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Keyless keyboard and a method of using them

  • US 6,796,734 B2
  • Filed: 12/09/2002
  • Issued: 09/28/2004
  • Est. Priority Date: 12/11/2001
  • Status: Expired due to Fees
First Claim
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1. An apparatus for data input into an electronic device, comprising:

  • a plurality keypanels and a fold line in between tow adjacent keypanels, along the fold lines, the keypanels can be folded, wherein the keypanels from substantially smooth surface when unfolded, wherein the surface is divided into a plurality of keyareas and a unique keystroke signal can be generated by the keyarea when the keyarea is pressed; and

    a connector through which the signals from keypanels are transmitted to the electronic device;

    wherein the apparatus comprises more than two keypanels and each keypanel bus a top portion and a bottom portion;

    wherein the second panel and a second panel are continuously connected along the fold line between them at both top and bottom portion; and

    wherein the second panel and a third panel are connected on the top portions and not connected on the bottom portion where the bottom portions can be separated.

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