IMAGE FORMING APPARATUS

When, in a state where a developer borne by a developer bearing member is sandwiched by an opposing portion of an image bearing member and the developer bearing member, C denotes capacitance between the image bearing member and the developer bearing member, ΔV denotes a development contrast, Q/S den...

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Bibliographische Detailangaben
Hauptverfasser:	Mochizuki, Masataka, Naito, Norihito, Shindo, Go
Format:	Patent
Sprache:	eng
Schlagworte:	CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	When, in a state where a developer borne by a developer bearing member is sandwiched by an opposing portion of an image bearing member and the developer bearing member, C denotes capacitance between the image bearing member and the developer bearing member, ΔV denotes a development contrast, Q/S denotes a charge amount per unit area of the developer borne by the developer bearing member, and Δv denotes a peripheral velocity ratio which is a ratio of a peripheral velocity of the developer bearing member to a peripheral velocity of the image bearing member, a first peripheral velocity ratio is set so that \|Q/S×Δv\|≤\|C×ΔV\| is satisfied, and a second peripheral velocity ratio which is larger than the first peripheral velocity ratio is set so that \|Q/S×Δv\|>\|C×ΔV\| is satisfied.