A novel method and apparatus for the imaging of a continuous web on an internal drum type imaging device is disclosed. The method and apparatus may further be included in a process to produce punched, imaged sheets. A web is punched with registration holes and imaged in an internal drum-type imager prior...http://www.google.com.hk/patents/US5865118?utm_source=gb-gplus-share專利 US5865118 - Method and apparatus for punching and imaging a continuous web
