Patents
Sitemap › G01 - Measuring; Testing › G01P - Measuring linear or angular speed, acceleration, deceleration or shock; Indicating presence or absence of movement; indicating direction of movement › G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds
Patents for G01P 3 - Measuring linear or angular speed; Measuring differences of linear or angular speeds (19,542)
04/1982
04/07/1982EP0048983A2 Rotation detecting means for a rotating body
04/07/1982EP0048858A1 Signal processing device for electron beam measuring apparatus
04/06/1982US4323976 Electronic device for taking the speed of a rotating member
04/06/1982US4323310 Fiber optic rotation sensing interferometer
04/01/1982WO1982001074A1 D.c.generator type non-contact speed sensing device
04/01/1982WO1982001073A1 D.c.generator type non-contact speed sensing device
03/1982
03/31/1982EP0048459A1 Electric type speed meter
03/30/1982US4322809 Method and apparatus for generating nose wheel speed signals
03/30/1982US4322712 Elevator speed detecting apparatus
03/30/1982US4322642 Frequency discriminating circuit
03/29/1982EP0040191A4 Multiple sensing device.
03/23/1982US4321600 Removable lamp housing for optical encoder
03/23/1982US4321547 Electronic discrimination circuitry for the highest frequency of a plurality of input signals
03/23/1982US4321516 Apparatus for driving spindles of machine tools with induction motors
03/23/1982US4321495 Rotary pulse generator
03/16/1982US4320415 Method of and apparatus for measuring electrophoretic mobility of cells
03/16/1982US4320381 Gear ratio indicator
03/09/1982US4319218 Negative climb after take-off warning system with configuration warning means
03/09/1982US4319188 Magnetic rotary encoder for detection of incremental angular displacement
03/09/1982US4319151 Pulse generator
03/09/1982US4319134 Optical encoder
03/09/1982CA1119691A1 Shaped notch/lobe wheel for crankshaft position sensor
03/02/1982US4318018 Rotary pulse generator
03/02/1982US4318010 Apparatus for producing square shaped pulses from a generally sinusoidally shaped signal
03/02/1982CA1119301A1 Variometer
02/1982
02/23/1982US4317077 Transducer for measuring the velocity or displacement or both of ferromagnetic material
02/23/1982US4317032 Pulse generator for variable-speed drives
02/16/1982US4316144 Integral mechanical and electrical vehicle speed sensor
02/16/1982US4316143 Speed deviation detector for servo controlled disc mastering turntable
02/16/1982US4316110 Signal generating device
02/10/1982EP0045649A2 Speed detector for sewing machines
02/09/1982US4315198 Digital servo system
02/09/1982US4314532 Method and apparatus for translating frequency of mechanical movement into a pneumatic signal
02/02/1982USRE30858 Ignition systems for internal combustion engines
02/02/1982US4314153 Optical velocity responsive apparatus and arrangements
01/1982
01/27/1982EP0044749A1 Movement responsive apparatus
01/26/1982US4313058 LED Light source device for a pulse encoder
01/26/1982US4312592 Method and device for the measurement of linear speeds without contact and without marking
01/19/1982US4311383 Method for determination of velocity and direction of motion of moving object by speckle patterns and apparatus therefor
01/19/1982CA1116726A1 Self-regulating electronic tachometer
01/19/1982CA1116715A1 Synchronization detecting and indicating system
01/13/1982EP0043671A1 A timing system
01/12/1982USRE30847 Tubular wheel speed sensor
01/12/1982CA1116269A1 Tachometer system
01/05/1982US4309628 Pulse generation by changing magnetic field
01/05/1982US4309104 Aircraft velocity-altitude measuring means
01/05/1982CA1115844A1 Apparatus for controlling an odometer and speedometer system of a vehicle
12/1981
12/30/1981EP0042691A1 Digital indication type speedometer
12/30/1981EP0042546A1 Speed measuring system, especially for road vehicles
12/29/1981US4308501 Digital peak sensor
12/29/1981CA1115375A1 Signal conditioning circuit for magnetic sensing means
12/24/1981WO1981003708A1 Measurement of speed and/or length
12/22/1981US4306462 System for measuring torque and speed of rotating shaft
12/16/1981EP0041765A1 Method and apparatus for detecting optical signals under ambient light conditions
12/15/1981US4305293 Angular rate sensor with symmetrical diaphragm impulse pump assembly
12/15/1981CA1114486A1 Thermic timing mechanism
12/09/1981EP0041437A1 Method and device for the differentiation of an electric analogous signal
12/01/1981CA1113583A1 Engine speed indicator
12/01/1981CA1113580A1 Displacement current sensor
11/1981
11/25/1981EP0040359A2 Method and device for measuring an angle
11/25/1981EP0040191A1 Multiple sensing device.
