| Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542) |
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| 04/25/1978 | US4086519 Hall effect shaft angle position encoder |
| 04/18/1978 | US4085373 Frequency-to-voltage transducer for speed governor systems or the like |
| 04/18/1978 | US4085349 Piezo electric transducer for measuring instantaneous vibration velocity |
| 04/11/1978 | US4084133 Method of and apparatus for determining the direction of the mutual temporal shift of at least two similar stochastic signals |
| 04/11/1978 | US4083423 Vehicle road speed signal source |
| 03/28/1978 | US4081694 Circuit for detecting the occurrence of a predetermined input frequency |
| 03/28/1978 | US4080940 Engine control |
| 03/21/1978 | US4079905 System for providing an indication of wind shear |
| 03/14/1978 | US4079323 Method and apparatus for coupling a moving-object sensor to direction-sensitive data utilization apparatus |
| 03/07/1978 | US4078185 Measuring sensing device |
| 02/28/1978 | US4076999 Circuit for limiting the spindle speed of a machine |
| 02/28/1978 | US4076330 Detecting apparatus for a lock prevention system for detecting wear of vehicle brakes |
| 02/28/1978 | US4075893 Radially moving trigger mechanism and transmission overspeed inhibitor using same |
| 02/21/1978 | US4075562 Speed sensor mounting for a gas turbine |
| 02/21/1978 | US4075520 Wheel speed sensor |
| 02/21/1978 | US4074579 Device for detecting differences in angular positions of two shafts rotating in opposite directions |
| 02/14/1978 | US4074339 Method and apparatus for measuring the speed of a rotating shaft |
| 02/14/1978 | US4074196 Speedometer and odometer apparatus |
| 02/14/1978 | US4074157 Permanent magnet A.C. signal generator |
| 02/07/1978 | US4072364 Compensating circuit arrangement in a wheel anti-skid brake control system to obtain corresponding measured values of the duration of the half cycle alternations of a wheel generated voltage |
| 01/31/1978 | US4071897 Power plant speed channel selection system |
| 01/31/1978 | US4071892 Bicycle and information-producing assembly carried thereby |
| 01/31/1978 | US4071792 Engine ignition timing signal generator having a reduced number of permanent magnets |
| 01/31/1978 | US4070901 Speedometer and ratio testing apparatus |
| 01/31/1978 | US4070883 System and assembly for measuring the movement of strip and hot strip mill |
| 01/17/1978 | US4069435 Device for detecting relative motions in a bearing |
| 01/03/1978 | USRE29509 Wheel speed sensor for an adaptive braking system |
| 01/03/1978 | US4066961 Speed sensing |
| 01/03/1978 | US4066876 Digital speed control system |
| 01/03/1978 | US4066874 Digital speed control system |
| 01/03/1978 | US4066300 Digital traction control system |
| 01/03/1978 | US4065975 Apparatus for measuring the slip of locomotive wheels and preventing sliding thereof |
| 12/27/1977 | US4065708 Method and apparatus for determining stepping motor parameters from induced voltages |
| 12/13/1977 | US4063142 Servo system for trip recorder |
| 12/13/1977 | US4063107 Method and apparatus for producing interference-free pulses |
| 12/06/1977 | US4061938 Device for generating electrical pulses in response to shaft rotation |
| 12/06/1977 | US4061213 Brake disc adapter for use with anti-skid system |
| 12/06/1977 | US4061040 Apparatus for measuring rotation rates with acoustic waves |
| 12/06/1977 | US4061028 Aircraft total energy sensor |
| 11/22/1977 | US4059799 Tachometer apparatus |
| 11/15/1977 | US4058844 Low-mass short-stroke voice-coil actuator for integrated disk file module |
| 11/08/1977 | US4057806 Apparatus for analyzing movements of an animate or inanimate object |
| 11/01/1977 | US4056817 System for monitoring a periodic function |
| 11/01/1977 | US4056778 Digital tachometer |
| 11/01/1977 | US4056748 Magnetic speed pickup |
| 11/01/1977 | US4056747 Speed sensor |
| 11/01/1977 | US4056287 Circuit arrangement for producing a digital speed signal corresponding to the angular velocity of a wheel from the half cycle duration of the sinusoidal waveform generated by the wheel |
| 11/01/1977 | US4056157 Electronic speed control system for automotive vehicles |
