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    • 2. 发明授权
    • Piezoelectric actuator and audio components
    • 压电执行器和音频元件
    • US08569930B2
    • 2013-10-29
    • US13319872
    • 2010-04-12
    • Masatake TakahashiYasuhiro SasakiYasuharu OnishiYukio MurataUkyo MoriJun Kuroda
    • Masatake TakahashiYasuhiro SasakiYasuharu OnishiYukio MurataUkyo MoriJun Kuroda
    • H01L41/08
    • H04R17/00H01L41/0973H04R7/06
    • One object of the present invention is to an achieve increase of amplitude of vibrations and/or flattening of frequency dependence of the amplitude of a piezoelectric actuator. Piezoelectric actuator (100) has first piezoelectric vibrator (102), second piezoelectric vibrator (104), and vibrating membrane (106). First piezoelectric vibrator (102) includes first pedestal (116) and first piezoelectric element (112) connected to the first pedestal. Second piezoelectric vibrator (104) includes second pedestal (118) and second piezoelectric element (114) connected to the second pedestal. Vibrating membrane (106) has opening (108). First piezoelectric vibrator (102) is connected to one surface of vibrating membrane (106) straddling opening (108) of the vibrating membrane. Second piezoelectric vibrator (102) is connected to another surface of vibrating membrane (106) straddling opening (108) of the vibrating membrane.
    • 本发明的一个目的是实现振动幅度的增加和/或压电致动器的振幅的频率依赖性的平坦化。 压电致动器(100)具有第一压电振动器(102),第二压电振动器(104)和振动膜(106)。 第一压电振动器(102)包括连接到第一基座的第一基座(116)和第一压电元件(112)。 第二压电振动器(104)包括连接到第二基座的第二基座(118)和第二压电元件(114)。 振动膜(106)具有开口(108)。 第一压电振动器(102)连接到跨越振动膜的开口(108)的振动膜(106)的一个表面。 第二压电振动器(102)连接到振动膜的跨接开口(108)的振动膜(106)的另一表面。
    • 3. 发明申请
    • PIEZOELECTRIC ACTUATOR AND AUDIO COMPONENTS
    • 压电致动器和音频元件
    • US20120119617A1
    • 2012-05-17
    • US13319872
    • 2010-04-12
    • Masatake TakahashiYasuhiro SasakiYasuharu OnishiYukio MurataUkyo MoriJun Kuroda
    • Masatake TakahashiYasuhiro SasakiYasuharu OnishiYukio MurataUkyo MoriJun Kuroda
    • G10K9/125H01L41/09H01L41/053
    • H04R17/00H01L41/0973H04R7/06
    • One object of the present invention is to an achieve increase of amplitude of vibrations and/or flattening of frequency dependence of the amplitude of a piezoelectric actuator. Piezoelectric actuator (100) has first piezoelectric vibrator (102), second piezoelectric vibrator (104), and vibrating membrane (106). First piezoelectric vibrator (102) includes first pedestal (116) and first piezoelectric element (112) connected to the first pedestal. Second piezoelectric vibrator (104) includes second pedestal (118) and second piezoelectric element (114) connected to the second pedestal. Vibrating membrane (106) has opening (108). First piezoelectric vibrator (102) is connected to one surface of vibrating membrane (106) straddling opening (108) of the vibrating membrane. Second piezoelectric vibrator (102) is connected to another surface of vibrating membrane (106) straddling opening (108) of the vibrating membrane.
    • 本发明的一个目的是实现振动幅度的增加和/或压电致动器的振幅的频率依赖性的平坦化。 压电致动器(100)具有第一压电振动器(102),第二压电振动器(104)和振动膜(106)。 第一压电振动器(102)包括连接到第一基座的第一基座(116)和第一压电元件(112)。 第二压电振动器(104)包括连接到第二基座的第二基座(118)和第二压电元件(114)。 振动膜(106)具有开口(108)。 第一压电振动器(102)连接到跨越振动膜的开口(108)的振动膜(106)的一个表面。 第二压电振动器(102)连接到振动膜的跨接开口(108)的振动膜(106)的另一表面。
    • 9. 发明授权
    • Speaker, image element protective screen, case of terminal and terminal
    • 扬声器,图像元件保护屏,终端和终端盒
    • US08116506B2
    • 2012-02-14
    • US12064779
    • 2006-11-02
    • Jun KurodaHideki UedaYukio MurataUkyo MoriYasuhiro SasakiYasuharu Ohnishi
    • Jun KurodaHideki UedaYukio MurataUkyo MoriYasuhiro SasakiYasuharu Ohnishi
    • H04R1/02
    • H04R5/02H04M1/0216H04M1/0266H04M1/03H04R1/02H04R2499/15
    • Arrangement of an internal component (not shown) arranged in the vicinity of the top side is different from that of the hinge side of an image element protective screen (2). An actuator (5) is fixed to the top side of the image element protective screen (2) and an actuator (4) is fixed to the hinge side of the image element protective screen (2). Since Arrangement of the internal component in the vicinity of the actuator is different, different sound pressure frequency characteristics or the like are experienced when each actuator is driven independently. When the actuators (4, 5) are driven simultaneously, sound pressure frequency characteristics and vibration frequency characteristics can be flattened. Isolation between the vibration speed of a vibrator near one actuator and the vibration speed of a vibrator in the region near the other actuator that are produced by respective actuators is set at 10 dB or above.
    • 布置在顶侧附近的内部部件(未示出)的布置与图像元件保护屏(2)的铰链侧的布置不同。 致动器(5)固定在图像元件保护屏(2)的顶侧,致动器(4)固定在图像元件保护屏(2)的铰链侧。 由于致动器附近的内部部件的配置不同,因此当各个致动器被独立地驱动时,经历不同的声压频率特性等。 当致动器(4,5)同时被驱动时,声压频率特性和振动频率特性可以变平。 在一个致动器附近的振动器的振动速度与由各个致动器产生的另一致动器附近的区域中的振动器的振动速度之间的隔离设置为10dB或更高。