In a facsimile system capable of performing the read scanning, record scanning and transmission processing of image element data line by line, a buffer apparatus on the transmission side stores therein the image element data obtained from a scanner in units of two lines and a buffer apparatus on the...http://www.google.com.tw/patents/US4237494?utm_source=gb-gplus-share專利 US4237494 - Facsimile system
