System and method for arming an alarm system when an occupant fa

Details System and method for arming an alarm system when an occupant fa System and method for arming an alarm system when an occupant fa

1995-06-16

1997-10-14

Crosland, Donnie L.

Communications: electrical

Condition responsive indicating system

With particular system function

340527, 340528, G08B 2900

Patent

active

056776721

ABSTRACT:
An alarm system including a sensor for providing an output signal upon sensing a given condition, an alarm unit for providing an alarm signal on receipt of the output signal, and a timer, coupled between the sensor and the alarm unit, which is reset to a preset count each time it receives an indication that the sensor has detected the given condition where the timer is allowed to count down from a preset count while no sensor is providing output signals and an arming signal is generated by the timer when it completes the countdown.

REFERENCES:
patent: 4157540 (1979-06-01), Oros
patent: 4543568 (1985-09-01), Hwang
patent: 4879542 (1989-11-01), Elsey
patent: 5057816 (1991-10-01), Kostusiak et al.

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