Version: 2025.01
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CPC | COOPERATIVE PATENT CLASSIFICATION | |||
| G01P | MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT (measuring or recording blood flow A61B 5/02, A61B 8/06; monitoring speed or deceleration of electrically-propelled vehicles B60L 3/00; vehicle lighting systems adapted to indicate speed B60Q 1/54; determining position or course in navigation, measuring ground distance in geodesy or surveying G01C; combined measuring devices for measuring two or more variables of movement G01C 23/00; measuring velocity of sound G01H; measuring velocity of light G01J 7/00; measuring direction or velocity of solid objects by reception or emission of radiowaves or other waves and based on propagation effects, e.g. Doppler effect, propagation time, direction of propagation, G01S; measuring speed of nuclear radiation G01T; measuring acceleration of gravity G01V; {measuring or recording the speed of trains B61L 23/00; speed indicators incorporated in motor vehicles B60K 35/00; measuring frequency or phase G01R; traffic control G08G}) [2018-08] NOTES
WARNING
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G01P 1/00 | Details of instruments [2013-01] |
G01P 1/003 | . | {used for damping} [2013-01] |
G01P 1/006 | . | {used for thermal compensation} [2013-01] |
G01P 1/02 | . | Housings [2013-01] |
G01P 1/023 | . . | {for acceleration measuring devices} [2013-01] |
G01P 1/026 | . . | {for speed measuring devices, e.g. pulse generator} [2013-01] |
G01P 1/04 | . | Special adaptations of driving means [2013-01] |
G01P 1/06 | . |
G01P 1/07 | . | Indicating devices, e.g. for remote indication (indicating working conditions of vehicles G07C 5/00) [2017-08] |
G01P 1/08 | . . | Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers [2013-01] |
G01P 1/10 | . . . | for indicating predetermined speeds [2013-01] |
G01P 1/103 | . . . . | {by comparing the value of the measured signal with one or several reference values (in general G01R 17/00)} [2013-01] |
G01P 1/106 | . . . . | {by comparing the time duration between two impulses with a reference time} [2013-01] |
G01P 1/11 | . . . . | by the detection of the position of the indicator needle [2013-01] |
G01P 1/12 | . |
| G01P 3/00 | Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P 5/00 - G01P 11/00 take precedence; {direction and speed indication G01P 13/045}; counting mechanisms G06M) [2016-05] NOTE
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G01P 3/02 | . | Devices characterised by the use of mechanical means [2013-01] |
G01P 3/04 | . . | by comparing two speeds [2013-01] |
G01P 3/06 | . . . | using a friction gear [2013-01] |
G01P 3/08 | . . . | using differential gearing [2013-01] |
G01P 3/10 | . . | by actuating an indicating element, e.g. pointer, for a fixed time [2013-01] |
G01P 3/12 | . . | by making use of a system excited by impact [2013-01] |
G01P 3/14 | . . | by exciting one or more mechanical resonance systems [2013-01] |
G01P 3/16 | . . |
G01P 3/18 | . . . | transferred to the indicator by mechanical means [2013-01] |
G01P 3/20 | . . . | transferred to the indicator by fluid means [2013-01] |
G01P 3/22 | . . . | transferred to the indicator by electric or magnetic means [2013-01] |
G01P 3/24 | . . |
G01P 3/26 | . | Devices characterised by the use of fluids [2013-01] |
G01P 3/263 | . . | {by using fluidic impulse generators} [2013-01] |
G01P 3/266 | . . | {by using a vortex chamber} [2013-01] |
G01P 3/28 | . . | by using pumps [2013-01] |
G01P 3/30 | . . | by using centrifugal forces of fluids [2013-01] |
G01P 3/32 | . . . | in a rotary container communicating with a fixed container [2013-01] |
G01P 3/34 | . . | by using friction effects [2013-01] |
G01P 3/36 | . | Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light (G01P 3/68 takes precedence; gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams G01C 19/64) [2023-08] |
