Patents
Sitemap › G01 - Measuring; Testing › G01P - Measuring linear or angular speed, acceleration, deceleration or shock; Indicating presence or absence of movement; indicating direction of movement › G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass
Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237)
12/1998
12/16/1998EP0883814A1 Device for positioning a measuring sensor
12/16/1998CN1041236C 加速度传感器 Acceleration sensor
12/10/1998DE19723866A1 Method to detect correct polarity of inductive signal generator
12/09/1998EP0882987A1 Piezoelectric acceleration sensor
12/09/1998EP0882236A1 Device for positioning a measuring probe
12/08/1998US5847260 Physical parameter sensor with self-diagnosis circuit
12/01/1998US5844411 Diagnostic detection for hall effect digital gear tooth sensors and related method
12/01/1998US5844286 Semiconductor acceleration sensor
11/1998
11/26/1998WO1998053329A1 Method for compensating variations in a wheel speed sensor
11/26/1998DE19721488A1 Verfahren zum Ausgleich von Abweichungen eines Raddrehzahlsensors Method to compensate errors of a wheel speed sensor
11/24/1998US5842143 Circuit configuration for evaluating yaw rate sensor signals
11/19/1998DE19824904A1 Autonomous error determination for inertial sensor or measuring system
11/19/1998DE19753682A1 Interface circuit for capacitive sensor
11/12/1998DE19736711C1 Measurement method for axle speed vehicle axle
11/11/1998EP0876271A1 Method of determining quantities describing vehicle travel behaviour
11/04/1998EP0875763A1 Wheel rotating speed detector and installation method thereof, and travelled distance detector and installation method thereof
10/1998
10/29/1998DE19818311A1 System which detects when road facer equipped with computer experiences rebounds
10/29/1998DE19818060A1 Acceleration sensor
10/27/1998US5828585 Vehicle speed signal calibration
10/27/1998US5828138 Acceleration switch
10/27/1998US5827967 Semiconductor accelerometer including strain gauges forming a wheatstone bridge and diffusion resistors
10/22/1998DE19715796A1 Calibration appliance for speed sensor
10/21/1998EP0872722A1 Particle measuring apparatus and its calibration method
10/21/1998EP0872387A1 Method for adjusting the orientation of a passive safety system
10/21/1998EP0772538B1 Process for determining wheel speed signal correction factors
10/14/1998EP0870173A2 Improved vehicle navigation system and method
10/13/1998US5821419 For triggering a safety device in a motor vehicle
09/1998
09/24/1998WO1998041834A1 Differential pressure transmitter with highly accurate temperature compensation
09/22/1998US5812250 Doppler velocimeter and various kinds of apparatuses for signal processing thereof
09/22/1998US5811690 Differential pressure transmitter with highly accurate temperature compensation
09/15/1998US5808188 Flowbench and air flow measurement and calibration procedure
09/08/1998US5804697 Remote control structural exciter
09/02/1998EP0862058A1 Method for offset compensation of a sensor output signal
09/01/1998US5801507 Acceleration sensor
09/01/1998US5801348 Acceleration detector
08/1998
08/26/1998EP0859960A1 Device and method to monitor sensors in vehicles
08/19/1998EP0696355B1 Adaptation device for a sensor wheel on an internal combustion engine
08/18/1998US5796298 Integrated transducer amplifier with zener-zap programming
08/04/1998US5789925 Sensor system having abnormality detecting circuit for detecting abnormality of sensor system from outputs of signal processing circuits
08/04/1998US5789658 Adaptation method for correcting tolerances of a transducer wheel
07/1998
07/29/1998EP0855597A1 Device for determining initial correction factors for correcting rotational angular velocity measurements of vehicle tires
07/28/1998US5787377 In a motor vehicle
07/28/1998US5786526 Airbag testing apparatus and a method therefor
07/28/1998CA1339976C Magnetically-damped, testable accelerometer
07/16/1998DE19726839A1 Semiconductor sensor esp. for pressure, acceleration
07/14/1998US5781283 Process and arrangement for the measurement of physical values of light scattering moving particles by means of a laser doppler anemometer
07/09/1998WO1998029749A1 An accelerometer with a symmetrically bonded proof-mass and method of its fabrication method
07/07/1998US5777227 Self-diagnostic accelerometer with symmetric proof-mass and its preparation method
