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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39/00
Circuit arrangements or apparatus for operating incandescent light sources
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H05B39/08
by shifting phase of trigger voltage applied to gas-filled controlling tubes; also in controlled semiconductor devices
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H05B39/083
by the variation-rate of light intensity
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H05B39/086
with possibility of remote control
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H05B39/088
by wireless means, e.g. infrared transmitting means
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