Line printhead device for nonimpact printer

An optical encoder monitors linear CCD elements as an edge of a perforation or other optical indicia passes along the elements. A line printhead is actauted at least one in response to each new element being activated. The device is particularly useful in a color nonimpact printer in which multiple...

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Bibliographic Details
Main Authors MARCELLETTI; JOHN P, BUCH; DONALD C
Format Patent
LanguageEnglish
Published 09.06.1992
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:An optical encoder monitors linear CCD elements as an edge of a perforation or other optical indicia passes along the elements. A line printhead is actauted at least one in response to each new element being activated. The device is particularly useful in a color nonimpact printer in which multiple images are superimposed by line printing, preferably at printheads at a plurality of locations, to create multicolor images.
Bibliography:Application Number: US19900562528