gates [2013-01]
G01S 13/66
.
Radar-tracking systems; Analogous systems [2021-01]
G01S 13/68
. .
for angle tracking only [2013-01]
G01S 13/685
. . .
{using simultaneous lobing techniques} [2013-01]
G01S 13/70
. .
for range tracking only [2013-01]
G01S 13/72
. .
for two-dimensional tracking, e.g. combination of angle and range tracking, track-while-scan radar [2013-01]
G01S 13/723
. . .
{by using numerical data} [2013-01]
G01S 13/726
. . . .
{Multiple target tracking} [2013-01]
G01S 13/74
.
Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems [2013-01]
G01S 13/75
. .
using transponders powered from received waves, e.g. using passive transponders {, or using passive reflectors} [2017-08]
G01S 13/751
. . .
{wherein the responder or reflector radiates a coded signal} [2013-01]
G01S 13/753
. . . .
{using frequency selective elements, e.g. resonator} [2013-01]
G01S 13/755
. . . .
{using delay lines, e.g. acoustic delay lines} [2013-01]
G01S 13/756
. . . .
{using a signal generator for modifying the reflectivity of the reflector (G01S 13/758 takes precedence)} [2013-01]
G01S 13/758
. . . .
{using a signal generator powered by the interrogation signal} [2013-01]
G01S 13/76
. .
wherein pulse-type signals are transmitted [2013-01]
G01S 13/762
. . .
{with special measures concerning the radiation pattern, e.g. S.L.S. (aerials or aerial systems providing at least two radiation patterns, e.g. providing sum and difference patterns, H01Q 25/00)} [2016-08]
G01S 13/765
. . .
{with exchange of information between interrogator and responder} [2013-01]
G01S 13/767
. . .
{Responders; Transponders (teaching or practice apparatus for gun-aiming or gun-laying using reflecting targets or active targets F41G 3/26)} [2013-01]
G01S 13/78
. . .
discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe (G01S 13/75, G01S 13/79 take precedence) [2021-01]
G01S 13/781
. . . .
{Secondary Surveillance Radar [SSR] in general} [2013-01]
G01S 13/782
. . . . .
{using multimoding or selective addressing} [2013-01]
G01S 13/784
. . . . .
{Coders or decoders therefor; Degarbling systems; Defruiting systems} [2013-01]
G01S 13/785
. . . .
{Distance Measuring Equipment [DME] systems} [2013-01]
G01S 13/787
. . . . .
{co-operating with direction defining beacons} [2013-01]
G01S 13/788
. . . . .
{Coders or decoders therefor; Special detection circuits} [2013-01]
G01S 13/79
. .
Systems using random coded signals or random pulse repetition frequencies {, e.g. "Separation and Control of Aircraft using Non synchronous Techniques" [SECANT]} [2021-01]
G01S 13/82
. .
wherein continuous-type signals are transmitted [2013-01]
G01S 13/825
. . .
{with exchange of information between interrogator and responder} [2013-01]
G01S 13/84
. . .
for distance determination by phase measurement [2013-01]
G01S 13/86
.
Combinations of radar systems with non-radar systems, e.g. sonar, direction finder [2021-01]
G01S 13/862
. .
{Combination of radar systems with sonar systems} [2013-01]
G01S 13/865
. .
{Combination of radar systems with lidar systems} [2013-01]
G01S 13/867
. .
{Combination of radar systems with cameras} [2013-01]
G01S 13/87
.
Combinations of radar systems, e.g. primary radar and secondary radar [2013-01]
G01S 13/872
. .
{Combinations of primary radar and secondary radar} [2013-01]
G01S 13/874
. .
{Combination of several systems for attitude determination (in general G01C, control of attitude G05D 1/49)} [2024-01]
G01S 13/876
. .
{Combination of several spaced transponders or reflectors of known location for determining the position of a receiver (G01S 13/874 takes precedence)} [2013-01]
G01S 13/878
. .
{Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector (G01S 13/874 takes precedence)} [2013-01]
G01S 13/88
.
Radar or analogous systems specially adapted for specific applications (electromagnetic prospecting or detecting of objects, e.g. near-field detection, G01V 3/00) [2013-01]
G01S 13/881
. .
{for robotics} [2013-01]
G01S 13/882
. .
{for altimeters (measuring height using barometric means G01C 5/06)} [2013-01]
G01S 13/883
. .
