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1. 发明申请

US20190302447A1 ACTUATOR AND LIGHT SCANNING APPARATUS 审中-公开
公开(公告)号：US20190302447A1
公开(公告)日：2019-10-03
申请号：US16351808
申请日：2019-03-13
申请人： Tsukasa YAMADA , Takahiro WAKASUGI
发明人： Tsukasa YAMADA , Takahiro WAKASUGI
IPC分类号： G02B26/12 , G02B7/182 , G02B26/10
摘要： An actuator includes a torsion beam configured to support a target object, a first drive beam having a first drive source, and a connection beam configured to connect the torsion beam with the first drive beam, and a frame body configured to fix the first drive beam, wherein the actuator applies force of rotating the torsion beam in a direction around a first axis by a resonant drive of the first drive beam so as to cause the target object to swing, and when a structural non-linear constant of the actuator is β [Nm/rad3] and a spring constant of the actuator is k [Nm/rad], [Equation 1] is satisfied: [Equation 1] β=0.05×k−A×106 (1), where 3.5≤A≤15.5.

2. 发明申请

US20190196176A1 OPTICAL SCANNING DEVICE 审中-公开
公开(公告)号：US20190196176A1
公开(公告)日：2019-06-27
申请号：US16202698
申请日：2018-11-28
申请人： Tsukasa YAMADA
发明人： Tsukasa YAMADA
IPC分类号： G02B26/08 , G02B26/10
CPC分类号： G02B26/0858 , G02B26/101
摘要： An optical scanning device includes a mirror including a light reflection surface, a mirror support structure that supports the mirror, a pair of first driving beams connected to the mirror support structure and disposed on the corresponding sides of the mirror support structure, first driving sources disposed on the first driving beams and configured to cause the mirror to rotate around a first axis that passes through the center of the light reflection surface, and a fixed frame that supports the first driving beams. The center of gravity of the mirror and the mirror support structure is located on the first axis.

3. 发明授权

US08837029B2 Optical scanning device 有权
标题翻译：光学扫描装置
公开(公告)号：US08837029B2
公开(公告)日：2014-09-16
申请号：US14164334
申请日：2014-01-27
申请人： Tsukasa Yamada
发明人： Tsukasa Yamada
IPC分类号： G02B26/08 , G02B26/10
CPC分类号： G02B26/10 , G02B26/0858 , G02B26/101
摘要： Disclosed is an optical scanning device, including a mirror, a first drive beam configured to swing the mirror around a first axis, and a second drive beam configured to swing the mirror around a second axis, wherein the second drive beam is provided in such a manner that a plurality of beams extending in a direction intersecting with a direction of the second axis are joined with adjacent beams at edge portions thereof, and thereby has a zigzag shape, and each of the plurality of beams includes a rib extending in a direction of a width of the beam.
摘要翻译：公开了一种光学扫描装置，包括反射镜，被配置为围绕第一轴摆动反射镜的第一驱动光束以及被配置为围绕第二轴摆动反射镜的第二驱动光束，其中第二驱动光束设置在在与第二轴的方向相交的方向上延伸的多个光束在其边缘部分与相邻的光束接合，从而具有锯齿形状，并且每个光束包括沿着梁的宽度。

