The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 18, 2011

Filed:

Jul. 28, 2008
Applicants:

Seong-taek Lim, Suwon-si, KR;

Soon-cheol Kweon, Seoul, KR;

Seung-jin OH, Atsugi, JP;

Ki-hwan Kwon, Hwaseong, KR;

Inventors:

Seong-taek Lim, Suwon-si, KR;

Soon-cheol Kweon, Seoul, KR;

Seung-jin Oh, Atsugi, JP;

Ki-hwan Kwon, Hwaseong, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/41 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image bearing structure includes an image drum including at least one slot, a plurality of ring electrodes formed on an outer circumference of the image drum, and a control board positioned within the slot of the image drum, and connected to the plurality of ring electrodes, to detect a defect of the ring electrodes. As a result, the image bearing structure detects a defect within a short time and without requiring a separate detecting device.


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