| 11/01/1977 | US4055998 Waveform count of teeth on an internal combustion engine flywheel |
| 11/01/1977 | US4055993 Sub-cyclic measurement of speed of an internal combustion engine |
| 10/18/1977 | US4054764 Speed responsive switching device |
| 10/11/1977 | US4053826 Apparatus for detection of rotational angle and number of rotations of a rotary body |
| 10/04/1977 | US4052676 Digital-analog frequency error signaling |
| 10/04/1977 | US4051818 Device for obtaining signals for the control unit of an electronic fuel injection system |
| 09/27/1977 | US4051434 Digital frequency measuring circuitry |
| 09/27/1977 | US4050747 Digital wheel speed circuit arranged to compensate for dimensional irregularities of sensor rotor member |
| 09/20/1977 | US4049986 Rotational speed to impulse frequency converter |
| 09/20/1977 | US4049984 Electric motor |
| 09/13/1977 | US4047766 Digital phase-locked loop for speed measurement, in particular for use in antiskid control systems |
| 09/13/1977 | US4047442 Apparatus for adjusting the rotational speed of a drive mechanism |
| 09/06/1977 | US4047106 Motor speed sensor |
| 09/06/1977 | US4047047 Pulse generator |
| 08/30/1977 | US4045738 Variable reluctance speed sensor of integral construction utilizing a shielded high coercive force rare earth magnet positioned directly adjacent the sensing rotating element |
| 08/30/1977 | US4044634 Installation for automatic shifting of change-speed gears |
| 08/23/1977 | US4044235 Method and apparatus for determining smooth running operation in an internal combustion engine |
| 08/16/1977 | US4042834 Frequency doubler circuit |
| 08/09/1977 | US4041371 Arrangement for the generation of electrical signals by means of magnetic field-dependent semiconductor components |
| 08/09/1977 | US4040741 Polarized grating optical odometer |
| 08/02/1977 | US4039946 Tachometer |
| 08/02/1977 | US4039936 Interleaved magnetoresistive displacement transducers |
| 08/02/1977 | US4039781 Circuit arrangement for protective couplings |
| 07/26/1977 | US4037690 Sensor module bracket |
| 07/19/1977 | US4037157 Electro-optical speed transducer |
| 07/19/1977 | US4036557 Laser doppler velocimeter |
| 07/05/1977 | US4034275 Optical control system for elevators |
| 06/28/1977 | US4032792 Automotive starter lockout system |
| 06/28/1977 | US4032758 Compensated vehicle heading system |
| 06/21/1977 | US4031510 Speed detection system for automobiles and other motor-driven objects |
| 06/21/1977 | US4031509 Locked axle detector for a multi-axled traction vehicle |
| 06/21/1977 | US4031466 Digital photo-optical tachometer |
| 06/21/1977 | US4031441 Optical encoder |
| 06/21/1977 | US4031373 Velocity computing chronograph |
| 06/14/1977 | US4029180 Tubular wheel speed sensor for an anti-skid system |
| 06/07/1977 | US4028686 Digital detector |
| 06/07/1977 | US4027753 In-axle vehicle wheel speed sensing device |
| 05/31/1977 | US4027232 Device for monitoring the travel of a yarn like structure utilizing the frictional electricity involved with said travel |
| 05/31/1977 | US4027182 Rate independent pulse generator |
| 05/31/1977 | US4026655 Pseudo-backscatter laser doppler velocimeter employing antiparallel-reflector in the forward direction |
| 05/24/1977 | US4025934 Method and device for determining a value corresponding to the number of revolutions or the angle of rotation of an axle |
| 05/24/1977 | US4025868 Frequency digital converter |
| 05/24/1977 | US4025832 Electronic slip detector circuit |
| 05/24/1977 | US4025819 Motion detecting signal source |
| 05/24/1977 | US4025808 Commutating machine with integral speed control |
| 05/24/1977 | US4025797 Apparatus for detecting the movement of one or more objects |
| 05/17/1977 | US4024473 Stroboscopic device |
| 05/17/1977 | US4024458 Electrical signal generating system |
| 05/03/1977 | US4021728 Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source |
| 05/03/1977 | US4021681 Resonant sensor using a phase locked loop detector |
| 05/03/1977 | US4020700 Unitary fluidic angular rate sensor |
| 05/03/1977 | US4020699 Temperature stabilized fluidic angular rate sensor |