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公开(公告)号：US07315164B2
公开(公告)日：2008-01-01
申请号：US11342408
申请日：2006-01-30
申请人： Yoshiaki Hata , Kazumi Sugitani , Ryuichi Yoshida , Shuichi Fujii , Hideaki Nakanishi , Takayuki Hoshino , Hirohisa Sueyoshi
发明人： Yoshiaki Hata , Kazumi Sugitani , Ryuichi Yoshida , Shuichi Fujii , Hideaki Nakanishi , Takayuki Hoshino , Hirohisa Sueyoshi
IPC分类号： G01B7/14
摘要： A drive unit in accordance with the present invention is provided with a magnetic field generating member generating a magnetic field, a magnetic field detecting device constituted by first, second and third magnetic field detecting elements detecting the magnetic field, and a piezoelectric actuator moving the magnetic field generating member. When executing a relative positioning between the magnetic field generating member and the magnetic field detecting device on the basis of a detection result by the magnetic field detecting device, a first positioning is executed on the basis of the detection result of the first and second magnetic field detecting elements in a predetermined region, and a second positioning is executed on the basis of the detection result of the third magnetic field detecting element at a predetermined point apart from the predetermined region, within a movable range in which the magnetic field generating member moves. In accordance with the structure, it is possible to position the movable body at a high precision, even in the case that a plurality of position detecting points of the movable body of the drive unit exist at a wide interval.
摘要翻译： 根据本发明的驱动单元设置有产生磁场的磁场产生构件，由检测磁场的第一，第二和第三磁场检测元件构成的磁场检测装置，以及将磁性元件移动的压电致动器 场产生部件。 基于磁场检测装置的检测结果，在磁场产生部件和磁场检测装置之间进行相对定位时，基于第一和第二磁场的检测结果执行第一定位 在预定区域内检测元件，并且在磁场产生构件移动的可移动范围内，基于第三磁场检测元件在与预定区域相隔的预定点处的检测结果来执行第二定位。 根据该结构，即使在驱动单元的可动体的多个位置检测点以大的间隔存在的情况下，也可以高精度地定位移动体。
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公开(公告)号：US20060170418A1
公开(公告)日：2006-08-03
申请号：US11342408
申请日：2006-01-30
申请人： Yoshiaki Hata , Kazumi Sugitani , Ryuichi Yoshida , Shuichi Fujii , Hideaki Nakanishi , Takayuki Hoshino , Hirohisa Sueyoshi
发明人： Yoshiaki Hata , Kazumi Sugitani , Ryuichi Yoshida , Shuichi Fujii , Hideaki Nakanishi , Takayuki Hoshino , Hirohisa Sueyoshi
IPC分类号： G01B7/14
摘要： A drive unit in accordance with the present invention is provided with a magnetic field generating member generating a magnetic field, a magnetic field detecting device constituted by first, second and third magnetic field detecting elements detecting the magnetic field, and a piezoelectric actuator moving the magnetic field generating member. When executing a relative positioning between the magnetic field generating member and the magnetic field detecting device on the basis of a detection result by the magnetic field detecting device, a first positioning is executed on the basis of the detection result of the first and second magnetic field detecting elements in a predetermined region, and a second positioning is executed on the basis of the detection result of the third magnetic field detecting element at a predetermined point apart from the predetermined region, within a movable range in which the magnetic field generating member moves. In accordance with the structure, it is possible to position the movable body at a high precision, even in the case that a plurality of position detecting points of the movable body of the drive unit exist at a wide interval.
