Four-wire interface regulator for long distance trunk circuits

Details Four-wire interface regulator for long distance trunk circuits Four-wire interface regulator for long distance trunk circuits

1973-11-29

1976-03-02

Olms, Douglas W.

1791702, H04B 336

Patent

active

039419487

ABSTRACT:
A four-wire interface regulator for long distance trunk circuits is provided in which the interface regulator separates the components of a conventional local plant output signal to change the relative magnitude of the components to deliver any desired output with a minimum variability to drive long distance trunk circuits.

REFERENCES:
patent: 3483335 (1969-12-01), Piotrowski
patent: 3567873 (1971-03-01), Peroni
patent: 3585311 (1971-06-01), Berkley et al.
patent: 3699271 (1972-10-01), Berkley et al.

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