Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237)
10/1999
10/07/1999WO1999050113A1 Method and device for determining correction values for wheel speeds
10/07/1999DE19832483A1 Verfahren und Vorrichtung zum Ermitteln von Korrekturwerten für Radgeschwindigkeiten Method and apparatus for determining correction values ​​for the wheel speeds
10/07/1999DE19814732A1 Rotational speed detection method for a multicylinder internal combustion engine, used for sensing combustion misfires
10/05/1999US5962782 Gravity gradiometer accelerometers
09/1999
09/28/1999US5959202 Device for determining initial correction factor for correcting rotational velocity of tire
09/23/1999WO1999047388A1 Occupant protection system for a motor vehicle and method for controlling the deployment of said occupant protection system with error control of the accident detector
09/23/1999DE19811070C1 Motor vehicle occupant protection system e.g. airbag or belt tensioner system
09/23/1999DE19810213A1 Method and device for generating a signal representative of a motor vehicle running conditions
09/22/1999EP0836566B1 Acquisition and evaluation of measured variables which are critical for safety
09/16/1999WO1999046604A1 Method and device for producing a signal representing a motor vehicle running conditions
09/07/1999US5948996 Multielement sensor
09/02/1999DE19807124A1 Verfahren und Vorrichtung zum Auslösen eines Rückhaltesystems Method and device for triggering a restraint system
09/02/1999DE19806753A1 Error indicator for sensor comprising Wheatstonebridge
08/1999
08/26/1999WO1999042843A1 Semiconductor acceleration sensor and self-diagnosis thereof
08/26/1999WO1999042341A1 Method and device for actuating a retaining system
08/24/1999CA2123925C Acceleration detector
08/17/1999US5939630 Angular velocity sensor
08/10/1999US5936158 Of a vehicle
08/05/1999DE19835041C1 Monitoring arrangement for wheel processes on high speed rail vehicles
08/05/1999DE19804327A1 Method for exact rpm determination of IC engine
08/05/1999DE19802109A1 Method for taking into account mechanical tolerances when doing timing measurements on rotating shafts, such as internal combustion engine crankshafts.
08/04/1999EP0932832A1 Vehicle crash sensing system
07/1999
07/27/1999US5929329 Process for determining wheel speed signal correction factors
07/27/1999US5927143 Self-diagnostic accelerometer with symmetric proof-mass and its preparation method
07/21/1999EP0930506A1 Calibration method for laser sheet velocimetry
07/20/1999US5926016 Custom integrated wheel-speed sensor circuit with sensitivity adjustment
07/14/1999EP0928970A1 Method and device for tamperproof speed measurement of vehicles and machines
07/13/1999US5923163 Method for defect detection in rotational speed sensors
07/13/1999US5922955 Gravity-compensation type accelerometer and process for producing such an accelerometer
07/13/1999US5922038 Vehicle-behavior control system with wheel speed failure detection
07/07/1999EP0927868A2 Sensor device with measurement error recognition
07/01/1999WO1999032330A1 Method and device for monitoring the operativeness of a crash sensor
07/01/1999DE19757118A1 Verfahren und Vorrichtung zum Überwachen der Funktionsfähigkeit eines Crashsensors A method and apparatus for monitoring the operability of a crash sensor
06/1999
06/30/1999EP0925485A1 Method and device for monitoring sensors in a vehicle
06/30/1999EP0925484A1 Method and device for monitoring sensors in a vehicle
06/24/1999WO1999031455A1 Separation system
06/23/1999EP0924525A1 Procedure for adjusting a signal conditioning circuit, which converts a capacitance value into a corresponding voltage
06/23/1999CN2325786Y Apparatus for calibrating wind measuring instrument
06/02/1999DE19845297A1 Spectral broadening error estimation method for duplex ultrasound imaging device
06/02/1999CN1218181A Linear reciprocal movement driving control method, device and printer
05/1999
05/27/1999WO1999026043A1 Navigation system with a position sensing device
05/26/1999EP0918223A1 Velocity monitoring device
05/20/1999DE19853063A1 Angle speed sensor with diagnostic system
05/20/1999DE19750127A1 Navigation system with distance detection device
05/20/1999DE19750024A1 Adaptation method for construction tolerances of transducer wheel for controlling fuel delivery in IC engine
05/19/1999EP0916954A1 Process for evaluating an output signal of a sensing device scanning a cyclic movement
05/19/1999EP0766828B1 Apparatus and method for testing
05/18/1999US5905354 Motor stopped verification sensor
