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. 11, 2011
Filed:
Nov. 29, 2010
Hung-lieh HU, Hsinchu, TW;
Jui-hua HU, Taichung County, TW;
Francis Chee-shuen Lee, Hsin-Chu, TW;
Wei-fu Lai, Taichung County, TW;
Hung-Lieh Hu, Hsinchu, TW;
Jui-Hua Hu, Taichung County, TW;
Francis Chee-Shuen Lee, Hsin-Chu, TW;
Wei-Fu Lai, Taichung County, TW;
International United Technology Co., Ltd., Hsin-chu, TW;
Abstract
An ink jet printhead module adapted for use in a printing apparatus, the ink jet printhead module being capable of receiving address signals and chip selection signals from a printhead drive unit of the printing apparatus. The printhead module includes chip control circuits, each being capable of receiving the address signals and receiving a corresponding one of the chip selection signals. Each chip control circuit includes switching circuits and an ink jetting circuit set. Each switching circuit is capable of receiving a corresponding one of the address signals and the corresponding one of chip selection signals and outputting a switching signal. An ink jetting circuit set includes ink jetting circuits, each being capable of receiving the switching signal from the corresponding switching circuit electrically coupled to the ink jetting circuit and determining whether or not to jet out ink based on the received switching signal.