Direct current stabilizing device

Details Direct current stabilizing device Direct current stabilizing device

1975-01-22

1976-08-31

Pellinen, A. D.

Electricity: power supply or regulation systems

Remote sensing

323 22Z, G05F 158

Patent

active

039783910

ABSTRACT:
Current stabilizing device constituted by a two-terminal network in series with a load to be fed. The two-terminal network comprises, in series between its two poles a regulating transistor and a resistor, the regulating transistor being controlled by the current collector of another transistor whose base current is controlled by the difference between a stabilized voltage taken at the terminals of a voltage stabilizing diode through which a current which is itself stabilized flows and the voltage drop across the resistor; several two-terminal networks may be connected together in series. The device is particularly applicable to the stabilization of the remote feeding current for repeaters in telephone cables which are not accessible, for example, submarine telephone cables.

REFERENCES:
patent: 2978630 (1961-04-01), de la Tour
patent: 3246233 (1966-04-01), Herz
patent: 3434038 (1969-03-01), Vette
patent: 3652922 (1972-03-01), Healey et al.
patent: 3881150 (1975-04-01), Gay

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