| 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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| 06/27/2012 | CN102519483A Self-detecting method for working state of gyro |
| 06/27/2012 | CN102519482A Calibration positioning device |
| 06/27/2012 | CN102519455A Autonomous navigation semi-physical simulation test system based on ultraviolet sensor |
| 06/27/2012 | CN102519454A Selenocentric direction correction method for sun-earth-moon navigation |
| 06/27/2012 | CN102519437A Space optical remote sensing camera simulated in-orbit flight special test apparatus |
| 06/27/2012 | CN102519433A Method for inverting geometric calibrating parameter of satellite-borne linear array sensor by using RPC (Remote Position Control) |
| 06/27/2012 | CN102168988B Double-waveband collimator-tube target simulator |
| 06/27/2012 | CN102135434B Method for error compensation of inertial measurement unit (IMU) |
| 06/27/2012 | CN101738204B Temperature compensation method for optical fiber gyroscope |
| 06/21/2012 | DE10131760B4 Verfahren zum Testen eines Sensors A method for testing a sensor |
| 06/20/2012 | EP2466257A1 Method for matching the natural frequencies of the drive and sense oscillators in a vibrating coriolis gyroscope |
| 06/20/2012 | CN202281603U 一种数字化智能倾斜仪 A digital intelligent inclinometer |
| 06/20/2012 | CN102508034A Method and device for measuring parameters of micro solid gyroscope equivalent circuit |
| 06/20/2012 | CN102506930A Checking device and method of aerial remote sensing integrated system |
| 06/20/2012 | CN102506902A Device and method for evaluating accuracy of prism-free distance measurement of total station |
| 06/20/2012 | CN102506901A Multi-serial-port navigation information simulation integrated system |
| 06/20/2012 | CN102506900A Coordinate direction correction method in vision measurement system, and device thereof |
| 06/20/2012 | CN102506899A Ground experiment system for verifying of vision guidance landing algorithm of flight vehicle |
| 06/20/2012 | CN102506898A Genetic algorithm-based calibration method for inertial/geomagnetic sensors |
| 06/20/2012 | CN102506897A Linear vibration and overload combinatorial testing method and apparatus thereof |
| 06/20/2012 | CN102506896A Device and method for testing back scattering noise in resonator optical gyro (ROG) by resonant cavity technology |
| 06/20/2012 | CN102506895A Three-dimensional deformation precision inspection device of measuring apparatus |
| 06/20/2012 | CN102506894A Stationary base platform absolute space attitude reference establishing method based on precise timing |
| 06/20/2012 | CN102506893A Star sensor low-frequency error compensation method based on landmark information |
| 06/20/2012 | CN102506858A Satellite navigation system assisted inertial sensor axial direction rapid identification method |
| 06/20/2012 | CN102506856A Method for improving sensitivity of advanced photo system (APS) star sensor |
| 06/20/2012 | CN102506845A Low loss measurement method and ring resonant cavity installation debugging system based on low loss measurement |
| 06/20/2012 | CN102506841A Hemitoroidal resonator gyroscope |
| 06/20/2012 | CN101929871B Fault detection method of inertial system state selector |
| 06/19/2012 | US8201436 Calibration |
| 06/13/2012 | EP2463626A2 Apparatus for applying multi-axial inertial force |
| 06/13/2012 | CN102494699A Method for evaluating confidence of measuring parameters of strap-down air-borne gravimeter |
| 06/13/2012 | CN102494698A Calibration method for inner orientation elements in lab |
| 06/13/2012 | CN102494697A Outfield vehicle optical moving target detection apparatus and detection method thereof |
| 06/13/2012 | CN102494696A Matching design method for control system and imaging system |
| 06/13/2012 | CN102494695A High-efficiency MTBF (Mean Time Between Failures) proof test method applied to ship navigation product |
| 06/13/2012 | CN102494665A Method for measuring torsion angle of altazimuth equipment on basis of laser communication |
| 06/13/2012 | CN102116643B Image simulation and display device for space camera with high resolution and wide coverage |
| 06/12/2012 | CA2472292C Process and apparatus for monitoring the validity of speed data for an aircraft and speed-data generating system having such an apparatus |
| 06/07/2012 | WO2012075465A1 Inertial sensor aided heading and positioning for gnss vehicle navigation |
| 06/06/2012 | DE102011055862A1 Method for adjusting e.g. electronic device, involves adjusting base approximate value to high value of region, and determining high threshold value and low threshold value based on base approximate value |
| 06/06/2012 | CN202267483U 一种道路几何数据仪标定装置 A road geometry data analyzer calibration device |
| 06/06/2012 | CN102486381A Analog manipulation and performance test device for unmanned manipulation system and its method thereof |
| 06/06/2012 | CN102012237B Method for testing dynamic lock area of prismatic laser gyro |
| 06/06/2012 | CN101975587B Leveling system of laser leveling instrument and debugging method thereof |
| 06/06/2012 | CN101865697B Minitype two-axle rotating table based on stepping motor |
| 06/06/2012 | CN101655371B Position signal damping method of inertial navigation system based on variable damping coefficient |
