Antenna for mobile telephone on a glass panel of an automobile

Details Antenna for mobile telephone on a glass panel of an automobile Antenna for mobile telephone on a glass panel of an automobile

1989-02-16

1990-04-03

Hille, Rolf

Communications: radio wave antennas

Antennas

With vehicle

H01Q 132

Patent

active

049144472

ABSTRACT:
An antenna system for mobile telephone is arranged on a glass panel, i.e. the rear window glass panel of an automobile. The antenna system comprises a main antenna part comprising a horizontal antenna element, a pair of vertical antenna elements extending vertically from the both ends of the horizontal antenna element, and a first feeding point connected to the free end of one of the vertical antenna elements, an earth line part, provided apart from the main antenna part, which extends in parallel to the horizontal antenna element and which has a second feeding point at an intermediate portion of the earth line part and below the first feeding point, and an auxiliary antenna part which has an extension element extending in parallel to the earth line part and which is connected to either or both of the horizontal antenna element of the main antenna part and the free end of the vertical antenna element connected to the first feeding point.

REFERENCES:
patent: 4260989 (1981-04-01), Ishii
patent: 4329691 (1982-05-01), Prewitt
patent: 4439771 (1984-05-01), Kume et al.
patent: 4527164 (1985-07-01), Cestaro et al.
patent: 4736206 (1988-04-01), Sakurai et al.
patent: 4746925 (1988-05-01), Toriyama
patent: 4768037 (1988-08-01), Inaba et al.
patent: 4791425 (1988-12-01), Yotsuya et al.

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