Image reading apparatus and method for driving appropriate photo

Details Image reading apparatus and method for driving appropriate photo Image reading apparatus and method for driving appropriate photo

1994-04-08

1996-11-05

Mancuso, Joseph

Television

Camera, system and detail

Solid-state image sensor

348302, 2502081, H04N 5335

Patent

active

055722555

ABSTRACT:
An image reading apparatus and method in which a plurality of photoelectric energy converting elements disposed in a one-dimensional array is divided every m elements into n first blocks B.sub.1, B.sub.2, . . . , B.sub.n, driving voltages are applied sequentially to the units of m photoelectric energy converting elements in the first blocks B.sub.1, B.sub.2, . . . , B.sub.n, and the electrical signals of the photoelectric energy converting elements are read out. The drive side on which the driving voltage is sequentially applied to the above-mentioned divided n first blocks, B.sub.1, B.sub.2, . . . , B.sub.n is further divided every x first blocks into y second blocks C.sub.1, C.sub.2, . . . , C.sub.y, and are provided a first voltage application means which applies a first driving voltage (D1, D2, . . . , Dy) in sequence to the units of x first blocks B.sub.1, B.sub.2, . . . , B.sub.x in the second blocks C.sub.1, C.sub.2, . . . , C.sub.y, a second voltage application means which applies a second driving voltage (E1, E2, . . . , Ex) in sequence to the first blocks B.sub.1, B.sub.2, . . . , B.sub.x in the same relative positions in the respective second blocks C.sub.1, C.sub.2, . . . , C.sub.y and a matrix driver which applies the driving voltage to drive the units of m photoelectric energy converting elements 10, 12 in the appropriate first blocks when the above-mentioned first driving voltage and second driving voltage are applied simultaneously to the first blocks B.sub.1, B.sub.2, . . . , B.sub.n.

REFERENCES:
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patent: 5283669 (1994-02-01), Sakai et al.
patent: 5335092 (1994-08-01), Kitamura et al.

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