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23 May 1989 Exposure Control System Using A Frame Interline Transfer CCD Imager
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A high precision exposure control system using a frame interline transfer (FIT) CCD image sensor and a compact aperture mechanism is proposed for consumer still video cameras. In this system, an electronic shutter, which is a feature of the FIT CCD image sensor, is used instead of a mechanical shutter. This electronic shutter can be used with flash. The aperture mechanism is constructed of three different size apertures and two solenoids for aperture selection. The experimental results show that the exposure error of the entire system is 0.15 EV or less.
© (1989) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Takayama and Seiichi Isoguchi "Exposure Control System Using A Frame Interline Transfer CCD Imager", Proc. SPIE 1071, Optical Sensors and Electronic Photography, (23 May 1989);


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