Solid state image pickup apparatus with shutter signal and overf

Details Solid state image pickup apparatus with shutter signal and overf Solid state image pickup apparatus with shutter signal and overf

1993-02-16

1994-03-29

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

348322, H01J 4014

Patent

active

052987345

ABSTRACT:
A solid-state image pickup apparatus employing a frame interline transfer type solid-state image sensor. The operation of a driving circuit is controlled by a controller in such a manner that image pickup charges produced by photosensitive elements are drained in a charge draining section at a drain timing during a vertical blanking period, and image pickup charges produced by the photosensitive elements in an image pickup unit after lapse of a predetermined light exposure period since the drain timing are transferred to a vertical transfer register so as to be transferred by high speed transfer from the image pickup unit to a storage unit during the next vertical blanking period so that the image pickup charges are read out line sequentially during the imaging period via horizontal transfer registers. The apparatus maintains a constant start timing of the effective light exposure period and produces video signals synchronized with external synchronization signals.

REFERENCES:
patent: 4633075 (1986-12-01), Sakai et al.
patent: 5027218 (1991-06-01), Ueda

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