摘要翻译： 根据本发明的驱动单元设置有产生磁场的磁场产生构件，由检测磁场的第一，第二和第三磁场检测元件构成的磁场检测装置，以及将磁性元件移动的压电致动器 场产生部件。 基于磁场检测装置的检测结果，在磁场产生部件和磁场检测装置之间进行相对定位时，基于第一和第二磁场的检测结果执行第一定位 在预定区域内检测元件，并且在磁场产生构件移动的可移动范围内，基于第三磁场检测元件在与预定区域相隔的预定点处的检测结果来执行第二定位。 根据该结构，即使在驱动单元的可动体的多个位置检测点以大的间隔存在的情况下，也可以高精度地定位移动体。
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公开(公告)号：US07737610B2
公开(公告)日：2010-06-15
申请号：US12224744
申请日：2007-02-13
IPC分类号： H01L41/08
CPC分类号： H02N2/025 , H01L41/042
摘要： Provided is a self-propelled drive apparatus that enables stable drive and low cost, the apparatus includes: a movable member which has an electromechanical transducer whose one end is fixed to the movable member and the other end is fixed to a drive friction member, which is movably supported by the movable member movably in the first direction, which represents a extension-contraction direction A-B of the electromechanical transducer, where the movable member is supported movably in the first direction; a pair of plate springs which extend in a belt shape in the first direction and sandwich the drive friction member; a base member holding the plate springs in a cantilever manner in the direction of the short sides of the plate springs; and auxiliary springs disposed on the outside of the plate springs to apply elastic force only to both ends of each of the plate springs.
摘要翻译： 本发明提供一种能够稳定驱动并且成本低廉的自推进驱动装置，该装置包括：具有机电换能器的可动构件，其一端固定在可动构件上，另一端固定在驱动摩擦构件上， 可移动构件沿第一方向可移动地支撑，该第一方向表示机电换能器的伸缩方向AB，其中可移动构件沿第一方向可移动地被支撑; 一对板簧，沿着第一方向延伸成带状并夹着驱动摩擦构件; 保持板簧在板簧的短边方向上以悬臂方式固定的基件; 以及设置在板簧的外侧的辅助弹簧，以仅对每个板簧的两端施加弹力。
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公开(公告)号：US20090026886A1
公开(公告)日：2009-01-29
申请号：US12224744
申请日：2007-02-13
IPC分类号： H02N2/00
CPC分类号： H02N2/025 , H01L41/042
摘要： Provided is a self-propelled drive apparatus that enables stable drive and low cost, the apparatus includes: a movable member which has an electromechanical transducer whose one end is fixed to the movable member and the other end is fixed to a drive friction member, which is movably supported by the movable member movably in the first direction, which represents a extension-contraction direction A-B of the electromechanical transducer, where the movable member is supported movably in the first direction; a pair of plate springs which extend in a belt shape in the first direction and sandwich the drive friction member; a base member holding the plate springs in a cantilever manner in the direction of the short sides of the plate springs; and auxiliary springs disposed on the outside of the plate springs to apply elastic force only to both ends of each of the plate springs.
摘要翻译： 本发明提供一种能够稳定驱动并且成本低廉的自推进驱动装置，该装置包括：具有机电换能器的可动构件，其一端固定在可动构件上，另一端固定在驱动摩擦构件上， 可移动构件沿第一方向可移动地支撑，该第一方向表示机电换能器的伸缩方向AB，其中可移动构件沿第一方向可移动地被支撑; 一对板簧，沿着第一方向延伸成带状并夹着驱动摩擦构件; 保持板簧在板簧的短边方向上以悬臂方式固定的基件; 以及设置在板簧的外侧的辅助弹簧，以仅对每个板簧的两端施加弹力。
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公开(公告)号：US20090160372A1
公开(公告)日：2009-06-25
申请号：US12296321
申请日：2007-04-10
IPC分类号： H02K41/035
摘要： In order to provide a driving device that is capable of eliminating sticking of a movable member due to nonuse, the driving device includes a drive shaft that reciprocates in axial directions with expansion and contraction of an electromechanical transducer element, a movable member that frictionally engages with the drive shaft, and a drive circuit that inputs drive voltage into the electromechanical transducer element, the drive circuit outputting drive operation pattern voltage having a frequency (fd1′) lower than a resonance frequency (fr) of the electromechanical transducer element and lower than a frequency (fd1) that maximizes moving velocity of the movable member and sticking elimination pattern voltage having a frequency lower than the frequency (fd1′) of the drive operation pattern voltage and in vicinity of a frequency (fd2) that maximizes thrust acting on the movable member.