G01P 3/363 | . . | {by using a ring laser (ring lasers in general H01S 3/083)} [2016-11] |
G01P 3/366 | . . | {by using diffraction of light (for measuring speed of fluids G01P 5/26)} [2013-01] |
G01P 3/38 | . . | using photographic means [2013-01] |
G01P 3/40 | . . | using stroboscopic means [2013-01] |
G01P 3/42 | . |
G01P 3/44 | . . |
G01P 3/443 | . . . | {mounted in bearings (bearings F16C)} [2013-01] |
G01P 3/446 | . . . . | {mounted between two axially spaced rows of rolling elements} [2013-01] |
G01P 3/46 | . . . |
G01P 3/465 | . . . . | {by using dynamo-electro tachometers or electric generator} [2013-01] |
G01P 3/48 | . . . |
G01P 3/4802 | . . . . | {by using electronic circuits in general} [2013-01] |
G01P 3/4805 | . . . . . | {by using circuits for the electrical integration of the generated pulses (measuring impulse frequency by integration G01R 23/09)} [2013-01] |
G01P 3/4807 | . . . . . | {by using circuits for the detection of the pulses delivered by the ignition system of an internal combustion engine} [2013-01] |
G01P 3/481 | . . . . | of pulse signals [2013-01] |
G01P 3/4815 | . . . . . | {using a pulse wire sensor, e.g. Wiegand wire} [2013-01] |
G01P 3/482 | . . . . . | delivered by nuclear radiation detectors [2013-01] |
G01P 3/483 | . . . . . | delivered by variable capacitance detectors [2013-01] |
G01P 3/484 | . . . . . | delivered by contact-making switches [2013-01] |
G01P 3/486 | . . . . . | delivered by photo-electric detectors [2013-01] |
G01P 3/487 | . . . . . | delivered by rotating magnets [2013-01] |
G01P 3/488 | . . . . . | delivered by variable reluctance detectors [2013-01] |
G01P 3/489 | . . . . . | Digital circuits therefor [2013-01] |
G01P 3/49 | . . . | using eddy currents [2013-01] |
G01P 3/495 | . . . . | where the indicating means responds to forces produced by the eddy currents and the generating magnetic field [2013-01] |
G01P 3/4953 | . . . . . | {with a counter for the covered distance incorporated (measuring the covered distance G01C 22/00)} [2013-01] |
G01P 3/4956 | . . . . . | {with thermal compensation} [2013-01] |
G01P 3/50 | . . |
G01P 3/505 | . . . | {by using eddy currents} [2013-01] |
G01P 3/52 | . . . | by measuring amplitude of generated current or voltage [2013-01] |
G01P 3/54 | . . . | by measuring frequency of generated current or voltage [2013-01] |
G01P 3/56 | . . | for comparing two speeds [2013-01] |
G01P 3/565 | . . . | {by measuring or by comparing the phase of generated current or voltage (phase comparators per se H03D 13/00; phase measurement G01R 25/00)} [2013-01] |
G01P 3/58 | . . . | by measuring or comparing amplitudes of generated currents or voltage {(amplitude comparators H03K 5/24)} [2013-01] |
G01P 3/60 | . . . | by measuring or comparing frequency of generated currents or voltages {(frequency comparators H03K 5/26)} [2013-01] |
G01P 3/62 | . | Devices characterised by the determination or the variation of atmospheric pressure with height to measure the vertical components of speed (measuring pressure in general G01L) [2013-01] |
G01P 3/64 | . | Devices characterised by the determination of the time taken to traverse a fixed distance [2013-01] |
G01P 3/66 | . . | using electric or magnetic means (G01P 3/80 takes precedence; measuring short time intervals G04F 8/00, G04F 10/00) [2013-01] |
G01P 3/665 | . . . | {for projectile velocity measurements} [2013-01] |
G01P 3/68 | . . | using optical means, i.e. using infrared, visible, or ultraviolet light (G01P 3/80 takes precedence {; by reflection of waves G01S 17/58}) [2023-08] |
G01P 3/685 | . . . | {for projectile velocity measurements} [2013-01] |
G01P 3/80 | . . | using auto-correlation or cross-correlation detection means [2013-01] |
