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:
Jan. 07, 2020
Filed:
Feb. 23, 2018
Seiko Epson Corporation, Tokyo, JP;
Takuma Hayashi, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A recording head has two or more first nozzle rows from which an ink droplet of a first color is discharged, two or more second nozzle rows from which an ink droplet of a second color is discharged, and two or more third nozzle rows from which an ink droplet of a third color is discharged. In a plurality of nozzle rows from which an ink droplet is discharged on the same line along the relative movement direction, a distance between the first nozzle row and the second nozzle row in the relative movement direction is fixed, and a plurality of distances are present regarding a distance between the first nozzle row and the third nozzle row in the relative movement direction. Concerning an amount-of-ink upper limit that is an upper limit of an amount of ink that is dischargeable per unit area of the print substrate, first printing in which an amount-of-ink upper limit for a combination of the first nozzle row and the third nozzle row is smaller than an amount-of-ink upper limit for a combination of the first nozzle row and the second nozzle row is performed.