An optical scanning and illumination arrangement is provided for a document reproduction machine which includes a plurality of linear motors to drive the moving scan/illumination carriages. Each linear motor is under the control of a digital control circuit which, in turn, is under the control of a supervising...http://www.google.fr/patents/US4585331?utm_source=gb-gplus-shareBrevet US4585331 - Optical scanning system utilizing linear drive motors
Optical scanning system utilizing linear drive motors