{for missile homing, autodirectors (missile guidance systems F41G 7/22)} [2013-01]
G01S 13/885
. .
{for ground probing (prospecting or detecting using electromagnetic waves G01V 3/12)} [2013-01]
G01S 13/886
. .
{for alarm systems (alarms with electrical actuation G08B 13/22)} [2013-01]
G01S 13/887
. .
{for detection of concealed objects, e.g. contraband or weapons} [2013-01]
G01S 13/888
. . .
{through wall detection} [2013-01]
G01S 13/89
. .
for mapping or imaging [2022-01]
G01S 13/895
. . .
{Side looking radar [SLR]} [2022-01]
G01S 13/90
. . .
using synthetic aperture techniques {, e.g. synthetic aperture radar [SAR] techniques} [2022-01]
G01S 13/9004
. . . .
{SAR image acquisition techniques} [2022-01]
G01S 13/9005
. . . . .
{with optical processing of the SAR signals} [2019-05]
G01S 13/9011
. . . . .
{with frequency domain processing of the SAR signals in azimuth (G01S 13/9005 takes precedence)} [2019-05]
G01S 13/9017
. . . . .
{with time domain processing of the SAR signals in azimuth (G01S 13/9005 takes precedence)} [2019-05]
G01S 13/9019
. . . . .
{Auto-focussing of the SAR signals} [2022-01]
G01S 13/9021
. . . .
{SAR image post-processing techniques} [2022-01]
G01S 13/9023
. . . . .
{combined with interferometric techniques} [2022-01]
G01S 13/9027
. . . . .
{Pattern recognition for feature extraction} [2022-01]
G01S 13/9029
. . . . .
{specially adapted for moving target detection within a single SAR image or within multiple SAR images taken at the same time} [2019-05]
G01S 13/904
. . . .
{SAR modes} [2022-01]
G01S 13/9041
. . . . .
{Squint mode} [2019-05]
G01S 13/9043
. . . . .
{Forward-looking SAR} [2019-05]
G01S 13/9047
. . . . .
{Doppler beam sharpening mode} [2019-05]
G01S 13/9052
. . . . .
{Spotlight mode} [2019-05]
G01S 13/9054
. . . . .
{Stripmap mode} [2022-01]
G01S 13/9056
. . . . .
{Scan SAR mode} [2022-01]
G01S 13/9058
. . . . .
{Bistatic or multistatic SAR} [2019-05]
G01S 13/9064
. . . . .
{Inverse SAR [ISAR]} [2019-05]
G01S 13/9076
. . . . .
{Polarimetric features in SAR} [2019-05]
G01S 13/9082
. . . . .
{Rotating SAR [ROSAR]} [2019-05]
G01S 13/9088
. . . . .
{Circular SAR [CSAR, C-SAR]} [2019-05]
G01S 13/9089
. . . . .
{SAR having an irregular aperture} [2022-01]
G01S 13/9092
. . . . .
{combined with monopulse techniques} [2022-01]
G01S 13/9094
. . . .
{Theoretical aspects} [2013-01]
G01S 13/91
. .
for traffic control (G01S 13/93 takes precedence) [2022-01]
G01S 13/913
. . .
{for landing purposes} [2013-01]
G01S 2013/916
. . .
{Airport surface monitoring [ASDE]} [2013-01]
G01S 13/917
. . .
{for marine craft or other waterborne vessels} [2022-01]
G01S 13/92
. . .
for velocity measurement [2013-01]
G01S 13/93
. .
for anti-collision purposes [2013-01]
G01S 13/931
. . .
of land vehicles [2020-01]
G01S 2013/9314
. . . .
{Parking operations} [2020-01]
G01S 2013/9315
. . . .
{Monitoring blind spots} [2020-01]
G01S 2013/9316
. . . .
{combined with communication equipment with other vehicles or with base stations} [2020-01]
G01S 2013/9317
. . . .
{Driving backwards} [2020-01]
G01S 2013/9318
. . . .
{Controlling the steering} [2020-01]
G01S 2013/93185
. . . .
{Controlling the brakes} [2020-01]
G01S 2013/9319
. . . .
{Controlling the accelerator} [2020-01]
G01S 2013/932
. . . .
{using own vehicle data, e.g. ground speed, steering wheel direction} [2020-01]
G01S 2013/9321
. . . .
{Velocity regulation, e.g. cruise control} [2020-01]
G01S 2013/9322
. . . .
