Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1991-12-20
1993-07-13
Razavi, Michael T.
Facsimile and static presentation processing
Facsimile
Recording apparatus
35821328, 35821311, 35821326, H04N 314, H04N 5335
Patent
active
052278875
ABSTRACT:
An image sensing device uses photodiodes arranged in a matrix. Each photodiode is connected to one of p serially-coupled input gate and transfer gate combinations, were p is an integer greater than or equal to 2. Channel terminals of the p transfer gates are commonly-coupled to a serially-coupled storage gate and output switch combination. The serially-coupled storage gate and output switch combination and its associated p input gate and transfer gate combinations can be repeatedly provided in rows and columns, and addressed so that pixels determined by the photodiodes can be serially output from the image sensing device. Among other advantages, by using serially-coupled input gate and transfer gate combinations, the area provided for a storage gate can be increased so that the sensitivity, dynamic range and/or signal-to-noise ratio is increased relative to conventional devices.
REFERENCES:
patent: 4081841 (1978-03-01), Ochi et al.
patent: 4805026 (1989-02-01), Oda
patent: 4816916 (1989-03-01), Akiyama
patent: 4928158 (1990-05-01), Kimata
Awamoto Kenji
Dohi Masaji
Ito Yuichiro
Kubo Kazuya
Fujitsu Limited
Greening Wendy R.
Razavi Michael T.
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