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Apparatus for communicating data via a telephone

  • US 5,086,453 A
  • Filed: 05/30/1990
  • Issued: 02/04/1992
  • Est. Priority Date: 05/30/1989
  • Status: Expired due to Fees
First Claim
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1. A data communication apparatus comprising:

  • data communication means, adapted to be connected, in parallel with a telephone set, to a public telephone line, for communicating data by transmission or reception, with other station through connection to the telephone line, with said another station;

    termination command generating means for generating a termination command, upon being activated, to terminate said data communication by said data communication means under predetermined conditions, in other words remove the brackets;

    detection means for detecting said termination command and generating a detection signal;

    delay means for delaying said detection signal by a predetermined time to delay telephone line connection termination to provide a period of time to switch to audible communication, subsequent to said data communication prior to telephone line connection termination; and

    line connection terminating means responsive to said delayed detection signal for terminating said telephone line connection upon expiration of said predetermined time, without switching to audible communication.

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