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Line connection switching apparatus for connecting communication line in accordance with matching result of speech pattern

  • US 5,073,921 A
  • Filed: 02/01/1990
  • Issued: 12/17/1991
  • Est. Priority Date: 11/30/1987
  • Status: Expired due to Fees
First Claim
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1. A switching apparatus for switching a line which is connected to a telephone, to a facsimile device, in response to a speech command coming from the line, said apparatus comprising:

  • means for discriminating between a speech signal and noise coming from the line, based on a predetermined threshold value;

    first storing means for storing the speech signal discriminated by the discriminating means;

    means for detecting the speech signal as a candidate of the speech command when a duration of the signal discriminated by the discriminating means falls within a predetermined range;

    second storing means for storing a standard characteristic pattern of the speech command;

    means for comparing a characteristic pattern of the speech signal detected as a candidate of the speech command with the standard characteristic pattern of the speech command; and

    means for switching the line which is connected to the telephone, to the facsimile device when the characteristic pattern of the speech signal detected as a candidate of the speech command matches a standard characteristic pattern of the speech command in the means for comparing.

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