G01P 5/00 | Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft (application of speed-measuring devices for measuring volume of fluid G01F) [2013-01] |
G01P 5/001 | . | {Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation} [2013-01] |
G01P 5/003 | . | {by measuring fluid level in front of an obstacle} [2013-01] |
G01P 5/005 | . | {by using a jet directed into the fluid} [2013-01] |
G01P 5/006 | . . | {the jet used is composed of ionised or radioactive particles} [2013-01] |
G01P 5/008 | . | {by using an electrolyte added to the fluid} [2013-01] |
G01P 5/01 | . | by using swirlflowmeter [2013-01] |
G01P 5/02 | . | by measuring forces exerted by the fluid on solid bodies, e.g. anemometer [2013-01] |
G01P 5/04 | . . | using deflection of baffle-plates [2013-01] |
G01P 5/06 | . . |
G01P 5/065 | . . . | {with mechanical coupling to the indicating device} [2013-01] |
G01P 5/07 | . . . | with electrical coupling to the indicating device [2013-01] |
G01P 5/08 | . | by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect [2013-01] |
G01P 5/083 | . . | {by using electronic circuits for measuring the dynamoelectric effect} [2013-01] |
G01P 5/086 | . . | {by using special arrangements and constructions for measuring the dynamo-electric effect} [2013-01] |
G01P 5/10 | . | by measuring thermal variables [2013-01] |
G01P 5/12 | . . | using variation of resistance of a heated conductor [2013-01] |
G01P 5/14 | . | by measuring differences of pressure in the fluid [2013-01] |
G01P 5/16 | . . | using Pitot tubes {, e.g. Machmeter} [2017-08] |
G01P 5/165 | . . . | Arrangements or constructions of Pitot tubes [2013-01] |
G01P 5/17 | . . . | Coupling arrangements to the indicating device [2013-01] |
G01P 5/175 | . . . . |
G01P 5/18 | . | by measuring the time taken to traverse a fixed distance [2013-01] |
G01P 5/24 | . | by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave [2013-01] |
G01P 5/241 | . . | {by using reflection of acoustical waves, i.e. Doppler-effect} [2013-01] |
G01P 5/242 | . . . | {involving continuous, e.g. modulated or unmodulated, waves (G01P 5/244 takes precedence)} [2013-01] |
G01P 5/244 | . . . | {involving pulsed waves} [2013-01] |
G01P 5/245 | . . | {by measuring transit time of acoustical waves (measuring propagation velocity of acoustical waves per se G01H 5/00)} [2013-01] |
G01P 5/247 | . . . | {Sing-around-systems} [2013-01] |
G01P 5/248 | . . . | {by measuring phase differences} [2013-01] |
G01P 5/26 | . | by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave [2013-01] |
G01P 7/00 | Measuring speed by integrating acceleration (measuring travelled distance by double integration of acceleration G01C 21/16) [2013-01] |
G01P 11/00 |
G01P 11/02 | . | Measuring average speed of number of bodies, e.g. of vehicles for traffic control [2013-01] |
G01P 13/00 |
G01P 13/0006 | . | {of fluids or of granulous or powder-like substances} [2013-01] |
G01P 13/0013 | . . | {by using a solid body which is shifted by the action of the fluid} [2013-01] |
G01P 13/002 | . . . | {with electrical coupling to the indicating devices} [2013-01] |
G01P 13/0026 | . . | {by using deflection of baffle-plates} [2013-01] |
G01P 13/0033 | . . . | {with electrical coupling to the indicating device} [2013-01] |
G01P 13/004 | . . | {by using the rotation of vanes} [2013-01] |
G01P 13/0046 | . . . | {with electrical coupling to the indicating device} [2013-01] |
G01P 13/0053 | . . | {by using dynamo-electric effect} [2013-01] |
G01P 13/006 | . . | {by using thermal variables} [2013-01] |
G01P 13/0066 | . . | {by using differences of pressure in the fluid} [2013-01] |
G01P 13/0073 | . . | {by using vibrations generated by the fluid} [2013-01] |
G01P 13/008 | . | {by using a window mounted in the fluid carrying tube (G01P 13/0013, G01P 13/0026, G01P 13/004 take precedence)} [2013-01] |
G01P 13/0086 | . . | {with photo-electric detection} [2013-01] |
