Direct current power system including standby for community ante

Details Direct current power system including standby for community ante Direct current power system including standby for community ante

1974-06-26

1976-10-19

Safourek, Benedict V.

Telegraphy

Systems

Simplex-reversing periodic

178DIG13, 178DIG11, 325308, 178 68, H04M 710

Patent

active

039872408

ABSTRACT:
A direct current power supply system for providing power, including standby, to coaxial cable amplifiers in community antenna television networks. Alternating current is rectified and used to power coaxial cable amplifiers spaced along the cable and to maintain a full charge on a storage battery which is continually connected to the input of the cable. In the event of failure of the commercial primary power source, the battery feeds power to the cable amplifiers. Provision may be made for selectively reversing the output of the power supply to insure that there will be no corrosion deposits caused by electrolysis. Finally, the invention also provides circuitry for protecting the storage battery from excessive discharge during power failures of long duration.

REFERENCES:
patent: 2820157 (1958-01-01), Reike
patent: 2820181 (1958-01-01), Bowman et al.
patent: 3512044 (1970-05-01), Jones
patent: 3699250 (1972-10-01), Bunting
patent: 3740738 (1973-06-01), Kosanovich

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