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Single line communication apparatus for speech and data and method therefor

  • US 5,202,915 A
  • Filed: 07/20/1992
  • Issued: 04/13/1993
  • Est. Priority Date: 07/01/1988
  • Status: Expired due to Term
First Claim
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1. A data communication apparatus, in which a remote telephone can be connected and a single communication line is selectively used for speech communication by the telephone and data communication by a data communication means, comprising:

  • detection mean for detecting a remote indication for starting data communication from the telephone remote from the data communication means;

    switch-over means for switching over the communication line from the telephone to the data communication means in response to the remote indication;

    control means for detecting reception of a signal related to data communication after the communication line has been switched over to the data communication means by the switch-over means, and for controlling a start of data communication in response to the signal reception detection; and

    information means for informing an operator at the telephone by a sound that data communication has been started by said control means.

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