Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1974-07-01
1976-02-17
Libman, George H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
325375, 343712, H04B 118, H01Q 132
Patent
active
039394239
ABSTRACT:
An automobile active receiving broadcast band antenna having a bandpass filter input circuit capacitor formed by a metal member insulated from the automobile body and arranged in close vicinity to the windshield and by an automobile body structural element, an antenna body having arranged therein a bandpass filter, a frequency-modulated signal amplifier, an amplitude-modulated signal amplifier, a frequency correcting network, an interference filter, a frequency separation filter, said antenna body being mounted within the automobile interior. The effect of external mechanical and climatic factors on the antenna elements are minimized during operation, while the use of automobile radio receivers for the driver and passengers is made more convenient, without affecting the automobile's aerodynamic characteristics nor impairing the automobile's outside appearance.
REFERENCES:
patent: 3099797 (1963-07-01), Piccinini
patent: 3623108 (1971-11-01), DuBois et al.
Melnichuk Oleg Ulyanovich
Zakharov Viktor Ivanovich
Zinichev Alexandr Alexeevich
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