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    • 1. 发明授权
    • Ultrasonic motor
    • 超声波电机
    • US08294334B2
    • 2012-10-23
    • US13019449
    • 2011-02-02
    • Hiroyuki TakizawaAkira MatsuiTomoki Funakubo
    • Hiroyuki TakizawaAkira MatsuiTomoki Funakubo
    • H01L41/08
    • H02N2/12
    • In an ultrasonic motor, an elliptical vibration is generated by combining a longitudinal primary resonance vibration resulting from an expansion and a contraction of a vibrator in a direction of a central axis and a torsional secondary resonance vibration or a torsional tertiary resonance vibration resulting from twisting around the central axis. A dimension ratio of a rectangle of the vibrator is chosen such that a resonance frequency of the longitudinal primary resonance vibration and a resonance frequency of the torsional secondary resonance vibration or the torsional tertiary resonance vibration match. The vibrator includes a plurality of regions in a surface orthogonal to the central axis, and deformations of the regions adjacent to each other along the direction of the central axis are mutually different. The vibrator expands and contracts in a direction orthogonal to a polarization direction thereof.
    • 在超声波马达中,通过将由振动器的膨胀和收缩产生的纵向主共振振动在中心轴方向和扭转二次共振振动或由扭转引起的扭转三次共振振动组合而产生椭圆振动 中心轴。 选择振动器的矩形的尺寸比,使得纵向主共振振动的共振频率和扭转二次共振振动或扭转三次共振振动的共振频率相匹配。 振动器包括在与中心轴线正交的表面中的多个区域,并且沿着中心轴线的方向彼此相邻的区域的变形是相互不同的。 振动器在与其偏振方向正交的方向上膨胀和收缩。
    • 2. 发明授权
    • Ultrasonic motor
    • 超声波电机
    • US08446066B2
    • 2013-05-21
    • US13014135
    • 2011-01-26
    • Akira MatsuiHiroyuki Takizawa
    • Akira MatsuiHiroyuki Takizawa
    • H02N2/02H01L41/09
    • H02N2/04
    • An ultrasonic motor is configured as follows. Namely, the ultrasonic motor includes an oscillator whose cross section vertical to a central axis has a rectangular shape which has a predetermined length ratio of a narrow side and a wide side, wherein the oscillator comprises driving electrodes and oscillation detecting electrodes near a node portion of the longitudinal oscillation and near ventral portions of the torsional oscillation, an external electrode achieving electrical conduction with the driving electrodes and an external electrode associated with one polarity of an external electrode achieving the electrical conduction with the oscillation detecting electrodes are formed on a first surface of outer surfaces of the oscillator, and an external electrode associated with the other polarity of the external electrode achieving the electrical conduction with the oscillation detection electrodes is formed on a second surface different from the first surface of the outer surfaces of the oscillator.
    • 超声波马达如下构成。 也就是说,超声波马达包括:振荡器,其横截面垂直于中心轴具有矩形形状,具有窄边和宽边的预定长度比,其中振荡器包括驱动电极和振荡检测电极附近的节点部分 扭转振荡的纵向振动和近腹部,与驱动电极实现导电的外部电极和与振荡检测电极实现导电的外部电极的与一个极性相关联的外部电极形成在第一表面上 在与振荡器的外表面的第一表面不同的第二表面上形成振荡器的外表面和与实现与振荡检测电极的导电的外部电极的另一极性相关联的外部电极。
    • 6. 发明授权
    • Ultrasonic motor
    • 超声波电机
    • US08390172B2
    • 2013-03-05
    • US13184849
    • 2011-07-18
    • Akira Matsui
    • Akira Matsui
    • H01L41/08
    • H01L41/0913H01L41/083H02N2/0045H02N2/103
    • According to one embodiment, an ultrasonic motor includes a transducer, a driven member, a pressing mechanism unit. The transducer includes stacked piezoelectric sheets on which internal electrodes are formed. The internal electrodes form driving activated areas and vibration detection activated areas in the transducer. The driving activated areas are located in portions which correspond to a node of the longitudinal vibration and an anti node of twisting vibration, so as to be symmetrical about a central plane in the stacking direction and a plane which is perpendicular to the stacking direction and includes the center axis, and are polarized in the stacking direction. The vibration detection activated areas are located in portions which correspond to a node of the longitudinal vibration and an anti node of the twisting vibration and are closer to the central plane than the driving activated areas, and are polarized in the stacking direction.
