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Alarm system

  • US 5,070,320 A
  • Filed: 06/12/1989
  • Issued: 12/03/1991
  • Est. Priority Date: 06/12/1989
  • Status: Expired due to Fees
First Claim
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1. An alarm system comprising:

  • at least one portable initiator means which is operable to transmit a first coded signal;

    said portable initiator means including manually operable actuator means which is operable to actuate said portable initiator means for transmitting said first coded signal;

    at least one receiver/retransmitter means operable to be actuated by receiving such a first coded signal and in response to retransmit a second coded signal having a code different from said first coded signal;

    receiver means operable to receive said second coded signal;

    indicia means associated with said at least one receiver/retransmitter means and operable to provide a local alarm upon actuation of said at least one receiver/retransmitter means and;

    said portable initiator means further including locking switch means which is operable to permit locked actuation of said actuator means to thereby limit said transmitting of said first coded signal, said portable initiator means being inoperable until reset by Authorized security personnel.

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