Composite lens for a hand-held bar code label reader

Details Composite lens for a hand-held bar code label reader Composite lens for a hand-held bar code label reader

1988-12-15

1990-06-19

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

235467, G06K 710

Patent

active

049356097

ABSTRACT:
A hand-held bar code reader includes a source of scanning laser beams for scanning a coded label, a detector for detecting the light reflected from the coded label and a single piece composite optical lens structure. The lens structure has a first portion receiving the laser beams for reversing the direction of the laser beams. A second portion for focusing the laser beams on a rotating member which generates scanning beams for use in the scanning of the coded label and a third portion for collecting the light reflected from the coded label for focusing the reflected light on the detector.

REFERENCES:
patent: 4346292 (1982-08-01), Routt, Jr. et al.
patent: 4496831 (1985-01-01), Swartz et al.
patent: 4575625 (1986-03-01), Knowles
patent: 4675531 (1987-06-01), Clark et al.
patent: 4678288 (1987-07-01), Lonsdale et al.
patent: 4694182 (1987-09-01), Howard
patent: 4704519 (1987-11-01), Kulikauskas

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