Pole mounted converter

Details Pole mounted converter Pole mounted converter

1977-03-28

1979-01-16

Griffin, Robert L.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 86, H04N 716

Patent

active

041351576

ABSTRACT:
Cable television converter means includes a plurality of individual converter RF sections, each including an oscillator and a mixer. A plurality of subscriber channel selection means are connected, along with each of the oscillators to a digital tuning system. The digital tuning system sequentially and repetitively is connected to each subscriber selection means and its associated oscillator to provide tuning control during the period of such connection. Tuning control is provided by comparing the frequency of the oscillator with the selected channel oscillator frequency as provided by the subscriber selection means.

REFERENCES:
patent: 3249876 (1966-05-01), Harrison
patent: 3333198 (1967-07-01), Mandell et al.
patent: 3801915 (1974-04-01), Ostuni et al.
patent: 3859596 (1975-01-01), Jannery et al.
patent: 3942121 (1976-03-01), Bell et al.

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