| 摘要 |
The image reading apparatus is providing with an optical unit 1 that illuminates the stimulable phosphor plate P with excitation light L 1 from the light source while scanning it and reads the image information by condensing the photo-stimulated luminescence light emitted from the stimulable phosphor plate P and carrying out photoelectric conversion of this light, and a linear motor 7 that moves the stimulable phosphor plate P. In addition, it is provided with connecting means 6 and 61 that travel along with the stimulable phosphor plate P, a rotating device 92 and 93 that rotates due to the movement of the stimulable phosphor plate P transmitted via the connecting means 6 and 61 , a rotation detecting device 5 that detects the rotational speed of the rotating device 92 and 93 , and a speed control section 100 that controls the linear motor 7 by comparing the result of detection by the rotation detecting device 5 with a previously determined set speed.
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