Antenna with spring loading coil

Details Antenna with spring loading coil Antenna with spring loading coil

1978-07-24

1984-07-24

Lieberman, Eli

Communications: radio wave antennas

Antennas

With vehicle

343749, H01Q 120, H01Q 932

Patent

active

044620330

ABSTRACT:
A transmitting and receiving antenna, e.g. a mobile C.B. antenna, has a whip radiator connected to a loading coil, both of which are supported above a ground plane by a mounting structure. The loading coil is made from a simple helical spring partially compressed and retained between conductive end pieces located at the ends of a cylindrical dielectric tube. A savings in labor is achieved because no solder or like connections are needed in constructing the loading coil.

REFERENCES:
patent: 2719920 (1955-10-01), Ellis
patent: 2982964 (1961-05-01), Bresk et al.
patent: 3249945 (1966-05-01), Lewis
patent: 3438046 (1969-04-01), Menhenett
patent: 3541554 (1970-11-01), Shirey
patent: 3623113 (1971-11-01), Faigen et al.
patent: 3624662 (1971-11-01), Feder
patent: 4101898 (1978-07-01), Ingram
Hick, CB Radio Antennas, Howard W. Sams & Co. and the Bobbs-Merrill Co., p. 39, (1976).

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