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. 21, 2010
Filed:
Nov. 30, 2007
Koichi Mizugaki, Suwa, JP;
Koichi Mizugaki, Suwa, JP;
Seiko Epson Corporation, , JP;
Abstract
A droplet ejection head drive method includes (1) associating multiple nozzles with ranks corresponding to weights of droplets ejected from the nozzles, (2) generating drive waveforms for driving actuators of the nozzles and correcting the weights of the droplets to a predetermined weight, for each of the ranks, and (3) supplying the drive waveforms corresponding to the ranks of some of the nozzles selected according to drawing data, to actuators of the selected nozzles and ejecting droplets each having the predetermined weight from the selected nozzles onto a target.
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