Shallow bar code scanner

Details Shallow bar code scanner Shallow bar code scanner

1986-09-12

1989-01-17

Tolin, Gerald P.

Registers

Coded record sensors

Particular sensor structure

235470, 350 371, 350 62, G06K 710

Patent

active

047991640

ABSTRACT:
A compact counter-type bar code scanner produces a "five-apparent-source" scan geometry within an optimum scan volume above the deck of the bar code reader, with a total scanner housing height of less than 13 centimeters, and preferably about 11.5 centimeters. The optics are maximized to achieve approximately the same bar code reading efficiency and reliability as in previous much deeper bar code scanners producing similar scan geometry by reflecting the scanned beam off three surfaces, the last of which is horizontal.

REFERENCES:
patent: 3947816 (1976-03-01), Rabedeau
patent: 3978317 (1976-08-01), Yamaguchi et al.
patent: 4093865 (1978-06-01), Nicki
patent: 4431912 (1984-02-01), Dickson et al.
patent: 4647143 (1987-03-01), Yamazaki et al.
patent: 4713532 (1987-12-01), Knowles
Spectra-Physics Model 750F UPC/EAN Scanner, Service Manual.

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