Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1991-09-05
1992-10-20
Razavi, Michael
Facsimile and static presentation processing
Facsimile
Recording apparatus
35821311, 35821313, H04N 5335
Patent
active
051575027
ABSTRACT:
A solid-state imaging apparatus functioning as an electronic shutter accumulates charge, is discharged during the horizontal blanking periods and provides charge accumulated since the last discharge as an image output signal in response to an image output pulse. When the level of the image output signal corresponds to a dark object, the charge accumulation time is controlled to be relatively long, so that a charge accumulation period timing resolution of one horizontal period is sufficient. When the level of the image output signal corresponds to a light object, the charge accumulation time is controlled to be relatively short with more accurate timing resolution than for a dark object by continuously controlling the discharge timing defining the start of the charge accumulation period.
REFERENCES:
patent: 4839734 (1989-06-01), Takemura
patent: 4843474 (1989-06-01), Suzuki
patent: 4851916 (1989-06-01), Pinson et al.
patent: 4881127 (1989-11-01), Isoguchi et al.
patent: 4984002 (1991-01-01), Kokubo
patent: 5031048 (1991-07-01), Naruto et al.
patent: 5057926 (1991-10-01), Watanabe
Kokubo Yuji
Nakajima Takatsugu
Frommer William S.
Ho Tuan V.
Razavi Michael
Sinderbrand Alvin
Sony Corporation
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