Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1978-09-13
1980-02-19
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358213, 357 24, 357 30, 307311, H04N 521, H04N 530, H01L 2978, H01L 2714
Patent
active
041897498
ABSTRACT:
A solid state image sensing device comprising a matrix-disposed photoelectric diodes 27+21, 27+21, . . . . on a monolithic substrate, wherein each one transferring switching means 24, . . . . and each one noise eliminating MOS switch 26, . . . . are provided for each vertical column of said matrix-disposed photoelectric transducing element, and the transferring switches 24, . . . . twice transfers information on a connecting line 22 of each column to a node point N.sub.ST during each horizontal fly-back period, so that the first one of said twice transferring transfers noise signal to the node points N.sub.ST for throwing it away, and the second one of said transferring transfers genuine light information of the photodiode 27, . . . to the node points N.sub.ST, . . . . for outputting the light information, whereby noises such as spurious noise, fixed pattern noise and blooming are eliminated and also scanning speed is improved.
REFERENCES:
patent: 3737683 (1973-06-01), Sangster
patent: 3856989 (1974-12-01), Weimer
patent: 4045817 (1977-08-01), Nakatani et al.
patent: 4067046 (1978-01-01), Nakatani et al.
patent: 4076986 (1978-02-01), Croisier et al.
patent: 4145721 (1979-03-01), Beaudouin et al.
Hiroshima Yoshimitsu
Murozono Izumi
Nakatani Hirokuni
Takamura Tooru
Griffin Robert L.
Matsushita Electronics Corporation
Psitos Aristotelis M.
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