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Curved keyboard keypad and contact structure

  • US 5,929,401 A
  • Filed: 02/19/1998
  • Issued: 07/27/1999
  • Est. Priority Date: 06/19/1996
  • Status: Expired due to Fees
First Claim
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1. A keypad comprising:

  • a rigid plate having openings;

    a flexible sheet having keys which protrude through said openings;

    a flexible contact sheet having contacts configured to contact said keys; and

    a rigid insertion plate, said rigid plate and said rigid insertion plate having a curved shape, wherein said flexible sheet and said flexible contact sheet are located between said rigid plate and said rigid insertion plate to conform to said curved shape.

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