Patents
Patents for G01C 17 - Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (3,922)
12/2010
12/14/2010US7853422 Dynamic-mode atomic-force-microscope probe (Tip) vibration simulation method, program, recording medium, and vibration simulator
12/14/2010US7853345 Offset determination method for measurement system matching
12/09/2010WO2010141177A1 Calibration techniques for an electronic compass in a portable device
12/09/2010WO2010139704A1 Method and device for determining a direction towards a predefined location
12/09/2010WO2010040007A3 Method and apparatus for precision azimuth measurement
12/09/2010US20100312519 Automatically identifying geographic direction
12/09/2010US20100312510 Dynamic compass calibration in a portable device
12/09/2010US20100312509 Calibration techniques for an electronic compass in a portable device
12/09/2010US20100307016 Magnetometer Accuracy and Use
12/09/2010US20100307015 Accuracy indications for an electronic compass in a portable device
12/08/2010EP2259024A1 Method and system for determining a direction towards a predefined place
12/08/2010CN201667215U Multifunctional mp3
12/08/2010CN1396436B Portable electronic equipment with bearing measurement and its magnetic sensor, bearing measuring method
12/08/2010CN101208578B Electronic compass system
12/08/2010CN101023323B Direction processor, direction processing method, direction measuring instrument, inclination offset correcting method, direction measuring method, direction sensor unit and portable electronic appara
12/02/2010US20100302014 System and method for locating a target wireless device
12/01/2010CN201662871U Compass type earthquake alarm
12/01/2010CN201661857U LED flashlight provided with compass
12/01/2010CN101614543B Tai chi eight-diagram type Xuanyuan emperor southward pointing cart
11/2010
11/25/2010WO2010134348A1 Flux gate senior and electronic azimuth indicator making use thereof
11/25/2010US20100299093 Bearing Calculator and Error Correction Method
11/24/2010EP2253130A1 Device, method, and system for displaying data recorded with associated position and direction information
11/24/2010CN201657067U Novel mobile phone with compass
11/24/2010CN201655000U Intelligent remote control with digital compass
11/24/2010CN201653421U Liquid-suspension magnetic needle type compass
11/24/2010CN101894444A Compass type earthquake alarm
11/18/2010WO2010131599A1 Method for correcting a geomagnetic sensor for a mobile device, as well as a mobile device and a program
11/17/2010CN201636541U Electric torch
11/16/2010US7835879 Method and device for calibrating a magnetic sensor
11/16/2010US7835878 Travel angle detection system for mobile object
11/16/2010US7832111 Magnetic sensing device for navigation and detecting inclination
11/16/2010US7832110 Quasi-uniaxial solar trajectory tracking transit system
11/10/2010EP2247956A2 Method for making a magnetic field sensor and magnetic field sensor thus obtained
11/10/2010CN101882404A Compass array display device
11/10/2010CN101285686B Agricultural machines navigation hierarchical positioning process and system
11/02/2010US7826999 Magnetic tilt compensated heading compass with adaptive zoffset
11/02/2010US7824346 Determining condyle displacement utilizing electronic models of dental impressions having a common coordinate system
10/2010
10/27/2010CN201614784U 带有指南针的钥匙 Key with compass
10/27/2010CN101872531A Geomagnetic anomaly detector
10/27/2010CN101387518B Magnetic electron compass for vehicle with accelerating and decelerating compensating function and measurement method thereof
10/21/2010WO2010080820A3 Microphone and orientation sensor assembly
10/20/2010CN101868735A Controlling operation of a positioning module
10/20/2010CN101866596A Compass array display screen
10/19/2010US7818136 Portable electronic device capable of re-calibrating azimuth and method thereof
10/19/2010US7814671 Mobile bearing calculator and bearing correction method
10/13/2010CN201607230U 一种经纬激光罗盘仪 One kind of Jingwei laser compass
10/12/2010US7813887 Location determining system
10/06/2010CN201601743U 带指南针的摄像机 With compass Camera
10/06/2010CN201601716U 一种手机的地磁传感器 One kind of cell phone geomagnetic sensor
10/06/2010CN101373137B Electric dial compass and measuring method using the same
09/2010
09/30/2010WO2010110456A1 Magnetic detection device
09/30/2010US20100250176 Compass system and method for determining a reference field strength
09/29/2010CN101846734A Agricultural machinery navigation and position method and system and agricultural machinery industrial personal computer
09/29/2010CN101334284B Synchronous sampling method suitable for walker assembled positioning
09/29/2010CN101251584B Three-axial magnetometer correcting method and three-axial magnetic gradient correcting method
09/29/2010CN101210816B Compass
09/28/2010US7805276 Impact detection system
09/23/2010US20100236084 System for testing accuracy of electronic compass
09/22/2010CN201589618U Mobile carrier satellite antenna azimuth indicating meter
09/22/2010CN201589617U Device for fixing compass during surveying
09/22/2010CN201589616U Geologic compass with a clock
09/22/2010CN1816730B Azimuth measurement device and azimuth measurement method
09/22/2010CN101839716A Electronic compass test system and method
09/22/2010CN101839715A Tumbler-type compass ball
09/16/2010WO2010103966A1 Geomagnetism detection device
09/15/2010CN201583371U Support reaction testing and appraising system for high-altitude operation car
09/15/2010CN201583280U Compass with thermometer
09/15/2010CN201582576U Flashlight with compass
09/15/2010CN201577711U Hairpin-type compass
09/09/2010US20100223797 Nanowire magnetic sensor
09/08/2010CN201577116U Mobile phone
09/08/2010CN201575812U Construction engineering supervision-used detecting ruler
09/07/2010US7792653 Correction of interpolation errors of a machine, such as a coordinate measuring machine
09/02/2010WO2010099412A1 System and methods for calibratable translation of position
09/01/2010CN201569439U Automobile geographic position judging driving guiding device
09/01/2010CN201569438U High-precision digital magnetic compass device
09/01/2010CN201569383U Multi-purpose geographical ruler
08/2010
08/31/2010US7788062 Three-dimensional position-measuring apparatus
08/31/2010US7788061 Substrate and mask aligning apparatus
08/31/2010US7787981 System for reliable collaborative assembly and maintenance of complex systems
08/25/2010CN201562403U Object card labeling board
08/25/2010CN101813479A TMR (Triple Modular Redundancy) electronic compass
08/24/2010US7783444 Systems and methods of alternative overlay calculation
08/24/2010US7782361 Method and apparatus for measuring position and orientation
08/19/2010US20100208245 Apparatus and method for a light direction sensor
08/18/2010EP2218952A1 Device for mechanical localisation and reading the setting of an adjustable valve
08/18/2010CN201556425U Portable player provided with compass
08/18/2010CN201555591U Direct-current sine-cosine azimuth indicator
08/18/2010CN201555590U Compass
08/18/2010CN201555035U Guide mining lamp
08/18/2010CN101806595A Two-dimensional electronic compass calibration algorithm
08/18/2010CN101482409B Rock fissure direction and obliquity measuring method
08/12/2010US20100199506 Device for mechanically locating and reading the setting of an adjustable valve
08/11/2010EP2215494A1 Controlling operation of a positioning module
08/11/2010CN201549067U Multifunctional automobile remote controller
08/11/2010CN201548231U Auxiliary structure strike-dip survey tool
08/11/2010CN101441080B Device for detecting noise source direction
08/11/2010CN101393023B Digital magnetic compass on-line demarcating method based on geomagnetic model
08/04/2010CN201540113U Floor number confirm device and navigation terminal
08/03/2010US7769539 Bearing calculator and error correction method
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