IMAGE FORMING DEVICE

PURPOSE: To obtain an image excellent in halftone reproducibility by obtaining grid bias correction amount in accordance with developing bias correction amount and correcting grid bias so that the change of halftone potential on the surface of a photoreceptor at the time of correcting the grid bias...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HATANAKA EISAKU, NAGAYAMA KATSUHIRO, NAOI HIROO, TOKUYAMA MITSURU, ITOYAMA MOTOYUKI, TAKEI YUICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	PURPOSE: To obtain an image excellent in halftone reproducibility by obtaining grid bias correction amount in accordance with developing bias correction amount and correcting grid bias so that the change of halftone potential on the surface of a photoreceptor at the time of correcting the grid bias is restrained. CONSTITUTION: In the case of correcting the grid bias of an electrifier 19, the grid bias correction amount is obtained based on a correction table previously stored, whereby the grid bias is corrected. The correction table stores a correction coefficient(