Solid-state image pickup device

Details Solid-state image pickup device Solid-state image pickup device

1995-12-15

1998-02-17

Faile, Andrew

Television

Camera, system and detail

Solid-state image sensor

377 80, 377 81, H04N 5335

Patent

active

057196265

ABSTRACT:
A solid-state image pickup device includes a plurality of pixels each having a light-receiving element and an amplification element, and a scanning circuit having a shift register constituted by connecting a plurality of circuit stages in tandem and capable of almost simultaneously setting outputs from the plurality of circuit stages in a predetermined logical state upon reception of a predetermined control signal. In the solid-state image pickup device, the outputs from the plurality of circuit stages are set in the predetermined logical state to select the plurality of pixels, and the charges in the light-receiving elements are reset while cutting off the amplification elements of the plurality of pixels selected. With this arrangement, an inrush current upon reset can be decreased.

REFERENCES:
patent: 4057741 (1977-11-01), Piguet
patent: 4809075 (1989-02-01), Akimoto et al.
patent: 4942474 (1990-07-01), Akimoto et al.
patent: 4975932 (1990-12-01), Matsushima et al.
patent: 5172249 (1992-12-01), Hashimoto
Mikio Kyomasu, "A new MOS Using Photodiode as Current Source"; IEEE Journal of Solid-State Circuits, vol. 26, No. 8, pp. 1116-1122.

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