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