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  2. Hydrargyrum medium-arc iodide lamp - Wikipedia

    en.wikipedia.org/wiki/Hydrargyrum_medium-arc...

    The square-wave nature of the power flow allows lamp life to be extended by as much as 20%. Most modern ballasts are now also equipped with a dimmer, which uses pulse-width modulation to dim the lamp up to 50%, or as much as one stop of light. Unlike a tungsten-based light, which has a negative color temperature shift with a drop in power, the ...

  3. Infrared lamp - Wikipedia

    en.wikipedia.org/wiki/Infrared_lamp

    The development of quartz halogen linear lamps allowed much higher power density up to 200 watts/inch of lamp (8 w/mm), useful for industrial heating, drying and processing applications. [3] By adjusting the voltage applied to incandescent lamps, the spectrum of the radiated energy can be made to reduce visible light and emphasize infrared ...

  4. Electrical ballast - Wikipedia

    en.wikipedia.org/wiki/Electrical_ballast

    Systems with remote control of light level via a wireless mesh network have been introduced. [5] ... (and for 100–120 V lamps up to about 30 watts).

  5. Light-emitting diode - Wikipedia

    en.wikipedia.org/wiki/Light-emitting_diode

    Close-up image of a surface-mount LED Close-up of an LED with the voltage being increased and decreased to show a detailed view of its operation A bulb-shaped modern retrofit LED lamp with aluminum heat sink, a light diffusing dome and E27 screw base, using a built-in power supply working on mains voltage

  6. Standby power - Wikipedia

    en.wikipedia.org/wiki/Standby_power

    Many devices with "instant-on" functions that respond immediately to user action without warm-up delay. Commonly used LED strips and such low power household lights. Electronic and electrical devices in standby mode that can be woken by a remote control, e.g. some air conditioners, audio-visual equipment such as a television receiver

  7. RDM (lighting) - Wikipedia

    en.wikipedia.org/wiki/RDM_(lighting)

    Remote Device Management (RDM) is an addition to the DMX512 control protocol for stage lighting equipment, introduced in 2006. DMX512 was developed in the late 1980s as a standard protocol for lighting consoles to communicate with dimmers , but has since been used for more complex applications, including the control of intelligent lighting ...

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