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:
Jan. 13, 2009
Filed:
Nov. 21, 2006
Yoshiki Nakazawa, Toyokawa, JP;
Kunio Furukawa, Toyokawa, JP;
Masahiro Kamiya, Toyohashi, JP;
Shigeki Nozawa, Hoi-gun, JP;
Masazumi Ito, Toyohashi, JP;
Satoshi Hasegawa, Toyokawa, JP;
Yoshiki Nakazawa, Toyokawa, JP;
Kunio Furukawa, Toyokawa, JP;
Masahiro Kamiya, Toyohashi, JP;
Shigeki Nozawa, Hoi-gun, JP;
Masazumi Ito, Toyohashi, JP;
Satoshi Hasegawa, Toyokawa, JP;
Konica Minolta Business Technologies, Inc., Chiyoda-Ku, Tokyo, JP;
Abstract
An image forming apparatus includes a cartridge loading portion removably loaded with a first cartridge containing therein a consumable but carrying no memory storing information on the consumable, or with a second cartridge containing therein the consumable and carrying a memory storing information on the consumable; a controller; and a first memory storing the information on the consumable contained in the first cartridge, and is characterized in that the controller includes: a first consumption calculating/storing portion operating when the first cartridge is loaded in the cartridge loading portion, calculating a consumption of the consumable in the first cartridge and storing the calculation result in the first memory; and a second consumption calculating/storing portion for calculating a consumable consumption of the second cartridge and for storing the calculation result in the memory installed in the second cartridge.