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Emergency response system

  • US 5,339,351 A
  • Filed: 06/02/1992
  • Issued: 08/16/1994
  • Est. Priority Date: 06/02/1992
  • Status: Expired due to Fees
First Claim
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1. An emergency response system for a telephone network comprising at least one central office and a plurality of telephones coupled to said at least one central office either directly or indirectly, said emergency response system comprising:

  • (a) a plurality of location identification modules, said plurality of location identification modules being associated with the telephones of said telephone network by connecting the location identification modules across the pair of tip and ring wires of the telephone lines extending to said associated telephones on a one-to-one basis such that each pair of tip and ring wires is connected to a separate location identification module, said location identification modules including;

    (1) storage means for storing information about the location identification of all associated telephones connected to the pair of tip and ring wires to which the location identification module is connected;

    (2) enabling means for enabling said location identification modules to respond to a request for location identification information when an associated telephone goes off-hook and an emergency code is dialed by the associated telephone; and

    (3) sending means for sending said location identification information stored in said storage means to an emergency response center after being enabled upon receipt of a request for said location identification information from said emergency response center; and

    (b) an emergency response center forming part of said telephone network and connected by said at least one central office to said telephones when any of said telephones dials said emergency code, said emergency response center including location request means for requesting location identification information from the location identification module associated with a telephone connected to said emergency response center.

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