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AUTOMATIC TELEPHONE DIALER FOR EMERGENCY MESSAGES

  • US 3,632,879 A
  • Filed: 06/18/1970
  • Issued: 01/04/1972
  • Est. Priority Date: 06/18/1970
  • Status: Expired due to Term
First Claim
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1. Apparatus for automatically dialing a public telephone line and transmitting an emergency message, comprising first and second magnetic pickup heads disposed to pick up prerecorded emergency messages from respective first and second channels prerecorded on a magnetic tape;

  • first and second channels prerecorded on a magnetic tape;

    first and second relays connected in circuit with the first and second pickup heads respectively and with respective first and second groups of emergency sensors; and

    circuit means interconnecting the relays so that activation of a sensor in the first group causes activation of first relay and deactivation of the second relay so that only the message from the first channel is transmitted to said line and a support carrying said pickup heads in a fixed position and arranged for movably supporting a cartridge containing said magnetic tape;

    a solenoid carried by said support and connected in circuit with said relays;

    a plunger actuated by the solenoid; and

    mechanical means operatively connected to said plunger and arranged to move said cartrIdge on said support when the solenoid is energized for pressing said tape against said pickup heads.

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