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Input device for a computer and the like and input processing method

  • US 5,943,233 A
  • Filed: 12/22/1995
  • Issued: 08/24/1999
  • Est. Priority Date: 12/26/1994
  • Status: Expired due to Fees
First Claim
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1. An input device for a computer comprising:

  • a movable body which displaces upon receipt of a load in a two-dimensional direction;

    a fixed light emitting element for emitting light; and

    a light receiving element for receiving an image of the light from the fixed light emitting element, the image of light shifting in association with displacement of the movable body,wherein the movable body, the fixed light emitting element, and the light receiving element are integrally formed and wherein a unitary movable section of the movable body encloses the fixed light emitting element and the light receiving element such that all light from the fixed light emitting element and to the light receiving element travel within the unitary movable section.

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