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)
07/2010
07/28/2010CN201535675U Automatic correction control device of vehicular satellite antenna electronic compass
07/28/2010CN101788356A Method for monitoring anchor position and anchor line status of floating-crane anchor winch
07/28/2010CN101403614B Anti-interference apparatus used for electronic compass in counter-star control system and its control method
07/27/2010US7765084 Position control arrangement, especially for a surveying instrument, and a surveying instrument
07/27/2010US7765083 Method and apparatus for detecting sources of projectiles
07/21/2010CN201532198U Digital azimuth indicator
07/20/2010US7761252 Method and apparatus for optical chassis measurement
07/15/2010WO2010080820A2 Microphone and orientation sensor assembly
07/15/2010US20100177037 Apparatus and method for motion detection in a portable terminal
07/15/2010DE102009000152A1 Method for adjusting combination sensor, particularly inclination-compensated electronic compass, involves utilizing three-axis acceleration sensor component
07/14/2010EP2207011A1 Method for providing digital compass function and portable terminal adapted thereto
07/14/2010CN201527274U Pin gear mechanism archaized guiding vehicle
07/14/2010CN101451839B Magnetic compass digitalization correction method
07/13/2010US7756660 Lithographic apparatus and device manufacturing method
07/13/2010US7755353 Three-axis fluxgate-type magnetism detecting device
07/08/2010WO2010077864A1 Optical solid-state heading sensor
07/07/2010CN201520138U Multifunctional ruler
07/07/2010CN101769741A Sunshine digital south finding instrument-starlight digital north finding instrument
07/07/2010CN101769740A Photoelectromagnetic integrated digital south finding instrument for moving carrier to receive satellite television programs
07/06/2010US7752001 Method of correcting coordinates, and defect review apparatus
06/2010
06/30/2010EP2202617A2 A method and apparatus to browse and access downloaded contextual information
06/30/2010EP2202616A2 A method and apparatus to browse and access downloaded contextual information
06/30/2010CN101762793A Magnetic data processing device
06/30/2010CN101762271A Subsistence information management system and method as well as computer program product
06/30/2010CN101393022B Digital magnetic compass demarcating method in magnetic field
06/30/2010CN101334280B magnetic data processing apparatus and method, and machine readable medium
06/30/2010CN101245981B Cartesian coordinate system multifunctional on-the-spot scale
06/29/2010US7743519 Sensor module, method of correction therefor, and mobile object including the sensor module
06/24/2010US20100161272 Physical amount measuring device and physical amount measuring method
06/23/2010CN201509732U Multifunctional ring
06/16/2010CN101738182A Two-way constant speed frequency-offset laser gyro north finding method and two-way constant speed frequency-offset laser gyro north finder
06/16/2010CN101738181A Correction method of inclination and offset, azimuth measuring method, azimuth sensor unit and portable electronic equipment
06/16/2010CN101738180A Yan Su five-element compass chariot
06/15/2010US7735230 Head-mounted navigation system
06/10/2010US20100145654 Apparatus of chasing posture of moving material object, method of chasing posture of moving material object, apparatus of chasing posture of toothbrush and method of chasing posture of toothbrush using the samelectric toothbrush and method for controlling thereof
06/10/2010US20100139105 Skyline imaging system for solar access determination
06/09/2010EP1285331B1 A method and apparatus to browse and access downloaded contextual information
06/09/2010CN1680780B Method and apparatus for determining a geomagnetic field by using a compass and method and apparatus for determining an azimuth angle of a moving object using the same
06/09/2010CN101726291A Geomagnetic sensor
06/09/2010CN101726290A Amphibious compass
06/09/2010CN101303233B Blindness guide magnetic electronic compass
06/09/2010CN101241009B Magneto- electronic compass error compensation method
06/08/2010US7734438 Method for determining correction values for correcting positional measurement errors in a machine having at least one translational axis of movement
06/08/2010US7734388 Apparatus for detecting anomaly of wheel speed sensors
06/02/2010CN101718555A High-precision digital magnetic compass device
06/02/2010CN101241010B Magneto- compass deviation automatic correction method and its device
