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    • 2. 发明授权
    • Motor drive circuit
    • 电机驱动电路
    • US08618763B2
    • 2013-12-31
    • US12690993
    • 2010-01-21
    • Joji NoieToshiyuki ImaiTakahiro IidaTetsuya Yoshitomi
    • Joji NoieToshiyuki ImaiTakahiro IidaTetsuya Yoshitomi
    • G05B11/28
    • H02P6/20
    • The invention provides a motor with a low speed start function and a soft start function. The motor includes a first pulse generation circuit generating a first pulse signal of which a first duty ratio of one of logic levels is increased as a drive voltage corresponding the target rotation speed of the motor is increased, a second pulse generation circuit generating a second pulse signal of which a second duty ratio of one of logic levels is different from the first duty ratio, and a drive control circuit supplying a drive current to a motor coil at the second duty ratio in order to start the rotation of the motor that is stopping and supplying a drive current to the motor coil at the first duty ratio after a predetermined time passes from the start of the rotation of the motor in response to a rotation signal corresponding to the rotation of the motor.
    • 本发明提供一种具有低速启动功能和软启动功能的电动机。 电动机包括:第一脉冲发生电路,其产生第一脉冲信号,其中一个逻辑电平的第一占空比随着与电动机的目标转速对应的驱动电压增加而增加,第二脉冲产生电路产生第二脉冲 逻辑电平之一的第二占空比与第一占空比不同的信号,以及以第二占空比向电动机线圈提供驱动电流的驱动控制电路,以便开始正在停止的电动机的旋转 以及响应于与电动机的旋转相对应的旋转信号,从电动机的旋转开始经过预定时间之后,以第一占空比向电动机线圈提供驱动电流。
    • 3. 发明申请
    • POSITION DETECTING SYSTEM AND POSITION DETECTING METHOD
    • 位置检测系统和位置检测方法
    • US20110181273A1
    • 2011-07-28
    • US12882336
    • 2010-09-15
    • Takahiro IidaAtsushi ChibaAtsushi KimuraAkio Uchiyawa
    • Takahiro IidaAtsushi ChibaAtsushi KimuraAkio Uchiyawa
    • G01R33/00
    • A61B1/041A61B1/00158A61B5/062A61B5/073A61B5/7257
    • To provide a position detecting system including a detected object disposed in a detection space and an external device disposed outside the detection space. The detected object includes a resonant circuit that generates a resonant magnetic field according to a driving magnetic field formed in the detection space, and the external device includes at least two drive coils that form the driving magnetic field in the detection space, at least two drive-signal input units that respectively input a drive signal for forming the driving magnetic field to the drive coils, at least one sense coil that detects a magnetic field formed in the detection space, a signal adjustment unit that adjusts a phase and an amplitude of the drive signal input to each of the drive coils by the drive-signal input units, based on a magnetic field detected by the sense coil, and a position deriving unit that derives a position of the detected object based on the magnetic field detected by the sense coil.
    • 提供一种位置检测系统,其包括设置在检测空间中的检测物体和设置在检测空间外部的外部装置。 所检测的物体包括谐振电路,其根据形成在检测空间中的驱动磁场产生谐振磁场,并且外​​部装置包括在检测空间中形成驱动磁场的至少两个驱动线圈,至少两个驱动 - 信号输入单元,其分别将用于形成驱动磁场的驱动信号输入到驱动线圈;至少一个检测在检测空间中形成的磁场的感测线圈;信号调节单元,其调整所述驱动线圈的相位和幅度 基于由感测线圈检测的磁场,由驱动信号输入单元输入到每个驱动线圈的驱动信号;以及位置导出单元,其基于由感测检测到的磁场导出检测到的对象的位置 线圈
    • 5. 发明授权
    • Opening and closing apparatus
    • 开闭装置
    • US08191311B2
    • 2012-06-05
    • US12427270
    • 2009-04-21
    • Ryousuke SakamakiTakahiro Iida
    • Ryousuke SakamakiTakahiro Iida
    • E05F15/06
    • E05F15/46E05F15/44E05Y2900/531
    • An opening and closing apparatus having an opening and closing body, a drive portion, a control portion, and a detecting device is disclosed. The detecting device has a sensor portion for detecting the capacitance between the sensor portion and an object that is in the proximity of the sensor portion or is contacting the sensor portion. The detecting device detects that the object is in the proximity of the sensor portion or is contacting the sensor portion based on the capacitance detected by the sensor portion. If the detecting device detects contact of the object with the sensor portion when the opening and closing body is not being moved, the control portion controls the drive portion to start opening the opening and closing body. If the detecting device detects that the object is in the proximity of the sensor portion when the opening and closing body is being closed, the control portion controls the drive portion to stop or reverse the movement of the opening and closing body.
    • 本发明公开了具有开闭体,驱动部,控制部以及检测装置的开闭装置。 检测装置具有用于检测传感器部分和传感器部分附近的物体之间的电容或者与传感器部分接触的传感器部分。 检测装置检测到物体在传感器部分附近,或者基于由传感器部分检测到的电容而接触传感器部分。 如果检测装置在打开和关闭主体未被移动时检测到物体与传感器部分的接触,则控制部分控制驱动部分开始打开和关闭主体。 如果检测装置在打开和关闭主体被关闭时检测到物体处于传感器部分附近,则控制部分控制驱动部分来停止或反转打开和关闭主体的移动。
    • 6. 发明申请
    • Intra-aortic balloon catheter
    • 主动脉内气囊导管
    • US20070005010A1
    • 2007-01-04
    • US10566298
    • 2004-07-29
    • Kenji MoriTakahiro Iida
    • Kenji MoriTakahiro Iida
    • A61M29/00
    • A61M25/10A61M1/1008A61M1/106A61M1/1072A61M1/1086A61M1/122A61M1/125
    • The intra-aortic balloon catheter comprises a catheter tube 8a having a fluid flow channel 9a for balloon expansion and a blood flow channel 10a for blood pressure measurement, and a balloon 2a attached to a distal end portion of said catheter tube 8a and having an expansion/contraction portion 3a to be expanded and contracted as a result of flowing a fluid in and out through said fluid flow channel 9a. The balloon 2a is joined with said catheter tube 8a at a distal end portion 4a and proximal end portion 5a of said balloon 2a. A blood inlet 31a is formed on said catheter tube 8a, so that inside of said blood flow channel 10a communicates with outside of said catheter tube 8a. The blood inlet 31a positions on the proximal end side of a boundary 50 with said expansion/contraction portion 3a on the proximal end portion 5a of said balloon 2a.
