enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Fluorescent-lamp formats - Wikipedia

   en.wikipedia.org/wiki/Fluorescent-lamp_formats

   Sunset White ≈85 2500 ELR, ELC 827, 828 Extra Warm white ≈85 2700, 2800 EX-L, EL, ELK 830 Warm White ≈85 3000 ELW 832 Warm White ≈85 3200 EX-WW, EWW 835 Neutral White ≈85 3500 EW38 838 Neutral White ≈85 3800 EX-W, EW 840, 841, 842 Cool White ≈85 4000, 4100, 4200 EX-N, EN 850 Natural Daylight ≈85 5000 ENW, ENM, ENC 852, 853

3. Fluorescent lamp - Wikipedia

   en.wikipedia.org/wiki/Fluorescent_lamp

   In 1895 Daniel McFarlan Moore demonstrated lamps 2 to 3 meters (6.6 to 9.8 ft) in length that used carbon dioxide or nitrogen to emit white or pink light, respectively. They were considerably more complicated than an incandescent bulb, requiring both a high-voltage power supply and a pressure-regulating system for the fill gas.

4. Stage lighting instrument - Wikipedia

   en.wikipedia.org/wiki/Stage_lighting_instrument

   LED fixtures typically come with multiple colors of LED lights. Color theory shows that mixing the primary colors of light will make white light. Therefore, through color mixing, LED's can form a wide variety of colors from white light to deep primary colors to many others. This reduces the time taken to change the color of an already hung fixture.

5. Light-emitting diode - Wikipedia

   en.wikipedia.org/wiki/Light-emitting_diode

   Some products are RGBWW, i.e. RGBW with tunable white. [39] A final class of white LED with mixed light is dim-to-warm. These are ordinary 2700K white LED bulbs with a small red LED that turns on when the bulb is dimmed. Doing so makes the color warmer, emulating an incandescent light bulb. [39]

6. Parabolic aluminized reflector - Wikipedia

   en.wikipedia.org/wiki/Parabolic_aluminized_reflector

   In situations where sunlight or other specular light is available, a white foam reflector is often used to accomplish the same effect as a PAR array. PAR cans are being replaced in some stage applications by LED stage lighting , which use less electric power and produce a wide array of saturated colors without the use of color filters, when ...

7. Batten - Wikipedia

   en.wikipedia.org/wiki/Batten

   Battens are also used in metal roofing to secure the sheets called a batten-seam roof and are covered with a batten roll joint. [2] Some roofs may use a grid of battens in both directions, known as a counter-batten system, which improves ventilation. Roofing battens are most commonly made of wood or metal, but can be made of other materials.