Patents
Sitemap › G01 - Measuring; Testing › G01C - Measuring distances, levels or bearings; Surveying; Navigation; Gyroscopic instruments; Photogrammetry or videogrammetry › G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
Patents for G01C 25 - Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass (3,490)
10/2012
10/11/2012US20120259572 System and method for gyroscope error estimation
10/10/2012CN202485691U Transposition device for inertial navigation system
10/10/2012CN202485690U Horizontal dial debugging device of absolute coding electronic theodolite
10/10/2012CN102721426A Digital display counter calibration system and method
10/10/2012CN102721425A Method and apparatus for correcting course in navigation system
10/10/2012CN102721424A Method for multi-position optimal estimation detection of key parameters of incomplete-freedom degree inertial platform
10/10/2012CN102721423A System for calibrating resolution ratio of polar-axis photoelectric sensor of electrostatic gyro
10/10/2012CN102221372B Method for calibrating error of inertia measurement unit by using centrifugal machine and turntable
10/10/2012CN101915562B Calibrating device for tilt angle sensor
10/09/2012US8285514 Sensor fault detection systems and methods thereof
10/04/2012WO2012130540A1 Rotation rate sensor and method for calibrating a rotation rate sensor
10/04/2012US20120247176 Test auxiliary device
10/04/2012DE102011006427A1 Drehratensensor und Verfahren zur Kalibrierung eines Drehratensensors Rotation rate sensor and method for calibrating a yaw rate sensor
10/03/2012EP2506019A1 Status simulation testing system and method for an angular velocity sensor
10/03/2012CN202471090U Digital radio altimeter
10/03/2012CN202471089U Spectral-weight-tunable weak light magnitude simulation system
10/03/2012CN202471088U Test device for triaxial miniature gyroscope
10/03/2012CN202471087U Heading and attitude instrument comprehensive test bed
10/03/2012CN202471041U Calibrating device for convergence meter
10/03/2012CN102706367A Accuracy testing and calculating method of single-beam laser speedometer for combined navigation
10/03/2012CN102706366A SINS (strapdown inertial navigation system) initial alignment method based on earth rotation angular rate constraint
10/03/2012CN102706365A Calibration method for three-beam laser velocimeter on basis of navigation system
10/03/2012CN102706364A Online calibration method of scaling factors of micromachining gyroscope for vehicle
10/03/2012CN102706363A Precision measuring method of high-precision star sensor
10/03/2012CN102706362A Optical power self-correction method for fiber-optic gyroscope and high-precision fiber-optic gyroscope using same
10/03/2012CN102706361A Attitude precision estimation method of multiple high-accuracy inertial navigations system
10/03/2012CN102168972B RPC-based method for improving and calibrating block adjustment of three-linear array three-dimensional satellite
10/03/2012CN101451856B Active magnetic suspension axial performance tester
09/2012
09/27/2012WO2012126857A1 Method for updating a value of orientation with respect to north or for improving the initialization of such a value in an apparatus comprising an image sensor
09/26/2012EP2503302A2 Calibration and correction of a gyroscope
09/26/2012EP2503288A2 Methods of Attitude and Misalignment Estimation for Constraint Free Portable Navigation
09/26/2012CN202455385U Serial port gyro data transmit-receive system
09/26/2012CN202452989U Multifunctional fiber-optic gyroscope testing system
09/26/2012CN202452967U Goniometer standard
09/26/2012CN102692239A Fiber optic gyroscope eight-position calibration method based on rotating mechanism
09/26/2012CN102692238A Reset precision detection method of ship inertia navigated impact isolator
09/26/2012CN102692237A Altimeter detector
09/26/2012CN102032919B Interference type all-optical fiber gyroscope for inhibiting zero drift
09/26/2012CN102003967B Compass principle-based strapdown inertial navigation bearing alignment method for rotary ship
09/20/2012US20120236290 Optical Distance Measuring Device with Calibration Device
09/19/2012CN202442719U Device for finely adjusting plumb line of meridian instrument
09/19/2012CN102680005A System-level calibration method of fiber-optic gyroscope scale factor asymmetric error
09/19/2012CN102680004A Scale factor error calibration and compensation method of flexible gyroscope position and orientation system (POS)
09/19/2012CN102680003A Device for correcting inclination of leveling ruler
09/19/2012CN102680002A Online calibrating method of zero-point voltage of micro-machine gyroscope for automobile
09/19/2012CN102680001A Inclination correction device for centering rod
09/19/2012CN102680000A Zero-velocity/course correction application online calibrating method for optical fiber strapdown inertial measuring unit
09/19/2012CN102679999A Star sensor installation error four-position calibrating and compensating method
09/19/2012CN102679893A Method for determining thickness of focusing ring of star sensor
09/19/2012CN102175266B Fault diagnosis method for mobile gyroscope inertia subassembly
