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:
Jul. 15, 2008
Filed:
May. 31, 2006
Applicants:
Ryoki Jahana, Kawasaki, JP;
Satoshi Wada, Tokyo, JP;
Inventors:
Ryoki Jahana, Kawasaki, JP;
Satoshi Wada, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract
When a malfunction nozzle occurs in a joint portion of print elements in a print head, the print head is controlled to minimize image impairments caused by the malfunction nozzle. This prevents an increase in cost of the print head and increases the printing speed while at the same time realizing a high quality of printed image. For the control of the overlapping nozzles in the adjoining print chips, a desired control mode is selectively set from among a plurality of control modes, the control modes having different nozzles removed from use.