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US 10,864,726 B2Granted
Liquid ejecting head and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorsHiromu Miyazawa, Toshihiro Shimizu
Life of this patent
Estimating the term…
Abstract
A liquid ejecting head includes: a nozzle from which a liquid is ejected; a communication passage that is in communication with the nozzle; a first pressure compartment that is connected to the communication passage through a first passage; a second pressure compartment that is connected to the communication passage through a second passage; a first drive element that changes pressure of the first pressure compartment; and a second drive element that changes pressure of the second pressure compartment.
Claims18
A liquid ejecting head, comprising:
- a first nozzle from which a liquid is ejected;
- a first communication passage that is in communication with the first nozzle;
- a first pressure compartment;
- a first drive element that changes a pressure of the first pressure compartment;
- a first passage that connects the first pressure compartment and the first communication passage;
- a second pressure compartment;
- a second drive element that changes a pressure of the second pressure compartment;
- a second passage that connects the second pressure compartment and the first communication passage;
- a third pressure compartment;
- a third drive element that changes a pressure of the third pressure compartment;
- a third passage that connects the third pressure compartment and the first communication passage;
- a fourth pressure compartment;
- a fourth drive element that changes a pressure of the fourth pressure compartment;
- and
- a fourth passage that connects the fourth pressure compartment and the first communication passage.
12 more elements
Dependencies are inferred from the claim text.