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:
Feb. 04, 2014
Filed:
Oct. 25, 2011
Mitsuru Oikawa, Suwon-si, KR;
Seong-min Park, Ansan-si, KR;
Mitsuru Oikawa, Suwon-si, KR;
Seong-min Park, Ansan-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A developing device including a two-component developer including toner and a carrier. The developing device includes first and second developer housing portions divided by a barrier wall having first and second communication openings. A development member is disposed on the first developer housing portion, and first and second agitators are respectively disposed on the first and second developer housing portions. The developing device satisfies 1.8≦(Wa/Wb)≦3.0, wherein Wa represents a mass of the developer in the first developer housing portion and Wb represents a mass of the developer in the second developer housing portion at an equilibrium state.