{using additional data, e.g. driver condition, road state or weather data} [2020-01]
G01S 2013/9323
. . . .
{Alternative operation using light waves} [2020-01]
G01S 2013/9324
. . . .
{Alternative operation using ultrasonic waves} [2020-01]
G01S 2013/9325
. . . .
{for inter-vehicle distance regulation, e.g. navigating in platoons} [2020-01]
G01S 2013/9327
. . . .
{Sensor installation details} [2020-01]
G01S 2013/93271
. . . . .
{in the front of the vehicles} [2020-01]
G01S 2013/93272
. . . . .
{in the back of the vehicles} [2020-01]
G01S 2013/93273
. . . . .
{on the top of the vehicles} [2020-01]
G01S 2013/93274
. . . . .
{on the side of the vehicles} [2020-01]
G01S 2013/93275
. . . . .
{in the bumper area} [2020-01]
G01S 2013/93276
. . . . .
{in the windshield area} [2020-01]
G01S 2013/93277
. . . . .
{in the lights} [2020-01]
G01S 2013/9328
. . . .
{Rail vehicles} [2020-01]
G01S 2013/9329
. . . .
{cooperating with reflectors or transponders} [2020-01]
G01S 13/933
. . .
of aircraft or spacecraft [2020-01]
G01S 13/934
. . . .
on airport surfaces, e.g. while taxiing [2020-01]
G01S 13/935
. . . .
for terrain-avoidance [2020-01]
G01S 13/937
. . .
of marine craft [2020-01]
G01S 13/95
. .
for meteorological use [2013-01]
G01S 13/951
. . .
{ground based} [2013-01]
G01S 13/953
. . .
{mounted on aircraft} [2013-01]
G01S 13/955
. . .
{mounted on satellite} [2013-01]
G01S 13/956
. . .
{mounted on ship or other platform} [2013-01]
G01S 13/958
. . .
{Theoretical aspects} [2013-01]
G01S 15/00
Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems [2013-01]
NOTES

  • This group covers :
    • systems for detecting the presence of an object, e.g. by reflection or reradiation from the object itself, or from a transponder associated with the object, for determining the distance or relative velocity of an object, for providing a co-ordinated display of the distance and direction of an object or for obtaining an image thereof;
    • systems arranged for mounting on a moving craft or vehicle and using the reflection of waves from an extended surface external to the craft, e.g. the surface of the earth, to determine the velocity and direction of motion of the craft relative to the surface.
  • This group does not cover :
    • systems for determining the direction of an object by means not employing reflection or reradiation, which are covered by groups G01S 1/00 or G01S 3/00;
    • systems for determining distance or velocity of an object by means not employing reflection or reradiation, which are covered by group G01S 11/00.
G01S 15/003
.
{Bistatic sonar systems; Multistatic sonar systems} [2013-01]
G01S 15/006
.
{Theoretical aspects} [2013-01]
G01S 15/02
.
using reflection of acoustic waves (G01S 15/66 takes precedence) [2013-01]
G01S 15/04
. .
Systems determining presence of a target [2013-01]
G01S 15/06
. .
Systems determining the position data of a target [2013-01]
G01S 15/08
. . .
Systems for measuring distance only (indirect measurement G01S 15/46) [2013-01]
G01S 15/10
. . . .
using transmission of interrupted, pulse-modulated waves (determination of distance by phase measurement G01S 15/32) [2021-01]
G01S 15/101
. . . . .
{Particularities of the measurement of distance (G01S 15/12, G01S 15/14, and G01S 15/18 take precedence)} [2013-01]
G01S 15/102
. . . . .
{using transmission of pulses having some particular characteristics} [2013-01]
G01S 15/104
. . . . . .
{wherein the transmitted pulses use a frequency- or phase-modulated carrier wave} [2013-01]
G01S 15/105
. . . . . .
{using irregular pulse repetition frequency} [2013-01]
G01S 15/107
. . . . . .
{using frequency agility of carrier wave} [2013-01]
G01S 15/108
. . . . . .
{using more than one pulse per sonar period} [2013-01]
G01S 15/12
. . . . .
wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse [2013-01]
G01S 15/14
. . . . .
wherein a voltage or current pulse is initiated and terminated in accordance respectively with the pulse transmission and echo reception [2013-01]
G01S 15/18
. . . . .
wherein range gates are used [2013-01]
G01S 15/32
. . . .
using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated [2021-01]
G01S 15/325
. . . . .
