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公开(公告)号:US20100045140A1
公开(公告)日:2010-02-25
申请号:US12588696
申请日:2009-10-23
申请人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
发明人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
IPC分类号: H02N2/12
摘要: A piezoelectric ultrasonic motor includes a piezoelectric stator including a hollow metal tube having a quadrangular cross section and four piezoelectric elements each installed in each outer face of the metal tube; a rotary shaft including a rotation bar inserted into an inner space of the metal tube, an upper rotation member provided around the rotation bar in contact with an upper surface of the piezoelectric stator, the rotation member rotating in response to the strain of the piezoelectric stator, a lower rotation member adapted to restrain the rotation of the rotation bar and contacting a lower surface of the piezoelectric stator and a power transmission member provided at one portion of the rotation bar to transmit the rotation of the rotation member to an object to be transported; and a power supply to apply a supply voltage necessary for the actuation of the piezoelectric stator.
摘要翻译: 一种压电超声波电动机包括:压电定子,其包括四边形横截面的中空金属管和分别安装在金属管的每个外表面中的四个压电元件; 旋转轴,其包括插入到所述金属管的内部空间中的旋转杆;上旋转构件,设置在所述旋转杆周围,与所述压电定子的上表面接触,所述旋转构件响应于所述压电定子的应变而旋转 下旋转构件,其适于限制旋转杆的旋转并且接触压电定子的下表面和设置在旋转杆的一部分处的动力传递构件,以将旋转构件的旋转传递到待运输物体 ; 以及用于施加驱动压电定子所需的电源电压的电源。
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公开(公告)号:US07638926B2
公开(公告)日:2009-12-29
申请号:US11498044
申请日:2006-08-03
申请人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
发明人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
IPC分类号: H01L41/04 , H01L41/053 , H02N2/12 , H02N2/16
摘要: A piezoelectric ultrasonic motor includes a piezoelectric stator including a metal tube with an inner space and piezoelectric elements mounted on the outer circumference of the metal tube, a rotary shaft including a rotation bar inserted into the inner space of the metal tube, and a rotation member provided around the rotation bar in contact with the piezoelectric stator. The piezoelectric stator strains with an electric field applied thereto, and the rotation member rotates in response to the strain of the piezoelectric stator. A power transmission member is provided at one portion of the rotation bar to transmit the rotation of the rotation member to an object to be transported. With face contact the motor achieves stable actuation together with enhanced force and sufficient strain, and a flexibility to be applied to various apparatuses such as a camera module.
摘要翻译: 一种压电超声波电动机,包括具有内部空间的金属管和安装在金属管的外周上的压电元件的压电定子,具有插入金属管的内部空间的旋转棒的旋转轴和旋转构件 设置在与压电定子接触的旋转杆周围。 施加电场的压电定子应变,并且旋转构件响应于压电定子的应变而旋转。 动力传递构件设置在旋转杆的一部分处,以将旋转构件的旋转传递到要运输的物体。 随着面接触,电动机实现稳定的致动以及增强的力和足够的应变,以及适用于诸如相机模块的各种装置的灵活性。
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公开(公告)号:US07834516B2
公开(公告)日:2010-11-16
申请号:US12588696
申请日:2009-10-23
申请人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
发明人: Byung Woo Kang , Burhanettin Koc , Jung Ho Ryu , Sang Min On , Dong Kyun Lee
摘要: A piezoelectric ultrasonic motor includes a piezoelectric stator including a hollow metal tube having a quadrangular cross section and four piezoelectric elements each installed in each outer face of the metal tube; a rotary shaft including a rotation bar inserted into an inner space of the metal tube, an upper rotation member provided around the rotation bar in contact with an upper surface of the piezoelectric stator, the rotation member rotating in response to the strain of the piezoelectric stator, a lower rotation member adapted to restrain the rotation of the rotation bar and contacting a lower surface of the piezoelectric stator and a power transmission member provided at one portion of the rotation bar to transmit the rotation of the rotation member to an object to be transported; and a power supply to apply a supply voltage necessary for the actuation of the piezoelectric stator.
