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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An innovative solar energy collection apparatus designed for mobile communication devices is proposed in this patent. The apparatus comprises a dual function antenna that simultaneously collect solar energy and facilitate wireless communication. The antennas comprise reflective ground planes and a r.....
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The technology described in this document provides an E-commerce transaction system and a transaction method for advancing a committed time in the future. Unlike conventional E-commerce transaction technologies, this novel technology allows the validation of the signature before the committed time. .....
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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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The invention relates to circularly polarized (CP) antennas with grating dielectric elements acting as a polarizer to convert a linearly polarized omnidirectional radiation pattern from a monopole antenna to an omnidirectional CP radiation pattern. A prototype with parallelepipeds, having a very wid.....
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