Lock input device for a security system

Details Lock input device for a security system Lock input device for a security system

2011-01-18

2011-01-18

Trieu, Van T. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S540000, C340S005320

Reexamination Certificate

active

07872577

ABSTRACT:
A security system for monitoring a door movably disposed within a frame a lock adjustable between a locked configuration and an unlocked configuration and a lock sensor configured to generate a signal when the lock adjusts to the unlocked configuration. A door sensor is configured to generate a signal when the door displaces with respect to the frame and an alarm device is configured to provide an alarm. A control is coupleable with the lock and door sensors and is switchable between armed and disarmed modes. The control is configured to operate in the armed mode such that the control activates the alarm when the control receives the door sensor signal prior to a receipt of the lock sensor signal. Alternatively, the control switches to the disarmed mode when the control receives the lock sensor signal prior to a receipt of the door sensor signal.

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patent: 6539755 (2003-04-01), Bruwer et al.
patent: 6568726 (2003-05-01), Caspi et al.
patent: 6703919 (2004-03-01), Baset

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