Laser beam label reader head

Details Laser beam label reader head Laser beam label reader head

1975-09-23

1977-04-19

Kilcore, Robert M.

Registers

Calculators

Input-output calculator to indicator, printer, etc.

3401463Z, 350 35, G06K 714, G02B 508, G06K 910

Patent

active

040190269

ABSTRACT:
A laser beam label reader head of single common axis type wherein light reflection coming from a laser-irradiated label along the axis of a scanning laser beam is diverted by an apertured mirror toward a photoelectric converter. The photoelectric converter is provided with means for removing and blocking incident general light coming from sources other than the laser-irradiated label to preclude influences by ambient light and improve S/N ratio.

REFERENCES:
patent: 3417231 (1968-12-01), Stites
patent: 3708655 (1973-01-01), Schanne
patent: 3744026 (1973-07-01), Wolff
patent: 3796863 (1974-03-01), Nicki
patent: 3812374 (1974-05-01), Tuhro

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