| Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237) | 
|---|
| 02/12/1997 | EP0758087A2 Acceleration detecting apparatus capable of eliminating unwanted drift component from acceleration sensor signal | 
| 02/11/1997 | US5602734 Automobile air bag systems | 
| 02/04/1997 | US5600066 Capacitive accelerometer with a circuit for correcting stray capacitance perturbations | 
| 01/30/1997 | WO1997002972A1 Acquisition and evaluation of measured variables which are critical for safety | 
| 01/28/1997 | US5598259 Device to simulate the flow of a fluid so as to calibrate a laser velocimetric device | 
| 01/22/1997 | EP0537347B1 Acceleration sensor having a self test feature | 
| 01/16/1997 | DE19525217A1 Erfassung und Auswertung von sicherheitskritischen Meßgrößen Collection and analysis of safety-critical process variables | 
| 01/14/1997 | US5594173 Test device for vehicles having a wheel rotation speed sensor which is sensitive to magnetic fields | 
| 01/08/1997 | EP0751888A1 Circuit for processing signals from a yaw-rate sensor | 
| 01/03/1997 | WO1997000451A1 Gravity-compensating accelerometer and method for making same | 
| 01/02/1997 | EP0750749A1 Electronic arrangement with an acceleration-sensitive sensor | 
| 12/24/1996 | US5587518 Accelerometer with a combined self-test and ground electrode | 
| 12/18/1996 | EP0748449A1 Speed sensor and conditioning circuit | 
| 12/17/1996 | CA2069214C Reconfigurable air bag firing circuit | 
| 12/10/1996 | US5583290 Micromechanical apparatus with limited actuation bandwidth | 
| 12/05/1996 | WO1996038712A1 Angular velocity sensor | 
| 12/04/1996 | EP0745864A1 Diagnostic detection for hall effect digital gear tooth sensors and related method | 
| 12/04/1996 | EP0745225A1 Error recognition process for sensors of speed of rotation | 
| 12/03/1996 | US5581060 Shock sensor | 
| 12/03/1996 | US5581032 Angular velocity sensor device | 
| 11/28/1996 | WO1996037765A1 Integrated accelerometer test system | 
| 11/27/1996 | EP0744622A1 Acceleration sensor | 
| 11/27/1996 | EP0744031A1 A process for producing a calibrated sensor unit | 
| 11/26/1996 | US5579235 Method of monitoring rpm sensors | 
| 11/20/1996 | CN2240727Y Device for examination of kinemometer | 
| 11/19/1996 | US5576960 Driving force controlling apparatus for vehicle | 
| 11/13/1996 | EP0742428A1 Calibrating a multi-axes dynamics detector especially mounted and with a camera to contact manual blurring | 
| 11/12/1996 | US5574211 Acceleration sensing system | 
| 11/05/1996 | US5571994 In an electrical device in an automobile | 
| 10/30/1996 | EP0635135B1 Method of monitoring rpm sensors | 
| 10/23/1996 | EP0738892A1 Vehicle safety restraint system with linear output impact sensor | 
| 10/23/1996 | EP0738639A2 Sensor malfunction detecting system in vehicle control system | 
| 10/17/1996 | WO1996032302A1 Arrangement for triggering a personal protection system | 
| 10/10/1996 | DE19512613A1 Automatic control of sensitivity at start of measurement esp. for inductive rpm sensor e.g. in motor vehicle | 
| 10/09/1996 | EP0736761A2 Engine diagnostic monitor | 
| 10/08/1996 | US5562327 Circuit configuration for detecting wheel sensor malfunctions | 
| 10/02/1996 | EP0611348B1 Process for cornering identification | 
| 09/18/1996 | EP0732593A1 Device for confirming stop of motor | 
| 09/11/1996 | EP0731358A1 Method and apparatus for testing a speed limiter of an elevator | 
| 09/11/1996 | EP0646077B1 Circuitry for monitoring an inductive circuit | 
| 09/11/1996 | CA2169682A1 Method and equipment for testing a speed limiter of a lift installation | 
| 09/03/1996 | US5551768 Circuit configuration for dectecting wheel sensor malfunctions | 
| 09/03/1996 | US5551289 Servo controlled airspeed indicator | 
| 08/29/1996 | DE19547608A1 Sensor system for determining position and/or acceleration of moving body e.g vehicle | 
| 08/21/1996 | EP0727666A1 Device for monitoring at least two variables of a motor vehicle | 
| 08/20/1996 | US5546609 Helmet | 
| 08/08/1996 | DE19600541A1 Semiconductor acceleration detector for use in motor vehicle | 
| 08/06/1996 | US5544076 Marine speedometer | 
| 08/06/1996 | US5542280 Automated gauge, assessment system and method | 
| 07/30/1996 | US5540099 Vibration detecting device and vehicular road simulator employing the device | 
| 07/30/1996 | US5539935 Sports helmet | 
