| Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237) | 
|---|
| 05/13/2003 | US6564125 Method for updating a sensor using a robust sensor offset learning algorithm | 
| 05/13/2003 | US6561006 Method and device for adjusting a vane and vane adjustable by said method | 
| 05/08/2003 | US20030088355 Method and device for detecting a rough road section | 
| 05/08/2003 | US20030084704 Self-calibrating inertial measurement system method and apparatus | 
| 05/06/2003 | US6560553 Method of estimating an eccentric position of an acceleration sensor and acceleration generating apparatus with an eccentricity adjuster | 
| 05/02/2003 | EP0797099B1 Counter and a revolution stop detection apparatus using the counter | 
| 04/29/2003 | USRE38100 Tachometer based on electrical ripple and calibrated by mechanical engine signals | 
| 04/24/2003 | WO2003034005A2 An estimator for determining resonant frequency and q | 
| 04/24/2003 | US20030078702 Device and method for converting vehicle speed signals | 
| 04/23/2003 | EP1304577A1 Device and method for converting vehicle speed signals | 
| 04/23/2003 | EP1304576A2 Method for monitoring the state of the wheel of a motor vehicle | 
| 04/23/2003 | EP0859960B1 Device and method to monitor sensors in vehicles | 
| 04/23/2003 | CN1413302A Method and device for detecting polarity reversal in signal sensor | 
| 04/17/2003 | WO2003031317A2 Micromechanical sensor having a self-test function and optimization method | 
| 04/17/2003 | US20030070484 Capacitive type physical quantity detecting sensor for detecting physical quantity along plural axes | 
| 04/16/2003 | EP0783699B1 Active motion sensor | 
| 04/15/2003 | US6546799 Method for compensating the position offset of a capacitive inertial sensor, and capacitive inertial sensor | 
| 04/09/2003 | EP1300397A1 Compound for protective and anchor groups and its use | 
| 04/03/2003 | US20030065465 Method and apparatus providing improved data path calibration for memory devices | 
| 04/03/2003 | US20030061859 Accelerometer calibration | 
| 04/01/2003 | US6542842 Method of compensating periodic signals in sensor output | 
| 04/01/2003 | US6539798 Acceleration threshold sensor | 
| 03/26/2003 | EP1296114A1 Angular velocity sensor and method of adjusting characteristics of the sensor | 
| 03/20/2003 | WO2002086434A3 Device and method for calibrating a sensor | 
| 03/20/2003 | US20030055375 Method for compensating for pressure differences across valves in cassette type IV pump | 
| 03/20/2003 | US20030052699 Method and circuit for detecting displacements using micro-electromechanical sensors with compensation of parasitic capacitances and spurious displacements | 
| 03/19/2003 | EP1293784A2 Error detection and fault isolation for multi-function air data probes and systems | 
| 03/13/2003 | WO2003021219A1 Drop detection device | 
| 03/13/2003 | US20030050766 Error detection and fault isolation for multi-function air data probes and systems | 
| 03/11/2003 | US6532407 Method and device for detecting a rough road section | 
| 03/06/2003 | US20030041465 Method and apparatus for installation and alignment of air data sensing probe | 
| 03/05/2003 | EP1288629A2 A method for updating a sensor using a robust sensor offset learning algorithm | 
| 03/05/2003 | EP1183555A4 Hydrophone assembly | 
| 03/05/2003 | EP1175628A4 Accelerometer transducer used for seismic recording | 
| 03/05/2003 | EP1169657A4 Calibration of sensors | 
| 03/04/2003 | US6526827 Semiconductor sensor chip and method for producing the chip, and semiconductor sensor and package for assembling the sensor | 
| 02/27/2003 | WO2003016921A2 Sensor | 
| 02/27/2003 | US20030040856 Method and device for determining a corrected offset value | 
| 02/27/2003 | US20030040855 Method for updating a sensor using a robust sensor offset learning algorithm | 
| 02/27/2003 | US20030038537 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 | 
| 02/25/2003 | US6525529 Method and apparatus for detecting broken teeth in a pulse signal of a wheel speed sensor for an ABS vehicle stabilization system | 
| 02/20/2003 | WO2003014667A1 Method and device for trimming sensors with oscillating structures | 
| 02/20/2003 | US20030033849 Electronic speedometer calibration device | 
| 02/11/2003 | US6519515 Method for testing the functioning of a drving dynamics control sensor system | 
| 02/06/2003 | US20030024298 Transducer in-situ testing apparatus and method | 
| 02/04/2003 | US6513832 Control system for vehicle occupant protection device in a motor vehicle | 
| 02/04/2003 | US6513383 Acceleration sensor and acceleration detection system | 
| 01/30/2003 | DE4042719C2 Pressure or acceleration sensor esp. for vehicle engine control | 
| 01/28/2003 | US6512364 Testing sensor | 
| 01/28/2003 | US6510737 Inertial rate sensor and method with improved tuning fork drive | 
| 01/23/2003 | DE10155667C1 Matching combined-sensors with turn rate, acceleration sensor components involves arranging for centrifugal force of motion about turn rate sensitive axis to acts along acceleration-sensitive axis | 
| 01/22/2003 | EP1278068A2 Method and circuit for detecting displacements using microelectromechanical sensors with compensation of parasitic capacitances | 
