Input device for using geomagnetic sensor and a method...

Details Input device for using geomagnetic sensor and a method... Input device for using geomagnetic sensor and a method...

2005-01-05

2008-03-04

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

C033S35500D, C033S316000, C702S094000

Reexamination Certificate

active

07337549

ABSTRACT:
An input device using a geomagnetic sensor includes a geomagnetic sensor outputting a voltage corresponding to geomagnetism, and a control part calculating an azimuth using the voltage output from the geomagnetic sensor and calculating the rotation angle by comparing the azimuth to a previously measured azimuth, thereby generating the input signal corresponding to the rotation angle when the input device is tilted within a certain range. Accordingly, unwanted generation of the input signal is prevented when the input device is tilted by more than a certain angle.

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