此項發明涉及專為射頻識別系統主動式標籤而設的微型折合式偶極子天線，並可與毫 .....
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This invention involves a kind of sensor used to detect markers in samples. The sensor uses high-frequency piezoelectric ceramic oscillator chip (500kHz-1GHz) as the inductor to detect the change of resonance frequency.This invention involves a method used to detect and evaluate the number of one or.....
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The ever increasing demands for higher data rate wireless transmission for video conferencing, mobile internetworking and multi-media streaming have driven the employment of complex envelope modulation methods (e.g. WCDMA, OFDM and QAM) in the current 3G and next generation mobile systems. This tren.....
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Speed sensors are customarily used to detect the speed of power electronic driven motors, but that speed sensors could render the motor drive system unreliable. However, there are very few detection devices other than speed sensors that can generate readings when the motor drives are in a resting mo.....
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The invention relates to a patch antenna with a very wide bandwidth, and which is specially designed for mobile vehicle communication. The antenna is made up of a power feeder and a folding component. With a bandwidth covering 1.78 GHz to 3.6 GHz, the antenna can support 2G, 3G, wireless LAN, Blueto.....
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