Wireless tag and electrically conductive pipe having...

Details Wireless tag and electrically conductive pipe having... Wireless tag and electrically conductive pipe having...

2011-06-14

2011-06-14

Mehmood, Jennifer (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572800, C340S010100, C102S206000

Reexamination Certificate

active

07961103

ABSTRACT:
A wireless tag adapted for mounting inside a hollow electrically conductive pipe, includes: a contact placed in contact with the electrically conductive pipe so as to be electrically connected to the electrically conductive pipe; a lead wire placed inside the electrically conductive pipe along a longitudinal direction of the electrically conductive pipe and spaced a prescribed distance away from an inside wall of the electrically conductive pipe, thereby forming a coaxial line together with the electrically conductive pipe; and a wireless tag circuit, electrically connected at one end to the contact and at the other end to the lead wire, for generating a response signal in response to an interrogation signal transmitted from a reader/writer.

REFERENCES:
patent: 6543362 (2003-04-01), Muskat
patent: 7378970 (2008-05-01), Hayashi et al.
patent: 7541932 (2009-06-01), Lee et al.
patent: 7762189 (2010-07-01), Ritchie et al.
patent: 2006/0022056 (2006-02-01), Sakama et al.
patent: 2009/0121878 (2009-05-01), Lai
patent: A-2006-125650 (2006-05-01), None
patent: WO 2006/128257 (2006-12-01), None

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