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    • 42. 发明申请
    • Piezoelectric isolating transformer
    • 压电隔离变压器
    • US20060087199A1
    • 2006-04-27
    • US10971169
    • 2004-10-22
    • John LarsonStephen GilbertKen Nishimura
    • John LarsonStephen GilbertKen Nishimura
    • H01L41/107
    • H02M3/24H01L41/107
    • The piezoelectric isolating transformer is characterized by an operating frequency range and includes a resonant structure having at least one mechanical resonance in the operating frequency range. The resonant structure has an insulating substrate, a first electro-acoustic transducer and a second electro-acoustic transducer. The substrate has a first major surface and a second major surface opposite the first major surface. The first electro-acoustic transducer is mechanically coupled to the first major surface. The second electro-acoustic transducer is mechanically coupled to the second major surface. One of the transducers is operable to convert input electrical power in the operating frequency range to acoustic energy that excites mechanical vibration in the resonant structure. The other of the transducers converts the mechanical vibration to output electrical power.
    • 压电隔离变压器的特征在于工作频率范围,并且包括在工作频率范围内具有至少一个机械谐振的谐振结构。 谐振结构具有绝缘基板,第一电声换能器和第二电声换能器。 衬底具有与第一主表面相对的第一主表面和第二主表面。 第一电声换能器机械耦合到第一主表面。 第二电声换能器机械耦合到第二主表面。 换能器中的一个可操作以将工作频率范围内的输入电力转换成激发谐振结构中的机械振动的声能。 另一个换能器将机械振动转换成输出电力。