| 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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| 09/11/2013 | CN102023232B Velocity calculating device, velocity calculating method, and navigation device |
| 09/04/2013 | EP2634534A2 Systems and methods to incorporate master navigation system resets during transfer alignment |
| 09/04/2013 | CN103282793A Camera-based position location and navigation based on image processing |
| 09/04/2013 | CN103278180A Calibrating method of control-point-free camera measurement system in field of view based on total station |
| 09/04/2013 | CN103278179A Space camera field curvature detection device and method |
| 09/04/2013 | CN103278178A Flexural deformation measurement method capable of considering transmission delay in transfer alignment |
| 09/04/2013 | CN103278177A Calibration method of inertial measurement unit based on camera network measurement |
| 09/04/2013 | CN103278176A GPS and GNC navigation system test equipment of helicopter |
| 09/04/2013 | CN103278146A Measurement and mounting method of target spots on plane calibration target plate |
| 09/03/2013 | US8527230 Sensor control apparatus |
| 09/03/2013 | US8527228 Calibration for three dimensional motion sensor |
| 08/28/2013 | CN103267533A Practical high spectrum remote sensing image atmosphere self-correction method and apparatus |
| 08/28/2013 | CN103267532A GPS multi-star simulation testing system |
| 08/28/2013 | CN103267531A Method for high-precision compensation of fiber-optic gyroscope random error |
| 08/27/2013 | CA2534050C Method for checking or calibrating the angle-dependent alignment of a high-precision test piece |
| 08/22/2013 | US20130218504 Estimation of conventional inertial sensor errors with atomic inertial sensor |
| 08/22/2013 | US20130213111 Method and a system for harmonizing a frame of reference of an angular positioner relative to a terrestrial frame of reference |
| 08/21/2013 | EP2629053A2 Estimation of conventional inertial sensor errors with atomic inertial sensor |
| 08/21/2013 | EP2627237A2 Method and device for calibrating an optical system, distance determining device, and optical system |
| 08/21/2013 | CN203148445U Calibration fine-adjustment device for surveying and mapping instrument |
| 08/21/2013 | CN203148444U Driving navigator detection system based on CAN (Controller Area Network) bus |
| 08/21/2013 | CN203148434U Centering rod circular level with protection device |
| 08/21/2013 | CN103257251A Gesture detecting device |
| 08/21/2013 | CN103256944A Atmospheric refraction error eliminating method of pipe jacking automatic measuring and guiding system |
| 08/21/2013 | CN103256943A Compensation method for scale factor error in single-axial rotating strapdown inertial navigation system |
| 08/21/2013 | CN103256942A Deformation angle measuring method in transfer alignment by considering lever arm compensation |
| 08/21/2013 | CN103256941A Practical method of high order temperature compensation for MEMS (Micro Electro Mechanical Systems) gyroscope |
| 08/21/2013 | CN103256928A Distributed inertial navigation system and posture transfer alignment method thereof |
| 08/21/2013 | CN102298114B Dynamic test system of magnetic levitation system |
| 08/14/2013 | CN203132560U Navigator mainboard testing jig |
| 08/14/2013 | CN103246366A Dynamic offset calibration |
| 08/14/2013 | CN103245364A Method for testing dynamic performance of star sensor |
| 08/14/2013 | CN103245363A Rolling angle correcting method of automatic measuring and guiding system for pipe jacking |
| 08/14/2013 | CN103245362A Method for correcting prism error of automatic pipe-jacking measurement guide system |
| 08/14/2013 | CN103245361A Pose correction platform for nuclear power station rescue robot |
| 08/14/2013 | CN103245360A Autocollimation method of carrier aircraft rotating type strapdown inertial navigation system under shaking base |
| 08/14/2013 | CN103245359A Method for calibrating fixed errors of inertial sensor in inertial navigation system in real time |
| 08/14/2013 | CN103245358A System-level calibrating method for asymmetric errors of scale factor of fiber-optic gyroscope |
| 08/14/2013 | CN103245357A Secondary quick alignment method of marine strapdown inertial navigation system |
| 08/14/2013 | CN103245328A Automatic universal digital attitude measuring circuit |
| 08/14/2013 | CN102506895B Three-dimensional deformation precision inspection device of measuring apparatus |
| 08/14/2013 | CN102353387B Automated testing system and method for index parameters of fiber optic gyro |
| 08/13/2013 | US8505359 System and method for determining a gate position |
| 08/13/2013 | US8505358 Method for adjusting resonance frequencies of a vibrating microelectromechanical device |
| 08/13/2013 | US8505357 Method for adjusting resonance frequencies of a vibrating microelectromechanical device |
| 08/08/2013 | US20130204567 Method and arrangement for determining altitude |
| 08/08/2013 | US20130204565 Calibration of Vibrating Gyroscope |
| 08/07/2013 | EP2623931A1 I-beam level |
| 08/07/2013 | CN103234560A Zero calibration method for strapdown inertial navigation system |
