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US 2015/0174894 A1Published application
Liquid ejection apparatus and sensor unit
AssigneeCanon Kabushiki Kaisha
InventorRyo HARIGAE
Life of this patent
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Abstract
To provide a liquid ejection apparatus and a sensor unit capable of reducing the amount of mist adhering to an optical element. A liquid ejection apparatus, including: a carriage including an ejection head mounted thereon for ejecting a liquid and moving, and a sensor unit accommodating an optical element attached to the carriage, wherein the sensor unit has a first opening and a second opening which is communicated with the first opening and forming a light path between the optical element and the medium.
Claims11
A liquid ejection apparatus, comprising:
- a carriage including an ejection head mounted thereon for ejecting a liquid and moving, and
- a sensor unit accommodating an optical element attached to the carriage,
- wherein the sensor unit has a first opening and a second opening which is communicated with the first opening and forming a light path between the optical element and the medium.
A sensor unit, comprising:
- an optical element, and
- a housing accommodating the optical element,
- wherein the housing has a light path opening forming a light path between the optical element and the outside, and
- a ventilation opening opened in the direction intersecting with the opening direction of the light path opening and communicated with the light path opening.
1 more element
Dependencies are inferred from the claim text.