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1. 发明授权

US08493006B2 Drive unit 有权
公开(公告)号：US08493006B2
公开(公告)日：2013-07-23
申请号：US12701682
申请日：2010-02-08
申请人： Yusuke Adachi , Hideaki Mukae , Masaru Higashionji , Eiichi Nagaoka
发明人： Yusuke Adachi , Hideaki Mukae , Masaru Higashionji , Eiichi Nagaoka
IPC分类号： H01L41/04 , H01L41/00 , H02K39/00
CPC分类号： H02N2/008 , H01L41/0906 , H02N2/004 , H02N2/026 , H02N2/062 , H02N2/103 , H02N2/142
摘要： A drive unit includes an ultrasonic actuator having an actuator body formed using a piezoelectric element, and a driving element provided on the actuator body and configured to output a driving force by moving according to the vibration of the actuator body, and a control section configured to induce the vibration in the actuator body by applying a first and a second AC voltages having a same frequency and different phases to the piezoelectric element. The control section adjusts the first AC voltage and the second AC voltage so that the first AC voltage and the second AC voltage have different voltage values from each other.

2. 发明授权

US08410671B2 Vibratory actuator 有权
标题翻译：振动执行器
公开(公告)号：US08410671B2
公开(公告)日：2013-04-02
申请号：US12876271
申请日：2010-09-07
申请人： Yusuke Adachi
发明人： Yusuke Adachi
IPC分类号： H01L41/08
CPC分类号： H01L41/0913 , H01L41/0471 , H01L41/0472 , H02N2/004 , H02N2/0075 , H02N2/008 , H02N2/026 , H02N2/103
摘要： An ultrasonic actuator includes an actuator body configured by alternately stacking piezoelectric layers, and a positive and a negative electrode layers. The positive electrode layer includes a first through a fourth positive split electrodes and a positive diagonal-connection electrode connecting together the first and the third positive split electrodes. The second and the fourth positive split electrodes are connected together outside the positive electrode layer. The negative electrode layer includes a first through a fourth negative split electrodes and a negative diagonal-connection electrode connecting together the first and the third negative split electrodes. The second and the fourth negative split electrodes are connected together outside the negative electrode layer.
摘要翻译：超声波致动器包括通过交替堆叠压电层而构成的致动器主体以及正极和负极层。正极层包括第一至第四正分极和将第一和第三正分极连接在一起的正对角线连接电极。第二和第四正分离电极在正电极层之外连接在一起。负极层包括将第一和第三负极分离电极连接在一起的第一至第四负分极和负对角线连接电极。第二和第四负分离电极在负电极层外面连接在一起。

3. 发明申请

US20130070124A1 LENS BARREL, IMAGING PICKUP DEVICE, AND CAMERA 有权
标题翻译：镜头条，成像撷取器和相机
公开(公告)号：US20130070124A1
公开(公告)日：2013-03-21
申请号：US13696992
申请日：2011-07-28
申请人： Norikazu Katsuyama , Yusuke Adachi , Fumio Muramatsu
发明人： Norikazu Katsuyama , Yusuke Adachi , Fumio Muramatsu
IPC分类号： H04N5/262 , G02B7/10
CPC分类号： G02B7/102
摘要： A lens barrel comprises a first zoom/focus lens group and a second zoom/focus lens group configured to respectively vary a focal distance and imaging distance by moving in an optical axis, a first actuator configured to drive the first zoom/focus lens group, a second actuator configured to drive the second zoom/focus lens group, and a drive controller configured to independently control the first actuator and the second actuator. The drive controller is configured to wobble the first zoom/focus lens group by reciprocating only the first zoom/focus lens group out of the first and second zoom/focus lens groups in a optical axis direction.
摘要翻译：镜筒包括第一变焦/聚焦透镜组和被配置为通过在光轴上移动来分别改变焦距和成像距离的第二变焦/聚焦透镜组，构造成驱动第一变焦/聚焦透镜组的第一致动器，配置成驱动第二变焦/聚焦透镜组的第二致动器以及被配置为独立地控制第一致动器和第二致动器的驱动控制器。驱动控制器被配置为通过仅使第一和第二变焦/聚焦透镜组在光轴方向上往复移动第一变焦/聚焦透镜组而摆动第一变焦/聚焦透镜组。

