Transponder

Details Transponder Transponder

2005-09-06

2005-09-06

Phan, Tho (Department: 2821)

Communications: radio wave antennas

Antennas

Microstrip

C343S795000, C340S572700, C455S091000

Reexamination Certificate

active

06940455

ABSTRACT:
A transponder comprising a chip having contact pads and at least two coupling elements, which are conductively connected with the contact pads, wherein the coupling elements are touch-free relative to each other and formed in a self-supported as well as free-standing way and are essentially extended parallel to the chip plane, the total mounting height of the transponder corresponds essentially to the mounting height of the chip, and the coupling elements are in geometry and size adapted for acting as a dipole antenna or in conjunction with an evaluation unit as a plate capacitor.

REFERENCES:
patent: 6259408 (2001-07-01), Brady et al.
patent: 6346922 (2002-02-01), Proctor et al.
patent: 6466131 (2002-10-01), Tuttle et al.
patent: 6518885 (2003-02-01), Brady et al.
patent: 196 28 504 (1997-01-01), None
patent: 197 53 619 (1999-05-01), None
patent: 197 28 512 (1999-07-01), None
patent: WO 98 03 938 (1998-01-01), None

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