Power supply circuit for a diode adapted to emit light in depend

Details Power supply circuit for a diode adapted to emit light in depend Power supply circuit for a diode adapted to emit light in depend

1988-03-29

1989-02-14

Wong, Peter S.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

323906, 250214AL, 250206, H02J 700

Patent

active

048048585

ABSTRACT:
A power supply circuit for a light emitting diode may be adjusted automatically by the voltage of a solar cell which is a power source in the circuit by including in the circuit a series connected current regulator governed by said voltage of said solar cell.

REFERENCES:
patent: 1938184 (1933-12-01), Kwartin
patent: 3700336 (1972-10-01), Clegg
patent: 4136309 (1979-01-01), Galberth et al.
patent: 4163150 (1979-07-01), Stankewitz
patent: 4273990 (1981-06-01), Pierpoint
patent: 4314198 (1982-02-01), Rogers
patent: 4330706 (1982-05-01), Lawenhaupt
patent: 4714868 (1987-12-01), Maruyama et al.
patent: 4725740 (1988-02-01), Nakata
patent: 4742291 (1988-05-01), Bobier et al.

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