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.

Date of Patent:
Oct. 01, 2002

Filed:

Aug. 23, 2001
Applicant:
Inventors:

Charles C. Chang, Hsinchu, TW;

Ching-Long Chiu, Tainan Hsien, TW;

Shyh-Haur Su, Hsinchu, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/25 ;
U.S. Cl.
CPC ...
B41J 2/25 ;
Abstract

A multi-color level inkjet head chip structure includes a pre-mixing space. The pre-mixing space communicates with different ink storage spaces through a plurality of providing elements, then the volume of different colored inks is controlled by the ink providing elements to be injected into the pre-mixing space. The desired color level ink is created in the pre-mixing space in advance. Finally, the desired color level pre-mixed ink is ejected onto the recording media (such as paper or other similar material) through an inkjet printing driver at the pre-mixing space. Therefore, the desired color level can be produced by only one inkjet printing at any printing area, which will be extremely beneficial for increasing the speed of inkjet printing.


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