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:
Jul. 28, 2000
Applicant:
Inventors:
Norihiro Kawatoko, Kawasaki, JP;
Hiroshi Tajika, Yokohama, JP;
Takayuki Murata, Kawasaki, JP;
Yuji Konno, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/938 ;
U.S. Cl.
CPC ...
B41J 2/938 ;
Abstract
When printing data is to be printed, the number of simultaneously driven printing elements of a plurality of printing elements of a printhead is discriminated. On the basis of the number of simultaneously driven printing elements discriminated and a fundamental pulse width changeably, determined on the basis of driving conditions of the printhead, a driving pulse to be applied to printing elements used in the printing of the printing data is controlled.