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:
Oct. 03, 2000
Filed:
May. 28, 1998
Applicant:
Inventors:
Yuan-Liang Lan, Hsinchu Hsien, TW;
Ming-Ling Lee, Hsinchu Hsien, TW;
Yi-Yung Wu, Taichung Hsien, TW;
Chu-Wen Chen, Hsinchu, TW;
Ten-Hsing Jaw, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 11 ;
Abstract
A method of prolonging the lifetime of a thermal-bubble-ink-jet print head. A first pulse is provided to a heater of the print head for generating a first bubble to expel an ink drop. A second pulse is provided to the heater after a delay time for generating a second bubble is generated. The second pulse is not large enough to expel another ink drop.