| 摘要 |
FIELD: electricity. ^ SUBSTANCE: piezoelectric transducer is proposed, where piezoelectric element is used to replace conventional capacitor because of characteristic of mechanical resonance of the above piezoelectric element. At that, the above piezoelectric element can have the volume which is larger than that of the above conventional capacitor, and parasitic resistance of the above piezoelectric element is less than that of common capacitor. By means of resonance between inductive element added from the outside and piezoelectric capacitor and the above resonance of the above piezoelectric element itself, the above piezoelectric element is capable of effective supply of electric power; thus, high output is achieved. So, the above piezoelectric capacitor is capable of eliminating the disadvantages of the above conventional capacitors, such as low resistance to the impact of voltage, high loss current and low output power. ^ EFFECT: providing higher output power. ^ 22 cl, 19 dwg |