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公开(公告)号:US07522351B2
公开(公告)日:2009-04-21
申请号:US11521294
申请日:2006-09-15
申请人: Dong Kyun Lee , Burhanettin Koc , Ki Mun Baik , Jung Ho Ryu , Jung Seok Lee , Byung Woo Kang
发明人: Dong Kyun Lee , Burhanettin Koc , Ki Mun Baik , Jung Ho Ryu , Jung Seok Lee , Byung Woo Kang
摘要: The present invention relates to a lens driving device includes a lens receiving part with a lens disposed therein, having first and second extension parts formed at opposed sides in a predetermined interval from each other. The lens driving device also includes an actuator having a body between the first and second extension parts. The actuator body has first and second output members contacting the first and second extension parts of the lens receiving part at opposed ends thereof, and thereby expands, contracts and bends when power is applied. The lens driving device also includes a preload member compressing the first and second extension parts against the actuator body to maintain a status of pressed contact. The lens driving device further includes a guide part for guiding the movement of the lens receiving part in an optical axis direction.
摘要翻译: 透镜驱动装置本发明涉及透镜驱动装置,该透镜驱动装置包括具有设置在其中的透镜的透镜接收部分,其具有彼此以预定间隔形成在相对侧的第一和第二延伸部分。 透镜驱动装置还包括具有在第一和第二延伸部分之间的主体的致动器。 致动器主体具有第一和第二输出构件,其在相对的端部处接触透镜容纳部分的第一和第二延伸部分,从而在施加电力时膨胀,收缩和弯曲。 透镜驱动装置还包括预压构件,其将第一和第二延伸部分压靠在致动器本体上,以保持压接状态。 透镜驱动装置还包括用于引导透镜接收部在光轴方向上的运动的引导部。
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公开(公告)号:US07501745B2
公开(公告)日:2009-03-10
申请号:US11688658
申请日:2007-03-20
申请人: Burhanettin Koc , Dong Kyun Lee , Jung Ho Ryu , Byung Woo Kang
发明人: Burhanettin Koc , Dong Kyun Lee , Jung Ho Ryu , Byung Woo Kang
IPC分类号: H03H41/047
CPC分类号: H01L41/0913 , H01L41/0471 , H01L41/0472 , H01L41/083 , H02N2/004 , H02N2/026
摘要: A piezoelectric vibrator that generates an elliptical motion using a combination of a longitudinal vibration and a flexural vibration includes a piezoelectric element, three side electrodes, and a power transmission member. The piezoelectric element includes three piezoelectric element layers. The first and second side electrodes electrically connect electrode patterns formed in a diagonal direction among the electrode patterns formed in the first and third piezoelectric element layers of the piezoelectric element, and the third side electrode electrically connects an internal ground electrode of the second piezoelectric element layer to the bottom electrode of the third piezoelectric element layer. The power transmission member is formed in one side of the piezoelectric element to transmit vibration generated from the piezoelectric element to the outside.
摘要翻译: 使用纵向振动和弯曲振动的组合产生椭圆运动的压电振动器包括压电元件,三个侧面电极和动力传递部件。 压电元件包括三个压电元件层。 第一和第二侧电极电连接形成在压电元件的第一和第三压电元件层中的电极图案中沿对角线方向形成的电极图案,并且第三侧电极将第二压电元件层的内部接地电极 到第三压电元件层的底部电极。 动力传递部件形成在压电元件的一侧,以将从压电元件产生的振动传递到外部。
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公开(公告)号:US07426081B2
公开(公告)日:2008-09-16
申请号:US11585283
申请日:2006-10-24
申请人: Ki Mun Paik , Youn Kyun Bin , Jung Seok Lee , Dong Kyun Lee , Byung Woo Kang , Jung Ho Ryu , Sung Deuk Kim , Burhanettin Koc
发明人: Ki Mun Paik , Youn Kyun Bin , Jung Seok Lee , Dong Kyun Lee , Byung Woo Kang , Jung Ho Ryu , Sung Deuk Kim , Burhanettin Koc
CPC分类号: G02B7/102
摘要: The invention provides a lens transfer device including at least one lens and a lens barrel. The lens barrel has a lens receiving part with the lens arranged in an inner space thereof and an extension extending radially from an outer surface of the lens receiving part. An actuator has a body and an output member at a leading end of the actuator to contact the extension, and is adapted to expand/contract and bend in response to an external supply voltage to provide a driving force necessary for transfer of the lens barrel through the output member. A pressing member has a free end contacting a rear end of the actuator to force the actuator against the extension, and a guide guides the transfer of the lens barrel along an optical axis.