| 08/07/2013 | CN103234559A High-precision simulation mileage signal generator |
| 08/07/2013 | CN103234558A Fiber-optic gyroscope calibration method based on regular hexahedron and marble platform |
| 08/07/2013 | CN103234557A Quadrantal point motion simulation stand |
| 08/07/2013 | CN103234556A In-orbit calibration method of star sensor lens distortion and satellite attitude determination method based on starlight vector correction |
| 08/07/2013 | CN103234555A Photoelectric stabilized platform assembly zero calibration method |
| 08/07/2013 | CN103234554A System-level fitting calibration method for quadratic term error of accelerometer |
| 08/07/2013 | CN103234553A Fault diagnosis method for gyro measurement system |
| 08/07/2013 | CN103234552A Optical navigation target satellite analog simulation image generating method |
| 08/07/2013 | CN102778240B Physical model-based gyroscope storage life acceleration test scheme determining method |
| 08/01/2013 | US20130197846 Thickness measurement apparatus and method thereof |
| 08/01/2013 | US20130197845 N-use automatic calibration methodology for sensors in mobile devices |
| 07/31/2013 | CN203100746U Camera model calibration device |
| 07/31/2013 | CN203100745U Calibrator for measuring instrument base |
| 07/31/2013 | CN103226022A Alignment method and system for movable base used for integrated navigation system |
| 07/31/2013 | CN103226021A Practical inertial navigation system calibration method |
| 07/31/2013 | CN102419182B Simulation test method and simulation test platform for inertial navigation |
| 07/31/2013 | CN102375145B Method for estimating measurement accuracy of local global positioning system (GPS) based on tested triangular piece |
| 07/31/2013 | CN101943585B Calibration method based on CCD star sensor |
| 07/30/2013 | US8496613 In situ tubing measurements for infusion pumps |
| 07/24/2013 | EP2616825A1 Method for automated position verification |
| 07/24/2013 | CN103221788A Device and method of gyro sensor calibration |
| 07/24/2013 | CN103217176A Method for eliminating null shift of micro-electromechanical system (MEMS) gyroscope |
| 07/24/2013 | CN103217175A Self-adaptive volume Kalman filtering method |
| 07/24/2013 | CN103217174A Initial alignment method of strap-down inertial navigation system based on low-precision micro electro mechanical system |
| 07/24/2013 | CN103217173A CAN bus based driving navigator detection system |
| 07/24/2013 | CN103217172A Fault detection method for Kalman filtering sensor information fusion |
| 07/24/2013 | CN103217159A SINS/GPS/polarized light combination navigation system modeling and dynamic pedestal initial aligning method |
| 07/24/2013 | CN103213939A Processing method of four-mass-block silicon micro-electromechanical gyro structure mechanism |
| 07/17/2013 | CN203069194U Integrative testing equipment applied to aircraft navigation system |
| 07/17/2013 | CN203069193U Device for locating and bonding of inertial device coil |
| 07/17/2013 | CN203069192U Device for testing transmission function and sensitivity of pendulum type inclinometer |
| 07/17/2013 | CN203069191U Testing system of dead reckoning inertial navigation device |
| 07/17/2013 | CN203064208U Integral test equipment applied to aircraft instrument |
| 07/17/2013 | CN103206966A Precision measurement error correction method for single-axis air bearing table |
| 07/17/2013 | CN103206965A Correction device and correction method of angular velocity errors of vehicle gyroscope |
| 07/17/2013 | CN103206964A Spectral-weight-tunable weak light magnitude simulation system |
| 07/17/2013 | CN103206963A Large-caliber parasitic light-eliminating star simulator system |
| 07/11/2013 | US20130179107 Moving stage estimation apparatus, method and program |
| 07/10/2013 | CN203053456U Batch micromechanical gyroscope testing device |
| 07/10/2013 | CN203053455U Adjusting device of dual-band video detector |
| 07/10/2013 | CN203053454U Detection capacity detection system of space optical system |
| 07/10/2013 | CN203053453U Electric excitation generation device for static infrared earth sensor |
| 07/10/2013 | CN103196464A Testing system for vehicle-mounted multimedia terminal |
| 07/10/2013 | CN103196463A Realization method of calibration system of strapdown inertial measurement unit based on Labview |
| 07/10/2013 | CN103196462A Compensation method for error calibration of MEMS gyroscope in MIMU |
| 07/10/2013 | CN103196461A Compensation method for geometrical measurement errors of radio altimeter in unmanned plane |
| 07/10/2013 | CN103196448A Airborne distributed inertial attitude measurement system and transfer alignment method of airborne distributed inertial attitude measurement system |
| 07/10/2013 | CN102435208B Flexible gyroscope unlocking detection method for platform type inertial navigation system |
| 07/10/2013 | CN102261920B System and method for detecting three-dimensional sensor |
| 07/04/2013 | US20130173201 Machine sensor calibration system |
| 07/03/2013 | CN203037264U Comprehensive Russian-made landing equipment tester |