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:
Feb. 22, 2011
Filed:
Mar. 26, 2008
Tsu-min Liu, Hsinchu County, TW;
Jeng-han Lee, Taipei County, TW;
Chieh-yi Huang, Hsinchu County, TW;
Chia-ming Chang, Taipei County, TW;
Chao-kai Cheng, Miaoli County, TW;
Yuh-zheng Lee, Hsinchu, TW;
Tsu-Min Liu, Hsinchu County, TW;
Jeng-Han Lee, Taipei County, TW;
Chieh-Yi Huang, Hsinchu County, TW;
Chia-Ming Chang, Taipei County, TW;
Chao-Kai Cheng, Miaoli County, TW;
Yuh-Zheng Lee, Hsinchu, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An Inkjet apparatus is provided. An Inkjet apparatus includes a piezoelectric inkjet print head, a plurality of driving unit, a detection unit and a control unit. The piezoelectric inkjet print head comprises a plurality of nozzles, wherein each the nozzle outputs an ink drop according to a driving voltage. The driving unit generates the driving voltage according to a control signal. The detection unit detects a state of the ink drop corresponding to the nozzle to generate a detection signal. The control unit generates the control signal to control the driving voltage according to the detection signal.