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Telephone keypad input technique

  • US 4,872,196 A
  • Filed: 07/18/1988
  • Issued: 10/03/1989
  • Est. Priority Date: 07/18/1988
  • Status: Expired due to Fees
First Claim
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1. A method for entering one of a plurality of phonetic language symbols into a telephone apparatus having a keypad with at least one key for producing a first key signal and a second key signal, comprising:

  • providing a language symbol matrix having rows and columns and entries corresponding to an intersection of the rows and columns, each entry corresponding to one of the plurality of phonetic language symbols;

    selecting the first key signal a selected number of times to progress along the rows of the matrix;

    selecting the second key signal a selected number of times to progress along the columns of the matrix to designate an entry; and

    providing an input signal to the telephone to indicate the selection of the designated entry.

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