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    • 3. 发明授权
    • Acoustic vibration generating element
    • 声振动元件
    • US08107646B2
    • 2012-01-31
    • US11961799
    • 2007-12-20
    • Mitsuo Tamura
    • Mitsuo Tamura
    • H04R25/00
    • H04R17/00H04R17/10H04R2460/13H04R2499/11
    • In an acoustic vibration generating element, a piezoelectric bimorph element or unimorph element is covered with a covering member of a flexible material at least on two surfaces perpendicular to a thickness direction. The covering member may be provided with a plurality of V-shaped grooves so as to improve a generated vibrating force. Alternatively, the covering member may be provided with an air chamber in the vicinity of a surface of one side so as to prevent sound leakage. Further, the covering member and an earhook may be integrally formed by the flexible material so as to achieve a light-weight acoustic vibration generating element suitable for a bone conduction speaker.
    • 在声振动发生元件中,至少在垂直于厚度方向的两个表面上,用柔性材料的覆盖部件覆盖压电双晶片元件或单晶片元件。 覆盖构件可以设置有多个V形槽,以便改善产生的振动力。 或者,覆盖构件可以在一侧的表面附近设置有空气室,以防止声音泄漏。 此外,覆盖构件和耳钩可以由柔性材料一体地形成,以便实现适用于骨传导扬声器的轻量级声振动产生元件。
    • 6. 发明申请
    • ACOUSTIC VIBRATION GENERATING ELEMENT
    • 声学振动发生元件
    • US20080107290A1
    • 2008-05-08
    • US11961799
    • 2007-12-20
    • Mitsuo Tamura
    • Mitsuo Tamura
    • H04R25/00H04R1/10
    • H04R17/00H04R17/10H04R2460/13H04R2499/11
    • In an acoustic vibration generating element, a piezoelectric bimorph element or unimorph element is covered with a covering member of a flexible material at least on two surfaces perpendicular to a thickness direction. The covering member may be provided with a plurality of V-shaped grooves so as to improve a generated vibrating force. Alternatively, the covering member may be provided with an air chamber in the vicinity of a surface of one side so as to prevent sound leakage. Further, the covering member and an earhook may be integrally formed by the flexible material so as to achieve a light-weight acoustic vibration generating element suitable for a bone conduction speaker.
    • 在声振动发生元件中,至少在垂直于厚度方向的两个表面上,用柔性材料的覆盖部件覆盖压电双晶片元件或单晶片元件。 覆盖构件可以设置有多个V形槽,以便改善产生的振动力。 或者,覆盖构件可以在一侧的表面附近设置有空气室,以防止声音泄漏。 此外,覆盖构件和耳钩可以由柔性材料一体地形成,以便实现适用于骨传导扬声器的轻量级声振动产生元件。