    • 根据一个实施例,超声波马达包括换能器,从动构件,按压机构单元。 换能器包括形成有内部电极的堆叠的压电片。 内部电极形成传感器的激活区域和振动检测激活区域。 驱动活化区域位于与纵向振动的节点和扭转振动的反节点相对应的部分中,以使其在堆叠方向上的中心平面和垂直于层叠方向的平面对称,并且包括 中心轴,并且在堆叠方向上极化。 振动检测激活区域位于与纵向振动的节点和扭转振动的反节点相对应的部分中,并且比驱动活动区域更靠近中心平面,并且在堆叠方向上被极化。
    • 8. 发明授权
    • Receiving apparatus
    • 接收装置
    • US08175559B2
    • 2012-05-08
    • US11571418
    • 2006-08-29
    • Masatoshi HomanAyako NagaseSeiichiro KimotoKazutaka NakatsuchiManabu FujitaAkira MatsuiToshiaki Shigemori
    • Masatoshi HomanAyako NagaseSeiichiro KimotoKazutaka NakatsuchiManabu FujitaAkira MatsuiToshiaki Shigemori
    • H04B17/02
    • A61B1/00016A61B1/00057A61B1/041H04B7/0805
    • The present invention is intended to be able to ensure detecting whether an open-circuit occurs to a feeder within short time with simple configuration. A receiving apparatus 2 according to the present invention receives image information transmitted from a capsule endoscope 3 through a coaxial cable and a receiving antenna selected and switched to from among coaxial cables 9a to 9d connected to receiving antennas 8a to 8d, respectively by a changeover switch 20. The receiving apparatus 2 includes a changeover switch 22, an open-circuit detecting circuit 23, and a control unit 26. The changeover switch 22 branches the coaxial cables 9a to 9d near the changeover switch 20, and selects and switches to one of the branched coaxial cables. The open-circuit detecting circuit 23 applies a direct-current voltage to the coaxial cable selected by the changeover switch 22 through a constant-current source 203, and detects whether an open-circuit occurs to the coaxial cable by determining whether a voltage of the coaxial cable is grounded. The control unit 26 controls the changeover switch 22 to perform selection/switching, and controls the open-circuit detecting circuit 23 to perform open-circuit detection synchronously with the selection/switching control over the changeover switch 22.
    • 本发明旨在能够以简单的结构确保在短时间内检测进料器是否发生开路。 根据本发明的接收装置2通过同轴电缆和从与接收天线8a至8d连接的同轴电缆9a至9d中选择和切换的接收天线分别接收从胶囊内窥镜3发送的图像信息,转换开关 接收装置2包括切换开关22,开路检测电路23和控制单元26.切换开关22将切换开关20附近的同轴电缆9a至9d分支,并选择并切换到 分支式同轴电缆。 开路检测电路23通过恒流源203对由切换开关22选择的同轴电缆施加直流电压,并且通过确定是否对该同轴电缆的电压进行判定来检测是否发生对同轴电缆的开路 同轴电缆接地。 控制单元26控制切换开关22进行选择/切换,并且控制开路检测电路23与切换开关22上的选择/切换控制同步地进行开路检测。
    • 9. 发明授权
    • Storage system, load distribution management method, and storage medium
    • 存储系统,负载分配管理方法和存储介质
    • US08086796B2
    • 2011-12-27
    • US12361786
    • 2009-01-29
    • Tsunehiro AraiMichiaki SekineAkira MatsuiHiroshi Suzuki
    • Tsunehiro AraiMichiaki SekineAkira MatsuiHiroshi Suzuki
    • G06F12/00
    • G06F3/061G06F3/0635G06F3/067G06F2206/1012
    • A host computer includes a virtual disk control part for controlling an input/output request into a virtual disk. A plurality of storage subsystems includes a load monitoring part for measuring a load on a physical disk by the input/output request and storing load information in a disk management table. The virtual disk control part identifies, upon receiving the input/output request into a not-ever-outputted space in a virtual disk, an appropriate logical disk on the virtual disk based on the load information in the disk management table, sends the input/output request to the storage subsystem having the identified logical disk, and updates, upon receiving a completion acknowledgement of the input/output request, the load information in the disk management table based on the load information in the logical disk map information table.
    • 主机包括用于控制到虚拟盘的输入/输出请求的虚拟盘控制部分。 多个存储子系统包括用于通过输入/输出请求测量物理盘上的负载并将负载信息存储在盘管理表中的负载监视部分。 虚拟磁盘控制部在基于磁盘管理表中的负载信息将虚拟磁盘中的输入/输出请求接收到虚拟磁盘中未被输出的空间中的情况下,识别虚拟磁盘上的适当的逻辑磁盘, 向具有所识别的逻辑磁盘的存储子系统输出请求,并且在基于逻辑磁盘映射信息表中的负载信息更新磁盘管理表中的负载信息时,在接收到输入/输出请求的完成确认后更新。