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2 . (1 indent ) For aircraft or missile
3 . (1 indent ) For camouflage
4 . (1 indent ) With particular geometric configuration
6 . (1 indent ) With modulation
8 .. (2 indent ) Inflatable or collapsable
9 .. (2 indent ) Decoy or tow target
10 . (1 indent ) Inflatable or collapsable
11 . (1 indent ) With spherical lens (e.g., Luneberg lens)
13 RADAR EW (ELECTRONIC WARFARE)
14 . (1 indent ) ECM (Electronic countermeasures, i.e., jamming)
15 .. (2 indent ) With repeater
16 . (1 indent ) ECCM (Electronic counter-countermeasures, i.e., antijamming)
17 .. (2 indent ) Radar reacts to jamming
18 ... (3 indent ) By changing frequency
19 ... (3 indent ) By varying gain or blocking receiver
20 . (1 indent ) Detection of surveilance
22 TRANSMISSION THROUGH MEDIA OTHER THAN AIR OR FREE SPACE
25R SYNTHETIC APERTURE RADAR
25A . (1 indent ) Mapping or imaging using synthetic aperture radar (EPO)
25B .. (2 indent ) Specially adapted for moving target detection (EPO)
25C .. (2 indent ) Combined with monopulse or interferometric (EPO)
25D .. (2 indent ) With frequency domain processing of the SAR signals in azimuth (EPO)
25E .. (2 indent ) With time domain processing of the SAR signals in azimuth, e.g. time focusing (EPO)
25F .. (2 indent ) Particular SAR processing techniques (e.g., squint mode, doppler beam-sharpening mode, spotlight mode, bistatic SAR, inverse SAR) (EPO)
26R RADAR FOR METEOROLOGICAL USE (EPO)
26A . (1 indent ) Mounted on satellite (EPO)
26B . (1 indent ) Mounted on aircraft (EPO)
26C . (1 indent ) Mounted on ship (EPO)
26D . (1 indent ) Ground based (EPO)
27 PRESENCE DETECTION ONLY
28 . (1 indent ) By motion detection
29 AIRCRAFT COLLISION AVOIDANCE SYSTEM (CAS)
30 . (1 indent ) With transponder
31 .. (2 indent ) Including synchronized clock
32 .. (2 indent ) Included in Secondary Surveilance Radar (SSR) or Air Traffic Control Radio Beacon System (ATCRBS)
33 AIRCRAFT LANDING SYSTEM
34 . (1 indent ) Ground control approach (GCA)
35 . (1 indent ) Microwave landing system (MLS)
37 . (1 indent ) Secondary Surveilance Radar (SSR) or Air Traffic Control Radar Beacon System (ATCRBS)
38 .. (2 indent ) With altitude information
39 .. (2 indent ) With side lobe suppression
40 .. (2 indent ) With defruiting or degarbling
41 SHIP COLLISION AVOIDANCE
42 RADAR TRANSPONDER SYSTEM
43 . (1 indent ) Combined with primary radar system
44 . (1 indent ) Unique identity
45 . (1 indent ) IFF or SIF
46 . (1 indent ) Navigational
47 .. (2 indent ) Distance measuring equipment (DME)
48 ... (3 indent ) With automatic lock-on
49 ... (3 indent ) With VOR/TACAN
50 . (1 indent ) With Telemetry
51 . (1 indent ) Radar transponder only
52 COMBINED WITH DIVERSE TYPE RADIANT ENERGY SYSTEM
53 . (1 indent ) With infrared device
54 . (1 indent ) With laser
55 . (1 indent ) With television
56 . (1 indent ) With direction finding
57 . (1 indent ) With radio voice communication
58 . (1 indent ) With transmission to a remote station
60 TRANSMITTING INTELLIGENCE
61 RETURN SIGNAL CONTROLS EXTERNAL DEVICE
62 . (1 indent ) Missile or spacecraft guidance
63 . (1 indent ) Aircraft guidance
64 .. (2 indent ) With map matching
65 .. (2 indent ) With terrain avoidance or alarm
67 . (1 indent ) Gun (e.g., fire control)
68 . (1 indent ) Proximity fuze
69 . (1 indent ) Device actuated by presence of land vehicle
70 . (1 indent ) Radar mounted on and controls land vehicle
71 .. (2 indent ) With control of brakes or steering
72 .. (2 indent ) With control of safety device (e.g., air bags)
73 RETURN SIGNAL CONTROLS RADAR SYSTEM
74 . (1 indent ) Antenna control
75 .. (2 indent ) Physical orientation
76 ... (3 indent ) With ground tracking
77 ... (3 indent ) With signal error correction
78 ... (3 indent ) Conical scan
79 ... (3 indent ) Lobe switching
80 ... (3 indent ) Monopulse
81 .. (2 indent ) Beam direction by phase or frequency control
82 . (1 indent ) Transmitter
