Current regulating circuit for an electric consumer

Details Current regulating circuit for an electric consumer Current regulating circuit for an electric consumer

1982-08-25

1985-01-08

Shoop, William M.

Electricity: power supply or regulation systems

Output level responsive

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

123472, 123490, 361152, 323351, G05F 156

Patent

active

044929137

ABSTRACT:
A so-called current-regulated end stage for electromagnetic consumers such as magnetic valves or electromagnetic final control elements is provided, in which a field effect transistor takes over the functions of the switch and of the current measuring resistor. When the field effect transistor is conductive, the voltage over a capacitor is made to follow the current flowing through the consumer, and when the field effect transistor is blocked, the flow of current through the free-running circuit is simulated via the capacitor discharge. Both a singlefold and a multiple realization are disclosed, the latter using multiple examples of an RC member and a threshold switch.

REFERENCES:
patent: 4360855 (1982-11-01), Ohba
patent: 4429339 (1984-01-01), Jaeschke et al.

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