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    • 1. 发明授权
    • Drive apparatus
    • 驱动装置
    • US06194811B1
    • 2001-02-27
    • US09280536
    • 1999-03-30
    • Satoshi ShinkeYasuo Nishihara
    • Satoshi ShinkeYasuo Nishihara
    • H02N200
    • H02N2/067H02N2/025
    • A drive apparatus having a drive pulse generation device that generates drive pulses. An electromechanical transducer has a first end and a second end. The electromechanical transducer expands and contracts in response to pulses supplied from the drive pulse generation device. A support member is secured to the first end of the electromechanical transducer in the expansion/contraction direction thereof. A first friction member secured to the second end of the electromechanical transducer in the extension/contraction direction thereof. A second friction member frictionally coupled to the first friction member. A load detection device detects the magnitude of a drive load. A drive control device carries out drive control on the basis of the detection results of the load detection device.
    • 一种驱动装置,具有产生驱动脉冲的驱动脉冲发生装置。 机电换能器具有第一端和第二端。 机电换能器响应于从驱动脉冲发生装置提供的脉冲而膨胀和收缩。 支撑构件在其机械振子的膨胀/收缩方向上被固定到机电换能器的第一端。 在机电换能器的延伸/收缩方向固定到第二端的第一摩擦件。 摩擦联接到第一摩擦件的第二摩擦件。 负载检测装置检测驱动负载的大小。 驱动控制装置根据负载检测装置的检测结果进行驱动控制。
    • 2. 发明授权
    • Actuator utilizing piezoelectric transducer
    • 致动器利用压电换能器
    • US06437489B1
    • 2002-08-20
    • US09705333
    • 2000-11-03
    • Satoshi ShinkeHiroji Katsuragi
    • Satoshi ShinkeHiroji Katsuragi
    • H01L4122
    • H01L41/0836H01L41/0475H02N2/025Y10S310/80
    • There is provided an actuator utilizing a piezoelectric transducer that is structured in small size by feeding the electrical power to the internal surface to the piezoelectric transducer formed in the cylindrical shape. The electrodes are formed to both front and rear surfaces of a sheet type piezoelectric element and this element is wound in the cylindrical shape. The cylindrical material is normalized under the predetermined temperature and a voltage is applied across the electrodes for the polarization purpose. An electrode terminal having the contactors is inserted to the internal surface of the piezoelectric transducer formed in the cylindrical shape and the contactors are placed in contact with the electrodes exposed at the internal surface of the cylindrical shape for the purpose of power feeding.
    • 提供一种致动器,其利用通过将形成为圆柱形形状的压电换能器的内部表面的电力供给而构造成小尺寸的压电换能器。 电极形成在片状压电元件的前表面和后表面上,并且该元件被卷绕成圆柱形。 圆柱形材料在预定温度下被标准化,并且为了极化目的而在电极上施加电压。 具有接触器的电极端子被插入到形成为圆柱形状的压电换能器的内表面中,并且接触器与暴露在圆筒形内表面处的电极接触以供电。
    • 4. 发明授权
    • Drive device
    • 驱动装置
    • US6153963A
    • 2000-11-28
    • US189077
    • 1998-11-09
    • Satoshi ShinkeYasuhiro OkamotoRyuichi Yoshida
    • Satoshi ShinkeYasuhiro OkamotoRyuichi Yoshida
    • G05D3/00H01L41/09H02N2/00H02N2/08H01L41/06
    • H02N2/025
    • A drive unit 20, comprising a moving body 24 and a friction drive member 26 fixedly attached at each end of a piezoelectric element 22 in the layer direction, is disposed between a pair of fixed friction members 14 having a plurality of divided contact parts 15 divided by notches 14s formed at equal spacing along the movement path of the friction drive member 26. The divided contact parts 15 are arrayed so as to be slightly inserted into the movement path of the friction drive member 26, and become elastically deformed when in contact with the friction drive member 26 so as to exert a force on friction drive member 26 in reaction thereto. This exerted force remains uniform regardless of the relative position of the friction drive member 26.
    • 驱动单元20包括在层压方向上固定地安装在压电元件22的每一端的移动体24和摩擦驱动构件26,所述驱动单元被布置在具有多个分开的接触部分15的一对固定摩擦件14之间 通过沿着摩擦驱动构件26的移动路径以相等间隔形成的凹口14s。分开的接触部分15被排列成稍微插入到摩擦驱动构件26的移动路径中,并且当与摩擦驱动构件26接触时变得弹性变形 摩擦驱动构件26,以便在摩擦驱动构件26上产生作用力。 无论摩擦驱动构件26的相对位置如何,该施加的力保持均匀。
    • 5. 发明申请
    • VIBRATION-TYPE DRIVE APPARATUS, AND CONTROL METHOD FOR VIBRATION-TYPE DRIVE APPARATUS
    • 振动式驱动装置及振动式驱动装置的控制方法
    • US20120200240A1
    • 2012-08-09
    • US13502192
    • 2010-10-06
    • Ryuichi YoshidaSatoshi Shinke
    • Ryuichi YoshidaSatoshi Shinke
    • H02N2/06
    • H02N2/062H02N2/025
    • A drive apparatus includes: an electromechanical transducer element wherein mechanical displacement will occur when a voltage is applied thereto, a drive member that is moved by the electromechanical transducer element, a moving member that engages with the drive member so as to be able to make a slipping displacement relative to the same, regulating members for limiting the movement of the moving member by coming into contact with the moving member, a drive circuit for applying a cyclical drive voltage to the electromechanical transducer element, a detecting circuit for detecting the impedance of the electromechanical transducer element, and an evaluating means for determining that the moving member is in contact with one of the regulating members when the value detected by the detecting circuit is not less than a prescribed value.
