Developing apparatus and electrostatic recording apparatus using the same
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United States of America Patent
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Jan 23, 2007
Grant Date -
Jun 9, 2005
app pub date -
Nov 18, 2004
filing date -
Nov 20, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A developing apparatus characterized in being constituted to satisfy Equation (1) shown below when an amount of a developer carried by 1 pitch of a carrying member of an auger or the like is designated by notation W(g), a toner amount supplied by 1 pitch during a time period in which the developer carried by 1 pitch passes a supply region of a toner supply roller is designated by notation M(g), a toner concentration of the developer detected by a toner concentration sensor is designated by notation Tc (%), and a mixing limit toner concentration is designated by notation Tmax (%) (W.times.(Tc/100)+M)/(W+M).ltoreq.Tmax/100. (1)
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