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    • 7. 发明授权
    • Image reading apparatus and method for driving appropriate photoelectric
energy converting elements when first and second driving voltages are
applied simultaneously
    • 当同时施加第一和第二驱动电压时,用于驱动适当光电能量转换元件的图像读取装置和方法
    • US5572255A
    • 1996-11-05
    • US225063
    • 1994-04-08
    • Satoru MurakamiHiromi MaedaYoichi Hosokawa
    • Satoru MurakamiHiromi MaedaYoichi Hosokawa
    • H01L27/146H04N5/369H04N5/335
    • H01L27/14643H04N3/1581
    • 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.
    • 一种图像读取装置和方法,其中以一维阵列布置的多个光电能量转换元件每m个元件被划分成n个第一块B1,B2。 。 。 Bn中,驱动电压依次施加到第一块B1,B2中的m个光电能量转换元件的单元。 。 。 ,Bn,并读出光电能量转换元件的电信号。 将驱动电压依次施加到上述划分的n个第一块B1,B2的驱动侧。 。 。 ,Bn进一步被划分成每个x个第一块到y个第二块C1,C2。 。 。 ,Cy,并且被提供第一电压施加装置,其顺序地将第一驱动电压(D1,D2,...,Dy)施加到x个第一块B1,B2的单元。 。 。 ,Bx在第二块C1,C2,...中。 。 。 Cy是将第二驱动电压(E1,E2,...,Ex)顺序地施加到第一块B1,B2的第二电压施加装置。 。 。 ,Bx在相应的第二块C1,C2中相同的相对位置。 。 。 Cy和矩阵驱动器,当上述第一驱动电压和第二驱动电压同时施加到第一块B1时,施加驱动电压以驱动适当的第一块中的m个光电能转换元件10,12的单元, B2,。 。 。 ,Bn。