Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1977-03-24
1981-05-19
Moore, David K.
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
343722, 455290, H01Q 150
Patent
active
042688345
ABSTRACT:
Serially connected UHF and VHF tuners and control of the lead lengths of the conductors to the tuners from the antenna permit utilization of a single antenna for both the UHF and VHF tuners without need for a crossover network. If the lead lengths are selected to present minimal impedance at the highest UHF frequencies to be received, the intrinsic input impedance for each tuner can be utilized as the crossover network, allowing UHF signals to be applied to the UHF tuner and VHF signals to be applied to the VHF tuner. By use of both external and internal leads in conjunction with a terminal block, each of the tuners is made available for dual antenna operation.
REFERENCES:
patent: 2295383 (1942-09-01), Carlson
patent: 3522608 (1970-08-01), Von Fange
patent: 3530473 (1970-09-01), Ives
patent: 3611198 (1971-10-01), Ma
General Electric Company
Moore David K.
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