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.
Patent No.:
Date of Patent:
Sep. 11, 2012
Filed:
Sep. 18, 2009
Masataka Maeda, Aichi, JP;
Masataka Maeda, Aichi, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
A developer carrying device is provided with a group of carrying electrodes configured to form a traveling wave field as voltages are sequentially applied thereto, charged developer being carried by an effect of the traveling wave field, a developer carrying member having a surface on which the group of carrying electrodes are arranged, and a plurality of leveling electrodes provided above the surface and configured to form electric fields in a direction substantially along the surface, the plurality of leveling electrodes being needle like electrodes extending in a direction intersecting with the surface, the plurality of leveling electrodes being spaced from each other in a direction along the surface and intersecting with a direction in which the developer is carried.