Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
April 1, 2008
Patent Application Number
11065141
Date Filed
February 24, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
An ink cartridge includes a first detection portion positioned on the cartridge so as to be detectable by a detector of an image forming apparatus when the ink cartridge is installed in the image forming apparatus and a second detection portion positioned on the cartridge so as to be detectable by the detector during installation and removal of the ink cartridge into/from the image forming apparatus. The second detection portion is positioned apart from the first detection portion toward a surface of the ink cartridge that is first inserted into the image forming apparatus during installation of the ink cartridge in the image forming apparatus. Image forming apparatuses compatible with such ink cartridges are also provided.
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