Channel selecting device for CATV terminal unit

Details Channel selecting device for CATV terminal unit Channel selecting device for CATV terminal unit

1985-08-20

1987-12-01

Griffin, Robert L.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455185, 455186, 455 4, H04B 116

Patent

active

047109718

ABSTRACT:
In a channel selecting device for a CATV terminal unit, a channel code table is stored in a ROM of the terminal unit, and only a code arrangement in the channel code table is written in a RAM, whereby the rewriting data is compressed, the time required for the data writing operation is reduced, and the area occupied by the RAM decreased.

REFERENCES:
patent: 4110695 (1978-08-01), Klank et al.
patent: 4155043 (1979-05-01), Sekamoto
patent: 4209751 (1980-06-01), Sakamoto
patent: 4392246 (1983-07-01), Niioka et al.

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