Driver circuit for driving a plurality of DC lamp strings

Details Driver circuit for driving a plurality of DC lamp strings Driver circuit for driving a plurality of DC lamp strings

2006-10-17

2006-10-17

Phan, Tho (Department: 2821)

Electric lamp and discharge devices: systems

Plural series connected load devices

Christmas lights

C315S216000, C315S291000, C315S297000, C315S194000, C315S129000, C315S247000, C315S300000, C315S302000

Reexamination Certificate

active

07122971

ABSTRACT:
A driver circuit for a DC light source supplies a voltage generated by a DC-to-DC converter for a plurality of lamp strings connected in parallel and a plurality of driving currents generated by a current mirror for the lamp strings, such that the lamp strings may have well controlled or uniform brightness.

REFERENCES:
patent: 6864641 (2005-03-01), Dygert

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