Car phone antenna assembly

Details Car phone antenna assembly Car phone antenna assembly

1988-02-09

1989-04-25

Sikes, William L.

Communications: radio wave antennas

Antennas

With vehicle

343745, 343861, H01Q 132

Patent

active

048252174

ABSTRACT:
A car phone antenna assembly which comprises a whip, a base mounted on a window of a car and a coupling unit having the structure for a capacitive tuning circuit. The coupling unit further comprises a coupling plate which acts as a coupling capacitor together with the base, first and second inductor members, and a variable capacitor member which can fine tune the resonant frequency of the antenna assembly.

REFERENCES:
patent: 3474453 (1969-10-01), Ireland
patent: 4238799 (1980-12-01), Parfitt
patent: 4266227 (1981-05-01), Blaese

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