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 13 - Indicating or recording presence or absence of movement; Indicating or recording of direction of movement
Patents for G01P 13 - Indicating or recording presence or absence of movement; Indicating or recording of direction of movement (5,618)
01/1982
01/19/1982US4311047 Fluid presence detector
01/19/1982CA1116732A1 Optical encoder device
01/05/1982CA1115802A1 Apparatus for sensing vehicular mechanical motion
01/05/1982CA1115577A1 Method for developing residual-moisture photographs
12/1981
12/29/1981US4308500 Incremental encoder for measuring positions of objects such as rotating shafts
12/29/1981US4307605 Current meter
12/24/1981WO1981003698A1 Method and apparatus for monitoring movement
12/22/1981US4307390 Corn and soybean sensor
12/16/1981EP0041793A1 Flow monitoring method and apparatus
12/08/1981US4304124 Charging mechanisms for electrogasdynamic spectral anemometer
12/01/1981CA1113240A1 Digital tape rule
11/1981
11/24/1981CA1112954A1 Method and apparatus for indicating and adjusting the angular position of a sail
11/18/1981EP0039799A1 Motion detection device
11/03/1981US4298965 Directivity display device and method
10/1981
10/27/1981US4297586 Photo-electric digital circuit for monitoring strip loop position
10/13/1981US4295134 Liquid flow detecting device
10/13/1981US4295044 Beverage flow switch
10/07/1981EP0037192A1 Angle repeater means for converting shaft rotation into representative pulsed signals
09/1981
09/29/1981US4292630 Device for the obtaining of an electric signal which is proportional to an amount of movement and therefore capable of detecting any movement or acceleration
09/09/1981EP0035308A2 Wind direction indicator
09/09/1981EP0035208A2 Method of making visible stationary heat transfer coefficient fields by photochemical means
09/09/1981EP0035207A1 Method of recording flow boundary layers in liquids
09/01/1981US4286463 Air sock
09/01/1981US4286462 Acoustic detection of wind speed and direction at various altitudes
08/1981
08/25/1981CA1107838A1 Device for the noncontacting determination of the direction of a relative movement
08/20/1981WO1981002345A1 Velocity sensing system
08/19/1981EP0033800A2 Motion sensing system
08/18/1981US4283943 Method and apparatus for indicating and adjusting the angular position of a sail
08/11/1981US4283679 Rotational direction detection device for a motor or the like
07/1981
07/29/1981EP0032573A1 Wind direction indicator
07/14/1981CA1162612B Electrode or pole piece array for creating prescribed electric or magnetic fields
07/14/1981CA1105088A1 Electrode or pole piece array for creating prescribed electric or magnetic fields
07/07/1981US4276758 Fail safe redundant drive shaft apparatus including electrically operative failure detection means
06/1981
06/30/1981US4276161 Fuel filter provided with a water level detecting means
06/25/1981WO1981001725A1 Automatic shut-down device for diesel engines
06/23/1981US4275353 Method and apparatus for the detection of stagnant regions in a fluidized bed or in pneumatic conveying lines
06/11/1981WO1981001506A1 Device for registration of motions or positions of a body or a body portion
05/1981
05/06/1981EP0027947A1 Device for detecting the direction and speed of rotation of a rotating element
04/1981
04/28/1981US4264905 Drive belt movement detecting system
04/28/1981US4264330 Consisting of an active material and foamed plastic
04/22/1981EP0027353A1 Gaming and amusement machines
04/21/1981US4263590 Method and arrangement for the generating and processing of electrical impulses
04/14/1981CA1099386A1 Sediment particle transport detector
04/08/1981EP0026681A1 Drive shaft coupling
03/1981
03/31/1981US4259625 Rotational direction indicating apparatus
03/31/1981US4259431 Method for making stationary heat transfer coefficient fields visible by photochemical means
03/11/1981EP0024969A1 Measuring machine and method of producing displacement-indicative signals in such a machine
