| 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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| 04/24/2013 | CN103063229A System for testing transfer function and sensitivity of pendulum inclinometer and testing method |
| 04/24/2013 | CN103063228A Gyroscope static calibration method |
| 04/24/2013 | CN103063227A Pointing device assisting in light path butt joint of theodolite and target and light path butt joint method |
| 04/24/2013 | CN103063226A Global position system (GPS) detection system used for motormeters |
| 04/23/2013 | US8424364 Active scanner bow compensator |
| 04/18/2013 | WO2012096876A3 Camera - based inertial sensor alignment for personal navigation device |
| 04/17/2013 | EP2581748A1 Method and apparatus for the determination of inertial parameters |
| 04/17/2013 | CN202885837U Vertical transmission indoor optical standard calibration system |
| 04/17/2013 | CN202885836U Theodolite level one circle measurement precision testing system under extreme temperature condition |
| 04/17/2013 | CN1954189B Error correction for vibratory rate gyroscope |
| 04/17/2013 | CN103048000A X-ray pulsar navigation ground test system |
| 04/17/2013 | CN103047999A Quick estimation method for gyro errors in ship-borne master/sub inertial navigation transfer alignment process |
| 04/17/2013 | CN103047998A System and method for detecting detectivity of space optical system |
| 04/17/2013 | CN103047986A Large-scale space-time and on-orbit dynamic effect simulation method |
| 04/17/2013 | CN102288133B Installation deflection angle calibration method of gyro indirect stable system |
| 04/17/2013 | CN101903779B Method of correcting the gain of a capacitive unit and device for implementing same |
| 04/10/2013 | EP2577227A1 Method of determining an arrangement of a portable communication device within a coordinate system of a vehicle, corresponding computing unit and portable communication device |
| 04/10/2013 | CN103033199A Monitoring system for distance measurement equipment |
| 04/10/2013 | CN103033198A Method for setting random error parameter of fiber gyroscope simulated signal |
| 04/10/2013 | CN103033197A Method for correcting zero drift of MEMS gyroscope |
| 04/10/2013 | CN103033196A Electronic star simulator for APS star sensor |
| 04/10/2013 | CN103033195A Test device applicable to height indicator simulation test |
| 04/10/2013 | CN103033184A Error correction method, device and system for inertial navigation system |
| 04/10/2013 | CN102288388B Device and method for improving polarization-maintaining optical fiber polarization coupling measurement precision and symmetry |
| 04/10/2013 | CN102183264B Testing system and method for high-efficiency integrated optical fiber gyroscope |
| 04/10/2013 | CN102128638B Method for detecting optical fiber gyroscope semifinished product detection board |
| 04/10/2013 | CN102003969B Automatic calibration device for clinometer |
| 04/09/2013 | US8417856 High speed sensor data transfer interface |
| 04/04/2013 | US20130085628 Modified Kalman Filter for Generation of Attitude Error Corrections |
| 04/03/2013 | EP2574880A2 A method, apparatus and system with error correction for an inertial navigation system |
| 04/03/2013 | CN103026176A Apparatus and methods for calibrating dynamic parameters of a vehicle navigation system |
| 04/03/2013 | CN103017794A System and method for testing transfer function and sensitivity of water tube inclinometer |
| 04/03/2013 | CN103017793A Method for stabilizing visual axis of ship-bone theodolite during ship swing |
| 04/03/2013 | CN103017792A Orientation reference mirror |
| 04/03/2013 | CN103017791A Method for distinguishing error source of angle measuring instrument at high accuracy |
| 04/03/2013 | CN103017790A Loading device for overload shock of gyro-stabilized platform |
| 04/03/2013 | CN103017789A Fault simulation method for swing type infrared earth sensor |
| 04/03/2013 | CN103017788A Interplanetary autonomous navigation ground test verification system based on information fusion |
| 04/03/2013 | CN103017787A Initial alignment method suitable for rocking base |
| 04/03/2013 | CN103017786A Self-balanced two-wheeled vehicle steering offset calibrating device and calibrating method |
| 04/03/2013 | CN103017785A Gyroscope sensor calibrating device and calibrating method |
| 04/03/2013 | CN103017745A Method for using micromechanical gyroscope (MEMS) (Micro-electromechanical System) in deep space exploration |
| 04/03/2013 | CN102243136B Laser gyro optical resonant cavity loss measurement system based on resonance method |
| 04/03/2013 | CN102134053B Manufacturing method of biaxial MEMS (micro-electro-mechanical system) gyroscope |
| 04/03/2013 | CA2782275A1 Modified kalman filter for generation of attitude error corrections |
| 03/27/2013 | EP2573515A1 Vibrating gyroscope calibration |
| 03/27/2013 | CN202836584U Map data test auxiliary system |
| 03/27/2013 | CN202836583U Rotary speed generator for testing mechanical speedometer |
| 03/27/2013 | CN102997936A Method for measuring tuning frequency of dynamically tuned gyroscope by closed loop tests |
| 03/27/2013 | CN102997935A Autonomous global navigation chart (GNC) simulation test system based on optical and inertial combined measurement |
| 03/27/2013 | CN102997934A Calibration method for improving accuracy of digitilized intelligent clinometer |
