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:
Mar. 07, 2006
Filed:
Aug. 25, 2003
Applicants:
Kazunori Masuda, Saitama, JP;
Kiyoshi Sekiguchi, Kanagawa, JP;
Inventors:
Kazunori Masuda, Saitama, JP;
Kiyoshi Sekiguchi, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01);
U.S. Cl.
CPC ...
Abstract
A printing apparatus performs printing by scanning a carriage unit over a print medium based on information transmitted from an external apparatus. The body of the carriage unit includes a removable printhead having a plurality of nozzles for discharging ink; a heat source detection unit for detecting the number of heat sources driving the nozzles; and a voltage generation unit for supplying a voltage to the heat sources for driving the nozzles in accordance with the number of heat sources detected by the heat source detection unit.