Responsive to malfunctions or to light source life; for protection

Full Title

Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant > Responsive to malfunctions or to light source life; for protection

Classification Context

Section:

ELECTRICITY

Class:

ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Subclass:

ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL

Child Classifications

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• H05B 47/21 of two or more light sources connected in parallel
• H05B 47/23 of two or more light sources connected in series
• H05B 47/24 Circuit arrangements for protecting against overvoltage
• H05B 47/25 Circuit arrangements for protecting against overcurrent
• H05B 47/26 Circuit arrangements for protecting against earth faults
• H05B 47/28 Circuit arrangements for protecting against abnormal temperature
• H05B 47/29 Circuits providing for substitution of the light source in case of its failure