4. 发明授权

US08350446B2 Vibratory actuator and drive device using the same 有权
标题翻译：振动执行机构及使用其的驱动装置
公开(公告)号：US08350446B2
公开(公告)日：2013-01-08
申请号：US13419777
申请日：2012-03-14
申请人： Yusuke Adachi , Takayuki Hayashi , Eiichi Nagaoka
发明人： Yusuke Adachi , Takayuki Hayashi , Eiichi Nagaoka
IPC分类号： H02N2/04 , H02N2/08
CPC分类号： H01L41/0913 , H02N2/004 , H02N2/0065 , H02N2/026 , H02N2/103
摘要： An ultrasonic actuator (2) includes an actuator body (4) which performs a longitudinal vibration and a bending vibration, and a driver element (8a, 8b) which is provided on one of side surfaces of the actuator body (4) which is a mounting surface (40a), and performs an orbital motion in accordance with the vibrations of the actuator body (4) to output a driving force. The driver element (8a, 8b) includes a first driver element (8a) and a second driver element (8b) which are provided on the mounting surface (40a) at different positions in a longitudinal direction of the actuator body (4). The first driver element (8a) and the second driver element (8b) are located at different positions in a thickness direction of the actuator body (4).
摘要翻译：超声波致动器（2）包括执行纵向振动和弯曲振动的致动器主体（4）和设置在致动器本体（4）的一个侧面上的驱动元件（8a，8b）安装表面（40a），并且根据致动器主体（4）的振动执行轨道运动以输出驱动力。驱动元件（8a，8b）包括第一驱动元件（8a）和第二驱动元件（8b），该第一驱动元件（8a）和第二驱动元件（8b）在致动器主体（4）的纵向方向上的不同位置处设置在安装表面（40a）上。第一驱动元件（8a）和第二驱动元件（8b）位于致动器主体（4）的厚度方向上的不同位置。

5. 发明授权

US08159113B2 Ultrasonic actuator with power supply electrode arrangement 有权
标题翻译：具有电源电极布置的超声波执行器
公开(公告)号：US08159113B2
公开(公告)日：2012-04-17
申请号：US13181096
申请日：2011-07-12
申请人： Yusuke Adachi , Hironori Honsho
发明人： Yusuke Adachi , Hironori Honsho
IPC分类号： H01L41/08
CPC分类号： H01L41/0471 , H01L41/0475 , H01L41/0913 , H02N2/004 , H02N2/026 , H02N2/103
摘要： An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexible cables (F1). The piezoelectric element (P1) includes: a piezoelectric layer (1); a power supply electrode (2) provided on a principal surface of the piezoelectric layer (1); a counter electrode (3) provided to face the power supply electrode (2) with the piezoelectric layer (1) interposed therebetween; a power supply external electrode (4) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the power supply electrode (2); and a counter external electrode (5) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the counter electrode (3). The flexible cables (F1) include a first flexible cable (F11) connected to the power supply external electrode (4), and a second flexible cable (F12) connected to the counter external electrode (5).
摘要翻译：可以提供一种超声波致动器，其中在电极和导电构件之间的压电元件的连接面中防止产生应力。超声波致动器包括压电元件（P1）和柔性电缆（F1）。压电元件（P1）包括：压电层（1）; 设置在压电层（1）的主表面上的电源电极（2）; 设置成与压电层（1）相对置的与电源电极（2）相对的对置电极（3）电源外部电极（4），其设置在所述压电元件（P1）的短边面上，并且电耦合到所述电源电极（2）; 以及设置在所述压电元件（P1）的短边面上并与电极（3）电连接的对置外部电极（5）。柔性电缆（F1）包括连接到电源外部电极（4）的第一柔性电缆（F11）和连接到对外部电极（5）的第二柔性电缆（F12）。

