Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Patent
1981-11-25
1984-01-03
Ng, Jin F.
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
455292, 333103, 343858, 358181, 358188, H04B 118, H04N 522, H01Q 150
Patent
active
044245912
ABSTRACT:
Apparatus is provided for coupling one of two signal sources to the antenna terminals of a television receiver. An antenna switch is provided which includes solid state switching elements which when receiving a biasing voltage connects one of two input ports to an output port for delivering a signal to a television receiver. In the unbiased state, the remaining input port is connected to the television receiver antenna terminals. High isolation is provided to prevent stray radiation from one signal source being received by a second signal source.
REFERENCES:
patent: 3117241 (1964-01-01), Paynter et al.
patent: 3374364 (1968-03-01), Concelman
patent: 4078214 (1978-03-01), Beno
patent: 4097899 (1978-06-01), Yu
Magnavox Consumer Electronics Company
Ng Jin F.
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