摘要翻译： 为了提供一种驱动装置，其能够消除由于不使用而引起的可动部件的粘着，驱动装置包括：驱动轴，该驱动轴在机电换能器元件的膨胀和收缩下沿轴向往复运动，可动部件与 驱动轴和驱动电路，其将驱动电压输入到机电换能器元件中，所述驱动电路输出具有低于机电换能器元件的谐振频率（fr）的频率（fd1'）的驱动操作模式电压，并且低于 频率（fd1），其使可动构件的移动速度最大化，并且具有低于驱动操作模式电压的频率（fd1'）的频率的附着消除图案电压，并且使得作用在可动件上的推力最大化的频率（fd2）附近 会员。
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公开(公告)号：US08026688B2
公开(公告)日：2011-09-27
申请号：US12296321
申请日：2007-04-10
IPC分类号： H02N2/02
摘要： In order to provide a driving device that is capable of eliminating sticking of a movable member due to nonuse, the driving device includes a drive shaft that reciprocates in axial directions with expansion and contraction of an electromechanical transducer element, a movable member that frictionally engages with the drive shaft, and a drive circuit that inputs drive voltage into the electromechanical transducer element, the drive circuit outputting drive operation pattern voltage having a frequency (fd1′) lower than a resonance frequency (fr) of the electromechanical transducer element and lower than a frequency (fd1) that maximizes moving velocity of the movable member and sticking elimination pattern voltage having a frequency lower than the frequency (fd1′) of the drive operation pattern voltage and in vicinity of a frequency (fd2) that maximizes thrust acting on the movable member.
摘要翻译： 为了提供一种驱动装置，其能够消除由于不使用而引起的可动部件的粘着，驱动装置包括：驱动轴，该驱动轴在机电换能器元件的膨胀和收缩下沿轴向往复运动，可动部件与 驱动轴和驱动电路，其将驱动电压输入到机电换能器元件中，所述驱动电路输出具有低于机电换能器元件的谐振频率（fr）的频率（fd1'）的驱动操作模式电压，并且低于 频率（fd1），其使可动构件的移动速度最大化，并且具有低于驱动操作模式电压的频率（fd1'）的频率的附着消除图案电压，并且使得作用在可动件上的推力最大化的频率（fd2）附近 会员。
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公开(公告)号：US09188761B2
公开(公告)日：2015-11-17
申请号：US13013260
申请日：2011-01-25
CPC分类号： G02B7/021 , G02B6/4226 , G02B6/4228 , G02B6/4244 , G02B6/4251 , G02B27/00 , Y10T29/49826
摘要： An optical device includes: an optical component; a case air-sealed, and made of metal, the optical component being secured within the case; and a lens provided within the case, and positionally adjusted in consideration of a deformation of the case air-sealed, light emitted from the optical component passing through the lens or light traveling to the optical component passing through the lens.
摘要翻译： 光学装置包括：光学部件; 气密的壳体，由金属制成，光学部件固定在壳体内; 以及设置在壳体内的透镜，并且考虑到通过透镜的光学部件发射的光或透过透镜的光学部件的光发生的气密的壳体的变形而进行位置调整。
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公开(公告)号：US08033148B2
公开(公告)日：2011-10-11
申请号：US12312249
申请日：2007-11-08
IPC分类号： B60R25/02
CPC分类号： B60R21/05 , B60R25/0211 , B60R25/02153 , Y10T70/5664 , Y10T70/5956
摘要： A rod guide portion (5) is protruded on a frame body (4), and a lock rod (10) is disposed in the rod guide portion (5) so as to be freely movable between a locked position and an unlocked position. A guide-side weak portion (13) and a rod-side weak portion (14) are provided on the rod guide portion (5) and the lock rod (10), respectively. A deadlock mechanism (15A) is provided, which locks a tip end side of the lock rod (10), the tip end side being cut off at the rod-side weak portion (14), at a position at a point of time when the lock rod (10) is cut off when the rod guide portion (5) and the lock rod (10) are cut off at positions of the guide-side weak portion (13) and the rod-side guide portion (14). A lock position holding device (30) is provided, which does not move an upper rod portion (10a) located closer to a base end side of the lock rod (10) than the rod-side weak portion (14) thereof to the unlocked position when the rod guide portion (5) and the lock rod (10) are cut off at the guide-side weak portion (13) and the rod-side weak portion (14).
