Drive circuit for a light-emitting diode light source

A controllable lighting device may utilize a controllable impedance circuit to conduct a load current through an LED light source. The controllable impedance circuit may be coupled in series with a first switching device, which may be rendered conductive and non-conductive via a pulse-width modulate...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Newman, Jr., Robert C, DeJonge, Stuart W
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PULSE TECHNIQUE
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