Fin-shaped antenna apparatus for vehicle radio application

Details Fin-shaped antenna apparatus for vehicle radio application Fin-shaped antenna apparatus for vehicle radio application

2007-07-03

2007-07-03

Vo, Tuyet (Department: 2821)

Communications: radio wave antennas

Antennas

With vehicle

C343S711000, C343S712000

Reexamination Certificate

active

11099509

ABSTRACT:
A fin-shaped antenna apparatus for vehicle ratio application is electrically connected to a wireless receiver circuit and receives a radio signal. The fin-shaped antenna apparatus includes a fin-shaped cover, an AM antenna, a signal amplifier circuit board, an FM resonance circuit on the signal amplifier circuit board and a metal base. The AM antenna is separated with the FM resonance circuit. The FM resonance circuit comprises a plurality of inductors to form a resonance circuit and is connected to a metal base for enhancing the signal reception thereof. Therefore the signal quality for vehicle ratio application is enhanced.

REFERENCES:
patent: 3939423 (1976-02-01), Zakharov et al.
patent: 4001696 (1977-01-01), Bannerman
patent: 6078294 (2000-06-01), Mitarai
patent: 6380902 (2002-04-01), Duroux
patent: 6525693 (2003-02-01), Ugge′
patent: 6697024 (2004-02-01), Fuerst et al.
patent: 6879294 (2005-04-01), Yuanzhu
patent: 2006/0038726 (2006-02-01), Iacovella et al.

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