Communications: radio wave antennas – Antennas – With vehicle
Patent
1989-11-22
1990-12-25
Hille, Rolf
Communications: radio wave antennas
Antennas
With vehicle
343745, 343830, 343900, H01Q 132, H01Q 900, H01Q 938
Patent
active
049806955
ABSTRACT:
An inside antenna is provided comprising a housing, a capacitor and an inductor located within the housing and cooperating to form an LC network, a radiator connected to the inductor, and a coaxial cable with its central conductor tapped to a selected location of the inductor. The capacitor is formed by a radiator plate to which the radiator and inductor are connected and a ground plate. A set screw is carried by the housing and engages the ground plate so that movement of the set screw varies the position of the ground plate relative to the radiator plate.
REFERENCES:
patent: 4238799 (1980-12-01), Parfitt
patent: 4658259 (1987-04-01), Blaese
patent: 4764773 (1988-08-01), Larsen et al.
patent: 4779098 (1988-10-01), Blaese
patent: 4794319 (1988-12-01), Shimazaki
patent: 4804969 (1989-02-01), Blaese
patent: 4825217 (1989-04-01), Choi
patent: 4839660 (1989-06-01), Hadzoglou
patent: 4862183 (1989-08-01), Blaese
patent: 4875051 (1989-10-01), Blaese
Cellular Mobile, 3dB Gain "On-Class", Antenna Spec. Sheet, Apr. 1985.
Brown Peter T.
Hille Rolf
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