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Touch-type key input apparatus

  • US 7,800,587 B2
  • Filed: 08/11/2005
  • Issued: 09/21/2010
  • Est. Priority Date: 04/27/2001
  • Status: Expired due to Fees
First Claim
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1. A keypad comprising:

  • a number of keys, each of the keys representing at least one character wherein the character may be a letter, a number or a symbol;

    a first subset of the number of keys wherein each key of the first subset represents and simultaneously displays at least one of a set of a numeral, a symbol, and a letter, and the letters are not distributed equally across all of the first subset of key that include letters; and

    wherein the letters are substantially in a standard arrangement with at least one alphabet letter out of order from the standard arrangement.

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