Image setting apparatus is disclosed for producing two-dimensional image on photosensitive material. The apparatus includes a device for transporting the photosensitive material past an imaging line to provide a first dimension of the two-dimensional image, a controllable source of electromagnetic radiation...http://www.google.fr/patents/US4794405?utm_source=gb-gplus-shareBrevet US4794405 - Circuit for modulating a scanning beam in a text and graphics image setting apparatus
Circuit for modulating a scanning beam in a text and graphics image setting ...
