Driving method for driving a solid state image pick-up device

Details Driving method for driving a solid state image pick-up device Driving method for driving a solid state image pick-up device

1996-08-19

1998-03-17

Garber, Wendy

Television

Camera, system and detail

Combined image signal generator and general image signal...

348314, H04N 5335

Patent

active

057292876

ABSTRACT:
In a solid state image pick-up device having a vertical overflow drain structure, a voltage to be applied to a semiconductor substrate is lowered in stepwise manner during a period, in which a charge photoelectrically converted by a photodiode is accumulated in the photodiode. Expansion of a dynamic range relative to an incident light intensity can be realized without performing high speed transfer in a vertical CCD register. Then, lowering power consumption and lowering of noise of the solid state image pick-up device becomes possible.

REFERENCES:
patent: 4626915 (1986-12-01), Takatsu
patent: 5339162 (1994-08-01), Tani
patent: 5382978 (1995-01-01), Tanaka
"A Photoelectric Conversion-Characteristic Control Method for Interline Transfer CCD Imager", Endo et al., IEEE Transactions on Electron Devices, vol. ED-32, No. 8, Aug. 1985, pp. 1511-1513.

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