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. 15, 2007
Filed:
Jul. 27, 2004
Ji-hyuk Lim, Suwon-si, KR;
Young-jae Kim, Anyang-si, KR;
Yong-soo OH, Seongnam-si, KR;
Seog-soon Baek, Suwon-si, KR;
You-seop Lee, Yongin-si, KR;
Hyung-taek Lim, Seoul, KR;
Chang-seung Lee, Seongnam-si, KR;
Ji-hyuk Lim, Suwon-si, KR;
Young-jae Kim, Anyang-si, KR;
Yong-soo Oh, Seongnam-si, KR;
Seog-soon Baek, Suwon-si, KR;
You-seop Lee, Yongin-si, KR;
Hyung-taek Lim, Seoul, KR;
Chang-seung Lee, Seongnam-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Abstract
An apparatus and method for driving an ink-jet printhead in which current is applied to a heater to heat ink to be supplied in an ink chamber to generate a bubble to eject ink from the ink chamber, the apparatus including a circuit that alternately applies current to the heater to alternate a direction of current flowing through the heater.