Label alarm system

Communications: electrical – Systems – Call station

Patent

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Details

174 685, 174117A, G08B 1308, G08B 2100

Patent

active

040004880

ABSTRACT:
An anti-theft alarm system comprising an electric circuit including a signal device and electrical components in said circuit adapted to be attached to an article of merchandise and which are readily destructible to interrupt the circuit and actuate the signal device.

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patent: 3740742 (1973-06-01), Thompson et al.
patent: 3742480 (1973-06-01), Hoecker
patent: 3755803 (1973-08-01), Cole et al.
patent: 3757087 (1973-09-01), Bernard
patent: 3851326 (1974-11-01), Costa

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