Patent ID: 8780245

Claim:
A solid-state image pickup element, comprising: a pixel portion having a plurality of pixels disposed in a matrix, at least one of said pixels comprising a photoelectric conversion element configured to convert an optical signal into an electrical signal and configured to accumulate therein the resulting electrical signal in accordance with an exposure period; and a pixel driving portion configured to control operations of said pixels in rows so as to carry out an electronic shutter operation and a reading operation of said pixel portion, and further configured to shorten a period of time for unnecessary output data, the unnecessary output data comprising data on an image for which the exposure period is not constant as a result of a mode change, wherein the mode change occurs during the exposure period, and the period of time for unnecessary output data is measured with a synchronous signal as a reference, wherein said pixel driving portion is configured to carry out resetting of electronic shutter addresses, for forcibly changing the electronic shutter addresses to an arbitrary start address when a first row or only a part of the electronic shutter addresses is accessed with the mode change as a trigger, wherein said pixel driving portion is configured to carry out the electronic shutter operation and the reading operation with the synchronous signal as the reference, and further configured to reset the electronic shutter addresses when the mode change occurs during the exposure period, thereby inhibiting the period of time for unnecessary output data from being generated.