Electronic devices equipped with solar cell charging circuits may use this new technology to perform wireless charging. Unlike wireless charging based on electromagnetic coupling, this technology can minimize interference to other devices sensitive to electromagnetic waves. Wireless charging is not .....
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In this project, we draw upon the expertise and facilities of State Key Laboratory of Millimeter Waves at CityU, Comba Telecom System (Guangzhou) Limited and Jackson Manufactory Dongguan Limited to collaborate on the development of an enabling technology in wideband adaptive radio frequency (RF) sub.....
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Conventional printed circuit boards (PCBs) cannot provide a sufficient bandwidth to meet the requirement of high transmission speed in future telecommunications and computing systems. The objective of the project is to develop optical PCBs, where all high-speed data is transmitted by optical wavegui.....
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The invention concerns a method and apparatus for controlling the output phase of a voltage controlled oscillator (VCO) for use in antenna arrays for receiving radio signals. Such arrays can converge energy, receive signals, and reject interference. Beam-forming techniques using phase shifters are u.....
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SMS (Short Message Service) provides direct and instant communication among mobile phone users and has become an extremely popular communication tool nowadays. However, during the transmission of SMS, the message could be logged by the service provider or eavesdropped by a third party. An SMS mess.....
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