Constant current switch

Details Constant current switch Constant current switch

1979-08-31

1981-09-08

Shoop, William M.

Electricity: power supply or regulation systems

Input level responsive

Using a linearly acting final control device

323349, G05F 500

Patent

active

042887402

ABSTRACT:
A constant current switch for controlling a generally constant switchable load current with fluctuating voltage comprises a first transistor connected in to the current branch of the load circuit and having a voltage divider in parallel to its control path for measuring its control voltage and a second transistor connected to the control input of the switch and to the voltage divider.

REFERENCES:
patent: 4020367 (1977-04-01), Yamashiro et al.
patent: 4074181 (1978-02-01), Crowle
patent: 4160944 (1979-07-01), Ahmed

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