03/11/1981EP0024867A1 Apparatus for the detection of stagnant particles
03/10/1981US4255048 Direction sensitive laser velocimeter
03/03/1981US4253341 Water meter comprising a ferromagnetic magnetoresistor coupled to a rotatable permanent magnet
02/1981
02/24/1981US4253093 Scram signal generator
02/24/1981CA1096459A1 Automatic air-in-line fluid detector
02/11/1981EP0023801A1 Speed detectors
02/11/1981EP0023517A1 A device for metering the angular position of a direction indicator
02/10/1981US4250249 Method for developing residual-moisture photographs
01/1981
01/27/1981US4247898 Apparatus for computing the change in bearing of an object
01/21/1981EP0022507A1 Process for chemically recording boundary layer currents
01/13/1981US4244652 Ferroelectric length measuring and moving target transducer with memory
01/13/1981CA1093672A1 Ultrasonic air data system
01/07/1981EP0021494A1 Electronic clock with time indication by hands and with a rotation detecting member
12/1980
12/30/1980US4241604 Nighttime wind direction and speed indicator
12/02/1980US4236409 Device for indicating optimum sail position
11/1980
11/18/1980US4234139 Device for the detection of the state of rotation of a shaft, in particular for tape decks
11/11/1980CA1089302A1 Wind speed and direction indicator
11/11/1980CA1089242A1 Electromechanical pulse-generator
10/1980
10/29/1980EP0017752A1 Process for making visible stationary fields of heat-transition coefficients by photochemical means
10/28/1980US4230290 Airplane angle of attack and direction of flight indicator
10/21/1980US4229701 Pulse order recognition circuit
10/21/1980US4229663 Apparatus for sensing vehicular mechanical motion
10/14/1980US4228396 Electronic tachometer and combined brushless motor commutation and tachometer system
10/14/1980US4227406 Wind direction device
10/07/1980CA1087268A1 Bi-directional, self imaging grating detection apparatus
09/1980
09/30/1980US4224827 Device for watching the flowing condition of a gas in a conduit
09/23/1980US4223631 Sailing indicator
09/02/1980US4220950 Air flow sensor
09/02/1980US4220044 Wave measuring buoy
08/1980
08/19/1980US4218119 System for controlling the exposure in a camera
07/1980
07/15/1980US4213116 Vehicle turn detection apparatus
07/10/1980WO1980001416A1 A device for metering the angular position of a direction indicator
07/09/1980EP0013059A1 Method and apparatus for indicating and adjusting the angular position of a sail
07/08/1980US4212005 Movement detector
07/01/1980CA1080510A1 Airport wind shear monitoring method and apparatus
06/1980
06/17/1980US4207770 Change of direction sensing mechanism
06/11/1980EP0011956A1 Flow responsive device and utilisation thereof
06/11/1980EP0011912A2 Acoustic detection of wind speed and direction at various altitudes
06/03/1980US4206365 Optical correlator
05/1980
05/20/1980US4204271 Illuminated weather vane
05/06/1980US4201973 Airport landing indicator apparatus
04/1980
04/16/1980EP0010003A1 Apparatus for obtaining an electrical signal proportional to a number of movements and as such capable of detecting all movements or accelerations
04/16/1980EP0009597A1 Detector for monitoring the steady motion of rotary objects
04/15/1980US4197809 Flow responsive device
01/1980
01/09/1980EP0006441A2 Optical device for a position detection apparatus with a self-reflecting grid
12/1979
12/25/1979US4180703 Bi-directional, self imaging grating detection apparatus
12/18/1979US4179720 Magnetic recorded information reproducing apparatus
12/04/1979US4176953 Method and apparatus for measuring the motility of sperm cells
11/1979
11/29/1979WO1979001009A1 Airplane angle of attack and direction of flight indicator
11/20/1979US4174630 Ultrasonic anemometer
10/1979
10/02/1979CA1063525A1 Injection lubricating apparatus
09/1979
09/11/1979US4167736 Fluid flow measurement
08/1979
08/28/1979CA1061429A1 Method and apparatus for coupling a moving-object sensor to direction-sensitive data utilization apparatus
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