{using transmission of coded signals, e.g. of phase-shift keyed [PSK] signals} [2013-01]
G01S 15/34
. . . . .
using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal [2021-01]
G01S 15/36
. . . . .
with phase comparison between the received signal and the contemporaneously transmitted signal [2013-01]
G01S 15/42
. . .
Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S 15/46) [2013-01]
G01S 15/46
. . .
Indirect determination of position data [2013-01]
G01S 2015/465
. . . .
{by Trilateration, i.e. two transducers determine separately the distance to a target, whereby with the knowledge of the baseline length, i.e. the distance between the transducers, the position data of the target is determined} [2013-01]
G01S 15/50
. .
Systems of measurement, based on relative movement of the target [2013-01]
G01S 15/52
. . .
Discriminating between fixed and moving objects or between objects moving at different speeds [2013-01]
G01S 15/523
. . . .
{for presence detection (burglar, theft or intruder alarms G08B 13/00, e.g. G08B 13/16)} [2013-01]
G01S 15/526
. . . . .
{by comparing echos in different sonar periods} [2013-01]
G01S 15/58
. . .
Velocity or trajectory determination systems; Sense-of-movement determination systems {(velocity measurement in imaging systems G01S 15/8979)} [2013-01]
G01S 15/582
. . . .
{using transmission of interrupted pulse-modulated waves and based upon the Doppler effect resulting from movement of targets} [2013-01]
G01S 15/584
. . . . .
{with measures taken for suppressing velocity ambiguities, i.e. anti-aliasing} [2013-01]
G01S 15/586
. . . .
{using transmission of continuous unmodulated waves, amplitude-, frequency-, or phase-modulated waves and based upon the Doppler effect resulting from movement of targets} [2013-01]
G01S 15/588
. . . .
{measuring the velocity vector} [2013-01]
G01S 15/60
. . . .
wherein the transmitter and receiver are mounted on the moving object, e.g. for determining ground speed, drift angle, ground track [2013-01]
G01S 15/62
. . . .
Sense-of-movement determination {(G01S 15/588 takes precedence)} [2013-01]
G01S 15/66
.
Sonar tracking systems [2013-01]
G01S 15/74
.
Systems using reradiation of acoustic waves, e.g. IFF, i.e. identification of friend or foe [2020-01]
G01S 15/86
.
Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection [2020-01]
G01S 15/87
.
Combinations of sonar systems [2013-01]
G01S 15/872
. .
{Combination of several systems for attitude determination (using inertial means G01C 9/00, control of attitude G05D 1/49)} [2024-01]
G01S 15/874
. .
{Combination of several spaced transponders or reflectors of known location for determining the position of a receiver (G01S 15/872 takes precedence)} [2013-01]
G01S 15/876
. .
{Combination of several spaced transmitters or receivers of known location for determining the position of a transponder or a reflector (G01S 15/872 takes precedence)} [2013-01]
G01S 15/878
. . .
{wherein transceivers are operated, either sequentially or simultaneously, both in bi-static and in mono-static mode, e.g. cross-echo mode} [2013-01]
G01S 15/88
.
Sonar systems specially adapted for specific applications (seismic or acoustic prospecting or detecting G01V 1/00) [2013-01]
G01S 15/885
. .
{Meteorological systems} [2013-01]
G01S 15/89
. .
for mapping or imaging [2013-01]
G01S 15/8902
. . .
{Side-looking sonar} [2013-01]
G01S 15/8904
. . . .
{using synthetic aperture techniques} [2013-01]
G01S 15/8906
. . .
{Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques} [2013-01]
G01S 15/8909
. . . .
{using a static transducer configuration} [2021-01]
G01S 15/8911
. . . . .
{using a single transducer for transmission and reception} [2013-01]
G01S 15/8913
. . . . .
{using separate transducers for transmission and reception} [2013-01]
G01S 15/8915
. . . . .
{using a transducer array} [2013-01]
G01S 15/8918
. . . . . .
{the array being linear} [2013-01]
G01S 15/892
. . . . . .
{the array being curvilinear} [2013-01]
G01S 15/8922
. . . . . .
{the array being concentric or annular} [2013-01]
G01S 15/8925
. . . . . .
{the array being a two-dimensional transducer configuration, i.e. matrix or orthogonal linear arrays} [2013-01]
G01S 15/8927
. . . . . .
