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US 9,319,614 B2Granted
Image pickup device with a group of focus detection pixels associated with a dedicated readout circuit and image pickup apparatus including the image pickup device
AssigneeOlympus Corporation
InventorYoshinao Shimada
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Abstract
Provided is an image pickup device including: an image pickup pixel group including a plurality of pixels arrayed in a matrix; a focus detection pixel group of focus detection pixels discretely arranged in the image pickup pixel group; a first readout circuit including a first AD converter that converts only pixel signals from the image pickup pixel group to digital signals; and a second readout circuit including a second AD converter that converts only pixel signals R, L, T and B from the focus detection pixel group to digital signals.
Claims9
An image pickup device comprising:
- an image pickup pixel group including a plurality of pixels arrayed in a row direction and a column direction;
- a focus detection pixel group of focus detection pixels discretely arranged in the image pickup pixel group;
- a first readout circuit including a first AD converter provided for converting only signals from pixels belonging to the image pickup pixel group to digital signals;
- and
- a second readout circuit including a second AD converter provided for converting only signals from pixels belonging to the focus detection pixel group to digital signals, the second AD converter being different from the first AD converter.
2 more elements
Dependencies are inferred from the claim text.