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US4831461A Sheet feed mechanism and method of controlling the same in light beam scanning apparatus 失效
供纸机构及其在光束扫描装置中的控制方法

Sheet feed mechanism and method of controlling the same in light beam
scanning apparatus
摘要:
A sheet feed mechanism in a light scanning apparatus includes two pairs of rollers for gripping and feeding a sheet-like medium such as a stimulable phosphor sheet or a photographic film in a subscanning direction. The two pairs of rollers are spaced a distance smaller than the length of the sheet-like medium in the subscanning direction. While the sheet-like medium is being fed by the sheet feed mechanism in the subscanning direction, the sheet-like medium is scanned by a light beam deflected in a main scanning direction substantially normal to the subscanning direction, for thereby two-dimensionally scanning the sheet-like medium.
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