An automatic article sorting apparatus sorts out articles by their sizes. The apparatus includes a conveyor mechanism for conveying the articles, and an image pickup unit for producing images of the articles as they are conveyed by the conveyor mechanism. An image memory stores the images of the articles...http://www.google.com.tw/patents/US4818380?utm_source=gb-gplus-share專利 US4818380 - Method and apparatus for sorting articles
