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Fiber optic technology is also used in holiday lighting, especially by incorporating it into artificial Christmas trees. Incandescent lamps or LEDs are located in the tree base and many optic fibers extend from the lamps to the ends of the tree branches. [4] [citation needed]
The product may be sold as a kit - the user assembles the tree and plugs it into an electrical outlet - or the dealer may assemble it before the sale. Larger trees usually contain traditional strands of bulb lights or LEDs, while smaller tabletop trees may have fiber-optic branches. Pre-lit trees are categorised under the headings of electrical ...
Fiber optic trees come in two major varieties, one resembles a traditional Christmas tree. [17] The other type of fiber optic Christmas tree is one where the entire tree is made of wispy fiber optic cable, a tree composed entirely of light. [17] David Gutshall, of Johnstown, Pennsylvania, received a patent for the latter type of fiber optic ...
Hybrid solar lighting (HSL) or hybrid lighting systems combine the use of solar with artificial light for interior illumination by channelling sunlight through fiber optic cable bundles to provide solar light into rooms without windows or skylights, and by supplementing this natural light with artificial light—typically LED—as required. [1]
This tree comes in a wide range of sizes, from as small as 4.5 feet to a towering 15-foot option, and it was one of the most full and lush products we tested, with more than 2,000 branch tips on ...
[2] [1] The Christmas tree was adopted in upper-class homes in 18th-century Germany, where it was occasionally decorated with candles, which at the time was a comparatively expensive light source. Candles for the tree were glued with melted wax to a tree branch or attached by pins. Around 1890, candleholders were first used for Christmas candles.