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:
Feb. 26, 2013
Filed:
Jun. 15, 2010
Tsuyoshi Kanke, Yokohama, JP;
Riichi Saito, Fujisawa, JP;
Nobuyuki Kuwabara, Hachioji, JP;
Osamu Sato, Takasaki, JP;
Noribumi Koitabashi, Yokohama, JP;
Tsuyoshi Kanke, Yokohama, JP;
Riichi Saito, Fujisawa, JP;
Nobuyuki Kuwabara, Hachioji, JP;
Osamu Sato, Takasaki, JP;
Noribumi Koitabashi, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
During a cleaning operation, the following steps are executed. The steps includes a first step of pressurizing ink in a supply path to overflow the ink from a nozzle, a second step of stopping the pressurization, a third step of executing wiping while the pressurization is stopped and a negative pressure is not applied, and a fourth step of applying a negative pressure to the ink at the nozzle to generate a meniscus.