| Patents for G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (3,922) |
|---|
| 03/10/2010 | CN201421334Y Compass |
| 03/10/2010 | CN201418472Y Tourist article |
| 03/09/2010 | US7676341 Magnetic sensor control device |
| 03/03/2010 | EP2158497A1 Mobile control node system and method for vehicles |
| 03/03/2010 | CN201418098Y Mobile phone with compass |
| 03/03/2010 | CN201417146Y Digital direction finder |
| 03/03/2010 | CN201417145Y A universal compass |
| 02/24/2010 | EP2157405A1 Physical amount measuring device and physical amount measuring method |
| 02/24/2010 | CN201413103Y Practical tapeline |
| 02/24/2010 | CN201410831Y Multifunctional ruler |
| 02/24/2010 | CN201409548Y Ring provided with compass |
| 02/23/2010 | US7668678 Calibration of a Metrological apparatus |
| 02/23/2010 | US7668677 Error correction method for a displacement sensor signal |
| 02/23/2010 | US7668617 Method of calibrating an ophthalmic-lens-piercing machine, device used to implement one such method and ophthalmic-lens-machining apparatus comprising one such device |
| 02/17/2010 | EP2153165A2 External magnetic field angle determination |
| 02/17/2010 | CN201408008Y Beacon |
| 02/17/2010 | CN201403665Y Schoolbag capable of preventing missing one's way |
| 02/17/2010 | CN101652631A Auto-calibration of orientation sensing system |
| 02/17/2010 | CN101652630A Low cost electronic compass with 2D magnetometer |
| 02/17/2010 | CN101652629A Method and system for orientation sensing |
| 02/17/2010 | CN101650184A Southward pointing cart |
| 02/17/2010 | CN101650183A Vertical planet carrier wheel southward pointing cart |
| 02/10/2010 | CN201402854Y Box with compass |
| 02/09/2010 | US7660688 Surface-profile measuring instrument |
| 02/04/2010 | WO2010014877A2 Nanowire magnetic compass and position sensor |
| 02/04/2010 | US20100024231 Nanowire magnetic compass and position sensor |
| 02/03/2010 | CN100587398C Mounting table for north-searching instrument |
| 02/02/2010 | US7657065 Marker placement information estimating method and information processing device |
| 01/28/2010 | WO2010010811A1 Geomagnetic sensor control device |
| 01/28/2010 | WO2010010415A1 Trigonometric watch |
| 01/21/2010 | WO2010007160A1 Method for the improved estimation of an object orientation and attitude control unit implementing said method |
| 01/21/2010 | US20100017160 Device comprising a sensor arrangement and an updater |
| 01/20/2010 | CN201387326Y Novel movable compass |
| 01/20/2010 | CN201385693Y Direction indicating structure of steering wheel |
| 01/20/2010 | CN201384288Y Mirror |
| 01/20/2010 | CN101629823A Correction method for the deviation of magnetic compass |
| 01/19/2010 | US7650257 Enhanced hang-timer for console simulation |
| 01/19/2010 | US7650253 Accelerometer and method for error compensation |
| 01/19/2010 | US7650252 Inclinometer measurement system and method providing correction for movement induced acceleration errors |
| 01/14/2010 | WO2010005200A2 Method and apparatus for measuring tilt using a three-axis geomagnetic sensor |
| 01/14/2010 | WO2010004873A1 Azimuth calculation device and azimuth calculation method |
| 01/13/2010 | CN100580475C Magnetic data processing device |
| 01/12/2010 | US7647197 Mobile instrument, viewing device, and methods of processing and storing information |
| 01/07/2010 | US20100001714 Detector for Calculating the Depth of a Buried Conductor |
| 01/06/2010 | EP2141455A1 Orientation-following display apparatus, orientation-following display method, and orientation-following display program |
| 01/06/2010 | EP2140227A1 Method and system for orientation sensing |
| 01/06/2010 | CN201378225Y Multifunctional digital ranging positioning telescope |
| 01/06/2010 | CN101619974A Orientation-following display apparatus, orientation-following display method, and orientation-following display program |
| 01/06/2010 | CN100578410C Ocean towing linear array high-precision course heading control method |
| 01/05/2010 | US7643961 Position detecting device and position detecting method |
| 12/31/2009 | US20090320305 Portable Electronic Apparatus and Geomagnetism Sensor Calibration Method |
| 12/30/2009 | EP2138204A1 Device for treating in particular arthrosis, at least when using pulsing magnetic fields |
| 12/30/2009 | EP2137491A1 Low cost electronic compass with 2d magnetometer |
