Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1986-04-03
1987-08-11
Goldberg, E. A.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
358296, G01D 942, H04N 121
Patent
active
046865420
ABSTRACT:
A high speed, high resolution raster output scanner having a single source beam; a beam splitter for separating the beam into at least two separate and parallel writing beams; an acousto-optic modulator having a substrate sized to provide a separate modulating channel for each writing beam to pass through without intruding into the other modulating channels; an rf transducer for each writing beam for generating separate acoustic waves in each modulating channel of the substrate; a control circuit for simultaneously intensity modulating the writing beams by the rf output of all transducers in accordance with separate lines of image signals; and optical means for simultaneously projecting the intensity modulated writing beams at points two lines apart on a recording member, the optical means including a polygon for scanning the writing beams across the recording member so as to write plural image lines at once.
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W. Campbell & R. Owen; "Beam Splitter Intensities Are Preselected"; Applied Optics; vol. 20, No. 21, 11/1/81.
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Antos Ronald L.
Herloski Robert P.
Yip Kwok-leung
Goldberg E. A.
McMullen Frederick E.
Rewhart Mark
Xerox Corporation
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