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Method and apparatus for obtaining status of monitoring devices over a network

  • US 7,356,128 B2
  • Filed: 07/15/2005
  • Issued: 04/08/2008
  • Est. Priority Date: 11/03/1997
  • Status: Expired due to Fees
First Claim
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1. A system for sending a status of an alarm sensor within a structure to a telephone over a first network comprising:

  • a telephone status file connected to a telephone status monitor for receiving the telephone status from the telephone, wherein the telephone status is indicative of the on-hook and off-hook status of the telephone and wherein the telephone is connected to the first network;

    an alarm sensor, wherein the monitoring device is adapted to provide output signals indicative of the status of the alarm sensor;

    an alarm sensor status file for receiving the output signals from the monitoring device;

    a processor connected to the first network and to the telephone status file and the alarm sensor status file via a second network, wherein the processor comprises instructions for, prior to sending the alarm sensor'"'"'s status to the telephone over the first network;

    reading the alarm sensor status file;

    if the alarm sensor status has changed, reading the telephone status file;

    if the telephone status is off-hook, then reading the telephone status file; and

    if the telephone status is on-hook, then sending the alarm sensor'"'"'s status to the telephone over the first network.

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