Apparatus and a method for illuminating a light-sensitive...

Details Apparatus and a method for illuminating a light-sensitive... Apparatus and a method for illuminating a light-sensitive...

2011-03-08

2011-03-08

Liang, Regina (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Optical means interposed in viewing path

C345S084000, C345S087000

Reexamination Certificate

active

07903049

ABSTRACT:
The invention relates to an illumination unit for point illumination of a medium comprising a plurality of light emitters in the form of light guides, which are arranged to illuminate at least one illumination face via a light valve arrangement, said light valve arrangement comprising a plurality of electrically controlled light valves, at least one of the light emitters (1) being arranged to illuminate a plurality of light valves.

REFERENCES:
patent: 3553364 (1971-01-01), Lee
patent: 4651148 (1987-03-01), Takeda et al.
patent: 4934773 (1990-06-01), Becker
patent: 5281960 (1994-01-01), Dwyer, III
patent: 5548349 (1996-08-01), Mizuguchi et al.
patent: 5765934 (1998-06-01), Okamori et al.
patent: 5868480 (1999-02-01), Zeinali
patent: WO 98/47048 (1998-10-01), None

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