Optics: image projectors – Image moves on screen – Reflector between lamp and screen
Reexamination Certificate
2008-01-23
2011-11-29
Legasse, Jr., Francis M (Department: 2878)
Optics: image projectors
Image moves on screen
Reflector between lamp and screen
C353S050000, C348S743000, C348S813000
Reexamination Certificate
active
08066385
ABSTRACT:
A lighting unit that optimizes an oscillation frequency for oscillating a diffusion device and its amplitude amount and a projecting display using the lighting unit are provided. Driving of a light source driving unit is controlled on the basis of driving of the oscillation driving unit.
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Ikeda Hidehiro
Kobori Tomoki
Murata Seiji
Ouchi Satoshi
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Legasse Jr. Francis M
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