The rapid growth of telecommunication gives rise to an ever-increasing demand for patch antennas with wide impedance bandwidth. The patch antenna invented by CityU is equipped with a pair of folded feed plates that serve as a wideband impedance matching device. It can achieve an impedance bandwidth .....
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The present invention provides a preventive or therapeutic agent for cerebral ischemic injury or cerebral ischemic reperfusion injury in stroke such as cerebral infarction and cerebral hemorrhage which exerts its effect through a different mechanism from that of conventional therapeutic agents and c.....
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This technology is a dynamic output compensator that can significantly improve the dynamic response of voltage regulators. The key advantage of the compensation method is that it is not necessary to redesign the power conversion stage and controller existing in voltage regulators. It only requires .....
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An AC to AC power conversion apparatus with constant power feeding characteristics to fluorescent lamp or HID lamp is described. The constant power characteristic is achieved by discontinuous mode operation of capacitor coupled in series with the load. Packets of energy are pumped out to the load in.....
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The present invention relates to the automatic detection of faults in fabric material. Linear limited pulse response filter with optimal energy separating capacity is used. The detection of industrial product includes the following steps: automatic design of optimal filters, filtering the collected .....
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