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Information input device and method

  • US 7,652,659 B2
  • Filed: 03/25/2005
  • Issued: 01/26/2010
  • Est. Priority Date: 03/25/2004
  • Status: Expired due to Fees
First Claim
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1. An information input device comprising:

  • two relatively slidable plate-shaped input members held between fingertips or parts of fingers of a hand to slide relative to each other; and

    an information producing portion for producing input information in accordance with at least a relative position or a relative movement of the plate-shaped input members, whereinone of the two relatively slidable plate-shaped input members is provided with an opening portion surrounded by at least one side surface; and

    the opening portion of the one plate-shaped input member is configured to allow an operator'"'"'s fingertip or a part of his/her finger to directly contact with a slidable contact face of the another plate-shaped input member through the opening portion so as to sense a relative positional displacement of the two plate-shaped input members as a change in the fingers'"'"' sense, and the opening portion is further configured to allow the operator'"'"'s fingertip or a part of his/her finger to contact with the at least one side surface.

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