Image sensor including a plurality of light-receiving arrays and

Details Image sensor including a plurality of light-receiving arrays and Image sensor including a plurality of light-receiving arrays and

1991-03-26

1992-11-03

Hannaher, Constantine

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

H01L 27146

Patent

active

051608367

ABSTRACT:
An image sensor including: a plurality of light-receiving element arrays; switching elements; first through third common connection lines; an electric charge storing unit; and a drive circuit. Each light-receiving element array extends in an auxiliary scanning direction and consists of a plurality of blocks. Each block extends in a main scanning direction and consists of a plurality of light-receiving elements. Each light-receiving element consists of a plurality of bits. Each switching element is connected to an output side of each of the light-receiving elements. Each first common connection line is commonly connected to the switching elements so that the switching elements can be driven simultaneously every block of each light-receiving element array. Each second common connection line is commonly connected to the output sides of the switching elements, each of which belongs to each light-receiving element array. Each third common connection line is commonly connected to the second common connection lines, which belong to each block. The electric charge storing unit stores electric charge transferred from the light-receiving elements by the switching elements. The drive circuit is connected to the output sides of the second common connection lines, which belong to an arbitrarily selected block. As a result of the above construction, the image signals can be read on a block basis with a single drive IC.

REFERENCES:
patent: 5060071 (1991-10-01), Ino
patent: 5070236 (1991-12-01), Miyake

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