Tuned radio apparatus

Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency

Patent

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Details

455195, 455273, 343715, H04B 118

Patent

active

049842960

ABSTRACT:
A tuned radio apparatus includes a tuned radio receiver and a tuned antenna apparatus both of which are tuned to the same frequency. The antenna apparatus may include a varactor similar to a varactor used in the receiver and receiving the same tuning voltage for tuning at least one antenna. The tuning voltage may be supplied from the receiver to the antenna apparatus and the received radio frequency output may be supplied from the antenna apparatus to the receiver over an antenna cable connected to a single antenna terminal.

REFERENCES:
patent: 3243708 (1966-03-01), Manson
patent: 4381566 (1983-04-01), Kane
patent: 4525869 (1985-06-01), Hamada et al.
patent: 4667342 (1987-05-01), Lindenmeier et al.
patent: 4675687 (1987-06-01), Elliot
patent: 4739516 (1988-04-01), Starkloff

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