| Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490) |
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| 06/04/2008 | CN201069364Y Distance measurement wheel zero-reset and improved brake structure |
| 05/28/2008 | EP1924822A1 Method for operating a vibrating gyroscope and sensor arrangement |
| 05/28/2008 | CN101187568A Multi-position strapping north-seeking system direction effect calibration method |
| 05/28/2008 | CN101187567A Optical fiber gyroscope strap-down inertial navigation system initial posture determination method |
| 05/27/2008 | US7379833 Offset correction apparatus and offset correction method for automotive voltage sensor |
| 05/21/2008 | CN201062959Y Simple adjusting and checking device for laser level |
| 05/21/2008 | CN101183040A Optical point-checking device correcting instrument |
| 05/21/2008 | CN101183012A Portable all-station instrument tracking pole correcting rack |
| 05/21/2008 | CN100389304C Multispectral optical source electric control switch platform, and multispectral optical angle guage detecting calibrating instrument based on the same |
| 05/15/2008 | US20080114560 Method and System for Adjusting a Position of an Object |
| 05/15/2008 | US20080110039 Probe system and method for operating a probe system |
| 05/14/2008 | EP1921418A2 Inertial rate sensor and method with built-in testing |
| 05/08/2008 | US20080109182 Method and apparatus for calibrating position of image sensor, and method of detecting position of image sensor |
| 05/07/2008 | EP1917499A1 An orientation sensing apparatus and a method for determining an orientation |
| 05/01/2008 | US20080100824 Self-compensating laser tracker |
| 04/30/2008 | CN201053873Y Rate gyroscope damping ratio test circuit |
| 04/30/2008 | CN101169323A Method for indoor measuring for TV theodolite dynamic angle measurement accuracy using rotary target |
| 04/29/2008 | US7366612 Method and apparatus for compensating attitude of inertial navigation system and method and apparatus for calculating position of inertial navigation system using the same |
| 04/29/2008 | US7364353 Dynamic correction of sensed temperature |
| 04/23/2008 | EP1913337A1 Self-calibration for an inertial instrument based on real time bias estimator |
| 04/23/2008 | CN101166953A Probe calibration |
| 04/17/2008 | US20080088467 System and method for monitoring the life of a physiological sensor |
| 04/16/2008 | CN101162145A Method for eliminating effect of signal intensity changes to fiber optic gyroscope performance |
| 04/16/2008 | CN100381788C High precision low cost starlight simulator |
| 04/16/2008 | CN100381787C Decoupling detecting device for gyroscope scale factor and input shaft default angle |
| 04/15/2008 | US7359818 Sensor apparatus, control system having the same and offset correction method |
| 04/15/2008 | US7359817 Method of and device for re-calibrating three-dimensional visual sensor in robot system |
| 04/15/2008 | US7359047 Device for checking or calibrating the angle-dependent alignment of a high-precision test piece |
| 04/10/2008 | DE102007009664B3 Line camera calibrating device for e.g. remote sensing of ground from flight path, has calibration plate provided for repeatedly providing defined radiation intensity, which partially shades image beam path of one of image acquisition units |
| 04/09/2008 | CN101158593A Leveling compensating mechanism in photoelectric measurement instrument |
| 04/09/2008 | CN101158588A MEMS gyroscopes error compensation method for micro satellite based on integration nerval net |
| 04/09/2008 | CN101158582A Difference measurement method for MEMS gyroscopes |
| 04/09/2008 | CN100380098C Vehicle behavior detector, in-vehicle processing system, detection information calibrator, and in-vehicle processor |
| 04/08/2008 | CA2341402C Mounting and switching of survey apparatus |
| 04/03/2008 | US20080081482 Selective-redeposition structures for calibrating a plasma process |
| 04/02/2008 | EP1904805A1 Method for determining and correcting incorrect orientations and offsets of the sensors of an inertial measurement unit in a land vehicle |
| 04/02/2008 | CN100378436C Digital level gauge and optical level gauge indoor detection device |
| 03/27/2008 | WO2008036167A2 Non-invasive tracking device and method |
| 03/27/2008 | DE102006043385A1 Vorrichtung zur mehrstufigen Dämpfung einfallender Strahlungsenergie Apparatus for multi-stage attenuation of incident radiation energy |
| 03/27/2008 | DE102006040477A1 Earth-bound global navigation satellite system test environment for testing satellite user navigation receiver, has processing device with unit for evaluating signals transmitted by transmitters using geographical position |
| 03/26/2008 | CN101149264A Resonance type optical fiber peg-top signal detection method and device based on coordinate rotation digital computer algorithm |
| 03/25/2008 | US7349580 Apparatus and method for calibrating zoom lens |
| 03/20/2008 | WO2008031450A1 Correction of calibration errors in an optical instrument |
| 03/20/2008 | US20080071195 Non-invasive tracking device and method |
| 03/20/2008 | US20080066332 Diameter Measuring Device |
| 03/20/2008 | US20080066329 Laser level |
| 03/19/2008 | CN101144720A Optical fiber peg-top transition time on-line precise measuring method |
| 03/19/2008 | CN100375889C Inclinometer calibration system and calibration method thereof |
| 03/13/2008 | US20080065341 Surface-profile measuring instrument |
