Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237)
03/2004
03/04/2004WO2004019050A1 Device for monitoring a sensor
03/04/2004DE19949157B4 Gierraten-Erfassungssystem für ein Fahrzeug Yaw rate-detecting system for a vehicle
03/03/2004EP1394554A1 Process for the fabrication of a threshold acceleration sensor
03/03/2004CN1479103A Mini acceleration meter continuous speed measurement impact correction method and device
03/02/2004US6698281 Vane designed to get oriented in the ambient air flow axis
03/02/2004US6698269 Transducer in-situ testing apparatus and method
02/2004
02/19/2004DE10236772A1 Sensor testing device, especially self-test device, for use with all manner of industrial and automotive sensors, whereby the sensor has a measurement range that is greater than its normal operating range
02/17/2004US6691550 Estimator for determining resonant frequency and Q
02/12/2004WO2002042133A9 Active magnetic sensor for electronic braking systems
02/12/2004DE10232165A1 Plausibility testing for drive rotational velocity signals, especially for motor vehicle gearbox systems, whereby the number of sign changes in the difference between sequential measurements is used for plausibility-checking
02/11/2004CN1474187A Detecting method of current meter and its detection mounting equipment
02/10/2004US6691060 Method and device for monitoring wheel speeds
02/10/2004US6691053 Method of matching retention times among multiple chromatographic system
02/10/2004CA2255975C Measuring circuit
02/03/2004US6687634 Quality monitoring and maintenance for products employing end user serviceable components
01/2004
01/29/2004US20040019445 Calibration methodology and system for optical network analyzer
01/28/2004EP1384049A2 Device and method for calibrating a sensor
01/28/2004CN1470879A Acceleration measuring apparatus with calibration function
01/28/2004CN1136455C Linear reciprocating movement driving control method device and printer
01/27/2004US6682153 Method for detecting output-stuck fault of car body acceleration sensor, apparatus for detecting output-stuck fault of car body acceleration sensor, and anti-lock braking system for car
01/20/2004US6681162 Corrective device for output of acceleration sensor and method of correcting output thereof
01/15/2004WO2004005938A1 Device for determining the rotational speed of a rotating machine part using redundant sensors and evaluation circuits
01/15/2004US20040007064 Acceleration measuring apparatus with calibration function
01/15/2004DE10229624A1 Verfahren und Vorrichtung zur Endkontrolle eines Magnetsensors Method and apparatus for final inspection of a magnetic sensor
12/2003
12/30/2003US6668614 Capacitive type physical quantity detecting sensor for detecting physical quantity along plural axes
12/23/2003US6666088 Accelerometer without proof mass
12/09/2003US6662129 System for detecting a sensor error
12/09/2003US6658948 Semiconductor dynamic quantity sensor
12/02/2003US6657539 Vehicle control apparatus and vehicle control method
12/02/2003US6657423 Physical quantity detection device with error detection in power supply line thereto
11/2003
11/26/2003EP1365502A2 Phase detector for quadrature signals, and method
11/26/2003CN2588375Y Motor vehicle speed meter test platform
11/20/2003DE19937263C2 Verfahren und Vorrichtung zur Ermittlung eines Drehzahl-Istwertes mit einem Analogtacho im Bereich kleiner Drehzahlen Method and apparatus for determining an actual speed value with an analog speedometer in the low speed range
11/18/2003US6647786 Tuning-fork type vibration gyro and electrode trimming method therefor
11/18/2003US6647757 Method for recognition of signal errors
11/06/2003US20030208310 System and method for validating quadrature signals
11/05/2003EP1012607B1 Sensor device
11/04/2003US6640609 Spectral method for calibrating accelerometers
10/2003
10/30/2003DE19937737C2 Vorrichtung zum sicheren Überwachen der Drehbewegung einer Welle An apparatus for safely monitoring the rotational movement of a shaft
10/29/2003EP1070007B1 Method and device for determining correction values for wheel speeds
10/23/2003WO2003087850A1 Frequency characteristics measuring method and device for acceleration sensor
10/23/2003WO2003087849A1 Method and device for measuring dynamic linearity of acceleration sensor
10/23/2003WO2003087848A1 Calibration evaluation method and device for acceleration sensor
10/22/2003EP1355161A1 Acceleration evaluation method using intrinsically redundant measurements
10/22/2003EP1355129A2 Navigation system and device, method and programm for correcting acceleration data and recording medium containing the program
10/21/2003US6634231 Accelerometer strain isolator
10/14/2003US6632697 Semiconductor sensor chip and method for producing the chip, and semiconductor sensor and package for assembling the sensor
