Optical information reader and method of reading optical...

Details Optical information reader and method of reading optical... Optical information reader and method of reading optical...

2004-08-19

2008-11-11

Lee, Seung H (Department: 2887)

Registers

Coded record sensors

Particular sensor structure

C235S439000, C235S459000, C235S462320, C235S472010

Reexamination Certificate

active

07448549

ABSTRACT:
In an optical information reader for optically reading a target based on a light reflected from the target, a translucent optical member is located on an optical axis of an imaging lens and is rotatable around a rotation axis. The rotation axis is substantially orthogonal to the optical axis. The translucent optical member is fixable at least first and second predetermined positions. When the translucent optical member is fixed at the first predetermined position, the translucent optical member has a first thickness through which the optical axis is penetrated, and when the translucent optical member is temporally fixed at the second predetermined position, the translucent optical member has a second thickness through which the optical axis is penetrated. The first thickness and second thickness are different from each other.

REFERENCES:
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patent: 6431452 (2002-08-01), Feng
patent: 0 406 907 (1991-01-01), None
patent: A-H03-98181 (1991-04-01), None
patent: A-H04-126446 (1992-04-01), None
patent: 10-247215 (1998-09-01), None
patent: A-2003-507778 (2000-03-01), None
First Office Action issued from Chinese Patent Office issued on Dec. 12, 2005 for the corresponding Chinese patent application No. 2004100576421 (a copy and English translation thereof).
Office Communication issued from Japan Patent Office dated Sep. 25, 2007 for related Japanese Patent application No. 2003-296331 (English translation enclosed.).

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