Antitheft system for sales areas

Safes – bank protection – or a related device – Combined – With alarm – signal or indicator

Patent

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Details

109 38, G08B 1300, E05G 110

Patent

active

040600408

ABSTRACT:
An antishoplifting system for premises in which goods are sold and in which signal transmitters are affixed to the articles of goods. Each of the transmitters has a continuously effective first signal emitter which cooperates with a detector at the entrance or exit of the premises to signal removal of an article with the transmitter thereon. In addition, each transmitter comprises a self-contained second signal emitter, which requires no external energy source and is activatable upon removal of the transmitter from the goods to emit a signal. Receivers on the premises detect this signal and produce an output indicating the location of the source thereof.

REFERENCES:
patent: 1049783 (1913-01-01), van Pee
patent: 1198581 (1916-09-01), Ritchel
patent: 2273440 (1942-02-01), Gould

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