10/09/2003WO2003031317A3 Micromechanical sensor having a self-test function and optimization method
10/07/2003US6629448 In-situ testing of a MEMS accelerometer in a disc storage system
10/01/2003EP1348131A1 Method and device for monitoring wheel speeds
09/2003
09/23/2003US6625527 Sensor system with monitoring device
09/23/2003US6622390 Method and apparatus for installation and alignment of air data sensing probe
09/17/2003EP1345022A2 Method for calibrating a sensor and circuit arrangement for using a sensor
09/11/2003US20030171862 Corrective device for output of acceleration sensor and method of correcting output thereof
09/04/2003US20030167152 Testing linearity of methods of chemical analysis
09/03/2003EP1339578A1 Active magnetic sensor for electronic braking systems
08/2003
08/28/2003WO2003071249A1 Method and device for simulating a rpm signal
08/21/2003US20030158681 Method for calibrating a sensor and switching arrangement for operating a sensor
08/20/2003CN2567583Y Spring impact device for calibrating micro-accelerometer
08/13/2003EP1207371A9 Automatic calibration of a micro-mechanical sensor
08/07/2003WO2003065054A1 Method and system for correction and calibration of accelerometers with bias instability
08/07/2003WO2003064965A1 Frequency compensation for rotating target sensor
08/07/2003US20030149540 Method and device for monitoring wheel speeds
08/07/2003US20030149516 Method for functional testing of a lateral-acceleration sensor
08/06/2003EP1332374A1 Method and device for electrical zero balancing for a micromechanical component
08/06/2003EP0925484B1 Method and device for monitoring sensors in a vehicle
08/06/2003CN2565024Y Starting rotating speed detector for propeller type current meter
08/05/2003US6601431 Acceleration sensor
07/2003
07/31/2003US20030144808 Methods and systems for calibration and compensation of accelerometers with bias instability
07/31/2003US20030141864 Frequency compensation for rotating target sensor
07/30/2003EP1037769B1 Method and device for monitoring the operativeness of a crash sensor
07/29/2003US6601011 Apparatus for measuring angular velocity variation rate of rotary axle
07/24/2003WO2003059696A1 Method for the evaluation of the mounting location of an acceleration sensor component in a vehicle
07/10/2003US20030126927 Angular velocity sensor
07/10/2003US20030126906 Method and device for calibrating combination sensors having a rate-of-rotation sensor component and an acceleration sensor component
07/09/2003EP0744031B2 A process for producing a calibrated sensor unit
07/08/2003US6591217 Method and device for detecting errors in the signals of a system for monitoring the rotation of a shaft
07/08/2003US6591209 Automatic calibration of speed signal scaling
07/08/2003US6591200 Method and system for performance testing of rotating machines
07/08/2003US6589433 Accelerometer without proof mass
07/03/2003WO2003054556A1 Angular velocity sensor
07/03/2003WO2003034005A3 An estimator for determining resonant frequency and q
07/02/2003EP1324053A1 Method for functionally checking a lateral accelerometer
07/01/2003US6587804 Method and apparatus providing improved data path calibration for memory devices
06/2003
06/26/2003US20030120403 Device and method for improved monitoring of a lateral -acceleration sensor
06/25/2003EP1140564B1 Control system for passenger protection means in a motor vehicle
06/19/2003US20030110826 Sheath liquid supplying apparatus, sheath liquid supplying method, and evaluating method of sheath liquid supplying condition
06/12/2003US20030110000 Method of matching retention times among multiple chromatographic system
06/12/2003US20030109939 Method for establishing a table of correction values and sensor signal and a sensor module
06/12/2003US20030107725 Sheath liquid supplying apparatus, sheath liquid supplying method, and evaluating method of sheath liquid supplying condition
06/10/2003US6577975 Device and method for automatic calibration of a microelectromechanical structure included in a control loop
06/10/2003US6576968 Sensor
06/10/2003US6575029 Gravity gradiometer accelerometers
06/03/2003US6573827 System and method of detecting vehicle speed limiting system tampering
05/2003
05/20/2003US6564637 Sensor having a resonance structure, especially an acceleration or rotation rate sensor, and a device for carrying out a self-test
05/20/2003US6564634 Semiconductor sensor chip and method for producing the chip, and semiconductor sensor and package for assembling the sensor
05/15/2003WO2003040656A1 Self-calibrating inertial measurement system method and apparatus
05/15/2003US20030093240 Process for monitoring the condition of motor vehicle wheels
05/15/2003US20030090261 Method and device for detecting polarity reversal in a sensor
05/15/2003US20030089157 Estimator for determining resonant frequency and Q
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