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Method and apparatus to improve tactile feel for keyboards and button assemblies

  • US 7,759,590 B2
  • Filed: 04/11/2008
  • Issued: 07/20/2010
  • Est. Priority Date: 03/16/2003
  • Status: Expired due to Fees
First Claim
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1. A keypad assembly comprising:

  • a plurality of keycaps; and

    a carrier positioned to directly support the plurality of keycaps, so that the plurality of keycaps extend from the carrier, and wherein the carrier is formed from flexible material;

    wherein the carrier has (i) one or more flat regions, and (ii) a plurality of formations for which material of the carrier is removed or reduced as compared to the one or more flat regions; and

    a circuit layer that is provided underneath and separate from-the carrier, the circuit layer including electrical contacts for enabling use of the keypad.

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  • 8 Assignments
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