Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1994-09-19
1996-05-14
Fuller, Benjamin R.
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347250, 347261, 347248, 347249, 347234, H04N 147
Patent
active
055172300
ABSTRACT:
A raster output scanner is capable of creating images at a wide range of selectable resolutions. A laser source for creating an image is modulated at a pixel clock rate. A clock command value is determined as a function of a value related to the pixel clock rate and a value related to a desired resolution in the fast-scan direction and a desired resolution in the slow-scan direction of an image to be created on the photosensitive surface. The pixel clock rate is controlled in response to the clock command value. A polygon command value is determined as a function of the value related to the pixel clock rate, a value related to a desired resolution in the fast-scan direction of an image to be created on the photosensitive surface, and a value related to a rotational velocity of the polygon mirror. The rotational velocity of the polygon mirror is controlled in response to the polygon command value.
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Appel James J.
Durbin John A.
Lofthus Robert M.
Nacman Aron
Fuller Benjamin R.
Gordon Raquel Y.
Hutter R.
Xerox Corporation
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