Combined optical and digital printer

A system comprises an optical, conventional printer device and digital printer in combination. The optical printer and the digital printer simultaneously cause exposure of a common area of photosensitive media 730. The digital printing part may comprise a light source 710, digital illumination assem...

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Bibliographische Detailangaben
1. Verfasser:	SUJATHA RAMANUJAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY CORRECTION OF TYPOGRAPHICAL ERRORS DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY FREQUENCY-CHANGING HOLOGRAPHY i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME LINING MACHINES NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PERFORMING OPERATIONS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION PRINTING SELECTIVE PRINTING MECHANISMS STAMPS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	A system comprises an optical, conventional printer device and digital printer in combination. The optical printer and the digital printer simultaneously cause exposure of a common area of photosensitive media 730. The digital printing part may comprise a light source 710, digital illumination assembly 711, polariser 712, spatial light modulator (SLM) 713, analyser 714 and relay lens 704. The other printer part may comprise illuminator 700, filter wheel 701, a film image to be printed 703 and lenses 702, 704. Digitally generated print images are combined with those from the optical printer by a recombiner 720, pass through a print lens 721 and are exposed on surface 730. Figure 8 shows an alternative embodiment using a single light source (800), divided using a beam splitter (801) and passed through the printer devices using mirrors (802, 803). The combined printer device may form part of a film scanning and printing device as shown in Figure 6, and may print colour images.