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Remotely actuated telephone alarm system

  • US 4,219,698 A
  • Filed: 05/22/1978
  • Issued: 08/26/1980
  • Est. Priority Date: 05/22/1978
  • Status: Expired due to Term
First Claim
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1. An alarm system for use with a telephone system serviced by Touch Tone®

  • equipment or Touch Tone®

    equipment intermixed with digital dialing equipment comprising;

    (a) An emergency transmitter unit energizable to generate a modulated RF signal for transmission to a remote location, and(b) a receiver dialer unit energizable in response to receipt of the modulated RF signal transmitted by the emergency transmitter and adapted to be coupled into a telephone line for automatically dialing a preselected telephone and delivering a prerecorded message into the telephone so dialed, said receiver dialer unit including means for storing and transmitting over the telephone line the electrical equivalent of a series of Touch Tone®

    combinations corresponding to the number to be dialed and the message to be delivered,wherein the means for storing and transmitting the series of Touch Tone®

    combinations corresponding to the number to be dialed and the message to be delivered over the telephone line comprises a tape transport unit, said transport unit including a recording tape, said recording tape having recorded thereon a series of audio frequency tones corresponding to the series of Touch Tone®

    combinations of the number to be dialed along with the message to be delivered.

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