Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 1,451

Document Document Title
WO/2012/007026
In accordance with an example embodiment of the present invention, disclosed is an apparatus and a method thereof for automatic calibration of an electronic compass which comprises a housing, a magnetic field sensor mounted on a movable ...  
WO/2011/158856
Provided is an error cause determination method for a three-axis magnetic sensor comprising three magnetic elements for respectively detecting magnetic fields in the X-axis, Y-axis, and Z-axis directions. On the basis of output values fr...  
WO/2011/155527
A flux gate sensor comprises at least a magnetic core having a central portion and first and second end portions being continuous to the central portion, having a width wider than the width of the central portion, and located at both end...  
WO/2011/155526
A flux gate sensor comprises: at least a first interconnection layer formed on a substrate; a first insulating layer formed so as to cover the first interconnection layer; a magnetic core formed on the first insulating layer and having a...  
WO/2011/145204
The disclosed electronic compass computes the central axis (7) of a circle (70) on which a first detected value (P1), a second detected value (P2), and a third detected value (P3) detected by a three-axis magnetometer lie. Said electroni...  
WO/2011/143696
A magnetic compass is provided which features a stationary central pointer which extends outwards to the inside of a rim displaying graduated angular indicia, said rim being integral with a pivoting disc which is magnetically coupled. Th...  
WO/2011/140501
A mobile device configured to be used in a wireless communication network includes: an image capture device; at least one sensor configured to measure a first orientation of the mobile device; and a processor communicatively coupled to t...  
WO/2011/129288
Disclosed is a terrestrial magnetism detection device in which a triaxial sensor is employed to detect terrestrial magnetism, wherein the accuracy of subsequent detection or calculation can be evaluated when calibration processing is per...  
WO/2011/123149
A device coupled with a magnetometer and an angular rate sensor can determine a heading of the device using magnetometer data. When the device receives a notification that the magnetometer data may be inaccurate, the device can determine...  
WO/2011/116119
Wireless platform attitude information such as pitch, roll and heading are disclosed. Attitude estimates can be made by using orthogonally mounted gyroscopes. Attitude estimates can be also made by determining the direction of arrival of...  
WO/2011/108998
The invention deals with a compass and methods to detect the spatial direction of the predominant amount of free magnetic flux. The invention declares that it can be implemented by PMs (6, 7) on a flat plane with the possibility of rotat...  
WO/2011/103716
An intelligent wireless remote-control fishing boat includes a boat body (1) and a remote controller (2). A microcontroller (11) is provided in the boat body (1), and a control circuit (21) is provided in the remote controller (2). An el...  
WO/2011/099581
Disclosed is a portable electronic device that has an external form formed by a first main surface, a second main surface facing the first main surface, and side surfaces sandwiched between the first main surface and the second main surf...  
WO/2011/091083
Novel techniques for estimating compass and gyroscope biases for handheld devices are disclosed. The handheld devices can include wireless phones, navigational devices and video gaming systems. The compass bias can be determined by causi...  
WO/2011/089378
The invention provides a variable torque-rate test joint for the performance testing of rotary tools for threaded fasteners. In a typical test routine a nut (1) is repeatedly tightened by the tool and after each tightening the nut (1) mu...  
WO/2011/080946
A correct image taking bearing with no influence of disturbance is calculated in a short time period corresponding to image taking timing. Provided is an image taking device which is provided with an image taking unit, a geomagnetic sens...  
WO/2011/077788
Disclosed is an image capturing device capable of displaying a compass image in a natural state from a viewpoint of a user and recording a correct image-capturing azimuth, even when the orientation of the image capturing device changes. ...  
WO/2011/066073
Methods and apparatus are described herein for calibration and correction of non-constant sensor errors, and in particular non-constant compass errors, that are based in part on changing software and hardware modes of a host device. The ...  
WO/2011/066073
Methods and apparatus are described herein for calibration and correction of non-constant sensor errors, and in particular non-constant compass errors, that are based in part on changing software and hardware modes of a host device. The ...  
WO/2011/051245
The invention relates to a system for counting a basic movement of a person, including a housing (BT) and attachment means (EF) for rigidly connecting said housing (BT) to a portion of the body of said person, including: means for measur...  
WO/2011/037117
Disclosed is a geomagnetism detection device that is provided with a correction means that can correct offset deviation arising after calibration. The geomagnetism detection device is characterized by the correction means, which corrects...  
WO/2011/037118
Disclosed is a geomagnetism sensing device that can accurately compute angular velocity and the like at each point in time even while complicated movements are being performed, and that has a three-axis sensor that detects geomagnetism. ...  
WO/2010/141177
Measurement data is collected from a magnetic sensor in a portable device, while the device is being carried by its end user and without requiring the end user to deliberately rotate or position the device while the output data is being ...  
WO/2010/139704
The present invention relates to a method for determining a direction (7t, 7c) towards a predefined location, said method comprising the following steps: a) gathering positioning information (I, J) of a portable device (9, 10, 20) based ...  
WO/2010/134348
Provided is a flux gate sensor comprising the following: a magnetic core having a first wiring layer formed on a board, a first insulating layer formed in such a way as to cover the aforementioned first wiring layer, and a magnetic core ...  
