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Membrane switch

  • US 6,600,121 B1
  • Filed: 11/19/2001
  • Issued: 07/29/2003
  • Est. Priority Date: 11/21/2000
  • Status: Expired due to Term
First Claim
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1. A key switch, comprising:

  • a multi-layer flex membrane having a top side and a bottom side; and

    a spring coupled to the flex membrane, the spring to increase a resiliency of the flex membrane, wherein the spring comprises a ring portion and a beam to extend across a diameter of the ring portion.

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