Side scanning bar code reader with vertical and horizontal scan

Details Side scanning bar code reader with vertical and horizontal scan Side scanning bar code reader with vertical and horizontal scan

1994-04-18

1996-03-12

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235467, G06K 710

Patent

active

054988624

ABSTRACT:
An optical bar code scanner has a laser for generating a coherent light beam, and a multifaceted rotatable mirror for scanning the beam. The scanned beam is reflected from at least three fixed mirrors. Two of these mirrors reflect the beam horizontally through a window in the scanner housing. Another mirror reflects the beam upwards, through a hologram, within the housing. The hologram converts the horizontal scanning pattern of this upwardly-reflected beam into a vertical scan pattern, directed horizontally through the window.

REFERENCES:
patent: 4591236 (1986-05-01), Broockman et al.
patent: 4652732 (1987-03-01), Nickl
patent: 4848862 (1989-07-01), Yamazaki et al.
patent: 5026975 (1991-06-01), Guber et al.
patent: 5073702 (1991-12-01), Schuhmacher
patent: 5266788 (1993-10-01), Yamazaki et al.

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