Optics: image projectors – Light shield – mask – hood – or diaphragm
Reexamination Certificate
2008-03-25
2008-03-25
Sever, Andrew T (Department: 2851)
Optics: image projectors
Light shield, mask, hood, or diaphragm
C353S100000, C359S738000
Reexamination Certificate
active
07347569
ABSTRACT:
The present invention provides a correcting apparatus for correcting images projected from a projection system. The correcting apparatus includes a correcting module and a projection lens. The correcting module shields a light signal for producing a corrected light signal. The projection lens receives the corrected light signal for producing an image light signal. The correcting module is disposed on a first outer circumference at one end of the projection lens.
REFERENCES:
patent: 5537166 (1996-07-01), Keelan et al.
patent: 7234821 (2007-06-01), Wang
patent: 2004/0080723 (2004-04-01), Inamoto
patent: 2005/0018150 (2005-01-01), Kamijima et al.
patent: 2006/0092496 (2006-05-01), Chen et al.
Chen Shou-Chih
Cheng Chuan-Te
Huang Hung-Chieh
Lee Sea-Huang
Wang Sze-Ke
Bacon & Thomas PLLC
Coretronic Corp.
Sever Andrew T
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