LED current pulse limiter arrangement

Details LED current pulse limiter arrangement LED current pulse limiter arrangement

2005-08-16

2008-10-28

Vu, David Hung (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S244000, C315S283000

Reexamination Certificate

active

07443109

ABSTRACT:
An arrangement for supplying a constant current to at least one LED includes a current source (2; 2a,2b) with an output capacitor (3) connected across the terminals of the current source. An output inductor (4) is associated with the output capacitor (3) whereby the current supplied flows through the inductor (4). A smoothing resistor (5) is preferably connected in parallel to the output inductor (4).

REFERENCES:
patent: 5459478 (1995-10-01), Bolger et al.
patent: 5907569 (1999-05-01), Glance et al.
patent: 6040663 (2000-03-01), Bucks et al.
patent: 6388393 (2002-05-01), Illingworth
patent: 6826059 (2004-11-01), Bockle et al.
patent: 2005/0151518 (2005-07-01), Schneiker et al.
patent: 62-209875 (1987-09-01), None

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