| Patents for G01P 21 - Testing or calibrating of apparatus or devices covered by the other groups of this subclass (4,237) |
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| 08/31/2000 | DE19931343A1 Detecting a wheel sensor error involves detecting an error depending on whether wheel acceleration derived from sensor output signal is below a negative acceleration threshold value |
| 08/31/2000 | DE10002138A1 Eccentric error cancellation apparatus for rotary centrifuge, extracts only low frequency component from output signal of acceleration sensor mounted on small rotator |
| 08/30/2000 | EP1031838A2 Apparatus for measuring angular velocity variation rate of rotary axle |
| 08/30/2000 | EP0750749B1 Electronic arrangement for testing an acceleration-sensitive sensor |
| 08/29/2000 | US6111384 Method for controlling motor speed |
| 08/29/2000 | US6109114 Caging, calibration, characterization and compensation of microstructural transducers |
| 08/29/2000 | US6109105 Tunneling-based rate gyros with simple drive and sense axis coupling |
| 08/24/2000 | WO2000048883A1 Sensor system with monitoring device, notably for an esp system for vehicles |
| 08/23/2000 | CN2393101Y Standard apparatus for train speedometer |
| 08/15/2000 | US6101879 Rotation speed sensor |
| 08/15/2000 | US6101864 Method and apparatus for generation of test bitstreams and testing of close loop transducers |
| 08/03/2000 | WO2000045181A1 Acceleration sensor and acceleration detection system |
| 07/20/2000 | WO2000041918A1 Control system for passenger protection means in a motor vehicle |
| 07/20/2000 | WO2000041917A1 Method for verifying the function of a control system for passenger protection means in a motor vehicle |
| 07/18/2000 | US6089091 Angular velocity sensor |
| 07/11/2000 | US6088098 Calibration method for a laser-based split-beam method |
| 07/11/2000 | US6087826 Device for detecting electromagnetic stray effects in systems with at least two inductive sensors providing periodic output signal |
| 07/06/2000 | WO2000039593A1 Method and device for adjusting a vane and vane adjustable by said method |
| 07/06/2000 | WO2000039530A1 Sensor device for detecting a physical measured quantity |
| 07/06/2000 | WO2000020839A3 Zero speed indicator testing |
| 07/06/2000 | DE19859828A1 Sensoreinrichtung zur Erfassung einer physikalischen Meßgröße Sensor means for detecting a physical measured variable |
| 07/06/2000 | DE19858621A1 Verfahren zum Verbessern der Meßwerte eines inertialen Meßsystems A method for improving the measurement values of an inertial measurement system |
| 06/29/2000 | WO2000037891A1 Method for improving the measurement values of an inertial measurement system |
| 06/29/2000 | DE19858298A1 Verfahren zur Korrektur eines aus Raddrehzahlsignalen abgeleiteten Signals, das die Fahrzeuggeschwindigkeit repräsentiert A method for correcting a wheel speed signals derived from the signal representing the vehicle speed |
| 06/28/2000 | EP1014108A1 Use of a device in a road vehicle, with which the surroundings of the vehicle can be recognized by means of radar radiations |
| 06/28/2000 | EP1013526A2 Instant detection/diagnosis of abrupt bias fault in signals of vehicle motion sensors |
| 06/28/2000 | EP1013523A2 Behavior control device of vehicle checking occasionally normal operation of longitudinal acc. sensor |
| 06/28/2000 | EP1012607A1 Sensor device |
| 06/28/2000 | EP1012606A1 An accelerometer with a symmetrically bonded proof-mass and method of its fabrication method |
| 06/22/2000 | WO2000036659A1 Semiconductor device |
| 06/14/2000 | EP1007979A1 A method for calibrating a speed or distance measuring device |
| 06/14/2000 | EP0744031B1 A process for producing a calibrated sensor unit |
