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Keypad layout for alphabetic symbol input

  • US 6,982,658 B2
  • Filed: 03/22/2001
  • Issued: 01/03/2006
  • Est. Priority Date: 03/22/2001
  • Status: Expired due to Term
First Claim
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1. A keypad layout for a hand-held electronic device comprising:

  • a plurality of keys, including keys “

    1

    through “

    9” and



    0

    , configured for data entry of numbers and symbols of a Romanized Chinese phonetic alphabet, each key representing at least one symbol of a syllable initial symbol group or a syllable semi-initial symbol group of the Romanized Chinese phonetic alphabet,wherein all keys representing symbols of the syllable initial symbol group are grouped separate from all keys representing symbols of the syllable semi-initial symbol group.

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