05/18/1999US5905202 Tunneling rotation sensor
05/18/1999CA2173648C Vehicle safety restraint system with linear output impact sensor
05/12/1999DE19848762A1 Device to switch reference pulses at incremental rotation transmitter
05/11/1999US5903855 Acceleration sensor
05/04/1999US5900727 Magneto-resistive tachometer kit including two sensor modules providing different resolution quadrature outputs from the same rotor
05/04/1999US5900529 Apparatus and method for testing an acceleration sensor
05/04/1999CA2005700C Programming signal source and calibration data for a speedometer/tachometer with calibration switches
04/1999
04/29/1999DE19747073A1 Determining temporal changes of state, e.g. for machine motion
04/28/1999EP0911635A1 Turntable acceleration generating apparatus
04/28/1999CN1215475A Vehicle speed detector
04/27/1999US5897599 Control system for a vehicle safety device with EEPROM memory for storing gain
04/20/1999US5895858 Integrated accelerometer test system
04/20/1999US5895071 Compact crash sensing switch with air ducts and diagnostic system
04/14/1999EP0907892A1 Impact recognition device, in particular for a motor vehicle
04/07/1999EP0906578A1 Acceleration limit sensor
04/06/1999US5893052 Method and apparatus for testing sensing system performance
04/06/1999US5892435 Triggering process for passive safety devices in vehicles
04/06/1999US5892193 Compact crash sensing switch with air ducts and diagnostic system
04/01/1999DE19739903A1 Sensorvorrichtung Sensor device
03/1999
03/25/1999WO1999001771A8 Sensor with diaphragm sensor chip
03/25/1999DE19742328A1 Speed monitoring device for railway vehicle
03/25/1999DE19741780A1 Conductor break detection method for inductive sensor user to detect rotating shaft speed
03/23/1999US5884995 Lighting system with a micro-telescope integrated in a transparent plate
03/18/1999WO1999013345A1 Sensor device
03/11/1999WO1999012043A1 A method for calibrating a speed or distance measuring device
03/11/1999DE19838158A1 Vehicle slew rate sensor anomaly detection device
03/11/1999DE19837905A1 Calculated vehicle direction correction device for compensating drift error
03/11/1999DE19747918A1 Verfahren und Anordnung zur genauen Bestimmung der Geschwindigkeit eines umlaufenden Bauteiles, insbesondere der Geschwindigkeit eines Fahrzeugrades Method and apparatus for accurately determining the speed of a rotating component, in particular the speed of a vehicle wheel
03/09/1999US5879056 Kickback protection device and method of use
03/04/1999WO1999010747A1 Method and device for determining exact velocity of a rotating component especially the velocity of a motor vehicle wheel
03/03/1999EP0898710A1 Countermeasure circuit for a laser speed detector
02/1999
02/24/1999EP0898149A2 Method for determining the distance travelled by and/or the speed of a vehicle
02/23/1999US5875024 Method of adjusting a laser doppler anemometer
02/16/1999CA2143966C Angular velocity sensor device
02/11/1999DE19808349A1 Sensor for physical parameters, e.g. speed, acceleration or pressure
02/11/1999DE19736712C1 Method of calibrating railway rolling stock axle speed measurement unit
02/11/1999DE19730212A1 Function condition detector for rail vehicle wheel sensor
02/02/1999US5866796 Method and apparatus for detecting failure in vibrating sensors
01/1999
01/26/1999US5864775 Method of and apparatus for calibrating rotary position transducers
01/19/1999US5862511 Vehicle navigation system and method
01/14/1999WO1999001774A1 Diagnostic device for detecting errors in an induction sensor
01/14/1999WO1999001771A1 Sensor with diaphragm sensor chip
01/14/1999WO1999001719A1 Method and device for monitoring sensors in a vehicle
01/14/1999WO1999001718A1 Method and device for monitoring sensors in a vehicle
01/07/1999DE19748596A1 Verfahren und Vorrichtung zur Überwachung von Sensoren in einem Fahrzeug Method and apparatus for monitoring sensors in a vehicle
01/07/1999DE19748126A1 Verfahren und Vorrichtung zur Überwachung von Sensoren in einem Fahrzeug Method and apparatus for monitoring sensors in a vehicle
01/05/1999US5856645 Crash sensing switch
12/1998
12/29/1998US5854572 Compact structure of automatic gain control circuit
12/29/1998US5854421 Semiconductor sensors and method for adjusting the output
12/22/1998US5852788 Wheel speed correction method that accounts for use of a mini tire
12/17/1998WO1998057196A1 Gravity gradiometer accelerometers
12/17/1998CA2293217A1 Gravity gradiometer accelerometers
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