Intrusion alarm and automatic illumination system

Details Intrusion alarm and automatic illumination system Intrusion alarm and automatic illumination system

1986-07-28

1989-01-03

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340506, 340528, 340691, 340693, G08B 1308

Patent

active

047960108

ABSTRACT:
An intrusion alarm system provides automatic illumination of an entranceway when the entrance door is opened and sounds an audible alarm if the system is not disarmed within a brief predetermined time after the door is opened. The light which is used to illuminate the entranceway is also controlled independently of the alarm system by a conventional wall mounted on/off switch.

REFERENCES:
patent: 3510863 (1970-05-01), McBrian
patent: 4151520 (1979-04-01), Full
patent: 4155081 (1979-05-01), Haglund
patent: 4167680 (1979-09-01), Gross
patent: 4206450 (1980-06-01), Harden et al.
patent: 4223232 (1980-09-01), Bulat
patent: 4422068 (1983-12-01), Helft et al.
patent: 4427975 (1984-01-01), Kinzie
patent: 4529970 (1985-07-01), Wyane
patent: 4529971 (1985-07-01), James

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