Transmission system with balanced bridge to prevent low frequenc

Details Transmission system with balanced bridge to prevent low frequenc Transmission system with balanced bridge to prevent low frequenc

1975-10-02

1977-05-17

Claffy, Kathleen H.

179170R, H04B 344

Patent

active

040243567

ABSTRACT:
Transmission system for transmitting signals modulating a carrier between two main stations via parallel coaxial lines the inner conductors and the non-earthed outer conductors of which are connected to the earthed main stations via capacitors. The main stations contain low-frequency signal sources which in parallel with direct-current supply sources are connected to the supply current loop for the repeaters included in the coaxial lines. The low-frequency cross-talk due to the low-frequency signals is suppressed by means of compensating circuits.

REFERENCES:
patent: 2037183 (1936-04-01), Strieby
patent: 3535474 (1970-10-01), Duimelaar
patent: 3868484 (1975-02-01), Bolton et al.

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