| 摘要 |
In a high voltage generating apparatus utilizing a piezoelectric transformer having two driving electrodes and an output electrode, a signal of a definite frequency is applied across the driving electrodes via an inductance element, a capacitor is connected in parallel with the driving electrodes to form a resonance circuit together with the inductance element and the resonance frequency of the resonance circuit is made substantially equal to the natural resonance frequency of the piezoelectric transformer which is equal to an odd higher harmonic of the signal frequency.
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