Developing device
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United States of America Patent
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Jul 1, 2014
Grant Date -
Dec 16, 2010
app pub date -
Jun 7, 2010
filing date -
Jun 11, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A developing device includes a developer bearing member for bearing a developer so as to develop an electrostatic image, a restricting member for restricting the amount of developer born on the developer bearing member, a detector for detecting information on the amount of developer existing between the developer bearing member and the restricting member, and a controller which can change a value of a voltage to be applied to the restricting member during image formation based on a result detected by the detector.
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