摘要翻译： 杆引导部分（5）突出在框体（4）上，锁杆（10）设置在杆引导部分（5）中，以在锁定位置和解锁位置之间自由移动。 引导侧弱部（13）和杆侧弱部（14）分别设置在杆引导部（5）和锁定杆（10）上。 设置有死锁机构（15A），该死锁机构（15A）锁定锁定杆（10）的前端侧，其末端侧在杆侧弱部（14）处被切断， 当导杆部分（5）和锁定杆（10）在导向侧弱部（13）和杆侧引导部分（14）的位置被切断时，锁定杆（10）被切断。 提供了一种锁定位置保持装置（30），其不使位于锁定杆（10）的基端侧的上杆部（10a）比其杆侧弱部（14）更靠近解锁 当引导部分（5）和锁定杆（10）在引导侧弱部（13）和杆侧弱部（14）处被切断时的位置。
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公开(公告)号：US07969063B2
公开(公告)日：2011-06-28
申请号：US12524201
申请日：2008-01-07
申请人： Ryuichi Yoshida
发明人： Ryuichi Yoshida
CPC分类号： H02N2/067 , C08G2650/04 , H02N2/025
摘要： A driver, including: a piezoelectric element extending and contracting upon application of an electrical voltage; a driving member having one end secured to the piezoelectric element; a frictionally coupling member, frictionally coupling the driving member; and a drive circuit, connected with a power supply to activate the piezoelectric element at a predetermined period, including: a charge switching element for connecting an electrode of the piezoelectric element with the power supply, a discharge switching element, and a protective resistor arranged in an electric path between the power supply and the piezoelectric element or between the piezoelectric element and a ground point, wherein a resistance value of the protective resistor is set larger than an ON resistance of the switching element but smaller than a value obtained by dividing one half of the drive period of the switching element by a capacitance of the piezoelectric element, in a predetermined period.
摘要翻译： 一种驱动器，包括：施加电压时延伸和收缩的压电元件; 驱动构件，其一端固定在压电元件上; 摩擦联接构件，摩擦地联接所述驱动构件; 以及驱动电路，与电源连接以在预定时间段激活压电元件，包括：用于将压电元件的电极与电源连接的充电开关元件，放电开关元件和布置在其中的保护电阻器 电源和压电元件之间或压电元件与接地点之间的电路，其中保护电阻器的电阻值设定为大于开关元件的导通电阻，但小于通过将一半分压得到的值 的开关元件的驱动周期通过压电元件的电容。
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公开(公告)号：US07705516B2
公开(公告)日：2010-04-27
申请号：US12082460
申请日：2008-04-10
IPC分类号： H01L41/09
摘要： It is provided a drive unit 1 in which the displacement amount of the frictional engagement member 7 can be reduced without lowering the driving torque, having a drive circuit 4 comprised of a bridge circuit which includes charge switching elements Q1, Q3 for connecting the electrodes 5a, 5b of the piezoelectric element 5 to the power supply 2 and discharge switching elements Q2, Q4 for connecting the electrodes 5a, 5b to ground, and a switch circuit 9 for inserting a limiting resistor R2 in at least either one of an current path between the power supply 2 and the piezoelectric element 5 and an current path between the piezoelectric element 5 and the ground.
摘要翻译： 提供了一种驱动单元1，其中可以减小摩擦接合构件7的位移量而不降低驱动扭矩，该驱动单元具有包括桥接电路的驱动电路4，该桥接电路包括用于连接电极5a的充电开关元件Q1，Q3 压电元件5的5b，以及用于将电极5a，5b连接到地的放电开关元件Q2，Q4，以及用于将限制电阻R2插入到电极5a，5b之间的电流路径中的至少一个的开关电路9， 电源2和压电元件5以及压电元件5与地之间的电流路径。
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