Current limiting method and apparatus

Details Current limiting method and apparatus Current limiting method and apparatus

1990-03-15

1993-03-02

Voeltz, Emanuel T.

Electricity: power supply or regulation systems

External or operator controlled

Using an impedance as the final control device

323273, 323282, 323351, G05F 100

Patent

active

051912791

ABSTRACT:
A method and apparatus for providing a substantially constant current from a voltage source. The apparatus includes a depletion mode transistor connected to a parallel network of resistors. At least one of the resistors is provided with a series fusible link so as to enable removal of one or more of the resistors from the network and adjust the output of the current limiter to a desired value.

REFERENCES:
patent: 4016483 (1977-04-01), Rudin
patent: 4364006 (1982-12-01), Makabe et al.
patent: 4412241 (1983-10-01), Nelson
patent: 4713599 (1987-12-01), Davis
patent: 4766366 (1988-08-01), Davis
patent: 4860072 (1989-08-01), Zommer
patent: 4868416 (1989-09-01), Fitzpatrick et al.
patent: 4978904 (1990-12-01), Fitzpatrick et al.
IBM Technical Disclosure Bulletin, vol. 13, No. 11, Apr. 1971, pp. 3549-3550, H. Ottesen.
Evans, Designing with Field-Effect Transistors (1981) pp. 245-254.

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