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US 8,740,331 B2Granted
Inkjet printhead and method of printing with multiple drop volumes
AssigneeEastman Kodak Company
InventorYonglin Xie
Life of this patent
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Abstract
A printhead and a method of ejecting liquid droplets are provided. The method includes providing a printhead operable to eject liquid drops having a plurality of drop volumes Vi, for i equal to 1 through n, where n≧2, with Vj>Vi when j>i. One of the plurality of drop volumes is a minimum drop volume Vmin, and a difference in drop volumes between successively larger drops equals (Vk+1−Vk) which is less than Vmin, for k equal to 1 through n−1. The method also includes ejecting liquid drops through the printhead.
Claims11
A liquid ejecting apparatus, comprising:
- a printhead including a plurality of liquid ejectors of different sizes, the plurality of liquid ejectors including:
- a first liquid ejector that ejects liquid drops having a first drop volume, which is a minimum drop volume, wherein the minimum drop volume is not greater than any other drop volume that can be ejected from the first liquid ejector and a second liquid ejector of the printhead;
- and
- a second liquid ejector that ejects liquid drops having a second drop volume which is greater than the minimum drop volume, an increment between the first and second drop volumes being less than the minimum drop volume, wherein the size of the first liquid ejector is smaller when compared to the size of the second liquid ejector.
1 more element
Dependencies are inferred from the claim text.