09/12/2012CN102662083A Accelerometer calibration method based on GPS velocity information
09/12/2012CN102661751A Satellite gyroscope group fault detection, separation and estimation method based on equivalence relation and wavelet transform numerical differentiation
09/12/2012CN102661750A Method for reeling fiber-optic gyroscope
09/12/2012CN102661744A Silica-based double-gimbal dynamical tuned gyroscope rotor body structure and processing method thereof
09/07/2012WO2012118232A1 Attitude determination method, position calculation method, and attitude determination device
09/06/2012US20120222465 Calibration method and angle measuring method for an angle measuring device, and angle measuring device
09/05/2012EP2494312A1 A method of calibrating inertial sensors
09/05/2012CN202420508U Large-caliber parasitic light eliminating star simulator system
09/05/2012CN102656425A Position and orientation determination using movement data
09/05/2012CN102656423A Optical distance measuring device with calibration device
09/05/2012CN102654408A Optical fiber gyroscope precision evaluating method
09/05/2012CN102654407A Multiple-fault detecting device and detecting method for tightly-integrated inertial satellite navigation system
09/05/2012CN102654406A Initial alignment method for moving bases based on combination of nonlinear prediction filtering and cubature Kalman filtering
09/05/2012CN102032920B Device and method for calibrating plumb aligner
09/05/2012CN101510631B Remote control calibration equipment based on Ka frequency standard source
08/2012
08/30/2012WO2012115515A1 Measurement device and method for measuring
08/30/2012US20120221276 Accelerometer system and method
08/30/2012CA2828233A1 Measurement device and method for measuring
08/29/2012EP2492637A1 Measurement device and method for measuring
08/29/2012EP2491343A1 Navigational system initialization system, process, and arrangement
08/29/2012CN102650527A Temperature compensation method for denoising fiber-optic gyroscope on basis of time series analysis
08/29/2012CN102650526A Open-loop detecting circuit for frequency modulated continuous wave optical fiber gyroscope based on phase comparison
08/29/2012CN102650525A Method for calibrating resolution of photoelectric sensor of electrostatic gyro polar axis
08/28/2012CA2769085A1 Portable electronic device adapted to compensate for gyroscope bias
08/23/2012US20120215474 Calibration system for simultaneous calibration of multiple motion capture elements
08/22/2012EP2488829A1 A method of detecting parasitic movements while aligning an inertial unit
08/22/2012CN202393395U Durability test device for mileage sensor and revolution speed sensor
08/22/2012CN102645231A Optical circular target dynamic error calibration method based on feature points of encoder
08/22/2012CN102645230A Fault detection method and device of optical fiber gyroscope
08/22/2012CN102645229A Spaceborne laser altimeter in-orbit moon elevation detection uncertainty evaluation method
08/22/2012CN102288201B Precision measurement method for star sensor
08/22/2012CN102175262B Dynamic multi-star star chart simulator based on digital micromirror device (DMD) and simulation method thereof
08/22/2012CN102175258B Correction method of moon center direction of moon sensor
08/22/2012CN102032921B Automatic calibration method for inclinometer
08/16/2012WO2012049326A3 Method and device for calibrating an optical system, distance determining device, and optical system
08/16/2012US20120209554 System and method for three dimension location determination
08/15/2012EP2486370A1 Optical distance measuring device with calibration device
08/15/2012CN202382747U Combined navigation device for small-sized underwater glider
08/15/2012CN1934412B Reactive sensor modules using pade' approximant based compensation and providing module-sourced excitation
08/15/2012CN102636187A Highly reciprocal resonant mode fiber-optic gyroscope detection device and method
08/15/2012CN102636186A Positioning and calibration device of angular position of three-axis turntable
08/15/2012CN102636185A Non-linear specific force sensitive item measuring method for flexible gyroscope based on centrifugal machine with uniaxial reverse truntable
08/15/2012CN102636184A Specific force-sensitive term calibration method for flexible gyroscope based on centrifuge in environment without angular movement
08/15/2012CN102636183A Quadratic overload term test method for flexible gyroscope based on optical fiber monitoring and centrifuge with two-axis turntable
08/15/2012CN102636182A Rapid static detection method for optical fiber inertia unit storage period based on prior information
08/15/2012CN102636181A Method for detecting focal length of high-precision spatial aerial camera
08/15/2012CN102636159A In-orbit geometrical self-calibration method for multi-mirror aerospace linear array camera system
08/08/2012EP2485140A2 Avionic display testing system
08/08/2012CN102628694A Control system and control method of single- axis turntable based on inertia device gyroscope and accelerometers
08/08/2012CN102628693A Method for registering camera spindle and laser beam in parallel
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