{using simultaneously or sequentially two or more subarrays or subapertures} [2013-01]
G01S 15/8929
. . . . .
{using a three-dimensional transducer configuration} [2013-01]
G01S 15/8931
. . . . .
{co-operating with moving reflectors} [2013-01]
G01S 15/8934
. . . .
{using a dynamic transducer configuration} [2021-01]
G01S 15/8936
. . . . .
{using transducers mounted for mechanical movement in three dimensions} [2013-01]
G01S 15/8938
. . . . .
{using transducers mounted for mechanical movement in two dimensions} [2013-01]
G01S 15/894
. . . . . .
{by rotation about a single axis} [2013-01]
G01S 15/8943
. . . . . . .
{co-operating with reflectors} [2013-01]
G01S 15/8945
. . . . .
{using transducers mounted for linear mechanical movement} [2013-01]
G01S 15/8947
. . . . .
{using transducers movable by (electro)magnetic means} [2013-01]
G01S 15/895
. . . .
{characterised by the transmitted frequency spectrum} [2013-01]
G01S 15/8952
. . . . .
{using discrete, multiple frequencies} [2013-01]
G01S 15/8954
. . . . .
{using a broad-band spectrum} [2013-01]
G01S 15/8956
. . . . .
{using frequencies at or above 20 MHz} [2013-01]
G01S 15/8959
. . . .
{using coded signals for correlation purposes} [2013-01]
G01S 15/8961
. . . . .
{using pulse compression} [2013-01]
G01S 15/8963
. . . . .
{using pulse inversion} [2013-01]
G01S 15/8965
. . . .
{using acousto-optical or acousto-electronic conversion techniques} [2013-01]
G01S 15/8968
. . . . .
{using acoustical modulation of a light beam (acousto-optical light control devices G02F 1/11, G02F 1/33)} [2013-01]
G01S 15/897
. . . . .
{using application of holographic techniques} [2021-01]
G01S 15/8972
. . . . . .
{with optical reconstruction of the image} [2013-01]
G01S 15/8975
. . . . .
{using acoustical image/electron beam converter tubes (tubes therefor H01J 31/495)} [2013-01]
G01S 15/8977
. . . .
{using special techniques for image reconstruction, e.g. FFT, geometrical transformations, spatial deconvolution, time deconvolution} [2021-01]
G01S 15/8979
. . . .
{Combined Doppler and pulse-echo imaging systems} [2013-01]
G01S 15/8981
. . . . .
{Discriminating between fixed and moving objects or between objects moving at different speeds, e.g. wall clutter filter} [2013-01]
G01S 15/8984
. . . . .
{Measuring the velocity vector} [2013-01]
G01S 15/8986
. . . . .
{with measures taken for suppressing velocity ambiguities, i.e. anti-aliasing} [2013-01]
G01S 15/8988
. . . . .
{Colour Doppler imaging} [2013-01]
G01S 15/899
. . . .
{Combination of imaging systems with ancillary equipment} [2013-01]
G01S 15/8993
. . . .
{Three dimensional imaging systems} [2013-01]
G01S 15/8995
. . . .
{Combining images from different aspect angles, e.g. spatial compounding} [2013-01]
G01S 15/8997
. . . .
{using synthetic aperture techniques} [2013-01]
G01S 15/93
. .
for anti-collision purposes [2013-01]
G01S 15/931
. . .
of land vehicles [2020-01]
G01S 2015/932
. . . .
{for parking operations} [2020-01]
G01S 2015/933
. . . . .
{for measuring the dimensions of the parking space when driving past} [2020-01]
G01S 2015/934
. . . . . .
{for measuring the depth, i.e. width, not length, of the parking space} [2020-01]
G01S 2015/935
. . . . . .
{for measuring the contour, e.g. a trajectory of measurement points, representing the boundary of the parking space} [2020-01]
G01S 2015/936
. . . . . .
{for measuring parking spaces extending transverse or diagonal to the driving direction, i.e. not parallel to the driving direction} [2020-01]
G01S 2015/937
. . . .
{sensor installation details (constructional features of transducers G01S 7/521 and B06B; casing of transducers, e.g. housing, cover or filler details, G10K 9/22; mounting of transducers, i.e. fixture, fitting or holder details, G10K 11/004)} [2020-01]
G01S 2015/938
. . . . .
{in the bumper area (radar in bumper area G01S 2013/93275; bumper with obstacle sensor of electric or electronic type B60R 19/483)} [2020-01]
G01S 2015/939
. . . . .
