IMAGING APPARATUS AND CONTROL METHOD FOR IMAGING DEVICE

PROBLEM TO BE SOLVED: To allow for acquisition of signals necessary for both dynamic range expansion and focus detection at higher operating frequencies using limited circuit resources.SOLUTION: An imaging apparatus includes: exposure control means controlling exposure; an imaging device including a...

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Bibliographische Detailangaben
Hauptverfasser: INAO KAZUYA, KATAGAWA HIROYASU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To allow for acquisition of signals necessary for both dynamic range expansion and focus detection at higher operating frequencies using limited circuit resources.SOLUTION: An imaging apparatus includes: exposure control means controlling exposure; an imaging device including a plurality of photoelectric conversion units for each of a plurality of micro-lenses; and control means controlling the imaging device so that the imaging device reads an image signal of a plurality of images from the imaging device at a plurality of different exposures and reads a signal for focus detection from a part of the plurality of photoelectric conversion units at any one of the plurality of exposures.SELECTED DRAWING: Figure 1 【課題】 ダイナミックレンジの拡大及び焦点検出の両方に必要な信号を、限られた回路資源を用いて、より高い動作周波数で取得できるようにすること。【解決手段】 露出を制御する露出制御手段と、複数のマイクロレンズそれぞれに対して複数の光電変換部を備える撮像素子と、前記撮像素子から、複数の異なる露出で複数の画像の画像信号を読み出すとともに、前記複数の露出のいずれかの露出で前記複数の光電変換部の一部から焦点検出用信号を読み出すように、前記撮像素子を制御する制御手段と、を有する。【選択図】 図1