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. 11, 2013
Filed:
Mar. 15, 2010
Yoshiko Hoshiyama, Nagano-ken, JP;
Hirokazu Nunokawa, Nagano-ken, JP;
Yoshiko Hoshiyama, Nagano-ken, JP;
Hirokazu Nunokawa, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A printing apparatus includes a head and a drive signal generating section. The head has an element performing operation for ejecting ink and ejects a plurality of types of inks, an amount of each ink ejected by the head being different depending on a designated tone value. The drive signal generating section generates a drive signal having a waveform section for operating the element and generates a plurality of types of the drive signals for a specific tone value, the waveform section of each of the drive signals for the specific tone value being different depending on the types of inks.