Projector having a light intensity control unit for...

Details Projector having a light intensity control unit for... Projector having a light intensity control unit for...

2011-04-05

2011-04-05

Le, Que T (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controls its own optical systems

C250S208100

Reexamination Certificate

active

07919742

ABSTRACT:
A projector includes: an operation unit which receives operation by a user; a projection unit which projects light corresponding to an image signal; and a light intensity control unit which controls light intensity of the light projected by the projection unit. The light intensity control unit controls the light intensity in the order of reception of plural operations received by the operation unit from the user.

REFERENCES:
patent: 3477784 (1969-11-01), Jones
patent: 7300160 (2007-11-01), Nakamura
patent: 11-501419 (1999-02-01), None
patent: 2004-254145 (2004-09-01), None
patent: WO98-15127 (1998-04-01), None

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