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:
Dec. 07, 2004
Filed:
May. 04, 2000
Applicant:
Inventors:
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/21 ;
U.S. Cl.
CPC ...
B41J 2/21 ;
Abstract
Three nozzle arrays respectively including a plurality of nozzle orifices are provided. Two of the nozzle arrays are divided into a plurality of nozzle blocks NB to NB . One of the nozzle arrays is provided as a unit nozzle block NB . Different kinds of inks to be ejected are allocated with respect to each nozzle blocks. Dye-family colored inks are ejected from the respective divided nozzle blocks. Pigment-family black ink is ejected from the unit nozzle block.