TREA

Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application

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Industry

  • CPC
  • H05B39/00
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Parent Industries

HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR

Current Industry

H05B39/00Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application

Sub Industries

H05B39/02Switching on H05B39/04Controlling H05B39/041the light-intensity of the source H05B39/042by measuring the incident light H05B39/044continuously H05B39/045with high-frequency bridge converters H05B39/047with pulse width modulation from a DC power source H05B39/048with reverse phase control H05B39/06Switching arrangements H05B39/08by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices H05B39/081by measuring the incident light H05B39/083by the variation-rate of light intensity H05B39/085by touch control H05B39/086with possibility of remote control H05B39/088by wireless means H05B39/09in which the lamp is fed by pulses H05B39/10Circuits providing for substitution of the light source in case of its failure H05B39/105with a spare lamp in the circuit, and a possibility of shunting a failed lamp
Industries

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