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)
08/2005
08/18/2005CA2554788A1 Method and apparatus for land based seismic data acquisition
08/16/2005US6931339 Compass and communication system
08/16/2005US6931323 Apparatus and method of compensating for an attitude error of an earth magnetic sensor
08/11/2005US20050172504 Digital display compass for mounting on vehicle rear view mirror
08/10/2005CN1651862A Motion estimation method and system for mobile body
08/09/2005US6928366 Electronic compass system
08/04/2005WO2004106855A3 Self-balancing, no-spin magnet compass
08/04/2005WO2004103027A3 Electroluminescent illumination for a magnetic compass
08/03/2005EP1558895A1 Mobile electronic three-dimensional compass
08/02/2005US6925411 Method and apparatus for aligning semiconductor chips using an actively driven vernier
08/02/2005US6922902 Vehicle compass compensation
07/2005
07/28/2005US20050160609 Apparatus and method of calibrating azimuth of mobile device
07/26/2005US6922647 Device and method for automatically detecting a calibration termination for a geomagnetic sensor
07/21/2005WO2005050412A3 Apparatus and method for handheld sampling
07/21/2005US20050155240 Apparatus and method of calibrating azimuth of mobile device
07/21/2005US20050155236 Sundial with standard time display
07/20/2005CN1642183A Hand-held apparatus and its realizing method thereof
07/19/2005US6920406 Method of measuring the azimuth and resetting zero azimuth automatically
07/14/2005US20050154549 Method of measuring the azimuth and resetting zero azimuth automatically
07/14/2005US20050150295 One-chip compass implemented using magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques
07/14/2005US20050150122 Input device for using geomagnetic sensor and a method thereof for generating input signal
07/14/2005DE102004007775A1 Verfahren zum Bestimmen eines Neigungswinkels mit einem neigungskompensierten elektronischen Kompass A method for determining a tilt angle of tilt-compensated electronic compass with a
07/13/2005EP1553384A2 Geomagnetic sensor with azimuth calibration by compensating for an effect of tilting and method thereof
07/13/2005CN1639542A 电子罗盘系统 Electronic compass system
07/13/2005CN1637437A Device for detecting magnetic azimuth
07/07/2005WO2005061990A1 Azimuth measurement device
07/07/2005WO2005060462A2 Vehicle collision damage display technique
07/07/2005US20050145795 Magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques utilizing selective set and reset gain measurements
07/07/2005DE10356402A1 Verfahren zur Bestimmung der Absolutposition von einem beweglichen Bauteil Method for determining the absolute position of a movable component
07/06/2005CN2708247Y Compass
07/06/2005CN2708246Y Double-wheel double-string four-guide-roller laminated pointer type southward pointing cart
07/05/2005US6914761 Magnetoresistive sensor with magnetic flux paths surrounding non-magnetic regions of ferromagnetic material layer
06/2005
06/30/2005US20050143917 Method for searching for dip angle using tilt-compensated electronic compass
06/30/2005US20050143148 Portable terminal
06/30/2005US20050138825 Methods and apparatus for automatic magnetic compensation
06/29/2005CN1633583A Portable terminal
06/28/2005US6912475 System for three dimensional positioning and tracking
06/28/2005US6912444 Device for reliable position monitoring
06/23/2005US20050137828 Method for determining the absolute position of a movable component
06/23/2005US20050137827 System and method for managing arrangement position and shape of device
06/23/2005US20050134832 Rangefinder and measuring method
06/23/2005US20050132799 Mems based tilt sensor
06/22/2005CN1629606A Device for showing electronic map
06/16/2005WO2005055487A2 Network message processing using inverse pattern matching
06/16/2005US20050126023 Method and apparatus for using magnetic field
06/15/2005EP1541964A1 Method and apparatus for determining a property of a magnetic field
06/15/2005EP1540279A1 Magnetic marine compass
06/15/2005EP1242784A4 Digital compass with multiple sensing and reporting capability
06/15/2005CN1627041A Method and apparatus for using magnetic field
06/15/2005CN1627040A Method for searching for dip angle using tilt-compensated electric compass
06/09/2005US20050125193 Vehicle collision damage display technique
