Exposure control apparatus including a spatial light modulator

Details Exposure control apparatus including a spatial light modulator Exposure control apparatus including a spatial light modulator

1995-03-10

1996-08-13

Greening, Wendy

Television

Camera, system and detail

Optics

348207, 359224, H04N 5232

Patent

active

055461280

ABSTRACT:
An exposure control apparatus has a lens, a photoelectric conversion device, and a spatial light modulator. The spatial light modulator varies the amount of light received from the lens and reflected to the photoelectric conversion device. A control unit controls the spatial light modulator, and thus the exposure of the image focused on the lens, based on output from the photoelectric conversion device.

REFERENCES:
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patent: 4099172 (1978-07-01), Montanari et al.
patent: 4662746 (1987-05-01), Hornbeck
patent: 5084756 (1992-01-01), Muehlhausen
patent: 5101275 (1992-03-01), Wijnen
patent: 5146073 (1992-09-01), Wirth et al.
patent: 5170156 (1992-12-01), DeMond et al.
patent: 5212555 (1993-05-01), Stoltz
patent: 5369433 (1994-11-01), Baldwin et al.
patent: 5418546 (1995-05-01), Nakagakiuchi et al.

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