83 .. (2 indent ) Signal phase or frequency other than pulse repetition frequency (PRF)
84 ... (3 indent ) Function of doppler frequency
85 ... (3 indent ) Function of distance
86 .... (4 indent ) With constant phase
87 .... (4 indent ) With constant beat frequency
88 .. (2 indent ) Transmission timing (e.g., ring around)
89 . (1 indent ) Receiver
90 .. (2 indent ) Automatic target detection
91 .. (2 indent ) Gain or threshold
92 ... (3 indent ) Automatic gain control (AGC)
93 ... (3 indent ) Constant false alarm rate (CFAR)
95 ... (3 indent ) Automatic range tracking
96 .... (4 indent ) Automatic track while scan (ATWS)
97 .... (4 indent ) With automatic lock-on
98 .. (2 indent ) Frequency
99 ... (3 indent ) Doppler frequency tracking
100 .... (4 indent ) With local oscillator control
101 .... (4 indent ) With filter control
102 ... (3 indent ) Phase
103 .... (4 indent ) Phase locked loop
105 . (1 indent ) Other than doppler (e.g., range rate)
106 . (1 indent ) Combined with determining acceleration
107 . (1 indent ) Combined with determining distance and direction
108 .. (2 indent ) With correlation
109 . (1 indent ) Combined with determining distance
110 .. (2 indent ) With plural fixed range gates
111 .. (2 indent ) With plural receiver frequency band separation
112 .. (2 indent ) With plural frequencies transmission
113 . (1 indent ) Combined with determining direction (i.e., bearing)
114 . (1 indent ) Combined with determining sense of motion (i.e., approaching or receding)
115 . (1 indent ) Digital
116 . (1 indent ) With plural received frequency band separation
117 . (1 indent ) With plural beams (e.g., "Janus")
119 . (1 indent ) Miss distance indicator (MDI)
120 . (1 indent ) Altimeter
121 .. (2 indent ) With additional indicator
122 .. (2 indent ) FM type
123 . (1 indent ) Height finder
124 . (1 indent ) Material level within container
125 . (1 indent ) With remote cooperating station
126 . (1 indent ) Triangulation
127 . (1 indent ) Phase comparison
128 . (1 indent ) With frequency modulation
129 .. (2 indent ) Plural frequencies transmitted
130 .. (2 indent ) Plural modulation
131 ... (3 indent ) Combined with pulse modulation (e.g., frequency agile)
132 .... (4 indent ) With pulse modulation (e.g., "Chirp")
133 .. (2 indent ) Combined with determining direction
134 . (1 indent ) With pulse modulation
135 .. (2 indent ) Digital (e.g., with counter)
136 ... (3 indent ) With plural fixed range gates
137 .. (2 indent ) With variable pulse repetition frequency (PRF) or pulse width
138 .. (2 indent ) With type "A" or "J" range scope
139 .. (2 indent ) Combined with determining direction
140 ... (3 indent ) With azimuth and elevation determination
141 ... (3 indent ) Off boresight
142 ... (3 indent ) With CRT display
143 .... (4 indent ) Plural
144 .... (4 indent ) PPI type
145 . (1 indent ) With correlation
146 . (1 indent ) Combined with determining direction
147 DETERMINING DIRECTION
148 . (1 indent ) Low angle processing
149 . (1 indent ) Monopulse
150 .. (2 indent ) With common IF channel
151 .. (2 indent ) With channel equalization
152 .. (2 indent ) With quadrature difference processing
153 .. (2 indent ) With particular antenna or waveguide
154 .. (2 indent ) Combined with beam steering
155 . (1 indent ) Lobe switching
156 . (1 indent ) Interferometer
157 . (1 indent ) With frequency or phase steering
158 . (1 indent ) Scanning
160 . (1 indent ) MTI (Moving target indicator)
161 .. (2 indent ) With vehicle movement compensation (e.g., AMTI (Airborn MTI))
162 .. (2 indent ) Digital
163 .. (2 indent ) With blind speed elimination
164 .. (2 indent ) With storage tube
165 TESTING OR CALIBRATING OF RADAR SYSTEM
166 . (1 indent ) Proximity fuze
167 . (1 indent ) With laser
168 . (1 indent ) With noise generation
169 . (1 indent ) By simulation
170 .. (2 indent ) Microwave
171 .. (2 indent ) Doppler
172 .. (2 indent ) With delay
173 . (1 indent ) By monitoring
174 .. (2 indent ) Calibrating
175 WITH PARTICULAR CIRCUIT
