| 摘要 |
An image reader for a facsimile apparatus or like image processing apparatus of the type having a line image sensor. A plurality of serial connections of a photodiode and a switch are arranged in an array in the line image sensor and divided into a plurality of discrete blocks by each predetermined number. The output of each of the blocks is applied to an analog adder the output of which is delivered as an image signal. The analog adder replaces switching means adapted for switching actions so as to eliminate switching noise otherwise entailed by the switching actions.
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