Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1997-11-10
1999-03-30
Mullen Jr., Thomas J.
Communications: electrical
Condition responsive indicating system
Specific condition
340629, 340691, 34082536, 379 40, 379 42, 379 43, 379 44, 379 45, G08B 1710
Patent
active
058894683
ABSTRACT:
An extra security alarm system for monitoring conditions within a predetermined monitoring area and alerting persons located throughout the monitoring area, persons in the vicinity and appropriate emergency personnel of an emergency situation. The extra security alarm system includes a plurality of sensors strategically positioned throughout the monitoring area for sensing conditions within the monitoring area. Each of the sensors includes a control unit for analyzing the sensed conditions to determine if an alarm situation exists and generating a sensor signal indicative of the sensed conditions, a transmitter for transmitting the generated signal to the other sensors, a receiver for receiving sensor signals from the other sensors and an alarm for generating an alarm signal upon determining an alarm condition has been sensed by the system. A central monitoring unit is centrally positioned within the monitoring area and includes a receiver for receiving sensor signals from the sensors, a control unit for analyzing the received signals and generating an emergency signal upon determining an emergency situation exists and a transmitter for transmitting the generated emergency signal. A telephone unit for alerting emergency personnel is positioned to receive the emergency signal from the central monitoring unit and a device for alerting persons in a vicinity of the monitoring area upon receipt of said emergency signal from said central monitoring unit is positioned about a periphery of the monitoring area.
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Kroll Michael I.
Mullen Jr. Thomas J.
Pham Toan N
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