| 摘要 |
PROBLEM TO BE SOLVED: To control the light quantity of a photographing device according to the transportation speed of a document with the opening degree of a slit even when the reading rate of the document is changed. SOLUTION: The image reading photographing device 1 is provided with a document transportation part to transport a document 7, image reading units 21 and 22 to read the image of the document transported by the document transportation part, an operation panel to select the image reading resolution of the image reading units 21 and 22, a microfilming part 27 which has exposure control slits 38 and 39 to control exposure with the opening degree of the slit and slit plates 51 and 52, and photographs the document transported by the document transportation part, and a control circuit 60 which operates and controls the document transportation part and the slit plates 51 and 52 on the basis of the resolution selected by the operation panel, and controls the transportation speed and the exposure of the document. |
