Patents
Sitemap › G01 - Measuring; Testing › G01C - Measuring distances, levels or bearings; Surveying; Navigation; Gyroscopic instruments; Photogrammetry or videogrammetry › G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
Patents for G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (3,922)
10/2012
10/03/2012CN202471078U Digital radio compass
10/03/2012CN202471077U Mining digital geologic compass
10/03/2012CN202471076U Convenient compass
10/03/2012CN202471075U Multifunctional geological working apparatus for mine
10/03/2012CN202471071U Semi-automatic navigation positioning system based on total station
10/02/2012US8280678 Step length estimation method and portable terminal for the same
10/02/2012US8280665 Calibration device for on-vehicle camera
10/02/2012US8280663 Methods and systems for assisting in the design of mobile surfaces of objects
10/02/2012US8280638 Multi-station analysis of magnetic surveys
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
09/27/2012US20120245885 Positioning device, positioning method, program, and recording medium
09/27/2012US20120245875 Method and system for a self-calibrated multi-magnetometer platform
09/27/2012DE102012102291A1 Verfahren zum Betreiben eines Magnetkompasses an einer Maschine A method of operating a magnetic compass at a machine
09/26/2012EP2503302A2 Calibration and correction of a gyroscope
09/26/2012EP2503286A2 Geomagnetic field measurement device, offset determination method, and computer readable recording medium therefor
09/26/2012EP2503285A2 Method and system for a self-calibrated multi-magnetometer platform
09/26/2012CN202452980U Compass for the blind
09/26/2012CN202452979U Vehicle-mounted horizontal direction instrument
09/26/2012CN102692219A Method of operating a magnetic compass on a machine
09/25/2012US8275582 Method and system for clock synchronization using templated adaptive maneuver detection
09/20/2012US20120239331 Crane jib attitude and heading reference system and method
09/19/2012CN202442715U Auxiliary measuring support for compass
09/19/2012CN202442714U Induction magnetic sheet for compass
09/19/2012CN202442713U Electromagnetic direction-measuring device
09/19/2012CN102045496B Digital camera capable of detecting name of shot landmark and method
09/18/2012US8266808 Portable electronic apparatus and geomagnetism sensor calibration method
09/13/2012US20120227273 Digital solar compass
09/12/2012EP2498050A2 Digital Solar Compass
09/12/2012EP2496912A2 Accurate magnetic compass in mobile electronic device
09/12/2012CN202433020U Pocket-type compass
09/12/2012CN102668539A Imaging apparatus, azimuth recording method, and program
09/12/2012CN102661743A Meridian orientating method for aiming inertial system
09/12/2012CN101614548B Car position system based on compass
09/11/2012US8261458 Geomagnetic sensor device and digital compass with the same
09/05/2012CN1879006B Geomagnetic sensor and method for obtaining temperature coefficient of shift, temperature sensor and temperature sensor correction method
09/04/2012US8260452 System for reliable collaborative assembly and maintenance of complex systems
08/2012
08/30/2012WO2012115515A1 Measurement device and method for measuring
08/30/2012US20120221180 Unmanned aerial vehicle and control method thereof
08/30/2012US20120221179 Unmanned aerial vehicle and method for adjusting flight direction of the same
08/30/2012CA2828233A1 Measurement device and method for measuring
08/29/2012EP2492637A1 Measurement device and method for measuring
08/29/2012CN202403704U Astronomical orientation device
08/29/2012CN202403702U Detection ruler for construction supervisor
08/28/2012US8250901 System and method for calibrating a rotary absolute position sensor
08/23/2012WO2012111413A1 Geomagnetic device
08/22/2012CN101846734B Agricultural machinery navigation and position method and system and agricultural machinery industrial personal computer
08/15/2012EP2487458A2 System and method for calibrating a magnetometer with visual affordance
08/14/2012US8240186 Magnetic sensor and accelerometer calibration techniques
08/11/2012CA2750975A1 System and method for calibrating a magnetometer with visual affordance
08/08/2012CN202372179U Electronic compass capable of pointing to destination
