The invention relates to a method of manufacturing ballasts for high voltage discharge lamps. The method provides the passive LC ballast with an inductance and capacitance derived from a non-linear model. The purpose is to ensure that the lamp operates at a pre-determined lamp power. The ballast is .....
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CityU researchers have developed an efficient thermoelectric modular design for converting heat energy into electrical power. The team aims to identify high-performance thermoelectric materials and to minimize cost. A new nanomaterial is developed for the said purpose. Thermoelectric materials can b.....
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Volatile organic compounds (VOCs) emitted by furniture and homecare products could lead to sick building syndrome and physical ailments such as heart diseases, respiratory diseases, and cancers. Effective methods to purify air in built environments are therefore in great demand. The invention disclo.....
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Organic photovoltaic (OPV) cells have received a surge of interest as a low-cost, flexible, large-area, and renewable energy source. Regioregular polythiophene and fullerene blend is one of the most promising candidates for realizing practical high-efficiency polymer photovoltaic application. On the.....
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This invention relates in general to real-time voice and video communication over the Internet, and in particular, to systems for managing the voice and video streams when conversational speech patterns are considered. A SAVV client and corresponding SAVV algorithms are proposed. The SAVV client can.....
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