Electrical resistors – Resistance value responsive to a condition – Photoconductive
Patent
1985-07-26
1988-11-29
Goldberg, E. A.
Electrical resistors
Resistance value responsive to a condition
Photoconductive
358212, H01L 3108
Patent
active
047885220
ABSTRACT:
An image sensing device includes a plurality of photoelectric elements arranged in the form of a single array and divided into n number of blocks each of which includes m number of the photoelectric elements commonly connected at one end. In one form of the present invention, a single operational amplifier and m number of switching circuits are used to establish operational independency of the m.times.n photoelectric elements. In other forms, operational independecy of the m.times.n photoelectric elements is established by using an array of blocking diodes or operational amplifiers constructed in the form of IC, but all of the components of a driving or scanning circuit, including these blocking diodes or operational amplifiers, are so structured to be mounted on the same substrate which is remarkably compact in size. Also provided are various forms of photoelectric cells which are particularly suited to be incorporated into an image sensing device and methods for manufacturing the same.
REFERENCES:
Komiya et al., "A 2048-Element Contact Type Linear Image Sensor for Facsimile", 1981 IEEE IEDM-81, pp. 309-12.
Ishiwata Tatsumi
Itagaki Masanori
Mori Kouji
Yoshida Taizo
Goldberg E. A.
Lateef M. M.
Ricoh & Company, Ltd.
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