Composite light based adjustment

Optical: systems and elements – Projection screen

Reexamination Certificate

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Details

C359S900000, C353S079000

Reexamination Certificate

active

07457035

ABSTRACT:
Embodiments of sensing light are disclosed.

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patent: 7185987 (2007-03-01), Tamura
patent: 2003/0179192 (2003-09-01), Allen et al.
patent: 2004/0021939 (2004-02-01), Kobayashi
patent: 2004/0196250 (2004-10-01), Mehrotra et al.

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