PORTABLE ELECTRONIC DEVICE AND METHOD OF CONTROLLING THE SAME

Title:

PORTABLE ELECTRONIC DEVICE AND METHOD OF CONTROLLING THE SAME

Document Type and Number:

WIPO Patent Application WO/2008/012990

Kind Code:

A1

Abstract:

A portable electronic device (100) having an earth magnetism sensor (110) for detecting earth magnetism used to calculate a direction, a calibration data acquisition section (121) for acquiring calibration data for correction in the direction calculation, a direction calculation section (125) for calculating a direction by using earth magnetism and the calibration data, and a control section (124, 120) for preventing, when calibration data is acquired by the calibration data acquisition section when at least one function among plural functions is being executed, this calibration data from being used for direction calculation by the direction calculation section.

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Inventors:

KASHIYAMA, Hideki (Yokohama Office 1-1, Kagahara 2-chome, Tsuzuki-ku, Yokohama-sh, Kanagawa 02, 2248502, JP)
柏山英輝 (〒02 神奈川県横浜市都筑区加賀原２丁目１番１号京セラ株式会社横浜事業所内 Kanagawa, 2248502, JP)

Application Number:

JP2007/061312

Publication Date:

January 31, 2008

Filing Date:

June 04, 2007

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Assignee:

KYOCERA CORPORATION (6 Takedatobadono-cho, Fushimi-ku Kyoto-sh, Kyoto 01, 6128501, JP)
京セラ株式会社 (〒01 京都府京都市伏見区竹田鳥羽殿町６番地 Kyoto, 6128501, JP)
KASHIYAMA, Hideki (Yokohama Office 1-1, Kagahara 2-chome, Tsuzuki-ku, Yokohama-sh, Kanagawa 02, 2248502, JP)

International Classes:

G01C17/38; G08G1/005; H04M1/00; G01C17/00; G08G1/005; H04M1/00

Attorney, Agent or Firm:

SUGIMURA, Kenji et al. (7F Kazan Building, 2-4 Kasumigaseki,3-chome, Chiyoda-ku, Tokyo 13, 1000013, JP)

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