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US 8,985,752 B2Granted
Method of refilling liquid, liquid container, and method of manufacturing a liquid container
AssigneeSeiko Epson Corporation
InventorsTaku Ishizawa, Hiroyuki Kawate, Hiroshi Nose
Life of this patent
Estimating the term…
Abstract
A method of refilling ink in an ink cartridge includes refilling the ink in the ink cartridge from a position at which a translucent part is provided in the ink cartridge, with the translucent part being used to optically detect an amount of the ink held in the ink cartridge.
Claims9
A method of refilling ink in an ink cartridge, the method comprising:
- refilling the ink in the ink cartridge from a position at which a translucent part is provided in the ink cartridge, with the translucent part being used to optically detect an amount of the ink held in the ink cartridge,
- the translucent part having
- a first translucent part including a prism that is arranged such that a state of reflection of light incident from an exterior of the ink cartridge to the prism varies depending on the amount of the ink held in the ink cartridge, and
- a second translucent part including a plate-shaped base member to which the prism is attached, the second translucent part allowing light to pass through,
- wherein the ink cartridge has a through hole penetrating through the translucent part, and the refilling of the ink includes refilling the ink via the through hole.
2 more elements
Dependencies are inferred from the claim text.