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High voltage generating apparatus

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专利汇可以提供High voltage generating apparatus专利检索,专利查询,专利分析的服务。并且In a high voltage generating apparatus utilizing a piezoelectric transformer element driven by an AC voltage, the resonance frequency of the piezoelectric transducer element is varied by connecting a variable capacitor of small capacity between the output electrode of the piezoelectric transformer element and the ground.,下面是High voltage generating apparatus专利的具体信息内容。

1. A high voltage generating apparatus comprising a piezoelectric transformer element including a substrate of piezoelectric substance, a pair of driving electrodes applied on the opposite surfaces of one end of said substrate, an output electrode applied to the opposite end surface of said substrate, a driving source for applying an AC driving voltage across said driving electrodes, and a capacitor connected between said output electrode and ground, said capacitor having a capacitance in the range of from approximately 0.1 to approximately 3 picofarads.
2. The high voltage generating apparatus as recited in claim 1 wherein said capacitor is a variable capacitor adapted to vary within said range.
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