| 03/12/2008 | CN201034614Y Calibrating apparatus of optical plumbing instrument |
| 03/12/2008 | CN201034613Y Laser collimator calibrating apparatus |
| 03/05/2008 | EP1895268A2 Systems and Methods for Detecting and Alerting Mis-Setting of Barometric Altimeter Setting During A Transition Altitude |
| 02/28/2008 | US20080051987 Bearing Calculator and Error Correction Method |
| 02/27/2008 | EP1892504A2 Method and system for detection and remediation of the degradation of the sensor signal in a monitoring device |
| 02/26/2008 | US7334450 Water cut measurement with improved correction for density |
| 02/21/2008 | US20080046213 Method and System for Detection and Remediation of Sensor Degradation in a Monitoring Device |
| 02/14/2008 | WO2008017324A1 Spirit level with an additional element |
| 02/13/2008 | CN100368774C Engineering implementation method for quick starting inertial measurement unit of optical fiber gyroscope and guaranteeing precision |
| 02/12/2008 | US7330241 Optical distance measuring sensor, self-propelled cleaner, and air conditioner |
| 02/06/2008 | CN201016741Y GPS/INS combined positioning guidance system |
| 02/06/2008 | CN100367004C Precise decoupling detecting method for gyroscope scale factor and input shaft default angle |
| 01/29/2008 | US7324910 Sensor array for navigation on surfaces |
| 01/22/2008 | US7321839 Method and apparatus for calibration of camera system, and method of manufacturing camera system |
| 01/17/2008 | US20080015807 Transferring data in a portable electronic device |
| 01/17/2008 | US20080015805 Displacement detecting encoder |
| 01/17/2008 | US20080011043 Circuit configuration and method for ascertaining tilt errors in connection with a position-measuring device |
| 01/17/2008 | US20080010845 Apparatus for cleaning a wafer substrate |
| 01/17/2008 | DE102006032270A1 Testing method for e.g. mobile radio receiving device, involves loading radio receiving device in temporally extensive test program with radio waves of preset frequency according to prior stored field strength-time curve |
| 01/16/2008 | EP1877732A2 Probe calibration |
| 01/16/2008 | CN101105422A Depolarizer performance accurate estimation method |
| 01/09/2008 | CN201003957Y Calibration frame for magnetic azimuth instrument |
| 01/02/2008 | CN101099076A Hybrid inertial navigation system based on a kinematic model |
| 12/26/2007 | EP1870669A2 Method for checking the inert measuring unit of vehicles, in particular aircraft, in a stationary state |
| 12/20/2007 | US20070294045 Portable coordinate measurement machine with integrated line laser scanner |
| 12/19/2007 | CN200992635Y Needle distance seat measuring device for high speed lockstitch sewing machine |
| 12/13/2007 | US20070288121 Movable body drive method, movable body drive system, pattern formation method, pattern forming apparatus, exposure method, exposure apparatus, and device manufacturing method |
| 12/12/2007 | EP1229304B1 Method and device for diagnosing trouble with sensor function |
| 12/11/2007 | US7307736 Scale for use with a translation and orientation sensing system |
| 12/06/2007 | US20070282553 Sensor apparatus, control system having the same and offset correction method |
| 12/06/2007 | US20070282552 Adaptive Control Device, Use Thereof, Sensor Comprising A Control Device Of This Type And Adptive Method For The Automatic Compensation Of The Parasitic Signals Of A Sensor |
| 12/05/2007 | EP1862763A2 Rapid self-alignment of a strapdown inertial system through real-time reprocessing |
| 12/05/2007 | CN200986436Y Device for detecting location deviation of visual laser beam |
| 12/04/2007 | US7305317 Joint approach of out-of-range detection and fault detection for power plant monitoring |
| 11/30/2007 | CA2590635A1 Rapid self-alignment of a strapdown inertial system through real-time reprocessing |
| 11/30/2007 | CA2590134A1 High speed gyrocompass alignment via multiple kalman filter based hypothesis testing |
| 11/29/2007 | US20070276562 Determination Of The Absolute Angular Position Of A Steering Wheel By Binary Sequences Discrimination |
| 11/29/2007 | US20070273540 Gas sensor system with failure diagnostic function and failure diagnosis method for gas sensor system |
| 11/27/2007 | US7301560 Three-dimensional field for calibration and method of photographing the same |
| 11/27/2007 | US7299556 Method for checking or calibrating the angle-dependent alignment of a high-precision test-piece |
| 11/22/2007 | WO2007101724A3 Portable navigation device with accelerometer |
| 11/21/2007 | EP1857777A1 Level, level vial and manufacturing method therefor |
| 11/21/2007 | CN100350339C Method for compensating rotating position error of robot cleaner |
| 11/20/2007 | US7298281 System and method for verifying installation of a tank level monitor |
| 11/14/2007 | CN101071068A Co-channel interference measuring method of signal processing device for interference optical fiber gyroscope |
| 11/14/2007 | CN100348460C Star sensor calibrating method based on star field |
| 11/08/2007 | WO2007125377A1 Calibration |
| 11/06/2007 | US7292952 Replacing a signal from a failed sensor in a computer system with an estimated signal derived from correlations with other signals |
| 11/01/2007 | WO2007048931A3 Method for setting an aircraft barometric altitude |
| 10/31/2007 | EP1850090A2 Systems and methods for creating mems gyros |
| 10/25/2007 | US20070245800 Inertial measurement system and method with sensor bias cancellation |