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Data communication apparatus with an abbreviated dial key having a plurality of dial data and capable of selecting one of two communication functions

  • US 5,216,705 A
  • Filed: 01/17/1992
  • Issued: 06/01/1993
  • Est. Priority Date: 07/12/1989
  • Status: Expired due to Term
First Claim
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1. A communication apparatus having a first communication mode and a second communication mode, comprising:

  • an abbreviated dial key;

    a memory for storing first dial data and second dial data in correspondence with said abbreviated dial key;

    setting means for setting at least one of the first and second dial data to be identified as dial data for the first or second communication mode;

    detection means for detecting when communication data is present to provide a detection signal at a first value, said detection means further detecting when communication data is not present to provide the detection signal at a second value; and

    control means responsive to key input of the abbreviated dial key for selecting one of the first and second dial data to generate a call based on the selected dial data, and for selecting one of the first and second communication modes in accordance with the setting by said setting means and the detection signal of said detection means.

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