| 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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| 07/03/2013 | CN203037263U Mileage modification value obtaining device based on railway track insulation joint frequency shift signal |
| 06/26/2013 | CN103175546A Automatic detection device for vertical angle of angle measurement orientation equipment |
| 06/26/2013 | CN103175545A Speed and partial angular speed matching anti-interference fast transfer alignment method of inertial navigation system |
| 06/26/2013 | CN103175544A Method for computing and calibrating drift angle of spaceflight TDICCD camera by ground control point |
| 06/26/2013 | CN103175543A Internal response difference correction method for charge coupled device (CCD) pixel |
| 06/26/2013 | CN103175542A Virtual driving positioning information generation method and device |
| 06/26/2013 | CN103175541A Virtual driving positioning information generation method and device |
| 06/26/2013 | CN103175530A Method for estimating and compensating coupling torque of aerial remote sensing inertially stabilized platform |
| 06/26/2013 | CN102353384B Measuring method and system for bandwidth and scale factors of micromechanical gyro |
| 06/25/2013 | CA2510714C System for navigation redundancy |
| 06/19/2013 | CN203011391U Device for testing transfer functions and sensitivity of water tube inclinometer |
| 06/19/2013 | CN203011390U Azimuth reference mirror |
| 06/19/2013 | CN203011389U Distributed radio navigation excitation system |
| 06/19/2013 | CN203011388U Theodolite horizontally-adjusting device |
| 06/19/2013 | CN103162712A Method for treating errors of angle measurement of circular grating and compensating skew of shafting |
| 06/19/2013 | CN103162711A Method and device for high-dynamic star sensor image intensifier error compensation |
| 06/19/2013 | CN103162710A MEMS gyro fault detection system based on wavelet entropy and detection method thereof |
| 06/18/2013 | US8467988 Method and system for validation of mass spectrometer machine performance |
| 06/12/2013 | EP2602581A1 Field interchangable boresight mounting system and calibration method |
| 06/12/2013 | CN202994174U Reversing plate type adjusting mechanism of laser demarcation device |
| 06/12/2013 | CN202994173U Inertia testing system calibration device |
| 06/12/2013 | CN202994142U Inclinometer based on Zigbee communication |
| 06/12/2013 | CN202994135U Inside-outside light path balance control device for laser range finder |
| 06/12/2013 | CN103149558A Telescope based calibration of a three dimensional optical scanner |
| 06/12/2013 | CN103148871A Micro-incline generation device for field proving of clinometer |
| 06/12/2013 | CN103148870A Geometrical calibration method of satellite CCD (Charge Coupled Device) array image based on high-precision registration control points |
| 06/12/2013 | CN103148869A High overload and linear vibration composite test device |
| 06/12/2013 | CN103148868A Integrated alignment method based on speed trial error estimation of doppler velocity log on geographical system under constant-speed direct flight condition |
| 06/12/2013 | CN103148867A Camera measuring parameter decorrelation checking method based on miniature type grid |
| 06/12/2013 | CN103148866A Code-type sun sensor error modeling and calibration method |
| 06/12/2013 | CN103148865A Camera model standardization method and standardization device |
| 06/12/2013 | CN102445215B Elevating device for testing flexible gyroscope annunciator |
| 06/12/2013 | CN102426026B Star simulator and star sensor ground calibration device |
| 06/12/2013 | CN102279473B Optical system of star simulator |
| 06/12/2013 | CN102239422B Telescope based calibration of a three dimensional optical scanner |
| 06/12/2013 | CN102239421B Telescope based calibration of a three dimensional optical scanner |
| 06/12/2013 | CN102135420B Method for improving angular displacement measurement accuracy of optical fiber gyroscope |
| 06/06/2013 | WO2013082127A1 Mitigating the effect of a change in sensor calibration parameters |
| 06/06/2013 | WO2013080040A1 Method of estimating mounting angle error of gyroscopes by using a turning device, and corresponding turning device |
| 06/06/2013 | WO2013079224A1 Process for the determination of a position change or respectively resting and/or speed of an object |
| 06/05/2013 | EP2600109A2 Method for calibration of a sensor unit and accessory comprising the same |
| 06/05/2013 | CN202974301U Standard calibration system of solar azimuth measurement instrument |
| 06/05/2013 | CN202974300U Odometer electronic sensor testing device |
| 06/05/2013 | CN202974299U Self-diagnosis device of intelligent test equipment |
| 06/05/2013 | CN202974298U Benchmark calibration system for sun angle measuring instrument |
| 06/05/2013 | CN202974297U Linear array CCD (Charge Coupled Device) camera two-way modulation transfer function testing device |
| 06/05/2013 | CN202974287U Optical fiber gyro system general assembling mechanism |
| 06/05/2013 | CN103134521A Rapid alignment method under platform inertial navigation arbitrary direction misalignment angle |
| 06/05/2013 | CN102279002B Calibration method of transformation matrix of star sensor measuring coordinate system and carrier coordinate system |
| 06/05/2013 | CN102216790B Method for creating correction parameter for posture detecting device, device for creating correction parameter for posture detecting device, and posture detecting device |
