Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1985-04-02
1987-03-17
Goldberg, E. A.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
355 56, 358293, G01D 942
Patent
active
046511695
ABSTRACT:
A multi-format laser printer is disclosed which uses a constantly rotating polygon to line scan an intensity modulated beam of laser light across an image zone. Optical means, which include a cylindrical mirror are provided for causing first and second beam spot sizes to be in focus at the image zone. The first beam spot size is selected to be in focus for a first range of line scan lengths and the second beam spot size is selected to be in focus for at least one predetermined line scan length not in such range. The line scan length in the first range is adjusted by changing the periodicity of modulation of the laser beam. The velocity of the photosensitive member is adjusted to change the length of the output image in the page scan direction.
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Eastman Kodak Company
Goldberg E. A.
Owens Raymond L.
Reinhart Mark
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