SHF receiver

Details SHF receiver SHF receiver

1986-10-02

1987-12-01

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455 3, 455161, 455168, H04B 1116, F29Q 2308

Patent

active

047109726

ABSTRACT:
A superhigh frequency (SHF) receiver for receiving satellite broadcast signals having different planes of polarization for adjacent or odd- and even-numbered channels, respectively, is operative, upon sequential channel selection, to sequentially select alternate or every other channel, for example, the odd-numbered channels, having a first plane of polarization, and then to automatically switch the receiving plane of polarization of a polarizer and sequentially select the other alternate channels, for example, the even-numbered channels, having a second plane of polarization. Thus, the user does not have to switch the plane of polarization of the polarizer for receiving the satellite broadcast signal and the plane of polarization of the polarizer needs to be changed only once when scanning the full array of channels so that channel selection can be carried out at higher speed.

REFERENCES:
patent: 3931623 (1976-01-01), Sones
patent: 4232397 (1980-11-01), Murata et al.
patent: 4392247 (1983-07-01), Van Deursen
patent: 4509198 (1985-04-01), Nagatomi
patent: 4527281 (1985-07-01), Imagawa et al.
patent: 4538175 (1985-08-01), Baibes et al.
patent: 4592093 (1986-05-01), Ouchi et al.

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