US Patent 7310490 Developing unit for an image forming apparatus
Patent 7310490 was granted and assigned to Samsung on December, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A developing unit for an image forming apparatus using a two-property developer that induces a magnetic attraction force based on the slope of a curved line representing the magnetism of each magnetic pole of a magnetic field generating part of a developing roller and determining a developer-regulating position where the changes of the magnetic attraction force are minor based on the magnetic attraction force in order to assure stable transfer of the developer to a photoconductive medium.
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US Patent 07310490 Developing unit for an image forming apparatus US Patent 7310490 Developing unit for an image forming apparatus
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Patent Number
0731049000
Patent Number
731049000
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073104900
Date of Patent
December 18, 2007
0Patent Application Number
111837740
Date Filed
July 19, 2005
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073104900
Date of Patent
December 18, 2007
0Patent Application Number
111837740
Date Filed
July 19, 2005
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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Edits on 23 Nov, 2021
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US Patent 07310490 Developing unit for an image forming apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07310490
Date of patent
December 18, 2007
Patent application number
11183774
Date Filed
July 19, 2005
Patent primary examiner
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