Hand scanner for reading bar codes and deactivating article surv

Details Hand scanner for reading bar codes and deactivating article surv Hand scanner for reading bar codes and deactivating article surv

1991-03-18

1993-02-16

Shepperd, John W.

Registers

Coded record sensors

Particular sensor structure

335284, 340572, G06K 710, H01F 1300

Patent

active

051873540

ABSTRACT:
A hand scanner intended for optically reading a bar code on an item of goods and therewith produce an electric signal which corresponds to the read bar code. The invention is characterized in that the hand scanner (1) is provided with one or more permanent magnets (3, 4) in the vicinity of its optical bar-code reading device.

REFERENCES:
patent: 4499444 (1985-02-01), Heltemes et al.
patent: 4743890 (1988-05-01), Hilzinger et al.
patent: 4818847 (1989-04-01), Hara et al.
patent: 4929928 (1990-05-01), Hult.ang.ker
patent: 5059951 (1991-10-01), Kaltner

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