About 21 results
https://drivepatents.com/patents/996559 · 31 Oct 2012
Even when a posture of an imaging device changes, the imaging device can display a compass image in a natural mode when seen from a user's viewpoint and record a correct image capturing azimuth. Provided is an imaging device including: an image capturing u...
https://drivepatents.com/patents/998615 · 5 Sep 2012
A method and system are provided for obtaining data for calibrating an accelerometer. The method and system operate by using at least one magnetometer reading to detect that a first orientation is being maintained; obtaining a plurality of accelerometer re...
https://drivepatents.com/patents/999875 · 1 Aug 2012
[Object] To provide a geomagnetic sensing device including correcting means capable of correcting an offset error generated after calibration. [Solution] A controller 10 includes a calibration unit 10a, an offset error correcting unit 10b, an operation uni...
https://drivepatents.com/patents/1006906 · 21 Dec 2011
A magnetic sensor device is connectable to a data processing device and is a circuitry physically separate from the data processing device. In the magnetic sensor device, a detection unit detects magnetic field and outputs analog magnetic data representing...
https://drivepatents.com/patents/1068538 · 5 Apr 2006
A voltage generating section (11) applies first and second voltages having inverted polarities to a sensor section (12). The sensor section (12) outputs a voltage value corresponding to a change in geomagnetism. A bias magnetic field generating section (16...
https://drivepatents.com/patents/1068635 · 5 Apr 2006
There are provided an azimuth measurement device and its method for realizing an update of an offset calculated from the data acquired by azimuth measurement. A geomagnetism output measured by a 3-axis magnetic sensor (10) is amplified by an amplification ...
https://drivepatents.com/patents/1077910 · 11 May 2005
The magnetic north detecting device comprises: a 3-dimensional geomagnetism sensor unit including three geomagnetism sensors for detecting respective components of a geomagnetic field intensity in respective directions of three perpendicular coordinate axe...
https://drivepatents.com/patents/1078989 · 30 Mar 2005
An azimuth measuring device capable of calibrating a magnetic sensor without putting load on a user is provided. When a point having amplified output values Sx, Sy, Sz after a sensitivity correction as x, y, z components is arranged on an xyz coordinate sy...
https://drivepatents.com/patents/1084630 · 25 Aug 2004
A direction sensor has a first and a second bridge circuits; each circuit including at least two detecting elements formed on a main surface of a substrate and connected in series and their longitudinal directions are crossing each other. The sensor has al...
https://drivepatents.com/patents/1099047 · 15 Jan 2003
A portable phone has a CPU and a magnetic sensor unit including an X-axis magnetic sensor, a Y-axis magnetic sensor, and a temperature sensor. CPU measures at first and second temperatures the influence of a magnetic field of permanent magnets upon an outp...