The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 17, 1996

Filed:

Feb. 02, 1995
Applicant:
Inventors:

Shinji Iwanami, Suwa, JP;

Katsura Noike, Suwa, JP;

Yoshitaka Tanaka, Suwa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
235472 ; 235462 ;
Abstract

An apparatus comprises a housing having a window surrounded by an opening edge; a light source arranged in the housing; a total reflection mirror arranged in the housing; and a diffusion reflection mirror for reflecting part of light emitted from the light source toward the window and at the same time reflecting another part of the light emitted from the light source toward the total reflection mirror, wherein light reflected by the total reflection mirror is guided to the window, thereby a target object can be uniformly and brightly irradiated, and good image information can be obtained.


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