Device for regulating a voltage drop across a load

Details Device for regulating a voltage drop across a load Device for regulating a voltage drop across a load

1994-09-26

1996-11-05

Hecker, Stuart N.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

G05F 140

Patent

active

055721117

ABSTRACT:
A device for regulating a voltage drop across a load, particularly an electromagnetic load, includes an actuator connected in series with the load, a ground and a supply voltage. A first current balancing circuit provides an actual current which corresponds to the voltage across the load. A current source establishes a desired current. A second current balancing circuit provides a signal for actuation of the actuator as a function of a comparison of the actual current with the desired current, the actuator thereby regulating the voltage across the load.

REFERENCES:
patent: 2888632 (1959-05-01), Livezey
patent: 2991407 (1961-07-01), Murphy
patent: 3549983 (1970-12-01), Sprogis
patent: 5175489 (1992-12-01), Yasuo
patent: 5237262 (1993-08-01), Ashley et al.
patent: 5491401 (1996-02-01), Inoue et al.

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