Patents
Patents for G01P 13 - Indicating or recording presence or absence of movement; Indicating or recording of direction of movement (5,618)
08/1983
08/24/1983EP0086323A2 Motion detector
07/1983
07/27/1983EP0084445A2 Method and apparatus for sensing clogged nozzle
07/19/1983US4393709 Direction detection apparatus
07/05/1983US4391137 Groundwater flow meter
06/1983
06/28/1983US4390760 Conductivity type in-line liquid sensing apparatus
06/21/1983US4388900 Automatic stopping device for diesel engine
06/08/1983EP0080639A1 Method of generating a speed-proportional voltage, and circuit arrangement for applying the method
06/01/1983EP0080055A2 Electromagnetic displacement sensor
05/1983
05/24/1983CA1146771A1 Direction sensitive flow velocity meter and sensing plate to be used on it
05/17/1983US4384270 Turn indicator system for use in automobiles
05/17/1983US4384039 Method for recording local boundary-layer flow-line directions in liquid media
05/03/1983US4382230 Movement sensor with plate forming single turn coils
05/03/1983US4382202 Piezoelectric loading device
05/03/1983CA1145828A1 Sensing transducer
04/1983
04/27/1983EP0077403A1 Speed detecting device
04/20/1983EP0076989A2 Flow indicator for hydraulic installations
04/19/1983US4380170 Use of uncompacted, coated, anodically oxidized aluminum surfaces
04/05/1983US4379221 Circuit for detecting phase relationship between two signals
04/05/1983US4378696 Pressure sensor for determining airspeed altitude and angle of attack
03/1983
03/22/1983US4377090 Through-flow monitor for liquid or gaseous media
03/16/1983EP0074267A1 Gas flow responsive signal output means
03/15/1983CA1143031A1 Corn and soybean sensor
03/09/1983EP0073644A2 An electronic identification method and means
03/08/1983CA1142345A1 Relatively moving photodiode sensed diffraction grating-type measuring device
02/1983
02/16/1983EP0071866A1 Apparatus for generating a voltage proportional to the direction and speed of rotation of a D.C. drive
02/16/1983EP0071848A1 Apparatus for generating a voltage corresponding to the direction and speed of rotation of a D.C. drive
02/15/1983US4373386 Direction sensitive flow velocity meter and sensing plate to be used on it
02/09/1983EP0071501A1 Limited rotation clutch for connecting to a drive shaft an auxiliary control means with two positions determined by the shaft rotation
02/08/1983US4372685 Method and arrangement for the measurement of rotations
02/08/1983US4372192 First motion detector
02/08/1983US4372150 Flow monitoring method and apparatus
02/08/1983CA1140993A1 Method and apparatus for the detection of stagnant regions in a fluidized bed or in pneumatic conveying lines
02/01/1983CA1140657A1 Method and apparatus for electro-pneumatic control of a stitching machine
01/1983
01/25/1983US4370614 Speed and direction detector
01/20/1983WO1983000218A1 Motion responsive sensor and switch
01/18/1983US4369405 Rotational position detecting apparatus
01/11/1983US4368393 Rotational direction sensor
01/04/1983US4366718 Bi-directional flow transducer
01/04/1983US4366705 Throttle opening detector for internal combustion engine
12/1982
12/28/1982US4365515 Ultrasonic sensing
12/08/1982EP0065998A1 Pulse detection circuit
11/1982
11/30/1982US4361644 Method for recording flow boundary layers in liquid media
11/30/1982US4361041 Non-intrusive ultrasonic liquid-in-line detector for small diameter tubes
11/24/1982EP0065159A2 Motion detector for space supervision
11/24/1982EP0065155A2 Method and arrangement to determine and indicate failures in the cooling system in a fuel element of a reactor core
11/23/1982CA1136243A1 Rotational direction detection device for a motor or the like
11/16/1982US4359281 Method and apparatus for testing the braking efficiency of machines