| 05/31/2012 | WO2012069324A1 Method and device for determining motion parameters |
| 05/31/2012 | US20120136604 Method and apparatus for 3d attitude estimation |
| 05/30/2012 | CN202255416U Automatic conducting ring detection system |
| 05/30/2012 | CN202255415U Control switching device for inner light path of laser range finder |
| 05/30/2012 | CN202255414U Tilt angle calibration device |
| 05/30/2012 | CN101975584B Open loop measuring method applicable to detection circuit system error of interference optical fiber gyroscope |
| 05/29/2012 | US8190389 Adapter for attaching electromagnetic image guidance components to a medical device |
| 05/24/2012 | US20120130667 Calibration apparatus, calibration method, and manufacturing method for an electronic device |
| 05/24/2012 | US20120127455 Stationing an unleveled optical total station |
| 05/24/2012 | US20120125077 Downhole instrument calibration during formation survey |
| 05/23/2012 | CN202229769U Device for inspecting three-dimensional deformation precision of measuring instrument |
| 05/23/2012 | CN102472632A 惯性传感器的校准方法 Inertial sensor calibration method |
| 05/23/2012 | CN102109358B Position correction method of laser gyro inertial navigation system for boat |
| 05/23/2012 | CN101975586B Leveling system of laser leveling device and adjusting method thereof |
| 05/23/2012 | CN101793529B Double pseudo satellite aided position calibration method of inertial navigation system |
| 05/23/2012 | CN101769761B Device for testing radial magnetic field sensitivity of fiber optic gyro |
| 05/23/2012 | CA2758674A1 Combined stand-by instrument and method for calibrating the combined stand-by instrument |
| 05/18/2012 | WO2012064776A2 Device and method of gyro sensor calibration |
| 05/16/2012 | EP2452156A1 Accelerometer system and method |
| 05/16/2012 | CN102455369A 一种高精度速度、位移标定仪用测试系统 A high precision velocity, displacement calibrator with the test system |
| 05/15/2012 | US8180588 Compensation method for structural deformation occurring during construction of super tall building |
| 05/09/2012 | CN202216700U Inertial navigation simulation test platform |
| 05/09/2012 | CN202216699U Detection debugging system for level bubbles of level bar |
| 05/09/2012 | CN102449436A Method and apparatus for accurate acquisition of inertial sensor data by compensating the relative processing delays between signal channels |
| 05/09/2012 | CN102445215A Elevating device for testing flexible gyroscope annunciator |
| 05/09/2012 | CN102445200A Microminiature personal combined navigation system as well as navigating and positioning method thereof |
| 05/09/2012 | CN102445189A Self-correcting pillar inclined value laser measuring device |
| 05/09/2012 | CN102135435B Error correction method and device for digital sun sensor |
| 05/09/2012 | CN101943584B Alignment method based on CCD (Charge Coupled Device) star sensor |
| 05/09/2012 | CN101936745B Platform inertial navigation gyro constant drift calibration method |
| 05/08/2012 | US8173962 Pattern displacement measuring method and pattern measuring device |
| 05/08/2012 | US8171770 Calibration tool for air data measurement devices |
| 05/03/2012 | US20120109562 Rotational angle detection device |
| 05/03/2012 | US20120105823 Color sensor insensitive to distance variations |
| 05/02/2012 | CN102435210A Separable demoulding skeleton for manufacturing optic fiber loop of optic fiber gyroscope |
| 05/02/2012 | CN102435209A Method for eliminating obliquity sensor signal baseline drift |
| 05/02/2012 | CN102435208A Flexible gyroscope unlocking detection method for platform type inertial navigation system |
| 05/02/2012 | CN102435207A Rotary joint-free double-shaft rotary table structure with incubator |
| 05/02/2012 | CN102435206A Automatic calibrating and compensating method of onboard mounting deflection angle of strapdown inertial navigation system |
| 05/02/2012 | CN102435205A Fiber optic gyro reliability prediction model |
| 05/02/2012 | CN102435204A Precision compensation method for area APS (active pixel sensor) digital sun sensor |
| 05/02/2012 | CN102435191A Disassembly-free single-shaft self-calibration strapdown inertial measurement unit device |
| 05/02/2012 | CN102435190A Redundancy sensor inertial measurement device |
| 05/02/2012 | CN101832772B Calibrating method of laser dot-matrix device of obstacle avoidance system of lunar rover |
| 04/25/2012 | CN102426027A Inner optical system control and switching apparatus for laser range finder |
| 04/25/2012 | CN102426026A Star simulator and star sensor ground calibration device |
| 04/25/2012 | CN102426025A 遥感卫星姿态机动时偏流修正角的仿真分析方法 Remote sensing satellite attitude maneuver simulation analysis method bias correction angle |
| 04/25/2012 | CN101738205B 一种惯性测量单元动态测试设备 An inertial measurement unit Dynamic Test Equipment |
| 04/25/2012 | CN101223417B 用于确定和校正陆上运输工具中的惯性测量单元的传感器的错误定向和偏差的方法 The method used to determine and correct the sensor in the land conveyance inertial measurement unit orientation and deviation errors |
| 04/19/2012 | WO2012049605A1 Multiple data sources pedestrian navigation system |
| 04/19/2012 | WO2012049492A1 Positioning system |
| 04/19/2012 | US20120095685 Reducing error contributions to gyroscopic measurements from a wellbore survey system |
| 04/18/2012 | CN202195822U 一种无线电高度表的光纤检测仪 A radio altimeter fiber detector |