Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Makoto Yamada0
Takashi Ito0
Toyonori Sasaki0
Date of Patent
October 23, 2007
Patent Application Number
11692694
Date Filed
March 28, 2007
Patent Primary Examiner
Patent abstract
An ink cartridge includes an ink chamber, and a movable member disposed within the ink chamber. The movable member includes a signal blocking portion, and a float portion. The ink cartridge also includes a guide, and the movable member is configured to move between a first position and a second position based at least on an amount of ink disposed within the ink chamber. Moreover, when the moveable member moves from the first position to the second position the moveable member slides along the guide.
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