    • 驱动装置包括:机电换能器元件,其中当施加电压时将发生机械位移,由机电换能器元件移动的驱动构件,与驱动构件接合以便能够形成 相对于其移动的滑动位移,用于通过与移动构件接触来限制移动构件的运动的调节构件,用于向机电换能器元件施加循环驱动电压的驱动电路,用于检测电动机构的阻抗的检测电路 机电换能器元件,以及评估装置,用于当检测电路检测到的值不小于规定值时,确定移动部件与其中一个限制部件接触。
    • 7. 发明授权
    • Driving device
    • 驱动装置
    • US08026688B2
    • 2011-09-27
    • US12296321
    • 2007-04-10
    • Ryuichi YoshidaHirohisa SueyoshiSatoshi ShinkeShinichi Yamamoto
    • Ryuichi YoshidaHirohisa SueyoshiSatoshi ShinkeShinichi Yamamoto
    • H02N2/02
    • H02N2/025G02B7/08H02N2/067
    • 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.
    • 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。
    • 9. 发明授权
    • Drive device using electromechanical transducer
    • 使用机电换能器的驱动装置
    • US6051909A
    • 2000-04-18
    • US997653
    • 1997-12-23
    • Satoshi ShinkeYasuhiro OkamotoRyuichi YoshidaHaruyuki NakanoJunji FujitaYoshitaka Sugimoto
    • Satoshi ShinkeYasuhiro OkamotoRyuichi YoshidaHaruyuki NakanoJunji FujitaYoshitaka Sugimoto
    • H01L41/04H01L41/09H02N2/06H02N2/04
    • H02N2/025
    • A drive device using an electromechanical transducer having inconsiderable loss of drive energy and excellent drive efficiency even with variation in load in which an elastic member is arranged between a driven member frictionally coupled to a drive member and a frictional member fitted to an opening of the driven member whereby drive force is transmitted from the drive member to the driven member with no loss of energy, a frictional force between the drive member and the driven member is periodically changed, an average frictional force is increased when a shift between a phase of variation in a drive velocity and a phase of variation in the frictional force is null, when the shift between the phases is 180.degree., the average frictional force is adjusted to decrease whereby the drive efficiency can be promoted, and when the device is stopped, the drive device can be protected against unintentional external force bringing the drive member and the driven member into fixing contact with each other by an electromechanical transducer.
    • 一种使用机电传感器的驱动装置,其具有不可忽视的驱动能量损失和优异的驱动效率,即使在负载变化的情况下,弹性构件布置在摩擦联接到驱动构件的从动构件和装配到被驱动的开口的摩擦构件之间 构件,其中驱动力从驱动构件传递到从动构件而不会损失能量,驱动构件和从动构件之间的摩擦力周期性地改变,当变化相位之间的变化时,平均摩擦力增加 驱动速度和摩擦力变化的相位为零,当相位之间的偏移为180°时,平均摩擦力被调节为减小,从而可以促进驱动效率,并且当装置停止时,驱动 可以保护装置免受意外的外力,使驱动构件和从动构件与e固定接触 ach另一个由机电换能器。
    • 10. 发明授权
    • Drive device using electromechanical conversion element
    • 使用机电转换元件的驱动装置
    • US5986826A
    • 1999-11-16
    • US991550
    • 1997-12-16
    • Akira KosakaTetsuro KanbaraSatoshi Shinke
    • Akira KosakaTetsuro KanbaraSatoshi Shinke
    • G02B27/64G02B7/02G02B15/14G02B25/00
    • G02B27/646
    • A drive device for driving an optical element suitable to be attached to a camera shake correction device. The drive device employs items molded from a synthetic resin in which the elastic deformation of the synthetic resin allows the oscillation of a piezoelectric element to be adequately converted to drive power. The drive device includes an electromechanical conversion element, a baseplate equipped with a securing area secured to one end of the electromechanical conversion element, and a drive member that is securely linked to the other end of the electromechanical conversion element and displaced together with the electromechanical conversion element. The device further includes a transport member constructed from a rigid synthetic resin material with a Rockwell hardness of about 120 or more and which is frictionally linked to the drive member.
    • 一种用于驱动适于附接到相机抖动校正装置的光学元件的驱动装置。 驱动装置采用由合成树脂模制的物品,其中合成树脂的弹性变形允许将压电元件的振荡充分转换成驱动力。 驱动装置包括机电转换元件,配备有固定到机电转换元件的一端的固定区域的底板以及与机电转换元件的另一端牢固连接并与机电转换一起移位的驱动构件 元件。 该装置还包括由洛氏硬度为约120或更大的刚性合成树脂材料构成的运输构件,其与驱动构件摩擦连接。