Ink bag fitment with an integrated pressure sensor for low ink detection
First Claim
Patent Images
1. An ink container comprising:
- a container for containing a supply of ink and pressurizing gas;
an inlet into said container for receiving said pressurizing gas, whereby said supply of ink is pressurized by said pressurizing gas;
an outlet for supplying pressurized ink to an ink jet printhead; and
a pressure transducer disposed within said container for providing an output signal indicative of an amount of said supply of ink remaining in said container.
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Accused Products
Abstract
An ink container that includes an outer container, a collapsible ink reservoir disposed in the outer container, and a pressure transducer disposed in the pressure vessel for sensing ink level.
82 Citations
27 Claims
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1. An ink container comprising:
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a container for containing a supply of ink and pressurizing gas;
an inlet into said container for receiving said pressurizing gas, whereby said supply of ink is pressurized by said pressurizing gas;
an outlet for supplying pressurized ink to an ink jet printhead; and
a pressure transducer disposed within said container for providing an output signal indicative of an amount of said supply of ink remaining in said container. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An ink container comprising:
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a container defining an interior chamber and configured to hold a supply of ink that defines an occupied portion and an unoccupied portion of said interior chamber; and
a pressure sensor disposed in said container for providing an output signal indicative of an amount of said supply of ink remaining in said container. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. An ink container comprising:
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a collapsible ink reservoir for containing a supply of ink;
an outer container enclosing said collapsible ink reservoir and configured to receive a pressurizing gas that pressurizes said supply of ink; and
a pressure transducer disposed in said outer container for providing an output signal indicative of an amount of said supply of ink remaining in said collapsible ink reservoir. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. An ink container comprising:
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containing means for containing a supply of ink; and
pressure sensing means disposed within said containing means for providing an output signal indicative of an amount of said supply of ink remaining means. - View Dependent Claims (27)
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Specification