176 . (1 indent ) Display
177 .. (2 indent ) Plural
178 .. (2 indent ) Projection type
179 .. (2 indent ) Image production
180 .. (2 indent ) Stereoscopic or tridimensional
182 .. (2 indent ) Electronic marker generation
183 ... (3 indent ) Cursor
184 .. (2 indent ) With stabilization (e.g., True Motion, True North)
185 .. (2 indent ) Scan conversion
186 .. (2 indent ) With sweep expansion
187 . (1 indent ) Augmenter
188 . (1 indent ) With polarization
189 . (1 indent ) For correlation
190 . (1 indent ) With recording
191 .. (2 indent ) Mapping
192 . (1 indent ) Spectrum analysis
193 .. (2 indent ) Harmonic
194 . (1 indent ) Complex signal (in phase and quadrature)
195 . (1 indent ) Digital processing
196 .. (2 indent ) Fast fourier transform (FFT)
197 .. (2 indent ) With video quantizer
198 . (1 indent ) For receiver protection
199 . (1 indent ) Automatic frequency control (AFC)
200 . (1 indent ) For frequency modulation
201 .. (2 indent ) Combined with pulse modulation
202 . (1 indent ) For pulse modulation
203 .. (2 indent ) With noise reduction
204 .. (2 indent ) With pulse shaping
205 . (1 indent ) Sensitivity time control (STC)
351 . (1 indent ) Including a radiometer
352 . (1 indent ) Including a satellite
353 .. (2 indent ) Having a signal repeater
354 .. (2 indent ) With beam steering
355 .. (2 indent ) With control of satellite attitude
356 .. (2 indent ) Synchronous satellite
357.2 .. (2 indent ) With position, velocity, or attitude determination (IPC)
357.21 ... (3 indent ) Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
357.22 .... (4 indent ) Satellite radio beacon positioning system transmitting time-stamped messages; e.g., GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO (IPC)
357.23 .... • (5 indent ) Correcting position, velocity, or attitude
357.24 .... • . (6 indent ) Differential correction; e.g., DGPS [differential GPS] (IPC)
357.25 .... • (5 indent ) Determining position (IPC)
357.26 .... • . (6 indent ) Using carrier phase measurements; e.g., kinematic positioning; using long or short baseline interferometry (IPC)
357.27 .... • .. (7 indent ) Carrier phase ambiguity resolution; floating ambiguity; LAMBDA [Least-squares AMBiguity Declaration Adjustment] method (IPC)
357.28 .... • . (6 indent ) By combining measurements of signals from the satellite radio beacon positioning system with a supplementary measurement (IPC)
357.29 .... • .. (7 indent ) The supplementary measurement being of a radio-wave signal type (IPC)
357.3 .... • .. (7 indent ) The supplementary measurement being an inertial measurement; e.g., tightly coupled inertial (IPC)
357.31 .... • . (6 indent ) By combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system (IPC)
357.32 .... • .. (7 indent ) Whereby the further system is an inertial position system; e.g., loosely coupled (IPC)
357.33 .... • . (6 indent ) Whereby the position solution is constrained to lie upon a particular curve or surface; e.g., for locomotives on railway tracks (IPC)
357.34 .... • . (6 indent ) Relative positioning (IPC)
357.35 .... • (5 indent ) Determining velocity (IPC)
357.36 .... • (5 indent ) Determining attitude (IPC)
357.37 .... • . (6 indent ) Using carrier phase measurements; using long or short baseline interferometry (IPC)
357.38 .... • .. (7 indent ) Carrier phase ambiguity resolution; floating ambiguity; LAMBDA [Least-squares AMBiguity Declaration Adjustment] method)
357.39 ... (3 indent ) Satellite radio beacon positioning system transmitting time-stamped messages; e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO (IPC)
357.395 .... (4 indent ) Details of the space or ground control segments (IPC)
357.4 .... (4 indent ) Cooperating elements; interaction or communication between different cooperating elements or between cooperating elements and receivers (IPC)
357.41 .... • (5 indent ) Providing carrier phase data (IPC)
357.42 .... • (5 indent ) Providing aiding data (IPC)
