Alarm system

Details Alarm system Alarm system

1992-10-09

1995-01-03

Swann, Glen

Communications: electrical

Condition responsive indicating system

Specific condition

340524, G08B 1314

Patent

active

053790235

ABSTRACT:
A strip (12) provides a plurality of alarm stations (16, 20) each associated with an article sensor (24) such as a microswitch. Each station (16, 20) functions independently of the others to activate a remote alarm unit (18) and has its own indicator light (50), to indicate which alarm station (16, 20) has been triggered. Resetting by a shorting plug at the alarm station (16, 20) illuminates a resetting indicator light (53) and the sensor (24) is then resettable during a short time period for which only the alarm station being reset is inoperative. All remaining alarm stations are fully operational throughout alarm and resetting at one alarm station.

REFERENCES:
patent: 3972039 (1976-07-01), Marshall
patent: 4616113 (1986-10-01), Jank et al.
patent: 5066942 (1991-11-01), Matsuo
patent: 5172098 (1992-12-01), Leyden et al.

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