Piezoelectric actuator driver circuit

In a piezoelectric actuator driver circuit, a resistor provided to detect current is inserted in a current path for a piezoelectric actuator. A signal of a decreased voltage of the resistor is subjected to positive feedback to an amplifier circuit via a band-pass filter. An output signal of the ampl...

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Bibliographische Detailangaben

Hauptverfasser:	Kamitani, Gaku, Tabata, Toshinari
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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