357.43 .... • . (6 indent ) Employing an initial estimate of the location of the receiver as aiding data or in generating aiding data (IPC)
357.44 .... • (5 indent ) Providing data for correcting measured positioning data; e.g., DGPS [differential GPS] or ionosphere corrections (IPC)
357.45 .... • (5 indent ) Providing integrity information; e.g., health of satellites or quality of ephemeris data (IPC)
357.46 .... • (5 indent ) Providing processing capability normally carried out by the receiver (IPC)
357.47 .... • (5 indent ) Providing dedicated supplementary positioning signals (IPC)
357.48 .... • . (6 indent ) Wherein the cooperating elements are pseudolites or satellite radio beacon positioning system signal repeaters (IPC)
357.49 .... • . (6 indent ) Wherein the cooperating elements are telecommunication base stations (IPC)
357.51 .... (4 indent ) Receivers (IPC)
357.52 .... • (5 indent ) Specially adapted for specific applications (IPC)
357.53 .... • . (6 indent ) Aircraft landing systems (IPC)
357.54 .... • . (6 indent ) Anti-theft; abduction (IPC)
357.55 .... • . (6 indent ) Emergency applications (IPC)
357.56 .... • . (6 indent ) Military applications (IPC)
357.57 .... • . (6 indent ) Sporting applications (IPC)
357.58 .... • (5 indent ) Integrity monitoring, fault detection or fault isolation of space segment)
357.59 .... • (5 indent ) Interference-related issues (IPC)
357.61 .... • (5 indent ) Multipath-related issues (IPC)
357.62 .... • (5 indent ) Testing, monitoring, correcting or calibrating of a receiver element (IPC)
357.63 .... • (5 indent ) Acquisition or tracking of signals transmitted by the system (IPC)
357.64 .... • . (6 indent ) Involving aiding data received from a cooperating element; e.g., assisted GPS (IPC)
357.65 .... • . (6 indent ) Involving a sensor measurement for aiding acquisition or tracking (IPC)
357.66 .... • . (6 indent ) Creating, predicting or correcting ephemeris or almanac data within the receiver (IPC)
357.67 .... • . (6 indent ) Satellite selection (IPC)
357.68 .... • . (6 indent ) Carrier related (IPC)
357.69 .... • . (6 indent ) Code related (IPC)
357.71 .... • (5 indent ) Acquisition or tracking of other signals for positioning (IPC)
357.72 .... • (5 indent ) Multimode operation in a single same satellite system; e.g., GPS L1/L2 (IPC)
357.73 .... • (5 indent ) Multimode operation in different systems which transmit time-stamped messages; e.g., GPS/GLONASS (IPC)
357.74 .... • (5 indent ) Power consumption
357.75 .... • (5 indent ) Constructional details or hardware or software details of the signal processing chain (IPC)
357.76 .... • . (6 indent ) Relating to the receiver frond end (IPC)
357.77 .... • . (6 indent ) Hardware or software details of the signal processing chain (IPC)
357.78 ... (3 indent ) Using Doppler frequency shift
358 .. (2 indent ) With satellite signal correction
359 . (1 indent ) Including antenna orientation
360 . (1 indent ) Including antenna pattern plotting
361 . (1 indent ) Including polarized signal communication transmitter or receiver
362 .. (2 indent ) Receiver only
363 ... (3 indent ) Circular
364 ... (3 indent ) Eliptical
365 .. (2 indent ) Circular
366 .. (2 indent ) Eliptical
367 . (1 indent ) Including directive communication system
368 . (1 indent ) Including a steerable array
369 .. (2 indent ) Injection radiation type
370 .. (2 indent ) Retrodirective
371 .. (2 indent ) With electronic scanning
372 ... (3 indent ) Controlled
373 .. (2 indent ) With a matrix
374 .. (2 indent ) With a switch
375 .. (2 indent ) With a delay line (e.g., serpentine transmission line, frequency scanning)
376 .. (2 indent ) Including a remote energy source
377 .. (2 indent ) Including a computer
378 . (1 indent ) Utilizing correlation techniques
379 .. (2 indent ) Side lobe elimination
380 ... (3 indent ) Sum of each antenna channel signal
381 ... (3 indent ) Difference of each antenna channel signal
382 ... (3 indent ) Mixing each antenna channel signal