| 03/27/2013 | CN102997933A Method and device for determining zero offset error of gyroscope as well as system comprising same |
| 03/27/2013 | CN102997932A Method for eliminating shaking impact of rotation table during high precision inertial navigation system calibration |
| 03/27/2013 | CN102997895A Method for installing and calibrating digitalized intelligent clinometer |
| 03/21/2013 | WO2013037855A1 Sensor system comprising a vehicle model unit |
| 03/21/2013 | WO2013037854A1 Sensor system comprising a fusion filter for common signal processing |
| 03/21/2013 | WO2013037853A1 Orientation model for a sensor system |
| 03/20/2013 | CN202814413U High-precision calibration plate for calibrating camera parameters |
| 03/20/2013 | CN202814412U Vector decomposition method based system for measuring tracking accuracy of photovoltaic tracking system |
| 03/20/2013 | CN102980592A Method and device for automatically computing vehicle pulse factor via GPS (global positioning system) longitude and latitude |
| 03/20/2013 | CN102980591A Laser profile modification method for reducing modal coupling error of vibratory silicon micro-machined gyroscope |
| 03/20/2013 | CN102980590A Calibration method for ground-to-ground airborne sensor |
| 03/20/2013 | CN102252690B Measuring system of relative position of laser mode and aperture and measuring method thereof |
| 03/20/2013 | CN102221371B Method for high precision compensation of photoelectric theodolite vertical angle |
| 03/20/2013 | CN102175261B Visual measuring system based on self-adapting targets and calibrating method thereof |
| 03/19/2013 | CA2534041C Device for checking or calibrating the angle-dependent alignment of a high-precision test piece |
| 03/14/2013 | WO2013033756A1 A method and system of determining an inertial sensor orientation offset |
| 03/14/2013 | WO2013033755A1 A method and system of recalibrating an inertial sensor |
| 03/14/2013 | WO2013033754A1 A method and system of recalibrating an inertial sensor |
| 03/14/2013 | WO2013033753A1 Method of recalibrating inertial sensors |
| 03/14/2013 | US20130066578 Method and device for determining zero-rate offset of a gyroscope, and system comprising the device |
| 03/14/2013 | US20130061672 Uniaxial or biaxial microelectromechanical gyroscope with improved sensitivity to angular velocity detection |
| 03/14/2013 | DE102011113196A1 Method for determining misalignment of sensor device in vehicle e.g. motor car, involves determining location of sensor service during travel and calculating measured value representing inaccurate angle with respect to target position |
| 03/14/2013 | CA2848150A1 Method of recalibrating inertial sensors |
| 03/14/2013 | CA2848102A1 A method and system of recalibrating an inertial sensor |
| 03/14/2013 | CA2847951A1 A method and system of determining an inertial sensor orientation offset |
| 03/14/2013 | CA2846647A1 A method and system of recalibrating an inertial sensor |
| 03/13/2013 | EP2567192A1 Orientation sensor calibration |
| 03/13/2013 | CN202793408U Hermetical sealing device of laser gyroscope |
| 03/13/2013 | CN102322872B Ground indoor verification method for navigation control performance of moon and deep-space detector |
| 03/07/2013 | WO2013009357A3 Inertial navigation common azimuth reference determination system and method |
| 03/07/2013 | US20130055787 Coriolis gyroscope having correction units and method for reducing the quadrature bias |
| 03/06/2013 | CN102954804A Sensor orthogonal calibration method for oil drilling measurement |
| 03/06/2013 | CN102135436B Data asynchronous acquisition system of fiber optic gyroscope |
| 02/27/2013 | CN202757628U Centering rod slant correction device |
| 02/27/2013 | CN202757614U Intelligent clinometer based on Control Area Network Open (CanOpen) field bus |
| 02/27/2013 | CN202757612U Digitalizing tilt meter |
| 02/27/2013 | CN102944231A Optical path assembly auxiliary device of three-axis integral optical fiber gyroscope |
| 02/27/2013 | CN102175265B Probe simulator of code disc type sun sensor |
| 02/27/2013 | CN102175263B Method for establishing submillimeter-level three-dimensional control field of non-forced centering free observation post |
| 02/27/2013 | CN102155957B Mobile strapdown attitude and heading reference based method for calibrating marine optical fiber gyroscope assembly on line |
| 02/21/2013 | WO2013025507A1 Methods and apparatuses for use in classifying a motion state of a mobile device |
| 02/21/2013 | WO2013023400A1 Error correction, angular speed detection and mouse control method and device, and spatial mouse |
| 02/20/2013 | CN202748472U Three-axis parallelism detection device of pulse laser range finder |
| 02/20/2013 | CN202748035U Projectile motion simulation device in trajectory |
| 02/20/2013 | CN102937454A Energy compensation and chromatic aberration removal method for total-reflection optical splicing cameras |
| 02/19/2013 | US8378780 Connected sensor system, network unit, and sensor unit |
| 02/13/2013 | CN202734836U Special detecting equipment of locating and orientating navigation system computer assembly |
| 02/13/2013 | CN202734835U Wave/tide testing and verifying system device |
| 02/13/2013 | CN102927997A Electric excitation generating device and method for static infrared earth sensor |