Projection type image display apparatus and lighting circuit...

Details Projection type image display apparatus and lighting circuit... Projection type image display apparatus and lighting circuit...

2006-10-30

2009-10-20

Dowling, William C (Department: 2851)

Optics: image projectors

Color filter

C353S085000, C348S743000

Reexamination Certificate

active

07604356

ABSTRACT:
One color segment is selected from among a plurality of color segments. A lamp lighting circuit is controlled so that a lamp pulse is superimposed on a DC lamp current during a time period during which a light projected from a lamp transmits through the selected color segment.

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