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:
Jun. 14, 2016
Filed:
Dec. 05, 2013
Seiko Epson Corporation, Tokyo, JP;
Atsushi Kitabayashi, Chino, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A nozzle ejection amount correcting method includes: a first signal correction for performing first signal correction by calculating correction amounts of the plurality of driving signals from a difference C between a predetermined amount B in a case of ejecting liquid droplets from the selected nozzles to the ejecting regions in the main scanning performed a plurality of times and the predetermined amount A that is set in advance; a second signal correction for performing second signal correction by calculating correction amounts of the plurality of driving signals before the correction corresponding to the main scanning in the later stage from a difference E between a predetermined amount D in a case of ejecting the liquid droplets to the ejecting regions and the predetermined amount A by using the plurality of driving signals, by which the first signal correction is performed, in the main scanning in the former stage.