{vertical stacking of sensors, e.g. to enable obstacle height determination} [2020-01]
G01S 15/96
. .
for locating fish [2013-01]
G01S 17/00
Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems [2021-01]
NOTES

  • This group covers:
    • systems for detecting the presence of an object, e.g. by reflection or reradiation from the object itself, or from a transponder associated with the object, for determining the distance or relative velocity of an object, for providing a coordinated display of the distance and direction of an object or for obtaining an image thereof;
    • systems arranged for mounting on a moving craft or vehicle and using the reflection of waves from an extended surface external to the craft, e.g. the surface of the earth, to determine the velocity and direction of motion of the craft relative to the surface.
  • This subclass does not cover:
    • systems for determining the direction of anobject by means not employing reflectionor reradiation which are covered by groups G01S 1/00 or G01S 3/00;
    • systems for determining distance or velocity of an object by means not employing reflection or reradiation, which are covered by group G01S 11/00.
G01S 17/003
.
{Bistatic lidar systems; Multistatic lidar systems} [2013-01]
G01S 17/006
.
{Theoretical aspects} [2013-01]
G01S 17/02
.
Systems using the reflection of electromagnetic waves other than radio waves (G01S 17/66 takes precedence) [2013-01]
G01S 17/04
. .
Systems determining the presence of a target [2020-01]
G01S 17/06
. .
Systems determining position data of a target [2013-01]
G01S 17/08
. . .
for measuring distance only (indirect measurement G01S 17/46; active triangulation systems G01S 17/48) [2021-01]
G01S 17/10
. . . .
using transmission of interrupted, pulse-modulated waves (determination of distance by phase measurements G01S 17/32) [2021-01]
G01S 17/14
. . . . .
wherein a voltage or current pulse is initiated and terminated in accordance with the pulse transmission and echo reception respectively, e.g. using counters [2020-01]
G01S 17/18
. . . . .
wherein range gates are used [2020-01]
G01S 17/26
. . . . .
wherein the transmitted pulses use a frequency-modulated or phase-modulated carrier wave, e.g. for pulse compression of received signals [2020-01]
G01S 17/32
. . . .
using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated [2021-01]
G01S 17/34
. . . . .
using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal [2021-01]
G01S 17/36
. . . . .
with phase comparison between the received signal and the contemporaneously transmitted signal [2013-01]
G01S 17/42
. . .
Simultaneous measurement of distance and other co-ordinates (indirect measurement G01S 17/46) [2013-01]
G01S 17/46
. . .
Indirect determination of position data [2013-01]
G01S 17/48
. . . .
Active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves [2021-01]
G01S 17/50
. .
Systems of measurement based on relative movement of target [2013-01]
G01S 17/58
. . .
Velocity or trajectory determination systems; Sense-of-movement determination systems [2013-01]
G01S 17/66
.
Tracking systems using electromagnetic waves other than radio waves [2013-01]
G01S 17/74
.
Systems using reradiation of electromagnetic waves other than radio waves, e.g. IFF, i.e. identification of friend or foe [2020-01]
G01S 17/86
.
Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders [2020-01]
G01S 17/87
.
Combinations of systems using electromagnetic waves other than radio waves [2013-01]
G01S 17/875
. .
for determining attitude [2020-01]
G01S 17/88
.
Lidar systems specially adapted for specific applications [2013-01]
G01S 17/89
. .
for mapping or imaging [2022-01]
G01S 17/894
. . .
3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar [2022-01]
G01S 17/90
. . .
using synthetic aperture techniques [2020-01]
G01S 17/93
. .
for anti-collision purposes [2013-01]
G01S 17/931
. . .
of land vehicles [2020-01]
G01S 17/933
. . .
of aircraft or spacecraft [2020-01]
G01S 17/95
. .
for meteorological use [2013-01]
G01S 19/00
Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems [2021-01]
G01S 19/01
.
Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO [2013-01]
G01S 19/015
. .
{Arrangements for jamming, spoofing or other methods of denial of service of such systems} [2013-01]
G01S 19/02
. .
Details of the space or ground control segments [2013-01]
G01S 19/03
. .
Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers [2013-01]
NOTE

  • The term "cooperating elements" designates additional elements or subsystems, including receivers of other users, which interact or communicate with the receiver or the satellite positioning system.
