Fire control panel monitoring for degradation of wiring integrity during alarm state
First Claim
Patent Images
1. An alarm system comprising:
- an electrical conductor;
a plurality of alarm devices powered from the electrical conductor; and
a load sensor which, during an alarm state, senses the electrical load on the electrical conductor to indicate failure of one or more devices.
3 Assignments
0 Petitions
Accused Products
Abstract
An alarm system includes a plurality of alarm devices connected to a load sensor. The load sensor senses the electrical load in the alarm system and indicates both the failure of the alarm devices in the system and the likely location of the failed devices.
-
Citations
17 Claims
-
1. An alarm system comprising:
-
an electrical conductor;
a plurality of alarm devices powered from the electrical conductor; and
a load sensor which, during an alarm state, senses the electrical load on the electrical conductor to indicate failure of one or more devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A method of monitoring an alarm system comprising:
-
applying power to a plurality of alarm devices on a conductor, during an alarm state, monitoring an electrical load on the conductor; and
indicating failure of one-or more alarm devices based on the electrical load. - View Dependent Claims (16, 17)
-
Specification