Light scanning apparatus and imaging apparatus

Details Light scanning apparatus and imaging apparatus Light scanning apparatus and imaging apparatus

2005-08-18

2008-03-04

Thompson, Tim (Department: 2873)

Optical: systems and elements

Lens

With reflecting element

C359S727000, C355S053000

Reexamination Certificate

active

07339753

ABSTRACT:
In a light scanning apparatus including an optical system including a beam deflection means therein and a one-dimensional light modulation device, the one-dimensional light modulation device is disposed on the object side of the optical system, and the beam deflection means is disposed at a diaphragm position. In the optical system, a positive-power former group and a positive-power latter group are arranged, and a one-dimensional image obtained through light modulation by the one-dimensional light modulation device is scanned by the beam deflection means, to thereby form a two-dimensional image on an image plane of the optical system. In application to a projector apparatus or the like, the two-dimensional image can be enlargedly projected by a projecting optical system.

REFERENCES:
patent: 7116455 (2006-10-01), Yamaoka
patent: 2002/0164157 (2002-11-01), Hori et al.
patent: 2004/0145792 (2004-07-01), Maeyama et al.

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