Satellite broadcasting tuner

Details Satellite broadcasting tuner Satellite broadcasting tuner

1991-08-13

1993-10-05

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

3581911, 358 86, 3581931, 455338, H04N 544, H04N 550

Patent

active

052510352

ABSTRACT:
A satellite broadcasting tuner with which satellite broadcasting of any channel can be enjoyed only by a channel selecting operation thereof whether or not broadcasting of the channel involves special signal processing. The tuner includes external input terminals for receiving video and aural signals from an external decoding apparatus, a changing over circuit for alternatively coupling video and aural signals from the external input terminals or video and aural signals from a signal processing circuit, which extracts such video and aural signals from an output of a demodulating circuit for a received satellite broadcasting signal, to external output terminals of the tuner to which an external monitor apparatus is connected, a memory for storing therein channels of satellite broadcasting which is broadcast in a specially processed signal form, and a controller for controlling the changing over circuit to couple, when one of the channels stored in the memory is to be received, the external decoding apparatus to the external monitor apparatus.

REFERENCES:
patent: 4667243 (1987-05-01), Blatter et al.
patent: 4823387 (1989-04-01), Tults
patent: 4996597 (1991-02-01), Duffield
patent: 5031045 (1991-07-01), Kawasaki
patent: 5083205 (1992-01-01), Arai
patent: 5087977 (1992-02-01), Suizu

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