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:
Aug. 20, 2013
Filed:
Mar. 29, 2011
Applicants:
Keigo Ejiri, Nagano-ken, JP;
Toshiaki Koike, Nagano-ken, JP;
Inventors:
Keigo Ejiri, Nagano-ken, JP;
Toshiaki Koike, Nagano-ken, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract
A printercalculates the amount of ink used only for printing as a number of discharged ink shots, and sends this shot count with the printer serial number and ink cartridge ID to a server. The serversaves the shot count, printer serial number, ink cartridge ID, and an error correction code as status information. The serveror server upstream from the servercan reliably determine the number of ink shots used by the printeronly for printing from this status information.