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. 15, 2009
Filed:
Nov. 30, 2006
Chen-hsing Cheng, Hsinchu, TW;
Tsung-yu Hung, Hsinchu, TW;
Chen-Hsing Cheng, Hsinchu, TW;
Tsung-Yu Hung, Hsinchu, TW;
ICF Technology Limited, Santa Clara, unknown;
Abstract
An ink jet device includes a print head, an ink tank containing ink therein, a first motor, a second motor, and a control unit. The ink tank is connected with the print head and configured for supplying ink to the print head. The ink contained in the ink tank exerting a static hydraulic pressure onto the print head. The first motor is configured for driving the print head to move in a direction selected from the group consisting of a vertical direction, a horizontal direction, and a combination thereof. The second motor is configured for substantially simultaneously driving the ink tank to move in response to vertical movement of the print head so as to maintain the static hydraulic pressure that the ink exerts on the print head.