Photosensor with frame transfer structure and its use in an imag

Details Photosensor with frame transfer structure and its use in an imag Photosensor with frame transfer structure and its use in an imag

1988-05-24

1989-08-29

Ng, Jin F.

Facsimile and static presentation processing

Facsimile

Recording apparatus

35821319, 35821331, 357 24, H04N 314

Patent

active

048622745

ABSTRACT:
In a photosensor with a frame transfer structure, each pixel constituting the matrix of photosensitive points is provided with a pulse-controlled MOS transistor. At the end of the frame transfer the TMOS is controlled through the electrodes, V.sub.DA and V.sub.GA, to eliminate residual charges which are present in the photosensitive zone and which are due to the transfer of empty stages corresponding to the dark zones of the image in the stages under the illuminated zones.

REFERENCES:
patent: 4032976 (1977-06-01), Levine
patent: 4040092 (1977-02-01), Carnes
patent: 4593303 (1986-06-01), Dyck et al.
patent: 4654683 (1987-03-01), Anagnostopoulos et al.
patent: 4717945 (1988-01-01), Yusa et al.
patent: 4760435 (1988-07-01), Burt
patent: 4782394 (1988-11-01), Hieda

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