Double antenna especially for vehicles

Details Double antenna especially for vehicles Double antenna especially for vehicles

1997-12-19

1999-11-02

Wong, Don

Communications: radio wave antennas

Antennas

With vehicle

343856, 343729, H01Q 132

Patent

active

059779209

ABSTRACT:
The invention relates chiefly to double antennas for metric and decimetric waves, designed for vehicles. The antenna comprises a single-pole antenna for low frequencies surmounted by a dipole type antenna for high frequencies. The supply cable of the dipole antenna has an external conductor used to form the single-pole antenna above the ground plane. Beneath the ground plane, this external conductor is wound in turns to constitute the secondary winding of a transformer for the supply of the single-pole antenna. Application especially to ground vehicles.

REFERENCES:
patent: 5216434 (1993-06-01), Fukumura
patent: 5311201 (1994-05-01), Lillie et al.
patent: 5317327 (1994-05-01), Piole
patent: 5751253 (1998-05-01), Wells

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