| Patents for G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (3,922) |
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| 01/29/2013 | US8364437 Mark arrangement inspecting method, mask data, and manufacturing method of semiconductor device |
| 01/23/2013 | CN202692988U Longitude-and-latitude ranging compass |
| 01/23/2013 | CN202692987U Vehicle-mounted compass and automobile steering wheel with same |
| 01/23/2013 | CN202692986U Laser compass |
| 01/23/2013 | CN102889885A Sub vehicle of Zhou gong south-pointing chariot |
| 01/17/2013 | WO2013009357A2 Inertial navigation common azimuth reference determination system and method |
| 01/17/2013 | US20130014398 Mirrored compass for improved directional reading |
| 01/17/2013 | US20130014397 Mirrored compass with improved sighting window |
| 01/16/2013 | EP2546606A2 Mirrored compass with improved sighting window |
| 01/16/2013 | EP2546605A2 Compass with improved declination adjustment |
| 01/16/2013 | EP2546604A2 Mirrored compass for improved directional reading |
| 01/16/2013 | EP2546603A2 Compass with improved reading precision |
| 01/16/2013 | CN202676171U 二维电子罗盘模块 Two-dimensional electronic compass module |
| 01/16/2013 | CN202676170U Novel geological compass device |
| 01/16/2013 | CN102884398A 取向传感器校准 Orientation Sensor Calibration |
| 01/15/2013 | US8355531 Position and orientation measurement method and position and orientation measurement apparatus |
| 01/13/2013 | CA2767693A1 Mirrored compass for improved directional reading |
| 01/13/2013 | CA2767307A1 Compass with improved declination adjustment |
| 01/13/2013 | CA2767305A1 Mirrored compass with improved sighting window |
| 01/13/2013 | CA2767287A1 Compass with improved reading precision |
| 01/11/2013 | CA2779241A1 Methods and devices to determine a mobile device housing position |
| 01/09/2013 | EP2543961A1 Physical amount measuring device and physical amount measuring method |
| 01/09/2013 | EP2542860A1 Compass and methods for detection of free magnetic flux |
| 01/09/2013 | CN202661073U Light control compass for blind person |
| 01/03/2013 | WO2013003281A1 Reducing power consumption or error of digital compass |
| 01/03/2013 | WO2013003124A1 Navigation in buildings with rectangular floor plan |
| 01/03/2013 | US20130000136 Magnetoresistive sensor and manufacturing method thereof |
| 01/03/2013 | US20130000134 Sundial for telling solar time and clock time across a range of latitudes and longitudes |
| 01/02/2013 | CN202648667U Orientation device |
| 01/01/2013 | US8341849 Method for operating a display device driven by at least one stepping motor |
| 12/26/2012 | CN202630961U Geology compass |
| 12/26/2012 | CN102843174A Directional transmitting method and directional transmitting device for underwater communication node |
| 12/25/2012 | US8339266 System and method for determining RFID tag placement |
| 12/20/2012 | WO2012172741A1 Noise pattern acquisition device and position detection apparatus provided therewith |
| 12/20/2012 | US20120323525 Longitude/latitude ten-dimension xyz digital-displaying spectrometer |
| 12/20/2012 | US20120323520 Motion determination |
| 12/20/2012 | US20120317825 Direction determining method and apparatus using a triaxial electronic compass |
| 12/19/2012 | CN202614238U Night-use type compass |
| 12/19/2012 | CN202614237U Southward pointing cart |
| 12/18/2012 | US8333016 Sundial for telling solar time and clock time across a range of latitudes and longitudes |
| 12/13/2012 | WO2012168357A1 Simplified method for estimating the orientation of an object, and attitude sensor implementing such a method |
| 12/12/2012 | CN102822626A Determining heading using magnetometer data and angular rate data |
| 12/12/2012 | CN102818564A Calibration method of three-dimensional electronic compass |
| 12/11/2012 | US8332181 System and method for alignment using a portable inertial device |
| 12/11/2012 | US8332180 Determining user compass orientation from a portable device |
| 12/11/2012 | US8332174 Computer instructions for positioning a wire using sensor information |
| 12/11/2012 | US8332173 Coordinate measuring machine |
| 12/11/2012 | US8332151 Gradient information calculating system, vehicle running control system, navigation system, and gradient information calculating method |
