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:
Sep. 26, 2006
Filed:
Jun. 27, 2003
Yoshihiro Koyama, Kanagawa, JP;
Seiichirou Satomura, Kanagawa, JP;
Makoto Akahira, Kanagawa, JP;
Hidehiko Fujimura, Tokyo, JP;
Yoshihiro Koyama, Kanagawa, JP;
Seiichirou Satomura, Kanagawa, JP;
Makoto Akahira, Kanagawa, JP;
Hidehiko Fujimura, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
It is an object of this invention to make the amounts of liquid discharged from the nozzles of a liquid discharge head uniform. To achieve this object, there is provided a liquid discharge apparatus for discharging a liquid to a medium using a liquid discharge head having a plurality of nozzles for discharging the liquid, characterized by comprising a discharge amount changing device which can change the amounts of liquid discharged from the respective nozzles of the liquid discharge head independently of each of the plurality of nozzles, the discharge amount changing device including a voltage control device which can change a driving voltage value of a driving pulse to be supplied to each of the plurality of nozzles.