The principle, discharge circuit and waveform of the capacitive electronic non-contact ignition are briefly introduced. The application and block diagrams of it are also given.

概要介绍电容式无触点电子点火的原理，电容放电的回路及其波形，给出了电容式无触点电子点火的框图，阐述了在我国汽车工业中应用的前景。

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It expounds how to use non-contact switch to stop the short circuit of the electric apparatus and lamp circuits etc. from sparking, and shows experimental and practical parameters.

阐明了如何使用无触点开关来防止电器线路及灯具等短路产生的火花，并给出了实验和实用参数。

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Method of calculation for the non-contact IC card chip coupling power supply and the read and write distance were analyzed, and the relative low-voltage circuit designs were introduced.

分析了非接触式IC卡芯片耦台电源及读写距离的计算方法，并简要介绍了相关低压电路的设计技术。

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