383 .. (2 indent ) Sum of each antenna signal
384 .. (2 indent ) Difference of each antenna channel signal
385 . (1 indent ) Beacon or receiver
386 .. (2 indent ) With transmisson of bearing or position determinative signals
387 ... (3 indent ) Iso-chronic type
388 .... (4 indent ) Loran
389 .... • (5 indent ) Loran-C
390 .... • . (6 indent ) With cycle selection
391 .... • (5 indent ) Loran-A
392 .... (4 indent ) With automatic gain control
393 ... (3 indent ) Iso-frequency type
394 ... (3 indent ) Iso-phase type
395 .... (4 indent ) With hetrodyne synchronization
396 .... (4 indent ) Omega
397 .... (4 indent ) Decca
398 ... (3 indent ) Rotating beacon signal
399 ... (3 indent ) Tacan
400 .... (4 indent ) Receiver only
401 .... • (5 indent ) VOR
402 .... • . (6 indent ) Doppler
403 .... • .. (7 indent ) With circular array of antennas
405 .... • (5 indent ) Doppler
406 .... • . (6 indent ) With circular array of antennas
407 ... (3 indent ) Fixed course or bearing indicating
408 .... (4 indent ) Moving beam
409 .... (4 indent ) With superimposed images
410 .... (4 indent ) Glide slope transmitter or receiver
411 .... • (5 indent ) Receiver only
412 .... • (5 indent ) Transmitter only
413 .... (4 indent ) Localizer transmitter or receiver
414 .... (4 indent ) Distinctive frequencies equi-signal type
415 .... • (5 indent ) Coded equi-signal (e.g., A and N type)
416 .... • (5 indent ) Sequentially effective reflectors
417 .. (2 indent ) Direction-finding receiver only
418 ... (3 indent ) Doppler
419 ... (3 indent ) Portable
420 ... (3 indent ) With error or deviatioan compensator or eliminator
421 .... (4 indent ) Pulse-type noise elimination or compensation (e.g., sky waves)
422 ... (3 indent ) With self-orienting antenna pattern
423 .... (4 indent ) Plural antennas
424 .... • (5 indent ) Tracking interferometer
425 .... (4 indent ) Conical scan antenna type
426 .... (4 indent ) Step track antenna type
427 .... (4 indent ) Monopulse or pseuodo monopulse tracking antenna type
428 ... (3 indent ) With continuously movable antenna pattern
429 .... (4 indent ) Including a stationary antenna
430 .... (4 indent ) Including plural moving antennas
431 .... (4 indent ) Including a goniometer
432 ... (3 indent ) With plural fixed antenna pattern comparing
433 .... (4 indent ) Successively commutated
434 .... • (5 indent ) Including more than two antennas
435 .... • (5 indent ) By diode switching
436 .... • (5 indent ) By modulation
437 .... (4 indent ) Including more than two antennas
438 .... (4 indent ) Including separate indicators
439 .... (4 indent ) Including combined effect indicator
440 .... (4 indent ) Including a goniometer
441 ... (3 indent ) Having a goniometer
442 ... (3 indent ) Having a phase detector
443 ... (3 indent ) Having a direction indicator
444 ... (3 indent ) Having plural receivers
445 ... (3 indent ) Having more than two antennas
446 .... (4 indent ) Unequal distance between at least three antennas
447 ... (3 indent ) Having a spiral antennas
448 ... (3 indent ) Having a coil or loop type antenna
449 ... (3 indent ) Having a moving antenna
450 . (1 indent ) Position indicating (e.g., triangulation)
451 .. (2 indent ) By computer
452 .. (2 indent ) By plotting table
453 .. (2 indent ) By deflected or repeated signal
454 .. (2 indent ) Traffic
455 ... (3 indent ) Having collision avoidance
456 ... (3 indent ) Having traffic control
457 .. (2 indent ) Land vehicle location (e.g., bus, police car
458 .. (2 indent ) Distance
459 .. (2 indent ) Underground object location
460 .. (2 indent ) Storm or atomic explosion location
461 .. (2 indent ) With speed determination
462 .. (2 indent ) With altitude determination
463 .. (2 indent ) Having plural transmitters or receivers
464 ... (3 indent ) Plural transmitters only
465 ... (3 indent ) Plural receivers only
FOR000 CLASS-RELATED FOREIGN DOCUMENTS
Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
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