Arrangement for activating and/or deactivating a marker strip ha

Details Arrangement for activating and/or deactivating a marker strip ha Arrangement for activating and/or deactivating a marker strip ha

1983-11-30

1986-03-11

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235493, G06K 708

Patent

active

045756244

ABSTRACT:
A portable device for deactivating and/or activating a magnetizable layer forming part of a marker strip of an antishoplifting system. The device includes an electro-optical reading head for reading specially coded indicia on the marker strip and an A.C. current electro-magnetic coil for producing a magnetic field to deactivate or activate the magnetizable layer of the marker strip. The electro-optical reading head and electro-magnetic coil are mounted in a common portable housing and are connected to a cashier's register.

REFERENCES:
patent: 3869700 (1975-03-01), Cook
patent: 3929278 (1975-12-01), Balavoine
patent: 4056712 (1977-11-01), Trenkamp
patent: 4090662 (1978-05-01), Fayling
patent: 4304992 (1981-12-01), Kobayashi

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