4. 发明申请

US20140016170A1 ACTUATOR AND OPTICAL SCANNING DEVICE USING ACTUATOR 有权
标题翻译：使用执行器的执行器和光学扫描装置
公开(公告)号：US20140016170A1
公开(公告)日：2014-01-16
申请号：US14031162
申请日：2013-09-19
申请人： Tsukasa YAMADA , Masato Ehara
发明人： Tsukasa YAMADA , Masato Ehara
IPC分类号： G02B26/10 , H02N2/12
CPC分类号： G02B26/105 , G02B7/1821 , G02B26/0858 , G02B26/10 , H02N2/10 , H02N2/123
摘要： An actuator includes: a pair of supporting beams to support an object from both sides thereof in a direction parallel to an axis of rotation; a pair of movable beams to sandwich the object and the pair of supporting beams from both sides in a direction perpendicular to the axis of rotation; a plurality of beams to sandwich the pair of movable frames from both sides thereof in the direction perpendicular to the axis of rotation and support the object; a resonant drive source to apply bending vibration to the pair of movable frames and drive the object around the axis of rotation when a resonant drive operation is performed; and a non-resonant drive source to apply bending vibration to the plurality of beams and tilt and drive the object around a second axis of rotation perpendicular to the axis of rotation when a non-resonant drive operation is performed.
摘要翻译：致动器包括：一对支撑梁，用于在平行于旋转轴线的方向上从两侧支撑物体; 一对可动梁，用于在垂直于旋转轴线的方向上从两侧夹住物体和一对支撑梁; 多个光束，在与旋转轴线垂直的方向上从其两侧夹着一对可动框架并支撑物体; 谐振驱动源，用于在执行谐振驱动操作时对所述一对可动框架施加弯曲振动并驱动所述物体绕所述旋转轴线; 以及非谐振驱动源，用于对多个光束施加弯曲振动，并且当执行非谐振驱动操作时，围绕垂直于旋转轴线的第二旋转轴旋转并驱动物体。

5. 发明申请

US20120062970A1 ACTUATOR AND OPTICAL SCANNING DEVICE USING ACTUATOR 有权
标题翻译：使用执行器的执行器和光学扫描装置
公开(公告)号：US20120062970A1
公开(公告)日：2012-03-15
申请号：US13319380
申请日：2010-04-21
申请人： Tsukasa Yamada , Masato Ehara
发明人： Tsukasa Yamada , Masato Ehara
IPC分类号： G02B26/10 , H01L41/053
CPC分类号： G02B26/105 , G02B7/1821 , G02B26/0858 , G02B26/10 , H02N2/10 , H02N2/123
摘要： An actuator which tilts and drives an object to be driven around an axis of rotation includes: a pair of supporting beams arranged to support the object to be driven from both sides thereof in a direction parallel to the axis of rotation; a pair of movable beams arranged to sandwich the object to be driven and the pair of supporting beams from both sides in a direction perpendicular to the axis of rotation; a drive source arranged to apply bending vibration to the movable frames; and a pair of connection parts arranged to connect the movable frames and end portions of the supporting beams by a multiple-beam structure, convert the bending vibration into torsional vibration, and transmit the torsional vibration to the supporting beams.
摘要翻译：一个致动器，其倾斜并驱动围绕旋转轴线驱动的物体，包括：一对支撑梁，其布置成沿平行于旋转轴线的方向从其两侧支撑被驱动物体; 一对可动梁，其布置成在垂直于旋转轴线的方向上夹住待驱动物体和一对支撑梁，驱动源，其布置成对可动框架施加弯曲振动; 以及一对连接部件，其布置成通过多梁结构连接可动框架和支撑梁的端部，将弯曲振动转换成扭转振动，并将扭转振动传递到支撑梁。

6. 发明授权

US07759634B2 Position detecting device capable of improving detection accuracy 有权
标题翻译：能够提高检测精度的位置检测装置
公开(公告)号：US07759634B2
公开(公告)日：2010-07-20
申请号：US12148793
申请日：2008-04-22
申请人： Toyoki Tanaka , Tsukasa Yamada
发明人： Toyoki Tanaka , Tsukasa Yamada
IPC分类号： G01D5/34 , G01B11/14
CPC分类号： G01D5/34746 , G02B7/08 , H02N2/025
摘要： A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. One of the optical position detecting element and the position information portion is mounted on the movable portion while the other thereof is mounted on an internal wall of a cabinet. The position information portion has a pattern where a signal level produced by the optical position detecting element changes in a continuous manner when the movable portion moves in a predetermined direction. The position detecting device carries out position detection of the movable portion in accordance with the signal level.
摘要翻译：位置检测装置包括光学位置检测元件和位置信息部分，它们彼此相对设置。光学位置检测元件和位置信息部分中的一个安装在可动部分上，而另一个安装在机柜的内壁上。位置信息部分具有当可移动部分沿预定方向移动时由光学位置检测元件产生的信号电平以连续的方式变化的图案。位置检测装置根据信号电平进行可动部的位置检测。

