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:
May. 21, 2013
Filed:
Apr. 30, 2010
Ryo Terakado, Ibaraki-ken, JP;
Masato Hirai, Ibaraki-ken, JP;
Ryo Terakado, Ibaraki-ken, JP;
Masato Hirai, Ibaraki-ken, JP;
Riso Kagaku Corporation, Tokyo, JP;
Abstract
A print head includes an ink chamber for storing ink therein, an ink propelling mechanism for propelling ink out of the ink chamber, and a temperature sensor for measuring an ink temperature in the ink chamber, an ink circulation route has a route including the ink chamber, and a print controller works at least along deactivation of an energy saving mode or upon power-on, in response to the temperature sensor having a measure of ink temperature lower than a prescribed value, for a pre-treatment to have the ink propelling mechanism make ink vibrating actions within degrees not to cause ink to be propelled out of the ink chamber, until the ink temperature becomes the prescribed value or more.