Excitation-demagnetization device with safety protection

The present invention relates to an excitation and deexcitation equipment with safety protection, and is characterized by that it utilizes a transistor of an excitation circuit to amplify the signal sent out by microprocessor and produce a continuously-supplied current to make the TRIAC be in conduc...

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1. Verfasser: SHUXIA LIAO
Format: Patent
Sprache:eng
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