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2. 3-way lamp - Wikipedia

   en.wikipedia.org/wiki/3-way_lamp

   A 3-way lamp, also known as a tri-light, is a lamp that uses a 3-way light bulb to produce three levels of light in a low-medium-high configuration. A 3-way lamp requires a 3-way bulb and socket, and a 3-way switch. In 3-way incandescent light bulbs, each of the filaments operates at full voltage. Lamp bulbs with dual carbon filaments were ...

3. Dimmer - Wikipedia

   en.wikipedia.org/wiki/Dimmer

   A common dual dimmer module used in stage lighting A dimmer. A dimmer is a device connected to a light fixture and used to lower the brightness of the light.By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output.

4. Stroboscopic effect - Wikipedia

   en.wikipedia.org/wiki/Stroboscopic_effect

   The temporal light modulation may come from fluctuations of the light source itself or may be due to the application of certain dimming or light level regulation technologies. Another cause of light modulations may be lamps with unfiltered pulse-width modulation type external dimmers. Whether this is so may be tested with any quickly-rotating ...

5. Wolfspeed - Wikipedia

   en.wikipedia.org/wiki/Wolfspeed

   XLamp 7090 XR-E Q4 9.5 watt 800 lumen dimmable lamp bulb, with 2700 K color temperature, introduced in March 2013 Cree Research was founded in July 1987 in Durham, North Carolina . Five of the six founders – Neal Hunter, Thomas Coleman, John Edmond, Eric Hunter, John Palmour , and Calvin Carter – are graduates of North Carolina State ...

6. Intelligent lighting - Wikipedia

   en.wikipedia.org/wiki/Intelligent_lighting

   In 1969, Jules Fisher, from Casa Mañana area theatre in Texas saw the invention and use of 12 PAR 64 lanterns with 120 W, 12 V lamps fitted, 360 degrees of pan and 270 degrees of tilt, a standard that lasted until the 1990s. This lamp was also known as the 'Mac-Spot' [1] In Bristol in 1968, progress was also being made, mainly for use in live ...

7. Touch-sensitive lamp - Wikipedia

   en.wikipedia.org/wiki/Touch-sensitive_lamp

   Video demonstrating the operation of a touch-sensitive lamp. A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may ...