Exposure device for an electrophotographic apparatus
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United States of America Patent
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Mar 4, 2008
Grant Date -
Nov 18, 2004
app pub date -
May 3, 2004
filing date -
May 16, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An exposure device for an electrophotographic apparatus including one or more laser light sources which expose an image carrier in accordance with a print information signal supplied from an external information processing apparatus, a resolution switching lens, and a switching unit to switch over a low resolution and a high resolution by inserting and extracting the resolution switching lens into and from a laser optical path. Preferably, a light emission time of each of the laser light sources with respect to the print information signal is changeable.
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