Image pickup device and image pickup apparatus

Details Image pickup device and image pickup apparatus Image pickup device and image pickup apparatus

2011-01-11

2011-01-11

Ometz, David L (Department: 2622)

Television

Camera, system and detail

Solid-state image sensor

C348S362000, C348S230100

Reexamination Certificate

active

07868938

ABSTRACT:
An image pickup device having a photoelectric conversion unit having a plurality of photoelectric conversion elements arranged in a matrix pattern for converting exposed light into electric charges and accumulating the same and an electronic shutter function for controlling the exposure time for each frame including: a first reader for reading out electric charges exposed during a standard exposure time from respective pixels including the photoelectric conversion elements in the exposed area of the photoelectric conversion unit in a destructive read-out method; a second reader for reading out electric charges exposed during a short exposure time, which is an exposure time shorter than the standard exposure time, from the respective pixels including the photoelectric conversion elements during the same exposure period as the first reader in a nondestructive read-out method; and a saturation predictor for predicting whether or not the amounts of accumulated electric charges in the respective pixels being exposed during the standard exposure time are saturated on the basis of a non-standard exposure pixel data including the electric charges being exposed during the short exposure time, which are read out by the second reader.

REFERENCES:
patent: 5455621 (1995-10-01), Morimura
patent: 2008/0316347 (2008-12-01), Gamal et al.
patent: 2004-032583 (2004-01-01), None

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