11/25/1981EP0026218A4 Modified slowdown and braking of an elevator car.
11/18/1981EP0039900A2 Method and apparatus for angular rate measurement of a rotating body
11/10/1981US4300093 Device for measuring the amount of rotation of a rotating object
11/04/1981EP0039260A1 Circuit for measuring the angular position of a rotatable device with provision for fault detection
11/03/1981US4298940 Slipping detector system for vehicles
10/1981
10/29/1981WO1981003073A1 Process and apparatus for measurement of physical parameters of moving matter by means of coherent light source,by heterodyne detection of light reflected or scattered by moving matter
10/28/1981EP0038606A1 Method and apparatus for generating nose wheel speed signals
10/27/1981EP0029846A4 Digital velocity servo.
10/20/1981US4295373 Fluidic angular rate sensor with integrated impulse jet pump assembly
10/14/1981EP0037795A2 Angular rate sensor with symmetrical diaphragm impulse pump assembly
10/14/1981EP0037794A1 Angular rate sensor with integrated impulse jet pump assembly
10/14/1981EP0037757A1 Support device for the positioning of a sensor
10/14/1981EP0037657A1 A rotating speed detecting device of a rotary type electrostatic spray painting device
10/13/1981CA1110762A1 Rotational speed indicating apparatus
10/13/1981CA1110739A1 Acceleration monitoring system for protecting gas turbine against demaging operation at resonant speeds
10/06/1981US4293814 Crankshaft position sensor circuitry for providing stable cyclical output signals without regard to peak to peak variations in sensor signals
09/1981
09/29/1981US4292671 Digital altimeter computer
09/29/1981US4292670 Diagnosis of engine power and compression balance
09/29/1981US4291984 Optical amplification for the fiber interferometer gyro
09/29/1981CA1109695A1 Apparatus for detecting revolutions of an internal combustion engine
09/22/1981US4290693 Arrangement for measuring the range or speed of an object
09/16/1981EP0035802A1 Apparatus for measuring the initial velocity V nill of a projectile fired by a weapon
09/15/1981US4289960 Artillery training rounds target scoring system
09/15/1981US4289956 Time-period comparing device
09/15/1981US4289722 Method of potting magnetic speed pickups
09/09/1981EP0035286A1 Initial velocity measurement apparatus for a projectile fired by a cannon
09/08/1981US4288746 Measuring sensor
09/08/1981US4288731 Average value tachometer for a disc drive servo and the like
09/08/1981CA1108729A1 Method and apparatus for determining the velocity of a liquid stream of droplets
09/08/1981CA1108720A1 Periodic engine speed monitoring circuit utilizing sampling circuitry
09/02/1981EP0034839A1 Apparatus for monitoring transducers measuring the rotation of a wheel
09/02/1981EP0034821A1 Pulse generation by changing magnetic field
09/01/1981US4286872 Optical correlator
08/1981
08/20/1981WO1981002345A1 Velocity sensing system
08/19/1981EP0033800A2 Motion sensing system
08/18/1981US4284350 Laser geophone
08/18/1981US4284052 Sequential injector timing apparatus
08/18/1981US4283989 Doppler-type projectile velocity measurement and communication apparatus, and method
08/18/1981US4283830 Method and apparatus of monitoring the screwing home of a threaded element by a power tool
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