Hologram scanner

Details Hologram scanner Hologram scanner

1982-06-21

1985-09-10

Corbin, John K.

350 62, G42B 532

Patent

active

045402477

ABSTRACT:
A hologram scanner includes a rotatable hologram disk on which a plurality of hologram lenses are arranged circumferentially, and a light beam guide mechanism for successively shifting irradiation regions in a predetermined direction with respect to the direction of rotation of the hologram disk, to apply a light beam successively to the hologram lenses on the hologram disk, so that the scanning of a reading window with the light beam is effected in all directions with high density. The hologram scanner is employable as a bar code reading device in a POS or UPC system.

REFERENCES:
patent: 3619033 (1971-11-01), McMahon
patent: 4165464 (1979-08-01), Ikeda et al.

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