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Patent Searching and Data


Title:
POINTING DEVICE
Document Type and Number:
Japanese Patent JP2007172494
Kind Code:
A
Abstract:

To provide a pointing device capable of designating a point precisely without causing erroneous operation of switching due to influences of external factors, such as residual magnetism and temperature, or position shift due to cursor movement or the like.

In the pointing device 11 provided with a point designation part 12 having a magnetic field generation member and a plurality of magnetic field detection parts 21 and 22 arranged with the point designation part 12 as a center, the respective magnetic field detection parts 21 and 22 comprise a pair of magnetoresistive elements in which detection directions generating from the point designation part 12 are opposite to each other.


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Inventors:
Miyashita, Isao
Watabe, Harumi
Hasunuma, Takashi
Application Number:
JP2005000372264
Publication Date:
July 05, 2007
Filing Date:
December 26, 2005
Export Citation:
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Assignee:
CITIZEN ELECTRONICS CO LTD
International Classes:
G06F3/033; H01H15/02; H01H15/16; H01H25/00
Attorney, Agent or Firm:
浅川 哲