Optical scanner having a plurality of scanning systems

Details Optical scanner having a plurality of scanning systems Optical scanner having a plurality of scanning systems

1996-07-29

1997-12-02

Hajec, Donald T.

Registers

Coded record sensors

Particular sensor structure

235462, 235470, G06K 710

Patent

active

056939302

ABSTRACT:
An optical scanner for optically scanning a bar code includes a housing having a window formed on a selected surface thereof, a first scanning system, housed in the housing, for emitting a first scanning beam from the housing through the window and a second scanning system, housed in the housing, for emitting a second scanning beam from the housing through the window. The first scanning beam moves in a first scanning pattern and the second scanning beam moves in a second scanning pattern which is different from the first scanning pattern. Additionally, the second scanning pattern may be used for scanning a bar code having a selected special form.

REFERENCES:
patent: 4652732 (1987-03-01), Nickl
patent: 5073702 (1991-12-01), Schuhmacher
patent: 5175421 (1992-12-01), Harris
patent: 5206491 (1993-04-01), Katoh et al.
patent: 5223700 (1993-06-01), Takenaka
patent: 5229588 (1993-07-01), Detwiler
patent: 5268565 (1993-12-01), Katoh et al.
patent: 5293033 (1994-03-01), Yamashita
patent: 5314631 (1994-05-01), Katoh et al.

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