Transponder and antenna

Details Transponder and antenna Transponder and antenna

2005-08-16

2005-08-16

Wimer, Michael C. (Department: 2828)

Communications: radio wave antennas

Antennas

Body-attached or connected

C343S788000, C340S572700

Reexamination Certificate

active

06930646

ABSTRACT:
An antenna for a transponder comprises a magnetic core composed of layered amorphous metallic thin plates or composite plates of soft magnetic flakes and a synthetic resin, and a coil wound on the magnetic core. A transponder comprises two antennas set forth above, and a spiral antenna.

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Antennbuch, Franchkh-Kosmos Verlags-GmbH & Co., Stuttgart 1991, p. 389.

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