Light source drive device, optical scanning device and image forming apparatus
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United States of America Patent
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Oct 6, 2015
Grant Date -
Nov 22, 2012
app pub date -
May 16, 2012
filing date -
May 20, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A light source drive device includes a first current source which provides a predetermined current to a light source corresponding to a predetermined light output, and a second current source which provides an overshoot current to the light source synchronized with the predetermined current. A processor is configured to set an overshoot time during which the overshoot current is provided to the light source. Further, an overshoot current is set which is applied to the light source. The overshoot time is set so that the overshoot time based on the rising of the predetermined current to when a light emission of the light source is detected.
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