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Prevention of audible control signal transmission

  • US 6,055,416 A
  • Filed: 08/25/1997
  • Issued: 04/25/2000
  • Est. Priority Date: 04/28/1994
  • Status: Expired due to Term
First Claim
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1. A communication apparatus comprising:

  • receiving means for receiving a communication signal;

    transmitting means for transmitting a control signal;

    audible output means for outputting an audible output in accordance with the communication signal; and

    limiting means for starting a limitation of the audible output according to a transmission of the control signal to another communication apparatus by said transmitting means and for stopping the limitation of the audible output according to a reception of a predetermined signal from said another communication apparatus by said receiving means.

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