CityU inventors have developed an apparatus that can operate with electronic ballasts to drive DC-powered lighting equipment such as LED lamps, halogen lamps and incandescent lamps. Lamps installed with this apparatus do not need to substitute existing electronic ballasts with LED ballasts. The prop.....
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Base station antennas, set up to support wireless communications, abound in our surroundings but they are regarded by many as a health threat and therefore avoided. To mitigate the aversion felt towards base station antennas, the antennas are often hidden or camouflaged from the sight of passers-by......
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Heart diseases (mainly coronary heart disease) are the second leading killer disease category in Hong Kong since 1960s. About 12 persons per day died from the coronary heart disease in 2009. Thus, the long-term and efficient measurement of electrocardiography (ECG) for chronic heart disease patients.....
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We have developed a method for automatic calibration of an active vision system which consists of a DLP projector and a color CCD camera. The projector projects a bundle of structured light on objects and the camera records the reflected light as an image. The image is then used to calibrate the sys.....
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The introduction of T5 (High-efficiency) and T5 (High-output) fluorescent lamps has increased the types of commonly used tubular fluorescent lamps from 9 to 18. Since each type of lamp must be powered by a specific ballast design, ballast manufacturers have to design 18 types of ballasts to cover th.....
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