Solid state image sensing device

Details Solid state image sensing device Solid state image sensing device

1995-06-29

1998-08-11

Faile, Andrew

Television

Camera, system and detail

Solid-state image sensor

348301, 348308, 348241, H04N 5335

Patent

active

057934231

ABSTRACT:
The present invention is directed to a solid state image sensing device of an amplifying type which can increase a switching speed during the horizontal scanning by making an output circuit low in impedance. In the output circuit of this amplifying type solid state image sensing device, the FET of source-follower configuration functions as a buffer and a horizontal gate switch. A first switching means is coupled between an output terminal of a capacitor connected to each vertical signal line and the gate electrode of the FET and a second switching means is coupled between the gate electrode of the FET and a reference potential point, respectively, whereby an output resistance and a load capacitance of the output circuit are reduced to enable the output circuit to become low in output impedance.

REFERENCES:
patent: 4809075 (1989-02-01), Akimoto et al.
patent: 4914519 (1990-04-01), Hashimoto et al.
patent: 4942474 (1990-07-01), Akimoto et al.
patent: 4967067 (1990-10-01), Hashimoto et al.
patent: 5134489 (1992-07-01), Sauer
patent: 5144447 (1992-09-01), Akimoto et al.
patent: 5187583 (1993-02-01), Hamasaki

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