| 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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| 02/13/2013 | CN102927996A High-precision dynamic imaging simulator for space target |
| 02/13/2013 | CN102927995A Method for diagnosing consistency fault under configuration of five gyroscopes |
| 02/13/2013 | CN102927994A Method of quickly calibrating oblique redundant strapdown inertial navigation system |
| 02/13/2013 | CN102927993A Vertical transmission indoor optical reference calibration system |
| 02/13/2013 | CN102927992A Horizontal one-observation set accuracy testing system of theodolite at extreme temperature |
| 02/13/2013 | CN102927991A Small airborne throwing-type marine profile probe sinking model experimental apparatus |
| 02/13/2013 | CN102927984A Method of eliminating influence of carrier magnetizing field on geomagnetic measurement |
| 02/13/2013 | CN102927979A Fiber-optic gyroscope and method for detecting optical fiber coupling quality online in manufacturing process of fiber-optic gyroscope |
| 02/07/2013 | WO2013017983A1 Processing data for calibration |
| 02/07/2013 | US20130031950 Microelectromechanical gyroscope with self-calibration function and method of calibrating a microelectromechanical gyroscope |
| 02/06/2013 | CN102914320A Linear array CCD (Charge Coupled Device) camera bidirectional modulation transfer function testing device and method |
| 02/06/2013 | CN102914319A Rapid static testing method for prior information-based multi-fiber inertial measurement unit storage period |
| 02/06/2013 | CN102914318A Method for automatically testing non-complete freedom inertial platform key parameter multiposition weighting |
| 02/06/2013 | CN102914262A Non-cooperative target abutting measurement method based on additional sighting distance |
| 02/06/2013 | CN102305636B Rapid alignment method based on nonlinear initial alignment model |
| 02/05/2013 | US8370124 High fidelity time domain for spacecraft emulation systems |
| 01/31/2013 | WO2013016518A1 Navigational deployment and initialization systems and methods |
| 01/31/2013 | DE112010004675T5 System und Verfahren zum Verwenden eines optischen Isolators beim Überprüfen von Lasern System and method for using an optical isolator when reviewing lasers |
| 01/30/2013 | CN202710080U Experiment device of small onboard throwing type ocean profile probe sinking model |
| 01/30/2013 | CN202710079U Navigation voice guidance automatic testing system based on voice recognition technology |
| 01/30/2013 | CN202710078U Azimuth ring fixture |
| 01/30/2013 | CN202710072U Top double-way servo control microcircuit |
| 01/30/2013 | CN102901519A optical push-broom satellite in-orbit stepwise geometric calibration method based on probe element direction angle |
| 01/30/2013 | CN102901518A Ship-borne attitude and angle sensor detection method |
| 01/30/2013 | CN102901517A Measurement system based on time synchronization for rocket sled test |
| 01/30/2013 | CN102901516A Multispectral image radiation correction method based on absolute radiometric calibration |
| 01/30/2013 | CN102901515A Rapid on-line measuring method for fiber-optic gyroscope transition time |
| 01/30/2013 | CN102901514A Collaborative initial alignment method based on multiple-inertia-unit informational constraint |
| 01/30/2013 | CN102901494A Control system of automatic optical fiber ring winding machine |
| 01/30/2013 | CN102261921B Method for correcting influence of atmospheric refraction on precision of star sensor |
| 01/30/2013 | CN102193004B Rotational three-dimensional dynamic test equipment |
| 01/29/2013 | US8364431 Field device calibration |
| 01/29/2013 | US8359900 Calibration of gyratory compactor apparatuses and associated methods |
| 01/23/2013 | EP2549230A2 Navigation system initialization with inertial data compensation |
| 01/23/2013 | CN202693000U Laser strapdown inertial navigation system calibration equipment for external field |
| 01/23/2013 | CN202692999U Gyroscope fault diagnosis system |
| 01/23/2013 | CN202692992U Winding clamp of de-bone optical fiber ring for optical fiber gyroscope |
| 01/23/2013 | CN202692976U Angle position sensor redundancy device of control plane of steering engine |
| 01/23/2013 | CN102892027A System and method for measuring frame delay time of photographing system of optical measurement device |
| 01/23/2013 | CN102889895A Method and system for quadrature error compensation |
| 01/22/2013 | US8359182 Methods and systems for evaluating the performance of MEMS-based inertial navigation systems |
| 01/17/2013 | WO2013009357A2 Inertial navigation common azimuth reference determination system and method |
| 01/16/2013 | CN202676177U Automobile instrument detector |
| 01/16/2013 | CN202676176U Infinite slipping structure for preventing leveling instrument from tooth-skipping or tooth-dropping during focusing |
| 01/16/2013 | CN102884398A 取向传感器校准 Orientation Sensor Calibration |
| 01/16/2013 | CN102879832A Non-alignment error correction method used for geomagnetic element measuring system |
| 01/16/2013 | CN102879014A Optical imaging autonomous navigation semi-physical simulation testing system for deep space exploration proximity process |
| 01/16/2013 | CN102879013A Method for correcting influences of atmosphere inclination on ground star observation values |
