Title:
METHOD FOR CORRECTING A GEOMAGNETIC SENSOR FOR A MOBILE DEVICE, AS WELL AS A MOBILE DEVICE AND A PROGRAM
Document Type and Number:
WIPO Patent Application WO/2010/131599
Kind Code:
A1
Abstract:
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 means. When the geomagnetic sensor detects that a predetermined attitude change occurs, the control device starts processing for correcting the geomagnetic sensor, depending on detection.
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Inventors:
KADOKURA, Junichi (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2010/057783
Publication Date:
November 18, 2010
Filing Date:
April 26, 2010
Export Citation:
Assignee:
NEC Corporation (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 〒1088001, JP)
日本電気株式会社 (〒01 東京都港区芝五丁目７番１号 Tokyo, 〒1088001, JP)
International Classes:
G01C17/38; H04M1/00
Attorney, Agent or Firm:
IKEDA, Noriyasu et al. (Hibiya Daibiru Bldg, 2-2 Uchisaiwaicho 1-chome, Chiyoda-k, Tokyo 11, 〒1000011, JP)
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Claims: