Importance

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Abstract

An electronic still camera comprising a shutter release, a solid state imaging device on which an image of an object is focused through an optical system, a driver for driving the imaging device to derive an object picture signal, an analog-to-digital converter for converting this signal into a digital image signal, and a semiconductor memory card detachably loaded into the housing, for recording the digital image signal. The memory card has semiconductor memory chips mounted on a printed circuit board. The camera operates in a motion image display mode by half depression of the shutter release, and operates in a still image mode by full depression of the release. In the motion image display mode, the driver drives the imaging device on a real time basis to sequentially derive object picture signals and supplies them to an electronic view finder to display the object in the motion image mode. In the still image mode, a shutter pulse corresponding to the shutter time external set is generated. In response to this shutter pulse, the drive controls the charge storage time of the imaging device in accordance with the shutter time and drives the picture signal, which is stored during the charge storage time at a speed lower than the motion image mode, and is then recorded on the memory card.

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First Claim