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:
Feb. 28, 2006

Filed:

May. 27, 2004
Applicant:

Duk Lee, Tokyo, JP;

Inventor:

Duk Lee, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 27/54 (2006.01); G03B 27/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical projection system irradiating a projection light on a work. This optical projection system includes a reflector provided with a first reflection surface and a second reflection surface which reflect the projection light and change a traveling direction of the projection light, an entrance lens which guides the projection light to the first reflection surface, a reflective optics which reflects the projection light reflected by the first reflection surface and guides the projection light to the second reflection surface, an exit lens which guides the projection light reflected by the second reflection to the work, and a position adjustor which supports coaxially the entrance lens and the exit lens so that the entrance lens is spaced a predetermined distance from the exit lens, and the reflector is positioned therebetween.


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