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Radio with message reception and ambient noise level controlled indicator

  • US 4,904,992 A
  • Filed: 03/28/1989
  • Issued: 02/27/1990
  • Est. Priority Date: 03/28/1989
  • Status: Expired due to Term
First Claim
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1. A radio, comprising:

  • means for determining ambient sound level;

    means for receiving an information signal;

    means for comparing said ambient sound level to a threshold level, and for providing a control signal when said ambient sound level is at least equal to said threshold; and

    delay means for delaying activation of a message received indicator in response to said control signal.

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