Dual aperture optical scanner

Details Dual aperture optical scanner Dual aperture optical scanner

1991-09-30

1993-07-20

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

235383, 235462, G06K 710

Patent

active

052295885

ABSTRACT:
A dual aperture optical scanner which employs a single laser beam to produce horizontal and vertical scan patterns. The optical scanner includes a housing having first and second apertures, a laser beam source, a mirrored spinner having a plurality of facets with different elevation angles for reflecting the laser beam in a plurality of directions, and a plurality of pattern mirrors within the housing for reflecting the laser beam from the spinner through the first and second apertures to an article having a bar code label to be scanned. The optical scanner also includes an optical transceiver for passing the laser beam and for collecting reflected light from the scanned article and a photodetector for generating signals representing the intensity of the light reflected from the article.

REFERENCES:
patent: 4652732 (1987-03-01), Nickl
patent: 4939355 (1990-07-01), Rando et al.
patent: 5019694 (1991-05-01), Collins, Jr.

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