7. 发明授权

US07733587B2 Position detecting device capable of improving detection accuracy 失效
标题翻译：能够提高检测精度的位置检测装置
公开(公告)号：US07733587B2
公开(公告)日：2010-06-08
申请号：US12176578
申请日：2008-07-21
申请人： Toyoki Tanaka , Tsukasa Yamada
发明人： Toyoki Tanaka , Tsukasa Yamada
IPC分类号： G02B7/02
CPC分类号： H02N2/062 , G01D5/34715 , G02B7/08 , H02N2/025
摘要： A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. The position information portion has a binary pattern where a high light efficient portion and a low light efficient portion are alternately repeated when the movable portion moves in a predetermined direction. The position detecting device includes a loose position detecting portion for detecting a loose position of the movable portion by counting a pulse signal obtained by the optical position detecting element, a close position detecting portion for detecting a close position of the movable portion by counting pulse number of driving pulses which are applied to an electromechanical transducer from a position where the loose position detection is carried out, and a combining arrangement for combining the loose position with the close position to calculate a current position of the movable portion.
摘要翻译：位置检测装置包括光学位置检测元件和位置信息部分，它们彼此相对设置。位置信息部分具有当可动部分沿预定方向移动时交替重复高光效部分和低光效部分的二进制图案。位置检测装置包括松动位置检测部分，用于通过对由光学位置检测元件获得的脉冲信号进行计数来检测可移动部分的松动位置;闭合位置检测部分，用于通过计数脉冲数来检测可移动部分的关闭位置从执行松开位置检测的位置施加到机电换能器的驱动脉冲，以及用于将松动位置与关闭位置组合的组合装置，以计算可动部分的当前位置。

8. 发明授权

US07633208B2 Driving device capable of transferring vibrations generated by an electro-mechanical transducer to a vibration friction portion with a high degree of efficiency 有权
标题翻译：能够以高效率将由机电换能器产生的振动传递到振动摩擦部的驱动装置
公开(公告)号：US07633208B2
公开(公告)日：2009-12-15
申请号：US12082948
申请日：2008-04-15
申请人： Tsukasa Yamada , Takahiko Nishiyama , Soumei Takahashi , Toyoki Tanaka
发明人： Tsukasa Yamada , Takahiko Nishiyama , Soumei Takahashi , Toyoki Tanaka
IPC分类号： H01L41/08 , H02N2/00
CPC分类号： H02N2/025 , H02N2/007
摘要： A driving device includes an electro-mechanical transducer having first and second end portions opposite to each other in an expansion/contraction direction, a stationary member coupled to the first end portion of the electro-mechanical transducer, a vibration friction portion coupled to the second end portion of the electro-mechanical transducer, and a rod-shaped moving portion frictionally coupled to the vibration friction portion, whereby moving the moving portion in the expansion/contraction direction of the electro-mechanical transducer. The vibration friction portion is made of a material having a vibration transfer rate of 4900 meters/second or more. The moving portion is made of a material which has a vibration transfer rate of 4900 meters/second or more and which is different from that of the vibration friction portion.
摘要翻译：一种驱动装置，包括具有在膨胀/收缩方向上彼此相对的第一和第二端部的机电换能器，耦合到机电换能器的第一端部的固定构件，耦合到第二端部的振动摩擦部分机电换能器的端部，以及与振动摩擦部摩擦连接的杆状移动部，由此使机电换能器的伸缩方向移动移动部。振动摩擦部由振动传递率为4900米/秒以上的材料构成。移动部分由振动传递率为4900米/秒以上且与振动摩擦部分不同的材料制成。