6. 发明授权

US08008840B2 Drive unit 有权
标题翻译：驱动单元
公开(公告)号：US08008840B2
公开(公告)日：2011-08-30
申请号：US12794056
申请日：2010-06-04
申请人： Yusuke Adachi
发明人： Yusuke Adachi
IPC分类号： H01L41/04 , H02N2/04
CPC分类号： H01L41/0906 , H01L41/0475 , H01L41/083 , H02N2/004 , H02N2/026 , H02N2/103
摘要： A drive unit which generates less heat may be provided. The drive unit includes a piezoelectric element (P1) having a piezoelectric layer (1), a drive power supply (14) configured to apply a driving voltage at a predetermined frequency to the piezoelectric element (P1) such that vibration including stretching vibration and bending vibration is generated in the piezoelectric element (P1), and a movable element (9) which is movable relative to the piezoelectric element (P1) according to the vibration of the piezoelectric element (P1). The difference between the resonance frequency of the bending vibration of the piezoelectric element (P1) and the anti-resonance frequency of the stretching vibration of the piezoelectric element (P1) is smaller than the difference between the resonance frequency of the bending vibration of the piezoelectric element (P1) and the resonance frequency of the stretching vibration of the piezoelectric element (P1).
摘要翻译：可以提供产生较少热量的驱动单元。驱动单元包括具有压电层（1）的压电元件（P1），驱动电源（14），被配置为向压电元件（P1）施加预定频率的驱动电压，使得包括拉伸振动和弯曲在压电元件（P1）中产生振动，以及根据压电元件（P1）的振动相对于压电元件（P1）移动的可动元件（9）。压电元件（P1）的弯曲振动的共振频率与压电元件（P1）的拉伸振动的反共振频率之间的差小于压电元件（P1）的弯曲振动的共振频率之间的差元件（P1）和压电元件（P1）的伸缩振动的共振频率。

7. 发明授权

US07923899B2 Ultrasonic actuator 有权
标题翻译：超声波执行器
公开(公告)号：US07923899B2
公开(公告)日：2011-04-12
申请号：US12697394
申请日：2010-02-01
申请人： Yusuke Adachi
发明人： Yusuke Adachi
IPC分类号： H02N2/00
CPC分类号： H01L41/0906
摘要： An ultrasonic actuator (3) includes an actuator body (4) performing a plurality of vibrations including a bending vibration, and a driver element (5) which is attached to a long side surface (40b) of the actuator body (4), and outputs a driving force by making an orbit motion in response to the vibrations of the actuator body (4). The driver element (5) is provided with an attachment surface (51), and is attached to the long side surface (40b) with the attachment surface (51) in surface contact with the long side surface (40b). A width of the attachment surface (51) in the longitudinal direction of the long side surface (40b) is smaller than a maximum width of the driver element (5) in the longitudinal direction of the long side surface (40b).
摘要翻译：超声波致动器（3）包括执行包括弯曲振动的多个振动的致动器主体（4）和附接到致动器本体（4）的长边侧表面（40b）的驱动元件（5），以及通过响应于致动器主体（4）的振动进行轨道运动来输出驱动力。所述驱动元件（5）具有安装面（51），并且与所述长侧面（40b）连接，所述安装面（51）与所述长侧面（40b）表面接触。长侧面（40b）的长度方向的安装面（51）的宽度比长边侧面（40b）的长度方向的驱动元件（5）的最大宽度小。

8. 发明申请

US20100301704A1 VIBRATORY ACTUATOR 有权
标题翻译：振动执行器
公开(公告)号：US20100301704A1
公开(公告)日：2010-12-02
申请号：US12738353
申请日：2008-07-29
申请人： Masaru Higashionji , Hideaki Mukae , Eiichi Nagaoka , Yusuke Adachi
发明人： Masaru Higashionji , Hideaki Mukae , Eiichi Nagaoka , Yusuke Adachi
IPC分类号： H02N2/04
CPC分类号： H01L41/0906 , H01L41/053
摘要： A supporting structure for an actuator body, which can prevent reduction of vibration of an actuator body and maintain a contact state of a driver element with an abutment body in a stable manner even when the driver element receives reactive force from the abutment body is realized.An ultrasonic actuator (2) includes an actuator body (4) for generating vibration, driver elements (8), provided on a mounting surface (40a) of the actuator body (4), for outputting driving force, a pressing rubber (62) for pressing the actuator body (4) to a stage (11), a case (5) to which the actuator body (4) is coupled, and a plate spring (61) for elastically supporting the actuator body (4) relative to the case (5). The plate spring (61) supports the mounting surface (40a) of the actuator body (4) on which the driver elements 8 are provided.
摘要翻译：一种用于致动器主体的支撑结构，其可以防止致动器主体的振动的减小，并且即使当驱动元件从抵接体接收到反作用力时，也能够以稳定的方式保持驱动元件与抵接体的接触状态。超声波致动器（2）包括用于产生振动的致动器主体（4），设置在致动器主体（4）的安装表面（40a）上的用于输出驱动力的驱动元件（8），压紧橡胶（62）用于将致动器主体（4）按压到台架（11），致动器主体（4）联接到的壳体（5）和用于相对于所述致动器主体（4）弹性地支撑致动器本体情况（5）。板簧（61）支撑在其上设置有驱动元件8的致动器本体（4）的安装表面（40a）。

