Patent classifications
H
ELECTRICITY
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H05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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H05B
ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
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45/00
Circuit arrangements for operating light-emitting diodes [LED]
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H05B45/50
responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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