Solid-state imaging device with reset pulse selector

Details Solid-state imaging device with reset pulse selector Solid-state imaging device with reset pulse selector

1987-06-24

1988-08-16

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821326, H04N 314

Patent

active

047648147

ABSTRACT:
A solid-state imaging device is disclosed, which includes a CCD image sensor having a detection section formed on a substrate at its output stage. The detection section receives a signal charge transferred from a photosensitive cell section, and generates an image voltage signal corresponding to the signal charge. The detection section has an electrically floating semiconductor diffusion layer formed in the substrate. A packet of signal charges from each picture element cell is temporarily stored in the diffusion layer. A reset section is provided to the output stage of the image sensor. The reset section has a reset drain layer so formed in the substrate as to be located near the diffusion layer and a reset gate for controlling flow of charges between the diffusion layer and the reset drain layer. The reset control unit is connected to the reset gate. The reset control unit applies a normal reset pulse signal to the reset gate in a vertical effective period of the image sensor. In a vertical blanking period of the image sensor, the reset control unit applies a reset pulse signal having a phase opposite to that of the normal reset pulse signal to the reset gate.

REFERENCES:
patent: 4556851 (1985-12-01), Levine
patent: 4567525 (1986-01-01), Endo et al.
patent: 4644287 (1987-02-01), Levine
patent: 4677490 (1987-06-01), Levine
patent: 4680637 (1987-07-01), Sugiki
patent: 4689808 (1987-08-01), Moorman et al.
patent: 4698686 (1987-10-01), Endo et al.
patent: 4719512 (1988-01-01), Endo et al.

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