Electrophotographic apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 17, 2007
Grant Date -
May 19, 2005
app pub date -
Aug 13, 2004
filing date -
Sep 5, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
An image detector has an I/V converter for converting, into a voltage output., a current output as a result of a photoelectric element arranged in a traveling direction of an intermediate transfer belt having received light reflected from the intermediate transfer belt and light reflected from toner images formed on the intermediate transfer belt; a peak-hold unit for holding an output voltage into which the light reflected from the intermediate transfer belt has been converted by the I/V converter; and a computation unit for detecting a difference between the output voltage of the peak-hold unit and an output voltage into which the light reflected from the toner images of respective colors has been converted by the I/V converter.
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