G01S 19/04
. . .
providing carrier phase data [2013-01]
G01S 19/05
. . .
providing aiding data [2021-01]
G01S 19/06
. . . .
employing an initial estimate of the location of the receiver as aiding data or in generating aiding data [2013-01]
G01S 19/07
. . .
providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections [2021-08]
G01S 19/071
. . . .
{DGPS corrections} [2021-08]
G01S 19/072
. . . .
{Ionosphere corrections} [2021-08]
G01S 19/073
. . . .
{involving a network of fixed stations} [2021-08]
G01S 19/074
. . . . .
{providing integrity data, e.g. WAAS} [2021-08]
G01S 19/08
. . .
providing integrity information, e.g. health of satellites or quality of ephemeris data [2013-01]
G01S 19/09
. . .
providing processing capability normally carried out by the receiver [2013-01]
G01S 19/10
. . .
providing dedicated supplementary positioning signals [2013-01]
G01S 19/11
. . . .
wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters [2021-08]
G01S 19/115
. . . . .
{Airborne or satellite based pseudolites or repeaters} [2021-08]
G01S 19/12
. . . .
wherein the cooperating elements are telecommunication base stations [2013-01]
G01S 19/13
. .
Receivers [2013-01]
G01S 19/14
. . .
specially adapted for specific applications [2013-01]
G01S 19/15
. . . .
Aircraft landing systems [2013-01]
G01S 19/16
. . . .
Anti-theft; Abduction [2013-01]
G01S 19/17
. . . .
Emergency applications [2013-01]
G01S 19/18
. . . .
Military applications [2013-01]
G01S 19/19
. . . .
Sporting applications [2013-01]
G01S 19/20
. . .
Integrity monitoring, fault detection or fault isolation of space segment [2013-01]
G01S 19/21
. . .
Interference related issues {; Issues related to cross-correlation, spoofing or other methods of denial of service} [2021-01]
G01S 19/215
. . . .
{issues related to spoofing} [2013-01]
G01S 19/22
. . .
Multipath-related issues [2013-01]
G01S 19/23
. . .
Testing, monitoring, correcting or calibrating of receiver elements [2013-01]
G01S 19/235
. . . .
{Calibration of receiver components} [2013-01]
G01S 19/24
. . .
Acquisition or tracking {or demodulation} of signals transmitted by the system {(synchronisation aspects of direct sequence spread spectrum modulation H04B 1/7073)} [2013-01]
G01S 19/243
. . . .
{Demodulation of navigation message} [2013-01]
G01S 19/246
. . . .
{involving long acquisition integration times, extended snapshots of signals or methods specifically directed towards weak signal acquisition} [2013-01]
G01S 19/25
. . . .
involving aiding data received from a cooperating element, e.g. assisted GPS [2013-01]
G01S 19/252
. . . . .
{Employing an initial estimate of location in generating assistance data} [2013-01]
G01S 19/254
. . . . .
{relating to Doppler shift of satellite signals} [2013-01]
G01S 19/256
. . . . .
{relating to timing, e.g. time of week, code phase, timing offset} [2013-01]
G01S 19/258
. . . . .
{relating to the satellite constellation, e.g. almanac, ephemeris data, lists of satellites in view} [2013-01]
G01S 19/26
. . . .
involving a sensor measurement for aiding acquisition or tracking [2013-01]
G01S 19/27
. . . .
creating, predicting or correcting ephemeris or almanac data within the receiver [2013-01]
G01S 19/28
. . . .
Satellite selection [2013-01]
G01S 19/29
. . . .
carrier {including Doppler,} related {(G01S 19/246 takes precedence)} [2021-01]
G01S 19/30
. . . .
code related {(G01S 19/246 takes precedence)} [2013-01]
G01S 19/31
. . .
Acquisition or tracking of other signals for positioning [2013-01]
G01S 19/32
. . .
Multimode operation in a single same satellite system, e.g. GPS L1/L2 [2013-01]
G01S 19/33
. . .
Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS [2013-01]
G01S 19/34
. . .
Power consumption [2013-01]
G01S 19/35
. . .
Constructional details or hardware or software details of the signal processing chain [2013-01]
G01S 19/36
. . . .
relating to the receiver frond end [2013-01]
G01S 19/37
. . . .
Hardware or software details of the signal processing chain [2013-01]
G01S 19/38
.
Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system [2013-01]
G01S 19/39
. .
the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO [2021-08]
G01S 19/393
. . .
