Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237)
02/1996
02/20/1996US5492020 Detector for a physical quantity having a self-testing function
02/15/1996WO1996004158A1 Process for determining wheel speed signal correction factors
02/14/1996EP0696355A1 Adaptation device for a sensor wheel on an internal combustion engine
02/08/1996DE19527744A1 Input circuit for wheel rpm sensor used in e.g. ABS of motor vehicle
02/08/1996DE19522543A1 Piezoelectric measuring sensor system for roller bearings
02/06/1996US5488864 Torsion beam accelerometer with slotted tilt plate
02/01/1996DE4426960A1 Verfahren zur Ermittlung von Korrekturfaktoren für Radgeschwindigkeitssignale Method for determining correction factors for the wheel speed signals
01/1996
01/25/1996WO1996001980A1 Method of and apparatus for calibrating rotary position transducers
01/23/1996US5485749 Acceleration detector
01/16/1996US5485041 Impact sensor for vehicle safety restraint system
01/16/1996US5483829 Environmental flow stand inlet flow conditioner
01/16/1996US5483817 Short circuit detector for sensors
01/09/1996US5483452 Apparatus for detecting failures of longitudinal acceleration sensor
01/09/1996US5481901 Device for demonstrating and testing electronic meters for bicycles
01/04/1996WO1996000398A1 Apparatus and method for testing
01/04/1996DE19509535A1 Adjustment of air mass flow sensor with tunable output stage
01/02/1996US5479811 Procedure for calibrating the wheel speeds for a motor vehicle
12/1995
12/27/1995EP0689055A1 Acceleration sensor
12/22/1995WO1994029278A1 Compound for protective and anchor groups and its use
12/22/1995CA2164959A1 Compound for protective and anchor groups and its use
12/19/1995US5476311 For an automotive vehicle
12/12/1995US5473931 Method and apparatus for calibrating three-dimensional space for machine vision applications
12/12/1995US5473930 Acceleration sensor with oppositely-polarized piezoelectric plates
12/07/1995DE19520049A1 Variable capacitor sensor for acceleration or pressure monitor
12/05/1995US5473253 Semiconductor sensor apparatus
12/05/1995US5472232 Air bag system for saving life in a crash
12/05/1995US5471876 Semiconductor accelerometer
11/1995
11/22/1995EP0682614A1 Circuit for detecting defects in wheel sensors.
11/22/1995CN1112237A Vibration detecting device and vehicular load simulator using the device
11/21/1995US5467634 Method and apparatus for calibrating three-dimensional space for machine vision applications
11/15/1995EP0681683A1 Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels.
11/14/1995US5465616 Method of inspecting various control functions of a motorcar
10/1995
10/25/1995EP0678730A1 Angular velocity sensor device
10/24/1995US5460044 Semiconductor acceleration detecting apparatus
10/19/1995DE4447487A1 Micromechanical acceleration sensor unit motor vehicle airbag, seat belt restraint
10/17/1995US5457982 Apparatus for performance testing acceleration sensors
10/12/1995WO1995027217A1 Micromechanical sensor unit for detecting acceleration
10/12/1995WO1995027216A1 Micromechanical sensor unit for detecting acceleration
10/12/1995WO1995027214A1 Process for producing a micromechanical sensor unit for detecting acceleration
10/12/1995WO1995023975A3 Speed sensor and conditioning circuit
10/12/1995DE4447488A1 Micromechanical acceleration sensor unit manufacturing method
10/05/1995WO1995026285A1 Circuit for processing signals from a yaw-rate sensor
10/05/1995DE4411130A1 Sensoreinheit mit mindestens einem Beschleunigungssensor, z. B. zur Kfz-Airbagauslösung, und Verfahren zu seiner Herstellung Sensor unit with at least one acceleration sensor, for. Example, for automotive air bag is deployed, and process for its preparation
09/1995
09/27/1995EP0673479A1 Mechanical linear guide.