WO/2010/131599
Provided is a mobile device equipped with a geomagnetic sensor, an attitude detection means for detecting the attitude of the pertinent mobile device, and a control device for controlling the geomagnetic sensor and the attitude detection...  
WO/2010/103966
Provided is a geomagnetism detection device comprising a three-axis sensor for detecting the geomagnetism and adapted for determining the correct azimuth even in an inclined posture by detecting the geomagnetic vector and further calcula...  
WO/2010/099412
A calibratable system for translating a position input by a user to a first device to a position output of a second device includes a translation module and a calibration module. The translation module receives the position input by the ...  
WO/2010/080820
A microphone and orientation sensor system includes a microphone and an orientation sensor. The microphone has a diaphragm. The orientation sensor includes an inertial load member having a first end and a second end opposite the first en...  
WO/2010/080820
A microphone and orientation sensor system includes a microphone and an orientation sensor. The microphone has a diaphragm. The orientation sensor includes an inertial load member having a first end and a second end opposite the first en...  
WO/2010/077864
A heading sensor includes a housing containing an interferometer having a mirror movable in response to fluctuations in a gravitational force applied to the housing. The interferometer, responsive to a light beam, generates an optical si...  
WO/2010/058594
The objective is to make it possible to estimate a highly reliable offset quickly or precisely according to the circumstances, and to further improve the reliability of the estimated offset even when a measurement data group has not been...  
WO/2010/051416
A mobile station determines an approximate latitude using a measured feature of the Earth's magnetic field. An approximate longitude may also be determined. The mobile station uses the approximate latitude and longitude, if determined, t...  
WO/2010/046158
The invention relates to a method for determining a deviation from zero (Hx0, Hy0) of an electronic compass, comprising the steps of determining first magnetic field strengths in a first coordinate system of the electronic compass by mea...  
WO/2010/040585
The invention relates to a device for measuring a direction of motion which comprises magnetic field measuring means for measuring the direction of the terrestrial magnetic field, motion measuring means for measuring a rate of rotation a...  
WO/2010/040007
Method and apparatus for precise measurement of azimuth. An angular rate sensor is rotated so its sensitive axis periodically aligns with the horizontal component of the earth's spin rate (north). A preferably sinusoidal signal is analyz...  
WO/2010/040007
Method and apparatus for precise measurement of azimuth. An angular rate sensor is rotated so its sensitive axis periodically aligns with the horizontal component of the earth's spin rate (north). A preferably sinusoidal signal is analyz...  
WO/2010/014877
A nanowire magnetic sensor and position sensor for determining the position of a magnetic object and direction of magnetic field is disclosed herein. A magnetic compass includes a number of magnetic nanosensors (120) printed on a circula...  
WO/2010/014877
A nanowire magnetic sensor and position sensor for determining the position of a magnetic object and direction of magnetic field is disclosed herein. A magnetic compass includes a number of magnetic nanosensors (120) printed on a circula...  
WO/2010/010415
My watch is inspired by nature and is trigonometric, that is, it is arranged such that the hands thereof rotate counterclockwise, in a direction opposite that of the hands of a conventional watch. Additionally, it includes a compass and ...  
WO/2010/010811
Provided is a geomagnetic sensor control device, the circuit scale of which can be reduced and with which a highly accurate measured value can be obtained. The geomagnetic sensor control device comprises an analog circuit part (1) for o...  
WO/2010/007160
The invention relates to a method for estimating the spatial orientation of an object at a moment k using the global acceleration (yA), magnetic field (yM), and rotation speed (yG) measurements of said object along three spatial axes, an...  
WO/2010/004873
Provided are an azimuth calculation device and an azimuth calculation method capable of preventing the azimuth from being displaced until the azimuth is stabilized. The azimuth calculation device is characterized by comprising an azimut...  
WO/2010/005200
The invention relates to a method and to an apparatus for measuring a tilt using a three-axis geomagnetic sensor. The apparatus for measuring a tilt using a three-axis geomagnetic sensor includes a three-axis geomagnetic sensor for measu...  
WO/2010/005200
The invention relates to a method and to an apparatus for measuring a tilt using a three-axis geomagnetic sensor. The apparatus for measuring a tilt using a three-axis geomagnetic sensor includes a three-axis geomagnetic sensor for measu...  
WO/2009/152796
The invention relates to a method for operating a display device driven by at least one stepping motor with display scale, comprising the steps: determining suitable step widths in at least those regions affected by stroboscopic flicker ...  
WO/2009/138441
The system for measuring a magnetic field comprises a main three-axis sensor (1) for measuring the magnetic field that is able to move together with a carrier (2) capable of generating at least one additional magnetic field that disrupts...  
WO/2009/127561
The system for determining parameters representing the orientation of a solid in movement subject to a first vector field (A) and a second vector field (M) includes a first triaxial sensor (CAPT1) and a second triaxial sensor (CAPT2) sec...  
WO/2009/112764
The invention relates to a method for making a field sensor (1) that comprises a series of n electrodes (2), with n > = 3, each including a core of magnetic alloys (3) associated with a winding (4). According to the invention, the method...  
WO/2009/112088
A system for presenting recorded data comprising an electronic device and a database connectable to the electronic device over a communications network, wherein the electronic device comprises a recording unit arranged to record data fro...  

Matches 1 - 50 out of 1,451