{Trajectory determination or predictive tracking, e.g. Kalman filtering} [2021-08]
G01S 19/396
. . .
{Determining accuracy or reliability of position or pseudorange measurements} [2021-08]
G01S 19/40
. . .
Correcting position, velocity or attitude [2013-01]
G01S 19/41
. . . .
Differential correction, e.g. DGPS [differential GPS] [2013-01]
G01S 19/42
. . .
Determining position [2013-01]
G01S 19/421
. . . .
{by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system} [2013-01]
G01S 19/423
. . . . .
{by combining or switching between position solutions derived from different satellite radio beacon positioning systems} [2013-01]
G01S 19/425
. . . . .
{by combining or switching between signals derived from different satellite radio beacon positioning systems} [2013-01]
G01S 19/426
. . . . .
{by combining or switching between position solutions or signals derived from different modes of operation in a single system} [2013-01]
G01S 19/428
. . . .
{using multipath or indirect path propagation signals in position determination} [2013-01]
G01S 19/43
. . . .
using carrier phase measurements, e.g. kinematic positioning; using long or short baseline interferometry [2013-01]
G01S 19/44
. . . . .
Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method [2013-01]
G01S 19/45
. . . .
by combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement [2013-01]
G01S 19/46
. . . . .
the supplementary measurement being of a radio-wave signal type [2013-01]
G01S 19/47
. . . . .
the supplementary measurement being an inertial measurement, e.g. tightly coupled inertial [2021-01]
G01S 19/48
. . . .
by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system [2023-05]
G01S 19/485
. . . . .
{whereby the further system is an optical system or imaging system} [2023-05]
G01S 19/49
. . . . .
whereby the further system is an inertial position system, e.g. loosely-coupled [2023-05]
G01S 19/50
. . . .
whereby the position solution is constrained to lie upon a particular curve or surface, e.g. for locomotives on railway tracks [2021-01]
G01S 19/51
. . . .
Relative positioning [2013-01]
G01S 19/52
. . .
Determining velocity [2013-01]
G01S 19/53
. . .
Determining attitude [2013-01]
G01S 19/54
. . . .
using carrier phase measurements; using long or short baseline interferometry [2013-01]
G01S 19/55
. . . . .
Carrier phase ambiguity resolution; Floating ambiguity; LAMBDA [Least-squares AMBiguity Decorrelation Adjustment] method [2013-01]
G01S 2201/00
Indexing scheme relating to beacons or beacon systems transmitting signals capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters [2021-08]
G01S 2201/01
.
adapted for specific applications or environments [2021-08]
G01S 2201/02
. .
Indoor positioning, e.g. in covered car-parks, mining facilities, warehouses [2021-08]
G01S 2201/025
. . .
Indoor pedestrian positioning [2021-08]
G01S 2201/03
. .
Construction sites [2021-08]
G01S 2201/04
. .
Emergencies [2021-08]
G01S 2201/05
. .
Sport [2021-08]
G01S 2201/06
. .
Aircraft navigation [2021-08]
G01S 2201/07
. .
Under water [2021-08]
G01S 2201/08
. .
Marine or water borne applications [2021-08]
G01S 2205/00
Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations [2020-05]
G01S 2205/001
.
Transmission of position information to remote stations [2019-05]
G01S 2205/002
. .
for traffic control, mobile tracking, guidance, surveillance or anti-collision [2013-01]
G01S 2205/003
. . .
for aircraft positioning relative to the ground [2013-01]
G01S 2205/005
. . .
for aircraft positioning relative to other aircraft [2013-01]
G01S 2205/006
. .
for emergency situations [2013-01]
G01S 2205/007
. .
for management of a communication system [2013-01]
G01S 2205/008
. .
using a mobile telephone network [2013-01]
G01S 2205/01
.
specially adapted for specific applications [2023-05]
G01S 2205/02
. .
Indoor [2023-05]
G01S 2205/03
. .
Airborne [2023-05]
G01S 2205/04
. .
Nautical [2023-05]
G01S 2205/05
. .
Anti-theft or abduction [2023-05]
G01S 2205/06
. .
Emergency [2023-05]
G01S 2205/07
. .
Military [2023-05]
G01S 2205/08
. .
Sport [2023-05]
G01S 2205/09
. .
for tracking people [2023-05]
G01S 2205/10
. . .
Elderly or infirm [2023-05]