9. 发明申请

US20090027785A1 POSITION DETECTING DEVICE CAPABLE OF IMPROVING DETECTION ACCURACY 失效
标题翻译：能够提高检测精度的位置检测装置
公开(公告)号：US20090027785A1
公开(公告)日：2009-01-29
申请号：US12176578
申请日：2008-07-21
申请人： Toyoki TANAKA , Tsukasa Yamada
发明人： Toyoki TANAKA , Tsukasa Yamada
IPC分类号： G02B7/04 , G01B11/14
CPC分类号： H02N2/062 , G01D5/34715 , G02B7/08 , H02N2/025
摘要： A position detecting device includes an optical position detecting element and a position information portion which are disposed so as to be opposed to each other. The position information portion has a binary pattern where a high light efficient portion and a low light efficient portion are alternately repeated when the movable portion moves in a predetermined direction. The position detecting device includes a loose position detecting portion for detecting a loose position of the movable portion by counting a pulse signal obtained by the optical position detecting element, a close position detecting portion for detecting a close position of the movable portion by counting pulse number of driving pulses which are applied to an electromechanical transducer from a position where the loose position detection is carried out, and a combining arrangement for combining the loose position with the close position to calculate a current position of the movable portion.
摘要翻译：位置检测装置包括光学位置检测元件和位置信息部分，它们彼此相对设置。位置信息部分具有当可动部分沿预定方向移动时交替重复高光效部分和低光效部分的二进制图案。位置检测装置包括松动位置检测部分，用于通过对由光学位置检测元件获得的脉冲信号进行计数来检测可移动部分的松动位置;闭合位置检测部分，用于通过计数脉冲数来检测可移动部分的关闭位置从执行松开位置检测的位置施加到机电换能器的驱动脉冲，以及用于将松动位置与关闭位置组合的组合装置，以计算可动部分的当前位置。

10. 发明申请

US20080236729A1 Bonding method for laminated piezoelectric element 审中-公开
标题翻译：层压压电元件的接合方法
公开(公告)号：US20080236729A1
公开(公告)日：2008-10-02
申请号：US12079327
申请日：2008-03-26
申请人： Tsukasa Yamada , Takahiko Nishiyama , Toyoki Tanaka
发明人： Tsukasa Yamada , Takahiko Nishiyama , Toyoki Tanaka
IPC分类号： B29C65/54
CPC分类号： H02N2/025 , G02B7/08 , G02B7/102 , H01L41/313
摘要： A laminated piezoelectric element includes plural internal electrodes which are laminated and has a dead area at outer regions thereof. The laminated piezoelectric element has first and second end surfaces in an expansion direction thereof. On bonding a first bonded surface of a piezoelectric element fixing portion to the first end surface, a bonding method includes forming a first ring-shaped adhesive accumulation in the first bonded surface, accumulating an elastic adhesive agent in the first ring-shaped adhesive accumulation, and bonding the first end surface to the first bonded surface. On boding a vibration friction element to the second end surface, the bonding method includes forming, in a second bonded surface of the vibration friction element, a positioning guide hole for guiding the second end surface of the laminated piezoelectric element and a second ring-shaped adhesive accumulation, accumulating the elastic adhesive agent in the second ring-shaped adhesive accumulation, and bonding the second end surface to the vibration friction portion.
摘要翻译：叠层压电元件包括层叠的多个内部电极，并且在其外部区域具有死区。叠层压电元件在其膨胀方向具有第一和第二端面。在将压电元件固定部分的第一接合表面接合到第一端面上的接合方法包括在第一接合表面中形成第一环形粘合剂聚集，在第一环形粘合剂聚集中积聚弹性粘合剂，以及将所述第一端面接合到所述第一接合面。在将振动摩擦元件固定到第二端面上时，接合方法包括在振动摩擦元件的第二接合表面中形成用于引导层叠压电元件的第二端面的定位引导孔和第二环形在第二环状粘合剂堆积中积聚弹性粘合剂，并将第二端面粘合到振动摩擦部。

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