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. 26, 2006
Filed:
Nov. 19, 1998
Nobuaki Tomidokoro, Kanagawa, JP;
Tetsuo Asakawa, Tokyo, JP;
Shohzoh Miyawaki, Saitama, JP;
Hiroshi Nishida, Kanagawa, JP;
Nobuaki Tomidokoro, Kanagawa, JP;
Tetsuo Asakawa, Tokyo, JP;
Shohzoh Miyawaki, Saitama, JP;
Hiroshi Nishida, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming device management system includes a plurality of image forming devices, a central service station which provides a maintenance service for the image forming devices, and a communication control unit which is connected to each of the image forming devices by a signal line, the communication control unit connecting one of the image forming devices to the central service station via a communication network. In the system, each of the image forming devices includes a message unit which outputs a signal line separation message when the image forming device has no signal from the central service station or the communication control unit over a predetermined period.