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:
Apr. 13, 2004
Filed:
May. 01, 2001
Toshiharu Inui, Kanagawa, JP;
Shinji Takagi, Kanagawa, JP;
Kentaro Yano, Kanagawa, JP;
Tetsuhito Ikeda, Tokyo, JP;
Masao Kato, Tochigi, JP;
Katsuhiko Takahashi, Kanagawa, JP;
Kenichi Saito, Kanagawa, JP;
Tomonori Sato, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In the present invention, the minimum necessary consumption of ink can recover the channel miss state of the plurality of nozzles. The present invention provides a recovery processing method of an ink jet printing apparatus for forming images using a print head having a plurality of nozzles for ejecting ink droplets. The method comprises a first step for detecting channel miss state of said plurality of nozzles, and a second step for executing at least one of different recovery processes depending on the channel miss states of said plurality of nozzles detected in the first step.