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:
Dec. 11, 2012
Filed:
May. 31, 2011
Takao Izumi, Kanagawa-ken, JP;
Takashi Kado, Shizuoka-ken, JP;
Yoshiaki Kaneko, Shizuoka-ken, JP;
Masashi Hiroki, Kanagawa-ken, JP;
Takao Izumi, Kanagawa-ken, JP;
Takashi Kado, Shizuoka-ken, JP;
Yoshiaki Kaneko, Shizuoka-ken, JP;
Masashi Hiroki, Kanagawa-ken, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
According to one embodiment, an ink jet head includes pressure chambers filled with liquid, nozzles discharging the liquid that is in the pressure chambers, actuators changing the capacity of the pressure chambers, and a processor. The processor repeatedly outputs a waveform voltage including an expansion pulse, a ground potential, a contraction pulse, and a ground potential in this order, as a driving voltage with respect to the actuators.