摘要翻译: 本发明提供一种透镜传送装置,其包括至少一个透镜和镜筒。 透镜镜筒具有透镜接收部分,透镜布置在其内部空间中,并且具有从透镜接收部分的外表面径向延伸的延伸部。 致动器具有在致动器的前端处的主体和输出构件以接触延伸部,并且适于响应于外部电源电压而膨胀/收缩和弯曲,以提供透镜筒通过所需的驱动力 输出成员。 按压构件具有接触致动器的后端的自由端以迫使致动器抵靠延伸部,并且引导件引导透镜镜筒沿着光轴的传送。
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公开(公告)号:US07352109B2
公开(公告)日:2008-04-01
申请号:US11082004
申请日:2005-03-16
申请人: Jung Ho Ryu , Dae Hyun Jeong , Sung Won Min , Byung Woo Kang , Hyung Min Choi , Burhanettin Koc
发明人: Jung Ho Ryu , Dae Hyun Jeong , Sung Won Min , Byung Woo Kang , Hyung Min Choi , Burhanettin Koc
IPC分类号: H02N2/00
CPC分类号: H02N2/16
摘要: There is provided a flat type piezoelectric ultrasonic motor for generating a rotation force to a rotor by ultrasonic vibrations. In the piezoelectric ultrasonic motor, a vibrator is formed of elastic material at a given size, a plurality of piezoelectric plates are attached on the vibrator, a rotor is drivingly connected to the vibrator thereby to be rotated, and a power source unit applies driving voltages to the piezoelectric plates. The piezoelectric plates are arranged on quartered surface areas of the vibrator in such a way that longitudinal axes of neighboring piezoelectric plates form a given angle therebetween and opposing piezoelectric plates have opposite polarizations, and the power source unit applies alternating driving voltages to the piezoelectric plates thereby to make the rotor rotated, thereby making it possible to simplify the piezoelectric plates' shape, minimize its size and enhance its driving efficiency.
摘要翻译: 提供了一种用于通过超声波振动向转子产生旋转力的平面型压电超声波马达。 在压电超声波马达中,振动器由给定尺寸的弹性材料形成,多个压电板安装在振动器上,转子驱动地连接到振动器从而旋转,电源单元施加驱动电压 到压电板。 压电板被布置在振动器的四分之一的表面区域上,使相邻的压电板的纵向轴线在其间形成给定的角度,相对的压电板具有相反的极化,并且电源单元向压电板施加交替的驱动电压 以使转子旋转,从而可以简化压电板的形状,使其尺寸最小化并提高其驱动效率。
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公开(公告)号:US07382080B2
公开(公告)日:2008-06-03
申请号:US11139516
申请日:2005-05-31
申请人: Gui Youn Lee , Dong Kyun Lee , Jung Ho Ryu , Byung Woo Kang , Hyoung Jun Jeon
发明人: Gui Youn Lee , Dong Kyun Lee , Jung Ho Ryu , Byung Woo Kang , Hyoung Jun Jeon
IPC分类号: H02N2/08
CPC分类号: H02N2/147 , H02N2/0015
摘要: The present invention provides a piezoelectric ultrasonic motor driver which can perform self-oscillation, adjust the rotational direction of the motor, and be easy to manufacture. The motor includes a metal body having a desired shape; a plurality of piezoelectric plates attached to surfaces of the metal body, contracted and expanded to rotate the metal body; a self-oscillation unit for oscillating at an electromechanical frequency of the piezoelectric plates an electrical signal; and a delay unit for delaying an oscillation signal of the self-oscillation unit in phase by 90 or −90 degrees according to a desired rotational direction.
