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Position indication device, and information storage medium

  • US 6,926,610 B2
  • Filed: 06/27/2001
  • Issued: 08/09/2005
  • Est. Priority Date: 06/27/2000
  • Status: Expired due to Fees
First Claim
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1. A position indication device for indicating a position within a screen of a display device, the position indication device comprising:

  • an indicator body that indicates a position within a screen of a display device;

    a lens that is provided in the indicator body and focuses light that is incident from a position indicated by the indicator body through a light-incident aperture of the indicator body;

    an optical sensor that is provided in the indicator body and detects light focused by the lens; and

    a light-proof member that is provided in the indicator body and covers the lens and the optical sensor completely in such a manner that external light other than light from the light-incident aperture is not incident on the lens and the optical sensor.

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