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(11) | EP 2 279 870 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Ink cartridge, set of ink cartridges, and ink cartridge determination system |
(57) An ink cartridge includes a first signal blocking portion, a second signal blocking
portion, and a third signal blocking portion. The first signal blocking portion is
configured to either prevent a first signal from passing therethrough or to alter
a path of the first signal when the first signal blocking portion receives the first
signal, the second signal blocking portion is configured to either prevent a second
signal from passing therethrough or to alter a path of the second signal when the
second signal blocking portion receives the second signal, and the third signal blocking
portion is configured to either prevent the second signal from passing therethrough
or to alter a path of the second signal when the third signal blocking portion receives
the second signal.
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