×

Alarm reporting system

  • US 5,977,871 A
  • Filed: 02/10/1998
  • Issued: 11/02/1999
  • Est. Priority Date: 02/13/1997
  • Status: Expired due to Fees
First Claim
Patent Images

1. An alarm reporting system comprising a controlling interface unit linked to a plurality of event sensors associated with a premises, and at least one means of establishing communication, using wired communication lines or radio transmissions, between this interface unit and, on the one hand, a remote alarm receiving centre for monitoring the sensors at the premises, and, on the other hand, a remote auxiliary facility for filtering out potential false alarms from those premises, the interface unit being capable of routing signals originating from a selected type of sensor to the auxiliary filtering facility in addition to transmitting the same signals to the alarm receiving centre, and is further capable of receiving feedback signals from the auxiliary filtering facility negating an alarm condition and transmitting such signals on to the alarm receiving centre.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×