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Apparatus for inputting coordinates

  • US 20010022579A1
  • Filed: 01/19/2001
  • Published: 09/20/2001
  • Est. Priority Date: 03/16/2000
  • Status: Active Grant
First Claim
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1. An apparatus for inputting coordinates, the apparatus comprising:

  • a coordinate input plate including a coordinate input plane for inputting a coordinate position;

    a light source section which emits light that is substantially parallel to the coordinate input plane;

    a reflecting section which reflects the light emitted from the light source section; and

    a light receiving section which receives the light reflected by the reflecting section, wherein the light source section and the light receiving section are integrated to form a single optical unit, and this optical unit is embedded in the coordinate input plate.

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