TREA

Changing the characteristics or distribution of the light emitted by adjustment of parts or by interposition of elements with electrically controlled variable light transmissivity

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Industry

  • CPC
  • F21V14/00
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F21Lighting F21VDETAILS OF LIGHTING DEVICES, OF GENERAL APPLICATION

Current Industry

F21V14/00Changing the characteristics or distribution of the light emitted by adjustment of parts or by interposition of elements with electrically controlled variable light transmissivity

Sub Industries

F21V14/003by interposition of elements with electrically controlled variable light transmissivity F21V14/006by means of optical elements F21V14/02by movement of light sources F21V14/025in portable lighting devices F21V14/04by movement of reflectors F21V14/045in portable lighting devices F21V14/06by movement of refractors F21V14/065in portable lighting devices F21V14/08by movement of the screens or filters F21V14/085in portable lighting devices
Industries