G01P 13/0093 | . | {by making use of products, e.g. chemical products added to the fluid in order to make the fluid flow visible} [2013-01] |
G01P 13/02 | . | Indicating direction only, e.g. by weather vane [2013-01] |
G01P 13/025 | . . | {indicating air data, i.e. flight variables of an aircraft, e.g. angle of attack, side slip, shear, yaw} [2013-01] |
G01P 13/04 | . . | Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement [2013-01] |
G01P 13/045 | . . . | {with speed indication} [2013-01] |
G01P 15/00 | Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration [2013-01] |
G01P 15/001 | . | {by measuring acceleration changes by making use of a triple differentiation of a displacement signal} [2013-01] |
G01P 15/003 | . | {Kinematic accelerometers, i.e. measuring acceleration in relation to an external reference frame, e.g. Ferratis accelerometers (G01P 15/001, G01P 15/16, G01P 15/165 take precedence)} [2013-01] |
G01P 15/005 | . . | {measuring translational acceleration} [2013-01] |
G01P 15/006 | . | {by making use of fluid seismic masses} [2013-01] |
G01P 15/02 | . |
G01P 15/03 | . . | by using non-electrical means [2013-01] |
G01P 15/032 | . . . | {by measuring the displacement of a movable inertial mass} [2013-01] |
G01P 15/034 | . . . . | {for indicating angular accelerations (G01P 15/036 takes precedence)} [2013-01] |
G01P 15/036 | . . . . | {for indicating predetermined acceleration values} [2013-01] |
G01P 15/038 | . . . | {by using fluidic means} [2013-01] |
G01P 15/04 | . . | for indicating maximum value [2013-01] |
G01P 15/08 | . . | with conversion into electric or magnetic values [2013-01] |
G01P 15/0802 | . . . | {Details} [2013-01] |
G01P 2015/0805 | . . . | {being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration} [2013-01] |
G01P 2015/0808 | . . . . | {for defining in-plane movement of the mass, i.e. movement of the mass in the plane of the substrate} [2013-01] |
G01P 2015/0811 | . . . . . | {for one single degree of freedom of movement of the mass} [2013-01] |
G01P 2015/0814 | . . . . . . | {for translational movement of the mass, e.g. shuttle type} [2013-01] |
G01P 2015/0817 | . . . . . . | {for pivoting movement of the mass, e.g. in-plane pendulum} [2013-01] |
G01P 2015/082 | . . . . . | {for two degrees of freedom of movement of a single mass} [2013-01] |
G01P 2015/0822 | . . . . | {for defining out-of-plane movement of the mass} [2013-01] |
G01P 2015/0825 | . . . . . | {for one single degree of freedom of movement of the mass} [2013-01] |
G01P 2015/0828 | . . . . . . | {the mass being of the paddle type being suspended at one of its longitudinal ends} [2013-01] |
G01P 2015/0831 | . . . . . . | {the mass being of the paddle type having the pivot axis between the longitudinal ends of the mass, e.g. see-saw configuration} [2013-01] |
G01P 2015/0834 | . . . . . . | {the mass constituting a pendulum having the pivot axis disposed symmetrically between the longitudinal ends, the center of mass being shifted away from the plane of the pendulum which includes the pivot axis} [2013-01] |
G01P 2015/0837 | . . . . . . | {the mass being suspended so as to only allow movement perpendicular to the plane of the substrate, i.e. z-axis sensor} [2013-01] |
G01P 2015/084 | . . . . . | {the mass being suspended at more than one of its sides, e.g. membrane-type suspension, so as to permit multi-axis movement of the mass} [2013-01] |
G01P 2015/0842 | . . . . . . | {the mass being of clover leaf shape} [2013-01] |
G01P 2015/0845 | . . . . | {using a plurality of spring-mass systems being arranged on one common planar substrate, the systems not being mechanically coupled and the sensitive direction of each system being different} [2013-01] |
G01P 2015/0848 | . . . . | {using a plurality of mechanically coupled spring-mass systems, the sensitive direction of each system being different} [2013-01] |
