Contactless data communication system, countactless...

Details Contactless data communication system, countactless... Contactless data communication system, countactless...

2006-11-14

2006-11-14

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572800, C340S568100, C340S005740, C340S539100, C340S572900, C073S146500, C073S146500

Reexamination Certificate

active

07135975

ABSTRACT:
A contactless data communication system includes a reader-writer device, a contactless identification tag including a plurality of contactless identification tags, and baggage including multiple pieces of baggage. The reader-writer device includes a data reception part, a data transmission part, a control part, an operation part, and a display part. The contactless identification tag includes a data communication part, a data control part, a voltage monitoring part, a detachment detection part, a display processing part, and an electrophoresis display device. The voltage monitoring part and the detachment detection part detect a voltage change caused when the contactless identification tag is detached from the baggage, so as to detect that the contactless identification tag is detached.

REFERENCES:
patent: 5952922 (1999-09-01), Shober
patent: 5959532 (1999-09-01), Fujiuchi et al.
patent: 6545605 (2003-04-01), Van Horn et al.
patent: 07-020650 (1995-01-01), None
patent: 07-049931 (1995-02-01), None
patent: 2000-251164 (2000-09-01), None
patent: 2002-150248 (2002-05-01), None
patent: 2002-150249 (2002-05-01), None
Patent Abstracts of Japan regarding Publication No. 2002-150248 published May, 24, 2002.
Patent Abstracts of Japan regarding Publication No. 2002-150249 published May, 24, 2002.
Communication from Japanese Patent Office regarding counterpart application.

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