The image recording method and apparatus focus or image a two-dimensional image formed by a group of two-dimensionally disposed light source elements through an optical system on a recording medium which is moving in a relative relation to the group two-dimensionally disposed light source elements. The...http://www.google.com.hk/patents/US6590632?utm_source=gb-gplus-share專利 US6590632 - Image recording method and image recording apparatus