Controlled current generator for operating light emitting diodes

Details Controlled current generator for operating light emitting diodes Controlled current generator for operating light emitting diodes

1999-04-27

2000-09-12

Han, Jessica

Electricity: power supply or regulation systems

Self-regulating

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

323277, 315287, G05F 308

Patent

active

061182591

ABSTRACT:
A circuit for operation of a semiconductor light source having terminals for connecting a source of power and output terminals for connecting the semiconductor light source. The circuit is also provided with a controlled current generator and is also concerned with a signal head incorporating the circuit. The controlled current generator is controlled by the current flow through the semiconductor light source and the current supplied by the controlled current generator.

REFERENCES:
patent: 3784844 (1974-01-01), McGrogan, Jr.
patent: 3944854 (1976-03-01), Keller
patent: 4394603 (1983-07-01), Widmayer
patent: 4528492 (1985-07-01), Inaniwa et al.

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