Planar Antenna Arrangement

Details Planar Antenna Arrangement Planar Antenna Arrangement

2005-06-14

2005-06-14

Wong, Don (Department: 2821)

Communications: radio wave antennas

Antennas

High frequency type loops

Reexamination Certificate

active

06906672

ABSTRACT:
An antenna arrangement for use over a metallic surface in motor vehicles is adapted to improve reception in the AM frequency range. An FM loop includes two conductor sections separated by a capacitor. An AM probe extends from one of the conductor sections near an antenna feed line connector and isolates AM signals by an L-C circuit between the probe and the connection to the conductor section. Omnidirectional reception is achieved by a coplanar WB probe, FM probe and AM coiled loop between them, mounted to a substrate.

REFERENCES:
patent: 3611388 (1971-10-01), Okumura
patent: 4821040 (1989-04-01), Johnson et al.
patent: 5402134 (1995-03-01), Miller et al.
patent: 5508710 (1996-04-01), Wang et al.
patent: 6204817 (2001-03-01), Edvardsson
patent: 6297711 (2001-10-01), Seward et al.
patent: 2001/0010506 (2001-08-01), Taniguchi et al.

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