| Patents for G01P 13 - Indicating or recording presence or absence of movement; Indicating or recording of direction of movement (5,618) |
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| 10/06/1994 | DE4321876C1 Method and device for generating a graphical real-time item of directional information for detected object tracks |
| 10/05/1994 | CN1026157C Equipment for measurement of speed elevator |
| 10/04/1994 | US5352887 Circuit for detecting a droplet in motion and method therefor |
| 09/29/1994 | WO1994022022A2 Anemometer transducer wind set |
| 09/29/1994 | CA2158282A1 Anemometer transducer wind set |
| 09/28/1994 | EP0617290A1 Switch activated by a movement sensor |
| 09/27/1994 | US5349852 Pump controller using acoustic spectral analysis |
| 09/21/1994 | EP0616220A1 Apparatus for determining fluid flow velocity and direction |
| 09/21/1994 | EP0615654A1 Fiber optical monitor for detecting motion based on changes in speckle patterns |
| 09/20/1994 | US5349183 Diffraction grating rotary speed sensor having a circumferentially variable pitch diffraction grating |
| 09/15/1994 | WO1994020021A2 Ultrasonic monitor |
| 09/06/1994 | US5345171 Apparatus including a selectively connectable isolation transformer for determining the speed and direction of a rotating object |
| 09/06/1994 | US5343826 Fluid indicator assemblies for sight flow apparatus |
| 09/06/1994 | US5343763 Flow indicator impeller module |
| 08/30/1994 | US5341675 Assembly for identifying the direction of power in the case of torque transmission |
| 08/30/1994 | CA1331693C Air flow direction sensor equipped with an electromagnetic damping device |
| 08/25/1994 | DE4305674A1 Method and device for measuring the air mass of a flowing pulsating medium |
| 08/17/1994 | EP0611107A2 Rotor movement sensing system |
| 08/09/1994 | CA2114738A1 Rotor movement sensing system |
| 08/04/1994 | DE4402319A1 Measurement system for relative movement of oppositely movable bodies |
| 08/03/1994 | EP0608948A2 Activity monitors |
| 08/03/1994 | EP0608724A2 Device for checking the movement of moving objects |
| 08/03/1994 | EP0608494A2 Rotation detector, particularly for a volume measuring device |
| 07/21/1994 | WO1994015832A1 Aerodynamic pressure sensor systems |
| 07/21/1994 | CA2131638A1 Aerodynamic pressure sensor systems |
| 07/19/1994 | US5329929 Ultrasonic diagnostic apparatus |
| 07/13/1994 | EP0605591A1 Apparatus for monitoring |
| 07/05/1994 | US5327232 Method and apparatus for detecting motion vectors |
| 06/29/1994 | EP0603506A2 Method for position determination of vehicle parts driven in two directions by an electromotor |
| 06/28/1994 | US5323649 Airport wind direction and velocity indicator |
| 06/23/1994 | WO1994014075A1 Deployable probe combined with flush static port |
| 06/23/1994 | DE4341239A1 Safety measurement probe for observation of a flowing medium |
| 06/21/1994 | US5323015 Directional movement sensor using three light sensing elements and differential amplifiers |
| 06/16/1994 | DE4241764A1 Hydraulic circuit for automatic repetitive operation of hydraulic cylinder - has direction control valve with cylinder stroke end detector for valve changeover control |
| 06/14/1994 | US5319967 Wind speed indicator |
| 05/31/1994 | US5316035 Capacitive proximity monitoring device for corrosive atmosphere environment |
| 05/31/1994 | CA2044293C Anemometer |
| 05/26/1994 | WO1994011845A1 Device and method for determining movement of a surface |
| 05/26/1994 | DE4308877C1 Flow velocity and flow direction measuring device - uses temp. dependent resistance between entry and exit openings of different flow cross-section |
| 05/26/1994 | DE4239091A1 Inductive determn. of direction of rotation of reversible shaft - using magnetic poles and teeth of rotating wheel dimensioned to generate bipolar signal with doubled frequency of positive pulses |
| 05/25/1994 | CN1087175A Method of determining the direction or rotation of a member |
| 05/24/1994 | US5315244 Magnetic sensor with laminated field concentrating flux bar |
| 05/11/1994 | DE4237669A1 Contact appts. for gear lever to indicate position - has two swivelling parts between head and lever with end stops to limit travel, elastomeric lever resetting ring and contacts at end positions. |
| 05/10/1994 | US5311432 Method and system for estimating the neutral point of a steering wheel |
| 05/10/1994 | US5310449 Process of making a solid state microanemometer |
| 05/10/1994 | US5309758 Steering angle sensor for automobile |
| 04/27/1994 | EP0593933A1 Device for detecting the movement of a movable part |
| 04/27/1994 | EP0593925A1 Device for detecting the movement of a movable part |
| 04/26/1994 | US5305753 Method and apparatus for determining the velocity of a flowing liquid |
| 04/21/1994 | DE4233549A1 Detecting RPM and rotation direction of rotary drive, e.g. window lifter of motor vehicle - using signal generating or altering element connected to rotary drive and supplying detecting sensor and electronic evaluation unit |