| 05/30/2013 | WO2013078165A1 Method and apparatus for self-calibration of gyroscopes |
| 05/30/2013 | US20130133397 Gyro sensor offset automatic correcting circuit, gyro sensor system and method for automatically correcting offset of gyro sensor |
| 05/29/2013 | EP2596322A1 Apparatus and methods for calibrating dynamic parameters of a vehicle navigation system |
| 05/29/2013 | CN202956121U Test signal conditioning circuit of two-axis gyro-package |
| 05/29/2013 | CN202956120U Single-shafting gyroscope-assembly test-signal conditioning circuit |
| 05/29/2013 | CN103123264A Comprehensive calibration device for speedometer and engine speed indicator of vehicle |
| 05/22/2013 | EP2594899A2 Using structured light to update inertial navigation systems |
| 05/22/2013 | CN202947748U Measurement device for compensator amplification coefficient of automatic compensated level |
| 05/22/2013 | CN202947747U Automotive speedometer and engine tachometer comprehensive checking device |
| 05/22/2013 | CN103115631A System and method for correcting imaging parameter error of remote sensing camera |
| 05/22/2013 | CN103115630A In-batch micromechanical gyroscope testing device |
| 05/22/2013 | CN103115629A Method for rapidly restoring tool coordinate frame in flexible vision measurement system for robots |
| 05/22/2013 | CN103115628A Testing device and method for resonant mode optical gyroscope scale factor |
| 05/22/2013 | CN103115627A Multi-track combined on-track geometrical checking method of remote sensing satellite linear array sensor |
| 05/22/2013 | CN103115616A Micro hemispherical resonator gyro and preparation method thereof |
| 05/22/2013 | CN101512291B Correction of alignment error of optical instrument |
| 05/21/2013 | US8447555 Method for increasing the availability of displacement/position measuring systems on the basis of potentiometers with a slider tap |
| 05/16/2013 | WO2013068873A1 System and method for the assisted calibration of sensors distributed across different devices |
| 05/16/2013 | US20130124127 Sensor auto-calibration |
| 05/16/2013 | US20130121367 Sensor auto-calibration |
| 05/15/2013 | CN202938829U Testing device for measurement of high accuracy for radio altimeter |
| 05/15/2013 | CN103105177A Low-cost method for measuring eigenfrequency of fiber-optic gyroscope |
| 05/14/2013 | US8442793 System for determining quality of a rotating position sensor system |
| 05/10/2013 | WO2013063909A1 Inertia/geomagnetism sensor calibration method based on genetic algorithm |
| 05/09/2013 | US20130111991 Gyro sensor, electronic apparatus, and method of manufacturing gyro sensor |
| 05/08/2013 | EP2589927A2 System and method for calibrating sensors in consumer electronic devices by coupling to a base unit |
| 05/08/2013 | EP2588910A1 Device for equipment alignment |
| 05/08/2013 | CN202928591U Visual landing ground dynamic verification and testing device |
| 05/08/2013 | CN202928590U Gyroscope testing device |
| 05/08/2013 | CN103097863A Method and device for detecting a deviation of a rotation rate signal of a rotation rate sensor |
| 05/08/2013 | CN103091118A Test board for testing overload composite environment |
| 05/08/2013 | CN103090884A SINS (Strapdown Inertial Navigation System)-based method for restraining velocity measuring error of DVL (Doppler Velocity Log) |
| 05/08/2013 | CN103090883A Device and method for calibrating dynamic tracking precision of photoelectric tracking system |
| 05/08/2013 | CN103090882A Sensitive axis non-orthogonal compensation correction method in accelerometer application of realizing inclination measurement |
| 05/08/2013 | CN103090881A Galvanical solenoid for fiber optic gyroscope magnetic influence system |
| 05/08/2013 | CN103090867A Error restraining method for fiber-optic gyroscope strapdown inertial navigation system rotating relative to geocentric inertial system |
| 05/08/2013 | CN103090866A Method for restraining speed errors of single-shaft rotation optical fiber gyro strapdown inertial navigation system |
| 05/08/2013 | CN103090854A Digital photogrammetric instrument and digital photogrammetric system combined with laser tracking technology |
| 05/08/2013 | CN102175267B High-precision compensation method for horizontal angle of electro-optic theodolite |
| 05/02/2013 | WO2013059989A1 Motion alignment method of inertial navigation system |
| 05/01/2013 | EP2587216A2 Compass |
| 05/01/2013 | CN202915934U Triaxial digital display turntable system |
| 05/01/2013 | CN202915933U Standard ball rod with regression reflection balls |
| 05/01/2013 | CN202915893U Non-contact low-angle automatic inspection apparatus |
| 05/01/2013 | CN103076026A Method for determining speed measurement error of Doppler velocity log (DVL) in strapdown inertial navigation system |
| 05/01/2013 | CN103076025A Constant error calibration method of fiber-optic gyroscope based on double-calculation program |
| 05/01/2013 | CN103076024A Device for positioning and bonding coil of inertial device |
| 04/24/2013 | CN202903203U Servo type clinometer calibrator |
| 04/24/2013 | CN103063231A High frequency vibration resistant beam used for micro torque calibrating device |
| 04/24/2013 | CN103063230A Micromechanical gyroscope assembly test tool and method for fast adjusting cross coupling of micromechanical gyroscope assembly |