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    • 4. 发明授权
    • Composite mode transducer and cooling device having the composite mode transducer
    • 复合模式换能器和具有复合模式换能器的冷却装置
    • US07683522B2
    • 2010-03-23
    • US12068722
    • 2008-02-11
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • H01L41/08H01L41/09H02N2/00F28G13/00
    • H01L41/0906
    • A composite mode transducer for dissipating heat generated by a heat generating element is disclosed. The composite mode transducer includes a transducing module and connection elements. The transducing module includes first and second transducing elements connected in parallel. The connection elements are connected to resonance nodes of the first and second transducing elements. The first and second transducing elements are driven by a multiple-frequency resonance circuit, to produce resonance vibration of composite modes at resonance vibration frequencies of the system. The resulting advantages by using the composite mode transducer are: elimination of local stress concentration, and enhancement of efficiency, endurance and stability of the system. Accordingly, drawbacks of the prior art are overcome. The present invention further provides a cooling device with the composite mode transducer.
    • 公开了一种用于散热由发热元件产生的热的复合模式换能器。 复合模式换能器包括换能模块和连接元件。 换能模块包括并联连接的第一和第二换能元件。 连接元件连接到第一和第二换能元件的共振节点。 第一和第二转换元件由多频共振电路驱动,以在系统的共振频率处产生复合模式的共振。 通过使用复合模式换能器所产生的优点是:消除局部应力集中,提高系统的效率,耐久性和稳定性。 因此,克服了现有技术的缺点。 本发明还提供一种具有复合模式换能器的冷却装置。
    • 5. 发明授权
    • Composite mode transducer and cooling device having the composite mode transducer
    • 复合模式换能器和具有复合模式换能器的冷却装置
    • US07567015B2
    • 2009-07-28
    • US11594832
    • 2006-11-09
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • H01L41/08
    • H01L41/0906
    • A composite mode transducer for dissipating heat generated by a heat generating element is disclosed. The composite mode transducer includes a transducing module and connection elements. The transducing module includes first and second transducing elements connected in parallel. The connection elements are connected to resonance nodes of the first and second transducing elements. The first and second transducing elements are driven by a multiple-frequency resonance circuit, to produce resonance vibration of composite modes at resonance vibration frequencies of the system. The resulting advantages by using the composite mode transducer are: elimination of local stress concentration, and enhancement of efficiency, endurance and stability of the system. Accordingly, drawbacks of the prior art are overcome. The present invention further provides a cooling device with the composite mode transducer.
    • 公开了一种用于散热由发热元件产生的热的复合模式换能器。 复合模式换能器包括换能模块和连接元件。 换能模块包括并联连接的第一和第二换能元件。 连接元件连接到第一和第二换能元件的共振节点。 第一和第二转换元件由多频共振电路驱动,以在系统的共振频率处产生复合模式的共振。 通过使用复合模式换能器所产生的优点是:消除局部应力集中,提高系统的效率,耐久性和稳定性。 因此,克服了现有技术的缺点。 本发明还提供一种具有复合模式换能器的冷却装置。
    • 9. 发明申请
    • PIEZOELECTRIC PANEL SPEAKER
    • 压电面板扬声器
    • US20120230524A1
    • 2012-09-13
    • US13041676
    • 2011-03-07
    • Yi-Shun CHANGSyh-Yuh CHENG
    • Yi-Shun CHANGSyh-Yuh CHENG
    • H04R17/00
    • H04R17/005H04R7/045
    • A piezoelectric panel speaker has a frame, piezoelectric actuators and a vibrating diaphragm set into the hollow assembly space of the frame. Two corresponding sides of the diaphragm are fixed onto the actuator, and the other two corresponding sides are spaced with said frame. The actuator is fixed onto both sides of the diaphragm, high sound pressure is generated by the diaphragm through high deformation of the piezoelectric bimorph plates. The plates of the actuator could be driven independently by the driving voltage. This could reduce the resonance of the diaphragm through the phase of driving voltage. The diaphragm could generate smooth acoustic response. Two corresponding sides of the diaphragm spaced with said frame are linked to said frame via a flexible connector. This could reduce the clamping effect of the frame against the diaphragm, and avoid the reduction of sound pressure arising from amplitude limitation of the vibrating diaphragm.
    • 压电面板扬声器具有框架,压电致动器和设置在框架的中空组装空间中的振动膜。 隔膜的两个对应的侧面固定在致动器上,另外两个对应的边与所述框架间隔开。 致动器固定在隔膜的两侧,通过压电双晶片板的高度变形,隔膜产生高声压。 致动器的板可以由驱动电压独立驱动。 这可以通过驱动电压的相位减小振膜的共振。 隔膜可以产生平滑的声响应。 与所述框架间隔开的隔膜的两个相应侧通过柔性连接器连接到所述框架。 这可以降低框架对隔膜的夹紧效果,并且避免由振动膜片的振幅限制引起的声压降低。