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:
May. 01, 2007
Filed:
Nov. 01, 2004
Soh Hirota, Aichi-ken, JP;
Masaki Tanaka, Toyohashi, JP;
Masahiro Kouzaki, Toyohashi, JP;
Kazuomi Sakatani, Toyokawa, JP;
Mitsuru Obara, Toyohashi, JP;
Soh Hirota, Aichi-ken, JP;
Masaki Tanaka, Toyohashi, JP;
Masahiro Kouzaki, Toyohashi, JP;
Kazuomi Sakatani, Toyokawa, JP;
Mitsuru Obara, Toyohashi, JP;
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Abstract
An electrophotographic image forming apparatus includes a developer reservoir for accommodating a single-component mixed developer including two types of toner having a generally identical hue and different reflection densities. A magnetic substance is added to one of the two types of toner. The apparatus also includes a detector for detecting a magnetic permeability of the developer in the developer reservoir and a unit for determining a mixture ratio of the two types of toner based on the magnetic permeability of the developer detected by the detector.