Portable alarm system

Details Portable alarm system Portable alarm system

1994-09-09

1996-12-24

Mullen, Thomas

Communications: electrical

Condition responsive indicating system

Specific condition

340538, 340539, 340545, 340693, 379 44, G08B 1300

Patent

active

055877010

ABSTRACT:
A portable alarm system is disclosed in which the alarm functions are contained within a portable enclosure, communication is maintained between the enclosure and wireless security contacts placed at points of entry, and the alarm is capable of initiating a telephone call to a security monitor station either by conventional hard wired telephone lines within a building, or by cellular transmission, or via 800 MHz trunking.

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