| 12/05/2012 | EP2530429A1 System and Method for Obtaining Magnetometer Readings for Performing a Magnetometer Calibration |
| 12/05/2012 | EP2529193A1 Variable torque-rate test joint |
| 12/05/2012 | CN202582552U Digital converter for magnetic compasses |
| 12/05/2012 | CN202566624U Bracelet with compass |
| 12/05/2012 | CN102808546A Multifunctional key |
| 12/04/2012 | US8326561 Dynamic motion control |
| 12/04/2012 | US8326560 Portable electronic apparatus and geomagnetism sensor calibration method |
| 12/04/2012 | US8326533 Apparatus and methodology for calibration of a gyroscope and a compass included in a handheld device |
| 11/29/2012 | WO2012159978A1 Method for remotely determining an absolute azimuth of a target point |
| 11/29/2012 | WO2012159804A1 Magnetic sensor device and method for establishing an item of information relating to a magnetic field strength component in the direction of at least one spatially fixed spatial axis |
| 11/29/2012 | CA2834666A1 Method for remotely determining an absolute azimuth of a target point |
| 11/28/2012 | EP2527880A2 Declination Compensation for Seismic Surveys |
| 11/28/2012 | CN202552422U Bracelet with compass |
| 11/28/2012 | CN102798393A Mobile device |
| 11/27/2012 | US8321168 Method for compensating drift in a position measuring device |
| 11/27/2012 | US8321166 Methods and systems for wireless platform attitude determination |
| 11/27/2012 | US8321161 Autonomous magnetic measurement system |
| 11/27/2012 | US8320708 Tilt adjustment for optical character recognition in portable reading machine |
| 11/27/2012 | US8316552 Systems and methods for three-axis sensor chip packages |
| 11/21/2012 | CN101532837B Device for calibrating aircraft magnetic compasses |
| 11/14/2012 | CN202535439U Handset unlocking system based on geomagnetic sensor |
| 11/14/2012 | CN202533088U High-precision three-axis electronic compass with tilt compensation and automatic compass deviation rectification |
| 11/14/2012 | CN202533087U South-pointing chariot |
| 11/14/2012 | CN202533086U Electric southward pointing cart |
| 11/14/2012 | CN1943509B Magnetic sensor assembly |
| 11/14/2012 | CN102779468A Compass array display shell of motor vehicle |
| 11/14/2012 | CN102779467A Compass array display door leaf |
| 11/14/2012 | CN102778227A Intelligent compass device |
| 11/08/2012 | US20120283977 Dynamic compass calibration in a portable device |
| 11/08/2012 | US20120279077 Systems and methods for three-axis sensor chip packages |
| 11/06/2012 | US8306769 Method, device and system for calibrating positioning device |
| 11/06/2012 | US8306768 Game apparatus and computer-readable recording medium recording game program for controlling attitude and position of an object in a virtual space |
| 11/06/2012 | US8306749 Systems and methods for route summarization |
| 10/31/2012 | EP2518993A1 Image capturing device, azimuth information processing method, and program |
| 10/31/2012 | CN102763400A Portable electronic device |
| 10/31/2012 | CN102005105B Marine disaster early-warning device based on time series similarity matching |
| 10/30/2012 | US8301410 Visual weight compensation |
| 10/30/2012 | US8296960 Compass with improved reading precision |
| 10/26/2012 | WO2012143456A1 Flow valve and method of manufacturing such a valve |
| 10/25/2012 | US20120268926 Multi-functional flashlight |
| 10/24/2012 | CN202501851U Compass |
| 10/24/2012 | CN202501850U Box-packed compass |
| 10/24/2012 | CN202501849U Multi-inclined-angle compass |
| 10/24/2012 | CN102754423A Image capturing device, azimuth information processing method, and program |
| 10/23/2012 | US8296098 Metrological instrument |
| 10/23/2012 | US8296089 Method for compensating for angular transmission error of wave gear device |
| 10/17/2012 | CN102739928A Camera equipment |
| 10/17/2012 | CN101393021B Integral digital circumferentor |
| 10/10/2012 | CN102722264A Position detection system and position detection method |
| 10/10/2012 | CN102721415A Optically-controlled compass for blind person |
| 10/10/2012 | CN101813479B TMR (Triple Modular Redundancy) electronic compass |
| 10/04/2012 | US20120247176 Test auxiliary device |