Polarity switch for satellite television receiver

Details Polarity switch for satellite television receiver Polarity switch for satellite television receiver

1985-01-29

1987-06-09

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

455 3, 455131, 455133, 455140, 333103, 358 86, 358181, H04B 106, H04H 100, H04N 5268

Patent

active

046726870

ABSTRACT:
An improved polarity switch for connection between a dual antenna system and a satellite television reception system has a first embodiment which utilizes a pin diode switch between the dual antenna system and each of a plurality of receivers to permit use of the receiver to select one of the two antenna feeds for decoding and display at that television set. A second embodiment is also disclosed which utilizes an electromechanical relay to isolate the antenna feeds from each receiver.

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