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)
03/2014
03/19/2014CN103644910A Personal autonomous navigation system positioning method based on segment RTS smoothing algorithm
03/13/2014US20140074347 Launch vehicle testing system
03/13/2014US20140071427 Imaging range finder fabrication
03/13/2014US20140068931 Hemitoroidal resonator gyroscope
03/12/2014CN203479312U Circuit detection device of inertial positioning directional system
03/12/2014CN203479294U High-accuracy inclination-angle measuring system for vertical axis
03/12/2014CN103630147A Zero-speed detection method for individually autonomous navigation system based on hidden Markov model (HMM)
03/12/2014CN103630146A Laser gyroscope IMU (inertial measurement unit) calibration method combining discrete analysis and Kalman filtration
03/12/2014CN103630119A Image motion compensation device and method for aerial survey of unmanned aerial vehicle
03/12/2014CN102494698B Calibration method for inner orientation elements in lab
03/12/2014CN102272551B Calibration of vibratory gyroscope
03/05/2014CN203465073U Three-jaw six-degree-of-freedom vibration table
03/05/2014CN203464941U Solder joint reliability detection equipment under gyroscope temperature control state
03/05/2014CN103616037A Self-testing and self-calibration method of IMU (Inertial Measurement Unit) calibration system
03/05/2014CN103616036A System error estimation and compensation method for airborne sensor based on cooperative target
03/05/2014CN103616035A Performance parameter calibration method of laser strapdown inertial navigation system
03/05/2014CN103616026A AUV (Autonomous Underwater Vehicle) manipulating model auxiliary strapdown inertial navigation combined navigation method based on H infinity filtering
03/05/2014CN103616020A Optical fiber loop eigen frequency measurement device and optical fiber loop eigen frequency measurement method based on sine wave modulation and first harmonic detection
03/05/2014CN102062597B Porro prism azimuth reference measuring instrument
03/04/2014US8661872 Test system
02/2014
02/28/2014CA2822336A1 Stabilizing orientation values of an electronic device
02/27/2014WO2014031206A1 Geometric calibration of a remote sensor
02/27/2014US20140058694 Thickness calibration of an embossing die
02/26/2014EP2700908A1 Method and devices for temperature-based determination of gyroscope bias
02/26/2014EP2700905A1 Method and system for alignment of sensors in a similar environment
02/26/2014EP2700904A1 Method and devices for determining noise variance of a gyroscope
02/26/2014CN203455366U Sensor and signal tooth testing device
02/26/2014CN203455010U Vibration-absorption testing device of chip type micro-gyroscope
02/26/2014CN103604563A On-line identification method for unbalance of magnetic suspension rotor based on current test mass
02/26/2014CN103604445A Inertial navigation technology simulation test system
02/26/2014CN103604444A Optical fiber ring eigen frequency measurement device and method based on sine wave modulation and second harmonic detection
02/26/2014CN103604443A Starlight simulator
02/26/2014CN103604442A Observability analysis method applied to online calibration of strapdown inertial navitation system
02/26/2014CN102519485B Gyro information-introduced double-position strapdown inertial navigation system initial alignment method
02/26/2014CN102322873B Distributed POS ground demonstration verification system
02/26/2014CN102042823B Inclination angle measuring device and measuring method thereof
02/24/2014CA2787975A1 Method and devices for determining noise variance for gyroscope
02/23/2014CA2787976A1 Method and devices for temperature-based determination of gyroscope bias
02/20/2014WO2013144380A3 Information determination in a portable electronic device carried by a user
02/19/2014EP2697976A1 Device for calibrating a multi-camera recording device for three-dimensional image recording
02/19/2014CN103597320A Rotation rate sensor and method for calibrating a rotation rate sensor
02/19/2014CN103591968A Real target scene simulation system based on visible light target simulator
02/19/2014CN103591967A Method for generating optical Chirp signal for optical servo system frequency spectrum curve tests
02/19/2014CN103591966A Star simulator test platform and test calibration method
02/19/2014CN103591965A Online calibrating method of ship-based rotary strapdown inertial navigation system
02/19/2014CN103591950A Structure layout parameter determination method of agile satellite
02/19/2014CN103591948A Initial value synchronization method for improving landing navigation accuracy
02/19/2014CN103584797A Robot vacuum cleaner and self-diagnosing method thereof
02/19/2014CN103584795A Robot vacuum cleaner and self-diagnosing method thereof
02/19/2014CN103584793A Robot vacuum cleaner and self-diagnosing method thereof
02/19/2014CN102426025B Simulation analysis method for drift correction angle during remote sensing satellite attitude maneuver