摘要翻译: 本发明提供一种能够进行自振荡的压电超声波马达驱动器,调整电动机的旋转方向,易于制造。 马达包括具有期望形状的金属体; 多个压电板,附接到金属体的表面,收缩并膨胀以使金属体旋转; 自振荡单元,用于在压电板的机电频率处振荡电信号; 以及延迟单元,用于根据期望的旋转方向将自振荡单元的振荡信号相位延迟90度或-90度。
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公开(公告)号:US07099093B2
公开(公告)日:2006-08-29
申请号:US10929406
申请日:2004-08-31
申请人: Dae Hyun Jeong , Oui Serg Kim , Hyung Min Choi , Yong Joo Jo , Jung Ho Ryu , Il Woo Seok , Jung Kyun Cho , Byung Woo Kang
发明人: Dae Hyun Jeong , Oui Serg Kim , Hyung Min Choi , Yong Joo Jo , Jung Ho Ryu , Il Woo Seok , Jung Kyun Cho , Byung Woo Kang
摘要: Provided is a compact lens module which enables zoom and auto-focus functions even in a small lens module by providing a lens carrying structure using a supersonic driving unit. A lens unit is positioned in a case and has at least one lens. A carrying member is rotatably connected in the case and connected to the lens unit so that the lens unit may move forward and backward. In addition, a driving unit is mounted in the case for transferring a driving force to the carrying member so as to move the lens unit by repeatedly contacting and non-contacting with the carrying member.
摘要翻译: 提供了一种紧凑的透镜模块,其通过使用超音速驱动单元提供透镜携带结构,即使在小透镜模块中也能够进行变焦和自动对焦功能。 透镜单元定位在壳体中并且具有至少一个透镜。 承载构件可旋转地连接在壳体中并连接到透镜单元,使得透镜单元可以向前和向后移动。 此外,驱动单元安装在壳体中,用于将驱动力传递到承载构件,以便通过与承载构件反复接触和不接触来移动透镜单元。
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公开(公告)号:US20050195502A1
公开(公告)日:2005-09-08
申请号:US10929406
申请日:2004-08-31
申请人: Dae Hyun Jeong , Oui Serg Kim , Hyung Min Choi , Yong Joo Jo , Jung Ho Ryu , Il Woo Seok , Jung Kyun Cho , Byung Woo Kang
发明人: Dae Hyun Jeong , Oui Serg Kim , Hyung Min Choi , Yong Joo Jo , Jung Ho Ryu , Il Woo Seok , Jung Kyun Cho , Byung Woo Kang
摘要: Provided is a compact lens module which enables zoom and auto-focus functions even in a small lens module by providing a lens carrying structure using a supersonic driving unit. A lens unit is positioned in a case and has at least one lens. A carrying member is rotatably connected in the case and connected to the lens unit so that the lens unit may move forward and backward. In addition, a driving unit is mounted in the case for transferring a driving force to the carrying member so as to move the lens unit by repeatedly contacting and non-contacting with the carrying member.
摘要翻译: 提供了一种紧凑的透镜模块,其通过使用超音速驱动单元提供透镜携带结构,即使在小透镜模块中也能够进行变焦和自动对焦功能。 透镜单元定位在壳体中并且具有至少一个透镜。 承载构件可旋转地连接在壳体中并连接到透镜单元,使得透镜单元可以向前和向后移动。 此外,驱动单元安装在壳体中,用于将驱动力传递到承载构件,以便通过与承载构件反复接触和不接触来移动透镜单元。
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