| 07/10/1996 | EP0681683B1 Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels | 
| 07/02/1996 | US5531092 Device for moving a suspended weight body | 
| 06/27/1996 | DE19532764A1 Semiconductor acceleration detection system for motor vehicle ABS brake and air bag deployment systems | 
| 06/26/1996 | EP0718632A2 Torsion beam accelerometer | 
| 06/25/1996 | US5528931 Engine diagnostic monitor with on-board adjustment of correction factors | 
| 06/20/1996 | WO1996018908A1 Error recognition process for sensors of speed of rotation | 
| 06/20/1996 | DE4444408A1 Verfahren zur Fehlererkennung bei Drehzahlfühlern Method for detecting faults in rotational speed sensors | 
| 06/20/1996 | DE19514082C1 Anordnung zur Auslösung einer Personenschutzanlage Arrangement for triggering a personal protection system | 
| 06/20/1996 | CA2165488A1 Torsion beam accelerometer with slotted tilt plate | 
| 06/18/1996 | US5528520 Calibration circuit for capacitive sensors | 
| 06/18/1996 | US5526687 Semiconductor acceleration sensor and testing method thereof | 
| 06/12/1996 | EP0716308A2 Calibration circuit for capacitive sensors | 
| 06/12/1996 | EP0715722A1 An apparatus for detecting the malfunctioning of an accelerometer | 
| 06/11/1996 | US5526263 Gravitational accelerometer provided with zero adjuster | 
| 06/05/1996 | EP0714517A1 Transducer testing system for low frequency vibrations | 
| 05/30/1996 | WO1995005607A3 Transducer testing system for low frequency vibrations | 
| 05/29/1996 | CN1123414A Acceleration sensor | 
| 05/21/1996 | US5519616 Driving force controlling apparatus for vehicle | 
| 05/21/1996 | US5517845 Acceleration sensor having fault diagnosing device | 
| 05/15/1996 | DE19540314A1 Rotation detection transmitter | 
| 05/14/1996 | US5517431 Speed sensor and conditioning circuit | 
| 05/09/1996 | DE4439203A1 Circuit for evaluating capacitive signal of acceleration sensor | 
| 05/08/1996 | EP0710387A1 Method and apparatus for calibrating three-dimensional space for machine vision applications | 
| 05/07/1996 | US5513878 Electronic system for activating a vehicle rider protection apparatus | 
| 05/01/1996 | EP0708925A1 Impact sensing system | 
| 04/25/1996 | DE19539178A1 Halbleiterbeschleunigungssensor und Prüfverfahren für diesen Semiconductor acceleration sensor and test methods for these | 
| 04/23/1996 | US5510707 Wheel speed sensor input circuit with sensor status detection employing a resistor biased compensator | 
| 04/18/1996 | DE19523171A1 Semiconductor acceleration sensor esp. for use with air bag of motor vehicle | 
| 04/17/1996 | EP0639262B1 Device for testing the operability of a system for detecting heat-radiating particles carried in a particle stream | 
| 04/11/1996 | WO1996010752A1 Active motion sensor | 
| 04/11/1996 | WO1996010751A1 Active motion sensor | 
| 04/11/1996 | WO1996010750A1 Device for confirming stop of motor | 
| 04/11/1996 | DE19537577A1 Symmetrical test-mass acceleration measuring unit with self diagnostic ability | 
| 04/10/1996 | EP0706053A1 Acceleration sensor | 
| 04/09/1996 | US5506454 System and method for diagnosing characteristics of acceleration sensor | 
| 04/04/1996 | DE4434978A1 Aktiver Bewegungssensor Active motion sensor | 
| 04/04/1996 | DE4434977A1 Aktiver Bewegungssensor Active motion sensor | 
| 04/03/1996 | EP0704706A1 A diagnostic system for a capacitive sensor | 
| 04/02/1996 | US5504681 Mass air flow sensor calibration | 
| 03/28/1996 | WO1996009193A1 Automobile air bag system | 
| 03/27/1996 | EP0702674A1 Compound for protective and anchor groups and its use | 
| 03/21/1996 | DE4432837A1 Capacitive acceleration sensor and measurement method esp. using seismic mass and surface micro-mechanic electrodes | 
| 03/19/1996 | US5499526 Semiconductor sensor self-checking circuit | 
| 03/13/1996 | EP0701134A1 Tachometer based on electrical ripple and calibrated by mechanical engine signals | 
| 03/12/1996 | US5497668 Method of testing the operation of an apparatus for detecting acceleration | 
| 02/27/1996 | US5494344 Cornering identification method | 
| 02/21/1996 | EP0697598A1 Test device for vehicles with a magnetic field sensitive wheel speed sensor | 
| 02/20/1996 | US5493270 Failure monitoring system for passenger restraint unit of automotive vehicle | 
| 02/20/1996 | US5493214 Fault detection scheme for a variable reluctance sensor interface having a differential input and adaptive control |