06/09/2005US20050125108 Motion estimation method and system for mobile body
06/09/2005US20050120571 Compass-based indicator with magnetic shielding
06/09/2005US20050120570 Mechanical celestial navigation and directional device
06/08/2005CN1624425A Automatic calibration method for use in electronic compass
06/07/2005US6904377 Method for measuring force-dependent gyroscope sensitivity
06/02/2005WO2005050412A2 Apparatus and method for handheld sampling
06/02/2005US20050115090 Magnetic north detecting device and magnetic north detecting method
06/01/2005EP1536207A1 Mobile terminal device
06/01/2005EP1536206A2 Three-axis fluxgate-type magnetism detecting device and method
05/2005
05/26/2005US20050114076 Fluxgate sensor for calibrating azimuth at slope and calibration method thereof
05/26/2005US20050114024 System and method for navigating using a digital compass
05/26/2005US20050110483 Three-axis fluxgate-type magnetism detecting device and method
05/26/2005US20050109935 Sensor and method of transmitting data in multiple protocols
05/26/2005US20050109111 Sensor and method of transmitting sensor data
05/26/2005US20050108943 Network message processing using inverse pattern matching
05/19/2005WO2004109232A3 Device for selecting location-based information according to requirements, said information being provided by mobile terminals
05/19/2005US20050108646 Telemetric contextually based spatial audio system integrated into a mobile terminal wireless system
05/19/2005DE102004036921A1 Kompassgestütztes Anzeigemittel mit magnetischer Abschirmung Compass-assisted display means with magnetic shielding
05/18/2005EP1531336A2 Fluxgate sensor for measuring azimuth and azimuth measuring method
05/18/2005CN1616921A Magnetic north detecting device and magnetic north detecting method
05/17/2005US6895356 Integrated laser mapping tablet and method of use
05/12/2005WO2005008278A3 Location determination by multiple measurements having position fix improvements
05/12/2005US20050101344 Portable electronic apparatus with azimuth measuring function, magnetic sensor suitable for the apparatus, and azimuth measuring method for the apparatus
05/11/2005EP1530024A1 Motion estimation method and system for mobile body
05/11/2005EP1530023A2 Magnetic north detecting device and magnetic north detecting method
05/11/2005EP1163651B1 Rearview mirror assembly with internally mounted compass sensor
05/10/2005US6889424 Head stack assembly installation system for a disc drive
05/05/2005US20050091861 Vehicle compass system with continuous automatic calibration
05/04/2005CN2697590Y Induction compass
04/2005
04/28/2005WO2005038396A1 Computer simulation model for determining damage to the human central nervous system
04/26/2005US6885969 Location estimation in partially synchronized networks
04/26/2005US6885303 Motion prediction within an amorphous sensor array
04/26/2005US6883241 Compass-based indicator with magnetic shielding
04/21/2005WO2003071304A8 Motion prediction within an amorphous sensor array
04/20/2005EP1095318B1 Watch equipped with means for determining a location longitude
04/20/2005CN2694230Y Modified compass
04/20/2005CN1608197A Direction sensor and its production method
04/14/2005US20050080591 Computer simulation model for determining damage to the human central nervous system
04/12/2005US6879284 Method and apparatus for identifying objects
04/12/2005US6877237 Method and system for acquiring calibration data for an electronic compass
04/10/2005CA2460709A1 System and method for configuring a digital compass to aid in navigation
04/07/2005US20050072011 Device for detecting magnetic azimuth
04/06/2005CN1605030A Magnetometer having a dynamically adjustable bias setting and electronic vehicle compass incorporating the same
03/2005
03/30/2005EP1519148A1 Azimuth measuring device and azimuth measuring method
03/30/2005CN2689172Y Compasses
03/30/2005CN2689171Y Compass vehicle with double spokeless wheels
03/29/2005US6871411 Automatic calibration method for use in electronic compass
03/24/2005US20050065740 Method for three-dimensional position calibration of audio sensors and actuators on a distributed computing platform
03/17/2005WO2005012835A3 System for using a 2-axis magnetic sensor for a 3-axis compass solution
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