| 06/08/2000 | DE19949157A1 Yawing rate detector for movement controller of vehicle |
| 06/06/2000 | US6070464 Sensing structure comprising a movable mass and a self-test structure |
| 05/18/2000 | DE19851409A1 Verfahren zur Bestimmung des Nullpunktfehlers eines Akzelerometers A method for determining the zero error of an accelerometer |
| 05/16/2000 | US6064928 Mechanical sensor diagnostic method and system |
| 05/16/2000 | US6064473 Particle measuring apparatus and its calibration method |
| 05/16/2000 | US6062071 Method for detecting combustion misfires in an internal combustion engine |
| 05/10/2000 | EP0999449A1 Method for determining the zero offset error of an accelerometer |
| 05/09/2000 | US6061642 Initial correction factor determining device and device utilizing the same for vehicle |
| 05/03/2000 | EP0997737A1 Semiconductor acceleration sensor and self-diagnosis thereof |
| 05/02/2000 | US6055841 Device for calibrating longitudinal acceleration sensor of vehicle through inertial running |
| 04/20/2000 | DE19845185A1 Sensor mit Resonanzstruktur sowie Vorrichtung und Verfahren zum Selbsttest eines derartigen Sensors Sensor with resonant structure, as well as apparatus and method for self-testing of such a sensor |
| 04/20/2000 | DE19844914A1 Vorrichtung und Verfahren zur Überwachung eines in einem Fahrzeug angeordneten Beschleunigungssensors Apparatus and method for monitoring a arranged in a vehicle acceleration sensor |
| 04/20/2000 | DE19844913A1 Vorrichtung und Verfahren zur Überwachung eines in einem Fahrzeug angeordneten Querbeschleunigungssensor Apparatus and method for monitoring a arranged in a vehicle lateral acceleration sensor |
| 04/20/2000 | DE19844911A1 Determining mounting position parameter of lateral accelerometer in motor vehicle enables detection of faulty accelerometer using diagnostic equipment |
| 04/20/2000 | DE19844880A1 Vehicle accelerometer monitoring device; has low pass filter to form mean value of acceleration that is independent of vehicle maneuvers |
| 04/19/2000 | EP0994357A1 Sensor with diaphragm sensor chip |
| 04/18/2000 | US6050144 Acceleration sensor |
| 04/13/2000 | WO2000020839A2 Zero speed indicator testing |
| 04/13/2000 | WO2000020826A1 Sensor having a resonance structure, especially an acceleration or rotation rate sensor, and a device for carrying out a self-test |
| 04/13/2000 | CA2343128A1 Zero speed indicator testing |
| 04/11/2000 | US6049120 Thermal-stress-resistant semiconductor sensor |
| 03/29/2000 | EP0988564A1 Gravity gradiometer accelerometers |
| 03/22/2000 | EP0987554A1 Measuring circuit |
| 03/14/2000 | US6035694 Method and apparatus for calibration of stray capacitance mismatch in a closed loop electro-mechanical accelerometer |
| 03/14/2000 | US6035693 System for detecting abnormality of yaw rate sensor and lateral acceleration sensor |
| 03/14/2000 | CA2055776C Impact sensor for vehicle safety restraint system |
| 03/09/2000 | DE19937689A1 Bestimmung eines Ausgangsnullpegels eines Winkelgeschwindigkeitssensors Determining a zero output level of an angular velocity sensor |
| 03/08/2000 | EP0983518A1 Method for compensating variations in a wheel speed sensor |
| 03/01/2000 | EP0732593B1 Device for confirming stop of motor |
| 02/29/2000 | US6029497 Process for driving a sensor with offset control |
| 02/22/2000 | US6028371 Process for direction-selective orientation of a passive safety device |
| 02/17/2000 | WO2000008475A1 Motorised mechanism for a window raiser or a sunroof in a vehicle |
| 02/15/2000 | US6024187 Apparatus for detecting anomaly of yaw rate sensor, and vehicle equipped therewith |
| 02/15/2000 | US6023960 Method and apparatus for generation of test bitstreams and testing of closed loop transducers |
