Transponder

Details Transponder Transponder

G - Physics

01

S

343/19, 343/20,

G01S 13/78 (2006.01) G06K 7/00 (2006.01) G06K 19/07 (2006.01) G06K 19/077 (2006.01) G08G 1/017 (2006.01) H04B 5/00 (2006.01)

Patent

CA 1326889

ABSTRACT OF THE DISCLOSURE A device according to the present invention comprises an inductive arrangement adapted to receive power and/or first information signals from an external magnetic field generated at a first frequency, with the power and/or information signals being received in a first portion of the inductive arrangement. The inductive arrangement is further adapted to transmit second information signals at a second frequency, simultaneously and independently of the first signals, from a second portion of the inductive arrangement. The second portion of the inductive arrangement overlaps at least a part of the first portion. The device, in one embodiment, is a passive transponder and preferably the transponder is portable, integrated and relatively inexpensive to produce. The device can be associated with an article for interrogation and/or identification thereof. The induction arrangement is preferably a single coil used for transmission and reception simultaneously.

583579

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