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