11/10/1982EP0064134A1 Frequency voltage converter for a digital tachometer
11/02/1982US4357603 Method and apparatus for acoustically monitoring the flow of suspended solid particulate matter
10/1982
10/28/1982WO1982003692A1 Speed detecting device
10/28/1982WO1982003691A1 Speed and direction sensing circuit
10/20/1982EP0062698A2 Evaluation circuit for a digital rotational speed transducer
10/19/1982US4355364 Velocity sensing system
09/1982
09/28/1982US4351188 Method and apparatus for remote measurement of wind direction and speed in the atmosphere
09/28/1982CA1132483A1 Electronic descaling apparatus with liquid flow detector
09/22/1982EP0060464A1 Method of recording local boundary layer streamline directions in liquid mediums
09/21/1982US4350050 Flow transducer
09/14/1982US4349734 Flow detector for solids
09/08/1982EP0059663A1 Apparatus for monitoring the circulation of a fluid
09/07/1982US4348753 Electro-mechanical pulse generator
09/07/1982US4348752 Electronic watch with movable detecting member
09/07/1982US4347738 Oceanographic transducer
09/02/1982WO1982002944A1 Pressure sensor for determining airspeed,altitude and angle of attack
08/1982
08/24/1982US4346166 Method of making families of steady-state heat transfer coefficient curves visible by photochemical means
08/18/1982EP0057927A2 Flowmeter
08/04/1982EP0057004A1 Flow measuring device
08/03/1982US4342912 Apparatus for detecting air disturbances created by low level wind shear
08/03/1982US4342279 Device for detecting steering angle and direction
08/03/1982US4342226 Turn indicator for ships or aircraft
07/1982
07/27/1982US4341116 Liquid absence detector
07/27/1982CA1128661A1 System for providing an indication of wind shear
07/20/1982US4340310 Control mechanism for a grain bin stirring apparatus
07/06/1982US4338568 Method and device for detection of a substance
07/06/1982US4338565 Method and apparatus for measuring the movement of a spiral wound wire rope
07/06/1982US4338520 Method of and apparatus for analyzing gas flows inside hollow bodies
07/06/1982CA1127264A1 Device giving an electrical signal proportional to a momentum
06/1982
06/29/1982US4337426 Stabilized servo motor positioning apparatus
06/29/1982CA1126837A1 Fail safe redundant drive shaft apparatus including electrically operative failure detection
06/22/1982CA1126096A1 Apparent wind indication device
06/16/1982EP0053613A1 Method and apparatus for monitoring movement
06/15/1982US4334777 Method of monitoring motion
06/15/1982US4334430 Device for metering the angular position of a direction indicator
06/08/1982US4334222 Optical selector switch and display apparatus
06/08/1982US4334189 Operation supervisory apparatus of canned motor
05/1982
05/25/1982US4331917 Speed and direction sensing circuit
05/25/1982CA1124370A1 Airplane angle of attack and direction of flight indicator
05/11/1982US4329634 Motion sensing apparatus
05/04/1982US4328453 Motion sensing apparatus
04/1982
04/27/1982CA1122673A1 Rotational direction indicating apparatus
04/13/1982USRE30900 Fluid current meter
04/13/1982US4325014 Automatic control unit for a wind-following rotor
04/07/1982EP0048983A2 Rotation detecting means for a rotating body
03/1982
03/24/1982EP0048208A1 Electric-pulse generator, in particular for numerical displays
03/10/1982EP0046766A1 Device for registration of motions or positions of a body or a body portion
03/09/1982US4319151 Pulse generator
02/1982
02/09/1982US4314477 Sailboat wind direction indicator
02/02/1982US4314241 Coal pipe monitor
01/1982
01/27/1982EP0044749A1 Movement responsive apparatus
01/26/1982US4313111 Nozzle condition monitor
01/26/1982CA1116942A1 Flow responsive device
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