RFID detection of air vent condition in inkjet printer supplies

Details RFID detection of air vent condition in inkjet printer supplies RFID detection of air vent condition in inkjet printer supplies

2007-03-28

2010-02-23

Hunnings, Travis R (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572100, C340S010100

Reexamination Certificate

active

07667605

ABSTRACT:
Embodiments of an ink tank are provided, which comprise an ink tank housing, at least one air vent disposed on the housing, and at least one RFID tag disposed on the housing, wherein the at lest one RFID tag is operable to communicate with an RFID reader. The ink tank further comprises a sealing component operable to close the air vent. The sealing component has conductivity operable to interfere with the communication of the RFID tag and the RFID reader such that the RFID tag is incapable of communicating with the RFID reader when the vent is closed.

REFERENCES:
patent: 6938984 (2005-09-01), German et al.
patent: 7212637 (2007-05-01), Salisbury
patent: 2004/0135859 (2004-07-01), German et al.
patent: 2005/0024412 (2005-02-01), Hudd et al.
patent: 2008/0186187 (2008-08-01), Adkins et al.
patent: 2008/0186367 (2008-08-01), Adkins et al.
patent: 2008/0232883 (2008-09-01), Klein et al.

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