02/19/2014CN102322845B Apparatus for detecting azimuth, and method thereof
02/19/2014CN102252694B Sensor apparatus
02/13/2014US20140041174 Micromachined piezoelectric x-axis gyroscope
02/12/2014CN203432591U Calibration compensation model of dynamically tuned gyroscope inclinometer
02/12/2014CN103576178A GPS/INS integrated navigation system clock error correction method based on satellite PPS
02/12/2014CN103576173A Method for adjusting sensor signal of sensor in vehicle
02/12/2014CN103575300A Rotating modulation-based rocking base inertial navigation system coarse alignment method
02/12/2014CN103575299A Alignment and error correction method for double-axis rotational inertial navigation system based on appearance measurement information
02/12/2014CN103575298A Self-regulation-based unscented Kalman filter (UKF) misalignment angle initial-alignment method
02/12/2014CN103575297A Estimation method of course angle of GNSS (Global Navigation Satellite System) and MIMU (MEMS based Inertial Measurement Units) integrated navigation based on satellite navigation receiver
02/12/2014CN103575296A Dual-axis rotational inertial navigation system self-calibration method
02/12/2014CN103575295A Inertial element magnetic-field sensitivity measuring system
02/12/2014CN103575294A Silicon micro-gyroscope chip probe card
02/12/2014CN103575293A Magnetometer direction angle correction method and magnetometer
02/12/2014CN103575260A Micro gyroscope and processing manufacturing method thereof
02/11/2014US8649992 Method for reducing induction noise in towed marine electromagnetic survey signals
02/06/2014DE102012213754A1 Method for adjusting sensor signal of sensor in vehicle, involves comparing waveform of sensor signal with reference value of sensor signal at position of vehicle to obtain difference, where signal waveform is recorded on trip to position
02/05/2014CN103558618A Method for improving locating precision
02/05/2014CN103557876A Strapdown inertial navigation initial alignment method for antenna tracking and stabilizing platform
02/05/2014CN103557875A FPGA (field programmable gate array) hardware implementation method of attitude measuring system
02/05/2014CN103557874A Precession movement elimination and compensation method for vertical gyro in attitude measuring system
02/05/2014CN103557873A Quick dynamic alignment method
02/05/2014CN103557872A Real-time error calculating method of integrated system in RNP (Required Navigation Performance)
02/05/2014CN103557871A Strap-down inertial navigation air initial alignment method for floating aircraft
02/05/2014CN103557841A Method for improving photogrammetric precision of multi-camera resultant image
02/04/2014US8642164 Composite substrates with predetermined porosities
01/2014
01/30/2014US20140026688 Control moment gyroscopes including torsionally-stiff spoked rotors and methods for the manufacture thereof
01/29/2014EP2689211A1 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
01/29/2014CN203414087U Multiple-beam sounding accuracy verification system
01/29/2014CN103542868A Automatic removing method of vehicle-mounted laser point cloud noisy point based on angle and intensity
01/29/2014CN103542867A Assistant correcting device of laser range finder
01/29/2014CN103542866A Inertial location orientating system circuit detection device
01/29/2014CN103542865A Testing and controlling method and device
01/29/2014CN103542851A Underwater vehicle aided navigation positioning method based on underwater topography elevation database
01/29/2014CN103542841A Multi-line laser with convenience in installation and debugging
01/29/2014CN103542840A Multi-line laser with low cost
01/29/2014CN103542839A Multi-line laser with simple structure and low cost
01/22/2014CN203405215U Reducible fiber-optic gyroscope temperature drift sensing ring preparation device
01/22/2014CN103531072A X-ray pulsar ground acquisition and tracking demonstration system
01/22/2014CN103528598A Method for simulating aircraft flight tracks
01/22/2014CN103528597A Level rule calibration method and calibration instrument thereof
01/22/2014CN103528576A Hemispherical resonance micro mechanical gyroscope and processing technology thereof
01/21/2014US8635023 Position indication controls for device locations
01/16/2014US20140015687 Posture calibration for activity monitoring
01/16/2014US20140013557 Micromachined piezoelectric x-axis gyroscope
01/16/2014DE102012106306A1 Method for signal processing of sensor signal of inertial sensor, involves monitoring sensor on troubles and cut off frequency of low pass filter in dependence of presence of trouble and evaluating unfiltered sensor signal
01/15/2014EP2685214A2 Multiple truth reference system and method
01/15/2014CN203396404U Automatic testing equipment for gyroscope modules
01/15/2014CN103512584A Navigation attitude information output method, device and strapdown navigation attitude reference system
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