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Portable computer comprising keyboard and coordinate input tablet connected by two perpendicularly arranged hinges

  • US 5,410,447 A
  • Filed: 08/31/1993
  • Issued: 04/25/1995
  • Est. Priority Date: 04/27/1990
  • Status: Expired due to Fees
First Claim
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1. A portable computer comprising:

  • a keyboard for inputting data;

    a main body case encasing said keyboard;

    an integrated display/input device, said integrated display/input device having a display and a coordinate input tablet, said display and said coordinate input tablet being overlapped, so as to form an integrated unit;

    an upper cover encasing said integrated display/input device, said upper cover having a first face in which a display/input surface of said integrated display/input device is exposed, and a second face which is opposite to said first face;

    a junction upper cover for connecting said upper cover to said main body case;

    a first hinge mechanism rotatably coupling said junction upper cover to said main body case along a first axis, said first hinge mechanism being rotatable between a closed position at which said main body case and said upper cover face each other, and an open position at which said main body case and said upper cover do not face each other; and

    a second hinge mechanism rotatably coupling said upper cover to said junction upper cover along a second axis perpendicular to said first axis, said second hinge mechanism being rotatable between a first position at which said first face of said upper cover is directed upward and a second position at which said second face of said upper cover is directed upward, at least when said main body case and said upper cover are at said closed position.

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