Liquid ejecting device with alternating current electric field generation unit
AssigneeSeiko Epson Corporation
InventorsTsuneyuki Sasaki, Tadashi Aizawa, Katsuya Asamoto
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Abstract
Provided is a liquid ejecting device. An alternating current electric field generation unit includes a first electrode and a second electrode disposed adjacent to each other, a high-frequency voltage generation unit configured to generate a high-frequency voltage to the first electrode and the second electrode, and a conductor configured to electrically couple the first electrode and the second electrode to the high-frequency voltage generation unit. The first electrode and the second electrode are disposed upstream of a liquid ejecting head in a transport direction of a medium.
Claims20
A liquid ejecting device comprising:
- a liquid ejecting head configured to eject a liquid onto a medium transported;
- an alternating current electric field generation unit configured to generate an alternating current electric field;
- and
- a support unit having a support surface for supporting the medium transported, wherein
- the alternating current electric field generation unit includes
- a first electrode and a second electrode disposed adjacent to each other in a direction along the support surface of the support portion,
- a high-frequency voltage generation unit configured to generate a high-frequency voltage to the first electrode and the second electrode, and
- a conductor configured to electrically couple the first electrode and the second electrode to the high-frequency voltage generation unit, and
- the first electrode and the second electrode are disposed upstream of the liquid ejecting head in a transport direction of the medium.
A liquid ejecting device comprising:
- a liquid ejecting head configured to eject a liquid onto a medium transported;
- an alternating current electric field generation unit configured to generate an alternating current electric field;
- and
- an air blowing unit, wherein
- the alternating current electric field generation unit includes
- a first electrode and a second electrode disposed adjacent to each other,
- a high-frequency voltage generation unit configured to generate a high-frequency voltage to the first electrode and the second electrode, and
- a conductor configured to electrically couple the first electrode and the second electrode to the high-frequency voltage generation unit,
- the first electrode and the second electrode are disposed upstream of the liquid ejecting head in a transport direction of the medium,
- the conductor includes a winding, and
- the air blowing unit is configured to blow air to the winding.
A liquid ejecting device comprising:
- a liquid ejecting head configured to eject a liquid onto a medium transported;
- an alternating current electric field generation unit configured to generate an alternating current electric field;
- a control unit configured to control the alternating current electric field generation unit;
- and
- a temperature detection unit configured to detect a temperature of at least one of the conductor, a first electrode, and a second electrode, wherein
- the alternating current electric field generation unit includes
- the first electrode and the second electrode disposed adjacent to each other,
- a high-frequency voltage generation unit configured to generate a high-frequency voltage to the first electrode and the second electrode, and
- a conductor configured to electrically couple the first electrode and the second electrode to the high-frequency voltage generation unit,
- the first electrode and the second electrode are disposed upstream of the liquid ejecting head in a transport direction of the medium, and
- the control unit is configured to stop generation of the high-frequency voltage from the high-frequency voltage generation unit to the first electrode and the second electrode based on a result detected by the temperature detection unit.
Dependencies are inferred from the claim text.