06/02/2010CN101175280B Method for acquiring objective position direction by handhold equipment
06/01/2010US7729849 Method for detecting the angular position of a knob for the gas of a motorcycle
05/2010
05/27/2010WO2010058594A1 Physical quantity measurement device and physical quantity measurement method
05/27/2010US20100126030 Interior rearview mirror system with compass
05/26/2010CN101049693B Control system, moving robot apparatus having the control system, and a control method thereof
05/25/2010US7721968 Concurrent data entry for a portable device
05/20/2010DE102008055711A1 Direction finding watch for displaying time and movement direction of person, has magnet for retaining compass needle-line with magnet holder and for retaining compass needle in position using magnetic force
05/19/2010EP2187167A1 Integral magnetic compass for establishing deviations in real time
05/19/2010CN201476781U Azimuth angle measuring instrument of mobile communication base station
05/19/2010CN201472671U Wireless electric compass
05/19/2010CN201468116U Guide shoe with direction guide function
05/18/2010US7719992 System for proactive time domain reflectometry
05/13/2010US20100121599 Auto-calibration of orientation sensing systems
05/13/2010US20100115779 Low cost electronic compass with 2d magnetometer
05/12/2010CN201464642U Radio direction-finding system by taking electronic compass as goniometer
05/12/2010CN201463892U Forest digital compass
05/12/2010CN201456837U ink bottle
05/12/2010CN201451933U Mirror with compass
05/12/2010CN101144718B Orientation indicating device
05/06/2010WO2010051416A1 Using magnetometer with a positioning system
05/06/2010US20100114517 Method and system for orientation sensing
05/04/2010US7711516 Method for estimating movement of a solid
05/04/2010US7711508 Position detector
05/04/2010US7711439 Microcontroller methods of improving reliability in DC brushless motors and cooling fans
04/2010
04/29/2010WO2010046158A1 Electronic compass
04/29/2010WO2010014877A3 Nanowire magnetic compass and position sensor
04/28/2010EP2179600A1 Locating, tracking, and/or monitoring personnel and/or assets both indoors and outdoors
04/28/2010CN1871496B Magnetic sensor control method, magnetic sensor controller and portable terminal device
04/28/2010CN101699220A Automatic correction control device for electronic compass of vehicle-mounted satellite antenna and control method thereof
04/22/2010WO2010005200A3 Method and apparatus for measuring tilt using a three-axis geomagnetic sensor
04/22/2010US20100095878 Apparatus and method for indicating direction
04/22/2010DE102008042989A1 Elektronischer Kompass Electronic compass
04/21/2010EP2177873A1 Standby combined instrument and associated calibration method
04/20/2010US7702481 Diagnostic and control system for a patient support
04/20/2010US7702477 Calibration method and calibration device for a surgical referencing unit
04/20/2010US7699793 Method and device for detecting and localising an impingement of joint components
04/20/2010US7698825 Automatic solar compass
04/15/2010WO2010040585A1 Device for measuring a direction of motion
04/08/2010WO2010040007A2 Method and apparatus for precision azimuth measurement
04/08/2010CA2738665A1 Method and apparatus for precision azimuth measurement
04/06/2010US7690123 Skyline imaging system for solar access determination
04/01/2010US20100082288 Device and method for detecting the path of an object moving in two dimensions
04/01/2010US20100080087 Multifunction Sports and Recreation Device
03/2010
03/31/2010EP2167915A1 Cartesian human morpho-informatic system
03/30/2010US7685722 Compact celestial navigation device
03/25/2010US20100076720 Orientation detection method and apparatus, and movement record computing apparatus
03/24/2010CN101680760A Physical amount measuring device and physical amount measuring method
03/24/2010CN101680740A External magnetic field angle determination
03/24/2010CN100595520C Method for locating walker
03/23/2010US7684945 Method for the calibration of a yaw rate measurement
03/17/2010CN101674358A Three-dimensional space locating mobile communication device
03/16/2010US7680616 Method for correcting an error of the imaging system of a coordinate measuring machine
03/16/2010US7680545 System and method for speed measurement verification
03/11/2010DE102008041859A1 Magnetfeldsensoranordnung zur Messung von räumlichen Komponenten eines magnetischen Feldes Magnetic field sensor arrangement for measurement of spatial components of a magnetic field
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