Solid-state logarithmic image sensing device

Details Solid-state logarithmic image sensing device Solid-state logarithmic image sensing device

2006-02-14

2006-02-14

Ho, Tuan (Department: 2615)

Television

Camera, system and detail

Solid-state image sensor

C348S207990, C348S301000, C250S208100

Reexamination Certificate

active

06999122

ABSTRACT:
In a solid-state image-sensing device, after completion of image sensing by individual pixels, in each pixel, a signal φVRB fed to a capacitor C1connected to the gate of a first MOS transistor T1is turned to a high level to make it easy for a negative electric charge to flow into the MOS transistor T1. This permits quick recombination of the positive electric charges accumulated at the drain and gate of the MOS transistor T1, at the gate of a MOS transistor T2, at the anode of a photodiode, and in a capacitor C2, and thereby makes quick resetting possible.

REFERENCES:
patent: 4973833 (1990-11-01), Takada et al.
patent: 5241575 (1993-08-01), Miyatake et al.
patent: 5363000 (1994-11-01), Miyatake et al.

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