Exposure device with spatial light modulator and neutral...

Details Exposure device with spatial light modulator and neutral... Exposure device with spatial light modulator and neutral...

2007-11-06

2007-11-06

Lee, Diane (Department: 2851)

Photocopying

Projection printing and copying cameras

Illumination systems or details

C355S069000

Reexamination Certificate

active

10556876

ABSTRACT:
Exposure device for writing mixed data onto a photosensitive support comprising: a light source (10), supplying an exposure light; a first two-dimension pixel matrix modulator (50), and a neutral optical filter means (12) having at least two different optical densities, the modulator and the filter being arranged in series on an optical path of the exposure light coming from the source (10). Application to motion picture cameras.

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patent: 98/04957 (1998-02-01), None
patent: 01/13174 (2001-02-01), None

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