Multiple-layer patch antenna

Details Multiple-layer patch antenna Multiple-layer patch antenna

2006-03-16

2009-06-09

Mancuso, Huedung (Department: 2821)

Communications: radio wave antennas

Antennas

With vehicle

Reexamination Certificate

active

07545333

ABSTRACT:
A patch antenna for receiving and/or transmitting circularly polarized RF signals includes a first radiating layer and a second radiating layer disposed substantially parallel to each other. Each radiating layer defines a pair of perturbation features. A ground plane layer is disposed underneath the radiating layers. The antenna also includes a feed line layer implemented as a coplanar wave guide and disposed between the radiating layers. The feed line layer allows for connection of a single transmission line to the antenna and for electromagnetically connecting the radiating layers to the transmission line. Dielectric layers separate the radiating layers, feed line layer, and ground plane layer.

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English translation of JP 2003-017931, Japanese Patent Office.
English translation of JP 09-219618, Japanese Patent Office.
English abstract of JP 04-122107, Japanese Patent Office.
English Translation of 11-068448, Japanese Patent Office.

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