Optical scanner for reading a barcode

Details Optical scanner for reading a barcode Optical scanner for reading a barcode

2006-01-03

2006-01-03

Kim, Ahshik (Department: 2876)

Registers

Coded record sensors

Particular sensor structure

C235S462320, C235S462350, C235S462360, C235S462370, C235S462380, C235S462400

Reexamination Certificate

active

06981643

ABSTRACT:
A barcode scanner includes at least a laser emitter, a collimator, a light condensing lens and a linear light receiver. When the scanning light beams from the laser emitter are projected onto a barcode through the collimator, a barcode signal is produced from the reflected image thereof focused onto the linear light receiver through the light condensing lens. The characteristics thereof are that at least one beam splitter and reflector are disposed at the projecting path of the scanning light beams from the laser emitter and the collimator to barcode, so as to enable the scanner to act as a multiple light sources structure, thereby distributing the scanning light beams more evenly with lower production cost and material.

REFERENCES:
patent: 4460120 (1984-07-01), Shepard et al.
patent: 4999482 (1991-03-01), Yang
patent: 5166820 (1992-11-01), Fujita
patent: 5796087 (1998-08-01), Hazama
patent: 5945670 (1999-08-01), Rudeen
patent: 6123261 (2000-09-01), Roustaei
patent: 6290135 (2001-09-01), Acosta et al.

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