METHOD AND APPARATUS FOR DETERMINING TRIMMING IMAGE OF ORIGINAL FOR DUPLICATION BY OPTOELECTRONIC SCANNING THEREOF

摘要

Method and apparatus for determining the trimmed image of originals for reproduction with opto-electrical original scanning wherein a mask is produced before the actual original scanning and the mask includes clearance for receiving the original therein. The mask and original are adjusted with respect to the desired trimmed image and the angular position by placing it in a projection head of an apparatus for scale identification wherein the holder of the original can be removed from the projection head of the apparatus and hinged downwardly for performing these functions.