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Glass display window, protect the products when it is non-transparent, and may be used for projection to introduce products; when it is transparent, it may be used for store advertising. Smart glass can be used as a switchable projection screen on a store window for advertising.
In a cathode-ray tube television, the reduced output voltage will make the screen image smaller, dimmer and fuzzier. A linear DC regulated supply will maintain the output voltage unless the brownout is severe and the input voltage drops below the drop out voltage for the regulator, at which point the output voltage will fall and high levels of ...
Electrochromic mirrors use a combination of optoelectronic sensors and complex electronics that monitor both ambient light and the intensity of the light shining on the surface. As soon as glare makes contact with the surface, these mirrors automatically dim reflections of flashing light from following vehicles at night so that a driver can see ...
Take a trip down memory lane with by looking at these incredible photos of Christmas window displays from the last 100 years, ... A giant stocking decked out with lights has the attention of ...
The image of light sources reflected in the screen can cause the human visual system to focus on that image, which is usually at a much farther distance than the information shown on the screen. This competition between two images that can be focused is considered to be the primary source of such effects.
Plains. A few white Christmas wishes came true in the Plains last year. Pierre, South Dakota, had 2 inches on the ground, and 4.2 inches of snow fell during the day.
On-screen displays are also used in camcorders, and can display various information both on the viewfinder and on the TV set the camcorder is connected to. The complexity of graphics offered by such displays has greatly increased over the years, from simple monochrome images to intricate graphical user interfaces .
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