9. 发明申请

US20100237743A1 ULTRASONIC ACTUATOR 有权
标题翻译：超声波执行器
公开(公告)号：US20100237743A1
公开(公告)日：2010-09-23
申请号：US12794076
申请日：2010-06-04
申请人： Yusuke ADACHI , Hironori HONSHO
发明人： Yusuke ADACHI , Hironori HONSHO
IPC分类号： H02N2/02 , H01L41/047
CPC分类号： H01L41/0471 , H01L41/0475 , H01L41/0913 , H02N2/004 , H02N2/026 , H02N2/103
摘要： An ultrasonic actuator may be provided in which generation of a stress is prevented in the connection face of the piezoelectric element between the electrodes and the conductive members. The ultrasonic actuator includes a piezoelectric element (P1) and flexible cables (F1). The piezoelectric element (P1) includes: a piezoelectric layer (1); a power supply electrode (2) provided on a principal surface of the piezoelectric layer (1); a counter electrode (3) provided to face the power supply electrode (2) with the piezoelectric layer (1) interposed therebetween; a power supply external electrode (4) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the power supply electrode (2); and a counter external electrode (5) which is provided on a short-side surface of the piezoelectric element (P1), and is electrically coupled to the counter electrode (3). The flexible cables (F1) include a first flexible cable (F11) connected to the power supply external electrode (4), and a second flexible cable (F12) connected to the counter external electrode (5).
摘要翻译：可以提供一种超声波致动器，其中在电极和导电构件之间的压电元件的连接面中防止产生应力。超声波致动器包括压电元件（P1）和柔性电缆（F1）。压电元件（P1）包括：压电层（1）; 设置在压电层（1）的主表面上的电源电极（2）; 设置成与压电层（1）相对置的与电源电极（2）相对的对置电极（3）电源外部电极（4），其设置在所述压电元件（P1）的短边面上，并且电耦合到所述电源电极（2）; 以及设置在所述压电元件（P1）的短边面上并与电极（3）电连接的对置外部电极（5）。柔性电缆（F1）包括连接到电源外部电极（4）的第一柔性电缆（F11）和连接到对外部电极（5）的第二柔性电缆（F12）。

10. 发明申请

US20100176690A1 VIBRATORY ACTUATOR AND DRIVE DEVICE USING THE SAME 有权
标题翻译：振动执行器和驱动装置使用它
公开(公告)号：US20100176690A1
公开(公告)日：2010-07-15
申请号：US12664086
申请日：2008-06-13
申请人： Yusuke Adachi , Takayuki Hayashi , Eiichi Nagaoka
发明人： Yusuke Adachi , Takayuki Hayashi , Eiichi Nagaoka
IPC分类号： H02N2/00 , H01L41/04 , H01L41/09
CPC分类号： H01L41/0913 , H02N2/004 , H02N2/0065 , H02N2/026 , H02N2/103
摘要： A vibratory actuator is provided in which a movable body can be stably driven even when a groove is formed in an abutment body by the friction between the driver element and the abutment body. An ultrasonic actuator (2) includes an actuator body (4) which performs a longitudinal vibration and a bending vibration, and a driver element (8a, 8b) which is provided on one of side surfaces of the actuator body (4) which is a mounting surface (40a), and performs an orbital motion in accordance with the vibrations of the actuator body (4) to output a driving force. The driver element (8a, 8b) includes a first driver element (8a) and a second driver element (8b) which are provided on the mounting surface (40a) at different positions in a longitudinal direction of the actuator body (4). The first driver element (8a) and the second driver element (8b) are located at different positions in a thickness direction of the actuator body (4).
摘要翻译：提供一种振动致动器，其中即使当通过驱动元件和抵接体之间的摩擦在邻接构件中形成凹槽时，可以稳定地驱动可动体。超声波致动器（2）包括执行纵向振动和弯曲振动的致动器主体（4）和设置在致动器本体（4）的一个侧面上的驱动元件（8a，8b）安装表面（40a），并且根据致动器主体（4）的振动执行轨道运动以输出驱动力。驱动元件（8a，8b）包括第一驱动元件（8a）和第二驱动元件（8b），该第一驱动元件（8a）和第二驱动元件（8b）在致动器主体（4）的纵向方向上的不同位置处设置在安装表面（40a）上。第一驱动元件（8a）和第二驱动元件（8b）位于致动器主体（4）的厚度方向上的不同位置。

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