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. 16, 2008
Filed:
Jul. 09, 1999
Noribumi Koitabashi, Yokohama, JP;
Jiro Moriyama, Kawasaki, JP;
Shigeyasu Nagoshi, Yokohama, JP;
Hiroshi Tajika, Yokohama, JP;
Fumihiro Gotoh, Kawasaki, JP;
Masao Kato, Yokohama, JP;
Noribumi Koitabashi, Yokohama, JP;
Jiro Moriyama, Kawasaki, JP;
Shigeyasu Nagoshi, Yokohama, JP;
Hiroshi Tajika, Yokohama, JP;
Fumihiro Gotoh, Kawasaki, JP;
Masao Kato, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In an ink-jet apparatus employing an ink-jet head having a plurality of heaters corresponding to one ink ejection opening and performing printing by ejecting an ink from the ink-jet head, timings of bubble forming are mutually shifted at respective heaters of the plurality of heaters upon application of respective pulses to the plurality of heaters and based on information relating to an ink temperature of the ink-jet head. The ejection amount can be controlled by forming bubbles in the ink to eject the ink through the ink ejection opening.