Optical projection system

Details Optical projection system Optical projection system

2006-02-28

2006-02-28

Nguyen, Henry Hung (Department: 2851)

Photocopying

Projection printing and copying cameras

Illumination systems or details

C355S053000

Reexamination Certificate

active

07006197

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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patent: 5781346 (1998-07-01), Allen et al.
patent: 6717746 (2004-04-01), Epple et al.
patent: 10509561 (1995-09-01), None
patent: A-8-179217 (1996-07-01), None

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