Utilizing a light bulb as the light source, the light is reflected from a small DMD to the screen.
Thanks to an energy saving LED light source, the light-weight presenters offer a long battery life of up to 80 minutes.
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Junior Seau was a source of light and life until injuries from football snuffed that out.
But while it lasted, work was a wellspring, a real source of light, the nurture of a beloved community.
More than just supplying a battery-free source of light, though, the lantern can function as a charger, thanks to a USB port built into the casing.
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One recent evening, almost the only source of light in the town's commercial district was Harry's Lobster House, which has been serving lobster bisque since 1933.
LatticePower, started by a physicist with skills and experience honed in China, is a good example of this new trend with its breakthrough technology for making a highly efficient source of light.
But, like the Nook, the light source creates a problem: blossoms of LED light appear at the bottom of the screen.
The key advantage for OLED is that the panel itself emits light, eliminating the need for a light source behind it and keeping the overall structure very thin and light.
Of the nine patients included in the trial, 8 out of the 9 were able to perceive light, and 7 out of 9 were able to definitely find the source of that light. 6 out of 9 had a significant portion of their vision restored, with some patients able to read letters out of books and also distinguish facial features.
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The glasses are equipped with a near-infrared light source, which confuses the software without affecting vision.
The wire could therefore be switched on and off by the external light source.
It catches even the dimmest light source and reflects it back with a bright flash.
Instead, cut a hole in the bottom of the pumpkin for your candle or other light source.
While LCD screens need a backlight to illuminate their crystals, OLED does not need a separate light source.
The light source is polarized by a Polarized Beam Splitter and reflects off of each of the chips.
At one end of the tube is a source of ultraviolet light and at the other a detector.
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When combined with a suitable light source and projection optics, the array of mirrors can project an image.
His nanocrystals are not yet quite true lasers since these require that the light source be surrounded by mirrors.
Capturing great audio with an external microphone and adding a light source to improve the picture are all important too.
Software is altering the way lights are used every day, just as LEDs are changing the source of that light.
Methods are already being developed to implant a light source inside the body which could be activated by remote control.
"LEDs are the most efficient light source currently available, and are increasingly used in domestic, commercial and automotive applications, " said Mr Russill.
Over the past decade, they have become much more widely used as a light source as they are both bright and efficient.
They began to search actively for the signal, eventually achieving perfect scores in tracking and identifying the correct location of the invisible light source.
The company is also promising stronger backlighting, since the keys sit close to the substrate and there aren't rubber domes blocking the light source.
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Called Paperwhite, the new model has a black and white screen and comes with a light source which enables reading in a dark environment.
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Looking at the Nook for a second, you can immediately isolate the top as the light source, with a stronger concentration and somewhat even distribution.
The light source provides eight hours of electricity per dose of saline water, and the lantern comes with a dedicated water bag for mixing the solution.
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They taught the rats to choose the active light source by poking their noses into a port to receive a sip of water as a reward.
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