08/07/2012US8239154 Method and apparatus for resolver compensation
08/07/2012US8239153 Dynamic compass calibration in a portable device
08/07/2012US8238612 Method and apparatus for vision based motion determination
08/01/2012EP2482034A1 Geomagnetism sensing device
08/01/2012EP2482033A1 Geomagnetism detection device
08/01/2012CN102620725A Method for calibrating compasses of mobile devices
08/01/2012CN102620724A Geomagnetic sensor device and digital compass
07/2012
07/31/2012US8234091 Angular velocity sensor correcting apparatus for deriving value for correcting output signal from angular velocity sensor, angular velocity calculating apparatus, angular velocity sensor correcting method, and angular velocity calculating method
07/26/2012US20120186091 Geomagnetic sensor device and digital compass with the same
07/25/2012CN202350791U Compass with guiding direction
07/25/2012CN202350790U Pointer of Fengshui compass
07/25/2012CN102612637A Accurate magnetic compass in mobile electronic device
07/25/2012CN102175233B Automatic tracking compass repeater
07/24/2012US8229694 Coordinate measuring machine
07/24/2012US8227930 System and method for adjusting a bending moment of a shaft in a wind turbine
07/18/2012CN202339202U 带有放大镜的罗盘 Compass with magnifying glass
07/18/2012CN102589755A Direction-finding system of three-way stressometer for testing rock stress
07/18/2012CN102589537A Method for calibrating electronic compass of unmanned machine under magnetic environment
07/18/2012CN102589536A Electronic compass with self-correcting function
07/18/2012CN101438131B Calibration method and electronic compass
07/17/2012US8224607 Method and apparatus for robot calibrations with a calibrating device
07/17/2012US8224573 Azimuth detecting device and azimuth detecting method
07/12/2012US20120176277 Electronic devices having multi-purpose cowling structures and a compass mounted on a flex circuit
07/11/2012CN202329645U 便携式户外运动导引仪器 Portable outdoor sports equipment guide
07/10/2012US8219603 Waveform correction apparatus and waveform correction method
07/10/2012US8219348 Method for calibrating and/or correcting a display device having a needle, the needle being able to move in rotation about an axis of rotation
07/10/2012US8219347 Orientation calculation apparatus and storage medium having orientation calculation program stored therein
07/05/2012CA2758766A1 System and method for using magnetometer readings to control electronic devices
07/04/2012CN202286627U 便携式多功能固定装置 Portable multifunction fixtures
07/04/2012CN1957229B Mobile bearing calculation device and bearing correction method
07/04/2012CN102297687B Calibrating method for electronic compass
07/04/2012CN101769740B Photoelectromagnetic integrated digital south finding instrument for moving carrier to receive satellite television programs
06/2012
06/28/2012WO2012088413A1 Enhanced position measurement systems and methods
06/28/2012US20120159796 Quasi-uniaxial solar trajectory tracking transit system
06/28/2012DE102011011568B3 Verfahren zum drahtlosen Übertragen von Daten A method for wireless transmission of data
06/27/2012CN102519450A Integrated navigation device for underwater glider and navigation method therefor
06/26/2012US8209144 Accurate alignment of multiple laser scans using a template surface
06/26/2012US8209143 Accurate alignment of multiple laser scans using a template surface
06/26/2012US8209140 Cooperative calibration of heading sensors
06/26/2012US8206325 Ambulatory system for measuring and monitoring physical activity and risk of falling and for automatic fall detection
06/26/2012US8205346 Quasi-uniaxial solar trajectory tracking transit system
06/21/2012WO2012082175A1 Providing magnetic deviation to mobile devices
06/21/2012WO2012082174A1 Magnetic deviation determination using mobile devices
06/21/2012US20120151786 Fluxgate sensor and electronic compass making use thereof
06/20/2012EP2247956B1 Method for making a magnetic field sensor and magnetic field sensor thus obtained
06/20/2012EP2153165B1 External magnetic field angle determination
06/20/2012CN102510997A Geomagnetism sensing device
06/20/2012CN102510994A Geomagnetism detection device
06/20/2012CN102506839A Compass adopted as button
06/20/2012CN102506838A Compass with buzzer
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