| 12/30/2009 | CN201374736Y Intelligent mobile phone augmented reality system based on three-dimensional electronic compass |
| 12/30/2009 | CN201374734Y Compass device of mobile terminal |
| 12/30/2009 | CN201373915Y Navigation device |
| 12/30/2009 | CN201370201Y Multifunctional traveling bag |
| 12/30/2009 | CN201370190Y Umbrella capable of identifying directions |
| 12/30/2009 | CN101614543A Tai chi eight-diagram type Xuanyuan emperor southward pointing cart |
| 12/30/2009 | CN100576250C System and method for approximating an editable surface |
| 12/29/2009 | US7637024 Magnetic field sensing device for compassing and switching |
| 12/24/2009 | US20090319222 Portable terminal device |
| 12/24/2009 | US20090319175 Mobile computing devices, architecture and user interfaces based on dynamic direction information |
| 12/23/2009 | WO2009152796A1 Method for operating a display device driven by at least one stepping motor |
| 12/23/2009 | EP2136181A1 Direction calculation program and electronic compass |
| 12/23/2009 | EP2135033A2 Auto-calibration of orientation sensing system |
| 12/23/2009 | CN101608917A Method and apparatus for measuring magnetic offset of geomagnetic sensor and portable electronic apparatus |
| 12/23/2009 | CN100573387C Freedom positioning system for robot |
| 12/23/2009 | CN100573049C Azimuth measurement device |
| 12/17/2009 | WO2009112764A3 Method for making a magnetic field sensor and magnetic field sensor thus obtained |
| 12/16/2009 | CN201364159Y Luminous compass |
| 12/10/2009 | US20090300928 Mobile Electronic Apparatus and Bearing Display Method of Same |
| 12/09/2009 | EP2131147A1 systems and methods for improving magnetic heading output from an inertial navigation system |
| 12/09/2009 | CN101600147A Device, system and method for displaying and tracking group position |
| 12/03/2009 | US20090293295 Azimuth calculation program and electronic compass |
| 12/03/2009 | US20090293294 Sensor chip, detection device and method of manufacturing detection device |
| 12/02/2009 | CN201355251Y Structure of compass azimuth mirror |
| 12/02/2009 | CN101592947A Zigbee accessed electric wheelchair controller and control method |
| 11/26/2009 | US20090292497 Real time error determination for inertial instruments |
| 11/26/2009 | US20090292496 Vehicle compass compensation |
| 11/26/2009 | US20090292495 Dynamic motion control |
| 11/25/2009 | CN101586958A Azimuth measurement device |
| 11/25/2009 | CN101586957A Rapid polar-finding de-noising processing method based on fibre optic gyro |
| 11/25/2009 | CN100562711C Motion estimation method and system for mobile body |
| 11/24/2009 | US7623230 Optical sensor calibration |
| 11/19/2009 | WO2009138441A1 System for measuring a magnetic field comprising a three-axis sensor for measuring a magnetic field that is able to move together with a carrier that disrupts the measurements, and associated method |
| 11/19/2009 | US20090287413 Systems and methods for improving magnetic heading output from an inertial navigation system |
| 11/18/2009 | CN100561125C Portable terminal apparatus with auto calibration of orientation measurement |
| 11/17/2009 | CA2514154C Electronic compass system |
| 11/11/2009 | CN201342230Y Line-drawing range finder |
| 11/04/2009 | CN201340265Y Base station antenna angle meter and base station antenna system |
| 11/03/2009 | US7613581 Method, apparatus, and medium for calibrating compass sensor in consideration of magnetic environment and method, apparatus, and medium for measuring azimuth using the compass sensor calibration method, apparatus, and medium |
| 10/28/2009 | CN101566474A Positioning and directional digital geological compass with low cost, high precision and high integration |
| 10/22/2009 | WO2009127561A1 System and method for determining parameters representing orientation of a solid in movement subject to two vector fields |
| 10/20/2009 | US7606676 Compass sensor unit and portable electronic device |
| 10/08/2009 | US20090254294 Processes for more accurately calibrating and operating e-compass for tilt error, circuits, and systems |
| 10/07/2009 | CN201322620Y 自动罗盘 Auto compass |
| 10/06/2009 | US7599814 System and method for computing reachable areas |
| 10/06/2009 | US7599810 Position detecting circuit and apparatus using the same |
| 10/01/2009 | US20090248352 Motion sensing program and electronic compass with motion sensing program |