G01P 2015/0851 | . . . . | {using a plurality of spring-mass systems, each system having a different range of sensitivity to acceleration} [2013-01] |
G01P 2015/0854 | . . . . | {using a particular shape of the mass, e.g. annular} [2013-01] |
G01P 2015/0857 | . . . . | {using a particular shape of the suspension spring} [2013-01] |
G01P 2015/086 | . . . . . | {using a torsional suspension spring} [2013-01] |
G01P 2015/0862 | . . . | {being provided with particular means being integrated into a MEMS accelerometer structure for providing particular additional functionalities to those of a spring mass system} [2013-01] |
G01P 2015/0865 | . . . . | {using integrated signal processing circuitry} [2013-01] |
G01P 2015/0868 | . . . . | {using self-test structures integrated into the microstructure} [2013-01] |
G01P 2015/0871 | . . . . | {using stopper structures for limiting the travel of the seismic mass} [2013-01] |
G01P 2015/0874 | . . . . | {using means for preventing stiction of the seismic mass to the substrate} [2013-01] |
G01P 2015/0877 | . . . . | {using integrated interconnect structures} [2013-01] |
G01P 2015/088 | . . . . | {for providing wafer-level encapsulation} [2013-01] |
G01P 2015/0882 | . . . . | {for providing damping of vibrations} [2013-01] |
G01P 15/0885 | . . . | {by magnetostrictive pick-up} [2013-01] |
G01P 15/0888 | . . . | {for indicating angular acceleration} [2013-01] |
G01P 15/0891 | . . . | {with indication of predetermined acceleration values (G01P 15/135 takes precedence)} [2013-01] |
G01P 15/0894 | . . . | {by non-contact electron transfer, i.e. electron tunneling} [2013-01] |
G01P 15/0897 | . . . | {by thermal pick-up (G01P 15/008 takes precedence)} [2013-01] |
G01P 15/09 | . . . | by piezoelectric pick-up [2023-08] |
G01P 15/0907 | . . . . | {of the compression mode type} [2013-01] |
G01P 15/0915 | . . . . | {of the shear mode type} [2013-01] |
G01P 15/0922 | . . . . | {of the bending or flexing mode type} [2013-01] |
G01P 15/093 | . . . | by photoelectric pick-up [2017-08] |
G01P 15/097 | . . . | by vibratory elements [2013-01] |
G01P 15/0975 | . . . . | {by acoustic surface wave resonators or delay lines} [2013-01] |
G01P 15/10 | . . . . | by vibratory strings [2013-01] |
G01P 15/105 | . . . | by magnetically sensitive devices [2013-01] |
G01P 15/11 | . . . | by inductive pick-up [2013-01] |
G01P 15/12 | . . . |
G01P 15/121 | . . . . | {by potentiometers} [2013-01] |
G01P 15/122 | . . . . | {by metal resistance strain gauges, e.g. wire resistance strain gauges} [2013-01] |
G01P 15/123 | . . . . | {by piezo-resistive elements, e.g. semiconductor strain gauges} [2013-01] |
G01P 15/124 | . . . . | {by semiconductor devices comprising at least one PN junction, e.g. transistors} [2013-01] |
G01P 15/125 | . . . | by capacitive pick-up [2013-01] |
G01P 15/13 | . . . | by measuring the force required to restore a proofmass subjected to inertial forces to a null position [2013-01] |
G01P 15/131 | . . . . | {with electrostatic counterbalancing means} [2013-01] |
G01P 15/132 | . . . . | {with electromagnetic counterbalancing means} [2013-01] |
G01P 15/133 | . . . . | {with piezoelectric counterbalancing means} [2023-08] |
G01P 15/135 | . . . | by making use of contacts which are actuated by a movable inertial mass [2013-01] |
G01P 15/14 | . |
G01P 15/16 | . | by evaluating the time-derivative of a measured speed signal [2013-01] |
G01P 15/165 | . . | {for measuring angular accelerations} [2013-01] |
G01P 15/18 | . | in two or more dimensions [2013-01] |
G01P 21/00 | Testing or calibrating of apparatus or devices covered by the preceding groups [2017-08] |
G01P 21/02 | . | of speedometers [2013-01] |
G01P 21/025 | . . | {for measuring speed of fluids; for measuring speed of bodies relative to fluids (for measuring volume flow G01F 25/10)} [2022-01] |