Wireless alarm system

Details Wireless alarm system Wireless alarm system

1995-09-15

1997-04-29

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular coupling link

34022569, 340313, 340314, 341175, 341176, G08B 108

Patent

active

056253389

ABSTRACT:
A security system having a two way wireless keypad which operates in a particular manner for improved operation. The keypad processes information to effectively reduce communications between the control panel and the keypad. The keypad selectively activates and deactivates a transmitter and receiver arrangement for power conservation reasons. The system provides confirmation of communications between the keypad and the control panel to increase the reliability of the system.

REFERENCES:
patent: 4754255 (1988-06-01), Sanders et al.
patent: 5252966 (1993-10-01), Lambropoulos et al.

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