| 04/19/1994 | US5304814 Sensor circuit and method for detecting the presence of a substance such as ink ejected from a thermal ink ejecting print head, or the like |
| 04/13/1994 | EP0592088A1 Encoding device |
| 04/12/1994 | CA1328376C Low-flow alarm system for powered air-purifying respirator |
| 04/07/1994 | DE4239523C1 Movement pulse generator for motor control e.g. by shaft + - has direction sensitive operation and thyristor latching circuit |
| 04/06/1994 | EP0590448A1 Method for calibrating a calorimetric fluid flow monitor |
| 04/06/1994 | CN1084974A Sensor for sensoring move direction |
| 04/06/1994 | CN1084973A Sensor for sensoring move state |
| 04/06/1994 | CN1084972A Sensor for sensoring move stop |
| 04/06/1994 | CN1084971A Double-working position identify sensor |
| 04/05/1994 | US5299594 Liquid flow rate detector |
| 04/05/1994 | US5299455 Method and instrumentation system for measuring airspeed and flow angle |
| 03/31/1994 | DE4301966C1 Rotation detector, esp. for vol. measurement device - contains rotor with constant electromagnetic damping and variable damping region, associated sensors |
| 03/31/1994 | DE4232864A1 Rotation angle, revolution rate and rotation direction measurement - using analogue and digital encoder with differentiation and integration of signals. |
| 03/29/1994 | US5297945 Pump for viscous fluids |
| 03/29/1994 | US5297429 For viewing the contents of a production process |
| 03/29/1994 | US5297421 Leak detection system for gas, steam or the like that involves multi-point sampling |
| 03/24/1994 | DE4231026A1 Testing of electric motors with motor housing for reception of stator and motor shaft - detecting deflection of support when electric motor is switched on and determining deflection speed and acceleration |
| 03/23/1994 | EP0395671B1 Compact air data sensor |
| 03/17/1994 | WO1994006023A1 Method and device for detecting the passage of luminous objects such as molten metal, and use such device |
| 03/16/1994 | EP0447475B1 Optoelectronic sensing device |
| 03/15/1994 | US5294978 Visualization techniques for temporally acquired sequences of images |
| 03/08/1994 | US5291892 Ultrasonic flow imaging |
| 03/05/1994 | CA2077596A1 Vehicle safety device |
| 03/02/1994 | EP0584518A1 Induction-type motion sensor |
| 03/01/1994 | US5291182 Fluid flow direction detector |
| 03/01/1994 | US5291013 Fiber optical monitor for detecting normal breathing and heartbeat motion based on changes in speckle patterns |
| 02/23/1994 | EP0583930A1 Control device for a power steering motor |
| 02/17/1994 | WO1994003816A1 Fluid indicator assemblies for sight flow apparatus |
| 02/16/1994 | EP0313660B1 Air stream visualization apparatus |
| 02/02/1994 | EP0581470A1 Method of determining the direction of rotation of a member |
| 01/28/1994 | CA2100226A1 Method of determining the direction of rotation of a member |
| 01/20/1994 | DE4223385A1 Detecting reverse motion of motor vehicle for brake control system - measuring yaw rate, vehicle speed, wheel state and steering angle and using given equations to derive forward or reverse motion signals |
| 01/12/1994 | EP0578029A1 Sensor for measuring the speed of a fluid medium in a laboratory extraction system |
| 01/11/1994 | USRE34501 Sensor and method for ullage level and flow detection |
| 01/11/1994 | US5278414 Optical motion and angular position sensing method and sensor |
| 01/05/1994 | DE4221424A1 DC electric motor with rotor position, revolution rate and=or rotation direction detector - has magnetic field sensitive element with compensation for unwanted core current field components |
| 01/04/1994 | US5276722 Absolute multi-revolution encoder |
| 01/04/1994 | CA1325733C Compact air data sensor |
| 12/28/1993 | US5272915 Airflow sensing system |
| 12/23/1993 | WO1993025467A1 Fuel flow indicator |
| 12/23/1993 | DE4220508A1 System for detecting persons in access regions - has motion sensitive detector arrangement with passive IR detector, evaluation circuit driving counter with directional balancing, thermal detector and logic circuit correcting direction-dependent person count |
| 12/16/1993 | CA2098345A1 Flow indicator impeller module |
| 12/15/1993 | EP0574121A1 Fuel flow indicator |
| 12/15/1993 | EP0574022A2 Movement actuator/sensor systems |
| 12/09/1993 | WO1993022630A3 Device for testing the operability of a system for detecting heat-radiating particles carried in a particle stream |
| 12/09/1993 | DE4235809C1 Vehicle sensor system for detecting surface water on road - uses base-plate with acceleration sensor at rear detecting impact of surface water thrown up by adjacent vehicle wheel |
| 12/08/1993 | EP0573202A1 Nuclear fuel rod end plug pressurization hole inspection apparatus |
| 12/08/1993 | EP0572796A1 Rotatable coder |
| 12/07/1993 | CA1324899C Rotation detection or speed pickup device for miniature d-c motor |
| 11/30/1993 | US5267166 Vehicle travel direction estimating device |