06/1998
06/23/1998CA2106836C Impact sensor for vehicle safety restraint system
06/17/1998EP0708925B1 Impact sensing system
06/03/1998EP0715722B1 An apparatus for detecting the malfunctioning of an accelerometer
06/02/1998US5760290 Semiconductor acceleration sensor and testing method thereof
05/1998
05/27/1998EP0844462A2 Method and apparatus for determining the position of a moving object
05/27/1998EP0844150A1 Method for generating crash signals
05/27/1998EP0751888B1 Circuit for processing signals from a yaw-rate sensor
05/26/1998US5756897 Acceleration sensor
05/26/1998US5756895 Tunneling-based rate gyros with simple drive and sense axis coupling
05/26/1998US5756758 Esterification
05/19/1998US5753793 Apparatus for detecting the malfunctioning of an accelerometer
05/12/1998US5751154 capacitive sensor interface circuit
05/07/1998WO1998019171A1 Vehicle crash sensing system
05/07/1998CA2267863A1 Vehicle crash sensing system
05/05/1998US5747991 Capacitance type acceleration sensor
04/1998
04/30/1998DE19644873A1 Reset device for electronic counters, e.g. vehicle mileometer, operation timers
04/29/1998EP0838660A1 Velocity calculating apparatus
04/29/1998EP0837801A1 Device for the recognition of electromagnetic interference
04/28/1998US5744718 Sensor using a resistance element
04/22/1998EP0837332A2 Device determining the constant of a control device built into a vehicle
04/22/1998EP0836566A1 Acquisition and evaluation of measured variables which are critical for safety
04/14/1998US5737961 Method and apparatus for detecting operational failure of a digital accelerometer
04/01/1998EP0833127A1 Angular-velocity detection apparatus
03/1998
03/31/1998US5734087 Acceleration sensor
03/26/1998DE19636922A1 Adjustment Method for Laser Doppler Wind Speed Measurement
03/24/1998US5731520 Acceleration sensing module with a combined self-test and ground electrode
03/17/1998US5729476 Method of error recognition for rotary speed sensors
03/12/1998WO1998010297A1 Device and method to monitor sensors in vehicles
03/12/1998DE19636443A1 Vorrichtung und Verfahren zur Überwachung von Sensoren in einem Fahrzeug Apparatus and method for monitoring sensors in a vehicle
03/10/1998US5726888 Method and system for testing a wheel speed sensor input circuit in an ABS and/or TC system
03/10/1998US5726358 Method and device for measuring the discharge in partly filled or completely filled ducts and in open channels
03/05/1998WO1998009174A1 Acceleration limit sensor
03/05/1998DE19647920C1 Crash signal generation method for vehicle testing
03/05/1998DE19635440A1 Monitoring method for sensor, e.g. inductive sensors used in car control systems
03/04/1998EP0826968A1 Initial correction factor computing apparatus and apparatus utilizing the same
02/1998
02/26/1998DE19736199A1 Calibration system for neutral point of yaw sensor in motor vehicle
02/12/1998DE19632247A1 Motor vehicle speed measurement method and device
02/11/1998EP0823637A1 Apparatus for calculating the velocity of a vehicle from pulsating components in the output of the electric power generator
02/10/1998US5717302 Motor stopped verification apparatus
02/10/1998US5717175 Method and apparatus for testing an elevator speed limiter
02/03/1998US5715045 Countermeasure detecting circuit, and associated method, for a laser speed detecting apparatus
02/03/1998US5714929 Microprocessor-controlled speedometer/odometer
02/03/1998US5714879 Method of and arrangement for regulation of sensitivity in evaluation circuit
01/1998
01/28/1998EP0820391A1 Arrangement for triggering a personal protection system
01/07/1998EP0816865A2 Self test method for an ultrasonic time-of-flight measurement device, and device for carrying out the method
12/1997
12/31/1997WO1997049999A1 Impact recognition device, in particular for a motor vehicle
12/31/1997WO1997049998A1 Accelerometer without proof mass
12/29/1997EP0814247A2 Production of rotation speed signal
12/23/1997US5700068 Positioning apparatus for inertial sensors
12/18/1997DE19653213A1 Semiconductor acceleration sensor for motor vehicle airbag inflation
12/18/1997DE19651269A1 Single piece semiconductor acceleration sensor for motor vehicle
12/16/1997US5698770 Method and apparatus for trimming gain of an accelerometer
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