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Alarm system backup

  • US 5,768,343 A
  • Filed: 09/17/1996
  • Issued: 06/16/1998
  • Est. Priority Date: 09/06/1995
  • Status: Expired due to Fees
First Claim
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1. An alarm apparatus comprising:

  • an alarm control system locatable within a building;

    a telephone wire operationally connecting said alarm control system to a phone company service line located distally away from said building, said telephone wire including a portion that runs through a first entry point of said building;

    a false phone line for entry into said building through a second entry point of said building, wherein said false phone line includes a portion that is visible outside of said building, and wherein said second entry point is distally located away from said first entry point; and

    a false line cut detector having means for recognizing a cut in the false phone line and means for reporting said cut to said alarm control system.

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