Imaging system for a printing press

摘要

An imaging system (12) for a printing press (10) having an imaging cylinder (44) having a magnetically addressable outer surface (46), a magnetically permeable film (48), a device (50) for passing the film (48) over at least a portion of the outer surface (46) of the imaging cylinder (44), a device (52) for writing magnetic information through the film (48) onto the outer surface (46) of the imaging cylinder (44), a device (56) for passing a magnetic particulate material (58) onto the film (48) over the magnetic information on the cylinder (44) to form an image (80) of the particulate material (58) on the film (48), and a device (62) for bonding the particulate material (58) onto the film (48).