| 摘要 |
A reader has a one-pass both-side reading function and comprises a selector which synthesizes in a dot sequential manner image signals from a CCD for reading a front face image and from a contact sensor for reading a rear face image, and transmits both-side image data in the same configuration as that of an I/F which transmits one-side image data. It transfers image information to a printer at high speed without being equipped with a high-capacity memory and without increasing the number of signal lines.
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