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    • 1. 发明授权
    • Multi-mode adjustable piezoelectric transformer
    • 多模可调压电变压器
    • US5504384A
    • 1996-04-02
    • US343352
    • 1994-11-21
    • Yu-Lin LeeSyh-Yuh ChengYun-Tien ChenShu-Fen LiaoWen-Chin Yeh
    • Yu-Lin LeeSyh-Yuh ChengYun-Tien ChenShu-Fen LiaoWen-Chin Yeh
    • H01L41/107H01L41/047H01L41/08
    • H01L41/107
    • A type of piezoelectric transformer (PT) which vibrates in length extensional mode is provided. The piezoelectric transformer (PT) has a piezoelectric substrate which has a first dimension, a second dimension and a third dimension with the first dimension being longest and the third dimension being shortest. The substrate has two polarization directions parallel to the first dimension near two terminals of the first dimension and at least two opposite polarization directions on a central portion of the substrate transversely to the first dimension. The substrate further has at least two electrodes on a portion horizontal to the first dimension. Comparing with traditional piezoelectric transformers, the new one can solve the polarization difficulties and reduce audio noise output without sacrificing the electrical properties or even have better voltage transformation characteristics.
    • 提供了一种在长度延伸模式下振动的压电变压器(PT)。 压电变压器(PT)具有压电基板,其具有第一尺寸,第二尺寸和第三尺寸,第一尺寸最长,第三尺寸最短。 衬底具有与第一尺寸的两个端子附近的第一尺寸平行的两个偏振方向和横向于第一尺寸的衬底的中心部分上的至少两个相反的偏振方向。 基板还在与第一尺寸水平的部分上具有至少两个电极。 与传统的压电变压器相比,新的可以解决极化困难,降低音频噪声输出,而不牺牲电气特性,甚至具有更好的电压转换特性。
    • 2. 发明授权
    • Apparatus for poling a piezoelectric ceramic
    • 用于极化压电陶瓷的装置
    • US5045747A
    • 1991-09-03
    • US486139
    • 1990-02-28
    • Yun-Tien ChenSyh-Yuh ChengShu-Fen Liao
    • Yun-Tien ChenSyh-Yuh ChengShu-Fen Liao
    • H01L41/24
    • H01L41/257Y10T29/42
    • An apparatus for poling a piezoelectric ceramic includes a first and a second electrode which are connected to a DC power supply and spaced away from one another at a certain distance, and an insulated medium provided between the first and second electrodes. The second electrode is adapted to carry the piezoelectric ceramic which is spaced away from the first electrode. In this way, a piezoelectric ceramic can be poled by a poling field created between the first and second electrodes and prevented from being scraped by the first electrode or damaged by the ripples caused by an unstable voltage because of the separation of the piezoelectric ceramic to be poled from the first electrode and the buffering effect caused by the insulated medium between the first and second electrodes. In addition, the second electrode may be specifically in the form of a power-driven metal conveyor so that the piezoelectric ceramic to be poled can continuously pass through and be poled by the poling field.
    • 用于极化压电陶瓷的装置包括连接到直流电源并且以一定距离彼此间隔开的第一和第二电极以及设置在第一和第二电极之间的绝缘介质。 第二电极适于承载与第一电极间隔开的压电陶瓷。 以这种方式,可以通过在第一和第二电极之间产生的极化场来极化压电陶瓷,并且防止由于压电陶瓷的分离而被第一电极刮擦或被不稳定电压引起的波纹损坏 从第一电极极化并且由第一和第二电极之间的绝缘介质引起的缓冲效应。 此外,第二电极可以具体地是动力驱动的金属输送机的形式,使得待极化的压电陶瓷可以连续地通过并被极化场极化。
    • 3. 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。
    • 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
    • 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。
    • 5. 发明申请
    • 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
    • US20070205690A1
    • 2007-09-06
    • US11594832
    • 2006-11-09
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • H01L41/00
    • 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。
    • 7. 发明申请
    • 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
    • US20080135213A1
    • 2008-06-12
    • US12068722
    • 2008-02-11
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • Syh-Yuh ChengYun-Tien ChenRa-Min TainShu-Jung Yang
    • F28D15/00
    • 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。
    • 8. 发明授权
    • Piezoelectric composite receiver
    • 压电复合接收机
    • US5406161A
    • 1995-04-11
    • US248872
    • 1994-05-24
    • Yu-Lin LeeSyh-Yuh Cheng
    • Yu-Lin LeeSyh-Yuh Cheng
    • H04M1/03H04R17/00H01L41/08
    • H04R17/00H04M1/03
    • A piezoelectric composite receiver for use in telephones comprising a front cover, a rear cover, and a transducer plate, which is provided with an piezoelectric layer so as to provide the function of an electroacoustic transducer. Each of the front cover and the rear cover has an elliptically-shaped protrusion for clamping the transducer plate therebetween. The elliptically-shaped protrusions allows the transducer plate to freely vibrate in the frequency range of interest (i.e., between 300 Hz and 3,400 Hz), while the sound in the high frequency region (above 3,400 Hz) is effectively suppressed. The front cover and the rear cover are made of a plastic material using an injection molding process, and either the front cover or the rear cover, or both, are provided with an ultrasonic welding loop, which allows the receiver to be affixed using an ultrasound welding device. An induction coil can be imbedded in the outer periphery or an upper portion of the front cover which can be coupled to a hearing aid so as to allow an hearing impaired to utilize a telephone which utilizes the piezoelectric composite receiver.
    • 一种用于电话的压电复合接收器,包括前盖,后盖和换能器板,其设有压电层以提供电声换能器的功能。 前盖和后盖中的每一个具有椭圆形突起,用于将换能器板夹在其间。 椭圆形突起允许换能器板在感兴趣的频率范围内(即,在300Hz和3,400Hz之间)自由振动,同时高频区域(高于3,400Hz)的声音被有效地抑制。 前盖和后盖由塑料材料制成,使用注射成型工艺,前盖或后盖或两者均设置有超声波焊接回路,其允许接收器使用超声波 焊接装置。 感应线圈可以嵌入在前盖的外周或上部,其可以耦合到助听器,以便听力障碍者利用利用压电复合接收器的电话。