| 01/21/2003 | US6508126 Dynamic quantity sensor having movable and fixed electrodes with high rigidity | 
| 01/21/2003 | US6508125 Electrostatic capacitance type acceleration sensor, electrostatic capacitance type angular acceleration sensor and electrostatic actuator | 
| 01/08/2003 | EP1272858A2 Method for compensating the rotational shapelessness during detection of the revolutions per minute | 
| 01/08/2003 | CN1389734A Method and device for determining hydralic pitch K value of propeller hydrodynamometer | 
| 01/07/2003 | US6504360 Method and device for checking the installation air gap of an active sensor | 
| 01/02/2003 | US20030004620 Attitude detection system for artificial satellite | 
| 01/02/2003 | US20030000308 System for detecting a sensor error | 
| 01/02/2003 | EP1177451A4 Sensor | 
| 12/31/2002 | US6501261 Evaluation circuit for a magnetoresistive sensor | 
| 12/26/2002 | US20020198658 Method of and apparatus for detecting vehicle speed pulse drop, on-vehicle navigation system, program storage device and computer data signal embodied in carrier wave | 
| 12/24/2002 | US6498996 Vibration compensation for sensors | 
| 12/24/2002 | US6498501 Measuring circuit | 
| 12/24/2002 | US6497680 Method for compensating for pressure differences across valves in cassette type IV pump | 
| 12/24/2002 | US6497146 Inertial rate sensor and method with built-in testing | 
| 12/19/2002 | US20020189340 Device for angular positioning of a vaned angle-of-attack sensor on an aircraft wall | 
| 12/19/2002 | DE10225212A1 System for error detection in a motor vehicle acceleration or yaw sensor in which a simulation or pseudo signal is applied to the sensor so that errors in both the capture and processing components can be detected | 
| 12/19/2002 | DE10225190A1 Qualitätsüberwachung und Wartung für Produkte, die benutzerwartungsfähige Komponenten verwenden Quality monitoring and maintenance for products that use user-serviceable components | 
| 12/19/2002 | DE10216016A1 Halbleitervorrichtung zum Messen einer physikalischen Größe Semiconductor device for measuring a physical quantity | 
| 12/18/2002 | EP1007979B1 A method for calibrating a speed or distance measuring device | 
| 12/17/2002 | US6494092 Semiconductor sensor chip and method for producing the chip, and semiconductor sensor and package for assembling the sensor | 
| 12/12/2002 | US20020188413 Quality monitoring and maintenance for products employing end user serviceable components | 
| 12/10/2002 | US6492804 Detected signal processing device for rotating sensor and detected signal outputting method therefor | 
| 12/10/2002 | US6490926 Acceleration sensor module | 
| 12/04/2002 | EP0876271B1 Method of determining quantities describing vehicle travel behaviour | 
| 11/28/2002 | DE10151066C1 Monitoring device for automobile transverse acceleration sensor, with free-switching device initiating monitoring dependent on driving situation | 
| 11/27/2002 | EP1208385A4 Sensor design and process | 
| 11/26/2002 | US6487482 Method and device for deploying a retaining system | 
| 11/26/2002 | US6486657 Malfunction detector for magnetoresistor speed and position sensors | 
| 11/26/2002 | US6485114 Sensor error detection in a dual sensor system | 
| 11/21/2002 | WO2002093180A1 Accelerometer strain relief structure | 
| 11/21/2002 | US20020170355 Accelerometer strain isolator | 
| 11/20/2002 | EP1258407A2 Method and device for determining a corrected offset value | 
| 11/19/2002 | US6483322 Capacitive physical quantity sensor | 
| 11/13/2002 | EP1256810A2 Method of and apparatus for detecting vehicle speed pulse drop, on-vehicle navigation system, and computer program. | 
| 11/05/2002 | US6474134 Method for adjusting sensitivity of acceleration sensor | 
| 11/05/2002 | US6474133 Apparatus for detecting a physical quantity acting as an external force and method for testing and manufacturing this apparatus | 
| 10/31/2002 | WO2002086434A2 Device and method for calibrating a sensor | 
| 10/31/2002 | DE10119600A1 Einrichtung und Verfahren zur Kalibrierung eines Sensors Apparatus and method for calibrating a sensor | 
| 10/23/2002 | EP1250567A1 Method for establishing a table of correction values and sensor signal and a sensor module | 
| 10/23/2002 | EP1089899B1 Device for triggering a passenger protection device of an automobile | 
| 10/22/2002 | US6470300 Method and system for detecting and localizing sensor defects in motor vehicles | 
| 10/22/2002 | US6470249 Vehicle occupant protection system for a motor vehicle and method for controlling the triggering of the vehicle occupant protection system | 
| 10/17/2002 | US20020149984 Semiconductor physical quantity sensing device | 
| 10/17/2002 | US20020148291 Acceleration sensor | 
| 10/17/2002 | US20020148290 Tuning-fork type vibration gyro and electrode trimming method therefor | 
| 10/16/2002 | EP1249684A2 Tuning-fork type vibration gyro and electrode trimming method therefor | 
| 10/03/2002 | US20020143484 Device and method for automatic calibration of a microelectromechanical structure included in a control loop | 
| 10/02/2002 | EP1244919A2 Method and device for detecting a polarity reversal in a sensor |