Method and system for driving a solid-state imaging device

Details Method and system for driving a solid-state imaging device Method and system for driving a solid-state imaging device

1991-02-26

1992-08-25

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

25023116, H01J 4014

Patent

active

051421364

ABSTRACT:
A method and system is provided for driving a charge-coupled solid-state interline imaging device which removes smear components and dark current to prevent flicker in the imaging device. The drive method and apparatus controls the drive signals so that the transfer elements of the imaging device are uniform while an optical image is being exposed. Also, a dummy scanning transfer operation is performed to the vertical and horizontal charge transfer paths after the exposure. Furthermore, the potential levels of the vertical charge transfer paths may be set to an equal level. As a result, the smear components on the vertical charge transfer paths are uniform so that the flicker in the reproduced optical image is significantly reduced.

REFERENCES:
patent: 4740824 (1988-04-01), Yano et al.
patent: 5019702 (1991-05-01), Ohzu et al.

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