| 02/10/2000 | WO2000006433A1 Method and device for recognizing a rough road section in a motor vehicle travel route and speed control |
| 02/08/2000 | US6023664 Vehicle crash sensing system |
| 02/03/2000 | DE19933389A1 Method to identify bad stretch of road being driven on by vehicle and to control vehicle speed accordingly |
| 01/25/2000 | US6016884 Configuration for triggering a personal protection system |
| 01/20/2000 | DE19930561A1 Device for measurement of vehicle velocity has a system based on individual wheel rotational velocity determination |
| 01/13/2000 | DE19828432A1 Vorrichtung zum Auslösen eines Insassenschutzmittels eines Kraftfahrzeugs sowie Verfahren zum Betreiben einer Insassenschutzmittelvorrichtung eines Kraftfahrzeugs Device for triggering an occupant protection means of a motor vehicle and method for operating an occupant protection device of a motor vehicle, means |
| 01/12/2000 | EP0898710A4 Countermeasure circuit for a laser speed detector |
| 01/05/2000 | EP0968406A1 Differential pressure transmitter with highly accurate temperature compensation |
| 01/04/2000 | US6012005 Method and apparatus for monitoring at least one sensor |
| 01/04/2000 | US6011461 Detection of truck speed sensor failure using GPS |
| 12/29/1999 | WO1999067110A1 Device for triggering and method for operating a passenger protection device of an automobile using a testable acceleration switch |
| 12/28/1999 | US6008638 Active motion sensor having post-assembly air slot signal adjustment |
| 12/23/1999 | WO1999066335A1 Method and system for performance testing of rotating machines |
| 12/23/1999 | CA2334962A1 Method and system for performance testing of rotating machines |
| 12/22/1999 | EP0965844A2 Method and device for calibrating a sensor for the dynamic measurement of movements |
| 12/16/1999 | DE19824362A1 Verfahren zur Funktionsüberwachung eines Sensorbausteins sowie Sensorbaustein zur Durchführung des Verfahrens A method for functional monitoring of a sensor block and the sensor block for performing the method |
| 12/15/1999 | EP0932832A4 Vehicle crash sensing system |
| 12/14/1999 | US6002249 Rotation detection sensor |
| 12/14/1999 | US6000287 Capacitor center of area sensitivity in angular motion micro-electromechanical systems |
| 12/08/1999 | EP0962748A1 Method and circuit for monitoring the functioning of a sensor module |
| 12/07/1999 | US5999890 Velocity calculating apparatus |
| 12/01/1999 | EP0961119A2 Method for controlling motor speed |
| 12/01/1999 | EP0906578B1 Acceleration limit sensor |
| 11/23/1999 | US5987921 Method for making a semiconductor acceleration sensor |
| 11/11/1999 | DE19818860A1 Sensor error detection and location method for automobile control-by-wire system |
| 11/10/1999 | EP0954751A1 Method and device for determining exact velocity of a rotating component especially the velocity of a motor vehicle wheel |
| 11/03/1999 | EP0953889A2 Method and device for detecting and locating sensor failures in motor vehicles |
| 10/27/1999 | EP0951636A1 Navigation system with a position sensing device |
| 10/26/1999 | US5970779 System and method for calibrating accelerometer over low (ocean wave) frequencies |
| 10/21/1999 | WO1999053327A1 Method and device for checking the installation air gap of an active sensor |
| 10/21/1999 | DE19912877A1 Verfahren und Vorrichtung zur Kontrolle des Einbauluftspaltes eines aktiven Sensors Method and device for control of the installation the air gap of an active sensor |
| 10/19/1999 | US5969225 Angular-velocity detection apparatus |
| 10/14/1999 | DE19735659C1 Verfahren zur Bestimmung der zurückgelegten Wegstrecke und/oder der Geschwindigkeit eines Fahrzeugs Method for determining the distance traveled and / or the speed of a vehicle |
| 10/13/1999 | EP0753157B1 Micromechanical sensor unit for detecting acceleration |