09/21/1995WO1995025284A1 Electronic arrangement with an acceleration-sensitive sensor
09/21/1995WO1995025283A1 Method of testing a trigger circuit
09/14/1995DE4439886A1 Elektronisches Gerät mit einem beschleunigungsempfindlichen Sensor Electronic device having an acceleration-sensitive sensor
09/14/1995DE4408382A1 Verfahren zum Prüfen einer Auslöseschaltung A method for testing a trip circuit
09/08/1995WO1995023975A2 Speed sensor and conditioning circuit
09/08/1995WO1995023974A1 Adaptation device for a sensor wheel on an internal combustion engine
09/07/1995DE4406606A1 Adaptionsvorrichtung für ein Geberrad an einem Verbrennungsmotor Adaptation apparatus for a trigger wheel on an internal combustion engine
09/05/1995US5447051 Method and apparatus for testing a piezoelectric force sensor
08/1995
08/29/1995US5445006 Self-testable micro-accelerometer and method
08/29/1995US5445005 Process for calibrating a calorimetric flow indicator
08/17/1995WO1995022063A1 A process for producing a calibrated sensor unit
08/17/1995DE4404265A1 Verfahren zum Kalibrieren eines Beschleunigungssensors, der insbesondere zur Steuerung eines Kfz-Airbag dient A method of calibrating an acceleration sensor, which serves in particular for controlling a motor vehicle air bag
08/15/1995US5440913 Electronic device for safeguarding occupants of a vehicle and method for testing the same
08/08/1995US5440234 Fault detecting circuit incorporated in semiconductor sensor and effective against any fault having influence on output voltage of a circuit component of the sensor
08/08/1995US5438859 Acceleration sensor having fault diagnosing device
08/02/1995EP0665425A2 Spectral modulation sensor
08/02/1995EP0665419A1 An auto-calibration device for a bridge sensor
07/1995
07/27/1995DE4438507A1 Adaptive monitoring of proximity or presence detectors
07/25/1995US5435168 Transducer testing system for low frequency vibrations
07/18/1995US5433101 Fault detecting apparatus
07/11/1995US5432442 Speed sensor including output signal proportional to air gap size
07/05/1995EP0660960A1 Process and device for detecting, recording and evaluating from case to case operational and/or driving data of a vehicle.
07/04/1995US5430334 Impact sensor for vehicle safety restraint system
07/04/1995US5429736 Detector having self-calibration function
07/04/1995US5428991 Process for adapting mechanical tolerances of a pick-up wheel
06/1995
06/29/1995DE4445776A1 Simulation device for calibrating laser flow velocity measuring device
06/27/1995US5426970 Rotation rate sensor with built in test circuit
06/14/1995EP0657333A1 Gravitational accelerometer provided with zero adjuster
06/14/1995EP0657021A1 Flow meter.
06/13/1995US5424584 Control system for a plurality of vehicle safety devices
06/06/1995US5422965 Air bag operation device
06/06/1995US5421212 Method and device in acoustic flow measurement for ensuring the operability of said measurement
05/1995
05/31/1995EP0655376A1 Apparatus for detecting failures of longitudinal acceleration sensor
05/30/1995US5419187 Air flow rate meter and detection method
05/23/1995US5418453 Method of measuring wheel speed sensor impedance
05/17/1995EP0653689A1 Vibration detecting device and vehicular load simulator using the devices
05/16/1995US5415044 Semiconductor acceleration sensor including means for detecting weight detachment
05/16/1995US5415043 Acceleration sensor and process for its production
05/10/1995EP0461265B1 Acceleration sensors
05/04/1995DE4438649A1 Beschleunigungssensor für ein Fahrzeug-Sicherheitssystem Acceleration sensor for a vehicle safety system
05/02/1995US5410915 Capacitive acceleration detector
04/1995
04/29/1995CA2134483A1 Impact sensor for vehicle safety restraint system
04/27/1995WO1995011455A1 A sensor apparatus
04/27/1995DE4337518C1 Method for monitoring an electronic switching device
04/25/1995US5410244 Air core gauge testing method and apparatus utilizing magnetic coupling between gauge coils
04/25/1995US5409258 Fault diagnosis apparatus for control circuit of vehicle passenger protecting device
04/20/1995DE4341600C1 Electronic switching device
04/12/1995EP0647926A1 Device for detecting disturbances during signal transmission in motorcars
04/11/1995US5404749 Boron doped silicon accelerometer sense element
04/05/1995EP0646799A2 Acceleration sensor
04/05/1995EP0646798A2 Acceleration sensor
04/05/1995EP0646077A1 Circuitry for monitoring an inductive circuit.
04/04/1995US5404304 Vehicle control system for determining verified wheel speed signals
03/1995
03/09/1995DE4429222A1 Impact sensor
03/02/1995WO1995006259A1 An apparatus for detecting the malfunctioning of an accelerometer
02/1995
02/28/1995US5392631 For motion detectors
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