| 01/16/2013 | CN102879012A Astronomical theodolite azimuth code disc score correction method |
| 01/16/2013 | CN102879011A Lunar inertial navigation alignment method assisted by star sensor |
| 01/16/2013 | CN102879010A Method and system for a self-calibrated multi-magnetometer platform |
| 01/16/2013 | CN102878984A Spatial camera image stabilizing method based on flutter measurement of fiber-optic gyroscope |
| 01/10/2013 | WO2013004033A1 Precision measurement method and system for star sensor |
| 01/09/2013 | EP2543961A1 Physical amount measuring device and physical amount measuring method |
| 01/09/2013 | CN202661083U Sound velocity corrector of depth sounder |
| 01/09/2013 | CN202661082U Automatic calibration turnplate system |
| 01/09/2013 | CN202661081U Accuracy detection device of laser marking device |
| 01/09/2013 | CN202661080U Data synchronous recording device used in naval vessel calibration test |
| 01/09/2013 | CN202661079U Speed ratio parameter regulator for digital combination instrument |
| 01/09/2013 | CN202655803U Electrode etching balance adjustment device for excitation cover of vibratory gyroscope |
| 01/09/2013 | CN102865883A Test system for impact analysis of imaging quality of TDICCD (Time Delayed Integration Charge Coupled Device) by multi-source interference |
| 01/09/2013 | CN102865882A Method for determining starting time of fiber-optic gyroscope |
| 01/09/2013 | CN102865881A Quick calibration method for inertial measurement unit |
| 01/09/2013 | CN102865880A Method for predicting underwater vehicle navigation system circular error probability |
| 01/09/2013 | CN102865852A Elevation calibration method and device for digital elevation model data |
| 01/09/2013 | CN101995236B System and method for correcting reference value of pressure conversion altitude |
| 01/09/2013 | CN101957215B Turntable and method for testing two axial properties of gyroscope |
| 01/02/2013 | CN202648673U Reflex type small-size parallel light pipe device |
| 01/02/2013 | CN202648672U Automatic test device for static lock-in parameter of laser gyroscope |
| 01/02/2013 | CN202648654U Intelligent inclinometer |
| 01/02/2013 | CN102853851A Imaging system and imaging method for stellar field of computer simulated star sensors |
| 01/02/2013 | CN102853850A Triaxial MEMS gyroscope rotation integral calibration method based on uniaxial turntable |
| 01/02/2013 | CN102853849A Direction dividing guide apparatus for optic fiber gyroscope ring winding machine |
| 01/02/2013 | CN102853848A Inertial device error simulation method based on positioning accuracy of strapdown inertial navigation system |
| 01/02/2013 | CN102853847A Automatic gluing device for fiber-optic gyroscope fiber coil winding machine |
| 01/02/2013 | CN102853846A Batch test method for topological relationship correctness of road navigation data |
| 01/02/2013 | CN102853766A Method utilizing dicode disc to detect shaft end deflection of theodolite height shaft |
| 01/02/2013 | CN102168989B Ground testing method for position accuracy and orientation accuracy of POS (Position and Orientation System) |
| 01/02/2013 | CN101949710B Rapid online dynamic calibration method for zero offset of GNSS (Global Navigation Satellite System) auxiliary MEMS (Micro Electro Mechanical Systems) inertial sensor |
| 12/27/2012 | WO2012175185A1 Device and method for calibrating the direction of a polar measurement device |
| 12/26/2012 | CN202630969U Shaft rotation angle calibration auxiliary device with axis position display and regulatory function |
| 12/26/2012 | CN202630968U Shaft rotation angular accuracy calibration auxiliary device with adjusting function |
| 12/26/2012 | CN202630967U Full-automatic calibrating device for bubble type level meter |
| 12/26/2012 | CN202630966U Leveling rod inclined correcting device |
| 12/26/2012 | CN202630965U Laser calibrating device with magnetic leveling ruler |
| 12/26/2012 | CN102841616A Temperature control method of inertial positioning directional device |
| 12/26/2012 | CN102840870A Geometric error correction method for three-dimensional orthogonal direction sensors |
| 12/26/2012 | CN102840869A Measuring method for fiber optic gyroscope eigenfrequency |
| 12/26/2012 | CN102279001B Phase shift compensation method of space-borne camera |
| 12/26/2012 | CN101858754B Inertial navigation level measurement method applied to airplane general assembly |
| 12/25/2012 | US8340908 Calibration of tracking device |
| 12/19/2012 | CN202614242U Calibrator for positioning navigation device |
| 12/19/2012 | CN202614241U Calibration device for inclination angle sensor |
| 12/19/2012 | CN102834696A Using object to align and calibrate inertial navigation system |
| 12/19/2012 | CN102830498A Dynamic large-view-field small-distortion star simulator optical system |
| 12/19/2012 | CN102829803A Inertial navigation equipment and rotary table synchronous testing device |
| 12/19/2012 | CN102829802A Three-point differencial GPS (Global Position System) dynamic positioning accuracy calibration method |
| 12/19/2012 | CN102829801A Special detection equipment for computer components of positioning and directional navigation systems |
| 12/19/2012 | CN102829800A Handheld micro-mechanical gyrometer |
| 12/19/2012 | CN102829799A Wave/tidal test verification system device and application thereof |