Position indicator

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United States of America Patent

PATENT NO 8350166
APP PUB NO 20100212976A1
SERIAL NO

12628765

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A position indicator comprises a case having a housing portion and an opening; a rod with a substantially bar-like body and an end and housed in the housing portion such that the end of the rod protrudes outside the case through the opening; and a sealing member attached to the opening and having an aperture into which the rod is inserted such that a gap between the aperture and the rod is sealed. A position detecting system comprises a position detecting device having a plurality of superimposed coils, a processing unit; and a position indicator. When the indicator approaches the position detecting device, a signal is induced by one of the coils, and the processing unit determines a position of the indicator based on the signal and a coordinate of the coil that induced the signal.

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First Claim

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Patent Owner(s)

  • WACOM CO., LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Baba, Yasuhiro Yachiyo-machi, JP 37 111

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