    • 主动脉内气囊导管包括具有用于球囊扩张的流体流动通道9a和用于血压测量的血流通道10a的导管8a,以及附接到所述导管8的远端部分的气囊2a 并且具有膨胀/收缩部分3a由于使流体流入和流出所述流体流动通道9a而使其膨胀和收缩。 气球2a与所述气囊2a的远端部分4a和近端部分5a处的所述导管8a连接。 在所述导管8a上形成有血液入口31a,使得所述血流通道10a的内部与所述导管8a的外部连通。 血液入口31a位于与所述膨胀/收缩部分3a在所述气囊2a的基端部分5a上的边界50的近端侧上的位置。
    • 7. 发明授权
    • Motor drive circuit
    • 电机驱动电路
    • US08030864B2
    • 2011-10-04
    • US12483168
    • 2009-06-11
    • Toshiyuki ImaiTakahiro IidaJoji Noie
    • Toshiyuki ImaiTakahiro IidaJoji Noie
    • H02P6/16
    • H02P6/06
    • A motor drive circuit includes a first amplifier circuit to amplify a difference between first and second position detection signals with a gain becoming smaller according to drop in power supply voltage, to output a first amplification signal, the first and second position detection signals being signals indicating a rotational position of a rotor in a motor, having a frequency corresponding to a rotation speed of the motor, and being opposite in phase to each other; a second amplifier circuit to amplify the difference between the first and second position detection signals with the gain, to output a second amplification signal opposite in phase to the first amplification signal; and a drive circuit to amplify the difference between the first amplification signal and the second amplification signal with a predetermined gain to be saturated at the power supply voltage, to output a driving voltage for driving the motor.
    • 电动机驱动电路包括:第一放大电路,用于根据电源电压的下降放大第一和第二位置检测信号之间的差值,输出第一放大信号;第一和第二位置检测信号是指示 电动机中的转子的旋转位置,具有与电动机的转速对应的频率,并且彼此相位相反; 第二放大器电路,用于以增益放大第一和第二位置检测信号之间的差,以输出与第一放大信号相位相反的第二放大信号; 以及驱动电路,以在所述电源电压下以预定的增益来放大所述第一放大信号和所述第二放大信号之间的差,以输出用于驱动所述电动机的驱动电压。
    • 8. 发明申请
    • Motor Drive Circuit
    • 电机驱动电路
    • US20100033118A1
    • 2010-02-11
    • US12483168
    • 2009-06-11
    • Toshiyuki ImaiTakahiro IidaJoji Noie
    • Toshiyuki ImaiTakahiro IidaJoji Noie
    • H02P6/06
    • H02P6/06
    • A motor drive circuit includes a first amplifier circuit to amplify a difference between first and second position detection signals with a gain becoming smaller according to drop in power supply voltage, to output a first amplification signal, the first and second position detection signals being signals indicating a rotational position of a rotor in a motor, having a frequency corresponding to a rotation speed of the motor, and being opposite in phase to each other; a second amplifier circuit to amplify the difference between the first and second position detection signals with the gain, to output a second amplification signal opposite in phase to the first amplification signal; and a drive circuit to amplify the difference between the first amplification signal and the second amplification signal with a predetermined gain to be saturated at the power supply voltage, to output a driving voltage for driving the motor.
    • 电动机驱动电路包括:第一放大电路,用于根据电源电压的下降放大第一和第二位置检测信号之间的差值,输出第一放大信号;第一和第二位置检测信号是指示 电动机中的转子的旋转位置,具有与电动机的转速对应的频率,并且彼此相位相反; 第二放大器电路,用于以增益放大第一和第二位置检测信号之间的差,以输出与第一放大信号相位相反的第二放大信号; 以及驱动电路,以在所述电源电压下以预定的增益来放大所述第一放大信号和所述第二放大信号之间的差,以输出用于驱动所述电动机的驱动电压。
    • 9. 发明申请
    • Balloon Catheter
    • 气球导管
    • US20070203453A1
    • 2007-08-30
    • US10594919
    • 2005-03-29
    • Kenji MoriTakahiro Iida
    • Kenji MoriTakahiro Iida
    • A61M29/00
    • A61M25/10A61M1/106A61M1/107A61M1/1072A61M1/1074A61M1/125A61M25/0032A61M2025/0034
    • An intra-aortic balloon catheter 20 having a balloon part 22 inserted inside the aorta and inflating and deflating to assist heart functions, an outer tube 24 connected to the proximal end of the balloon part 22 to introduce and guide out pressurized fluid inside the balloon part 22, and an inner tube 30 to which the distal end of the balloon part 22 is connected and extending through the insides of the balloon part 22 and outer tube 24 in the axial direction. The inner tube 30 is fused or adhered to the inside wall of the outer tube 24 over a length of 50% or greater of the total length L1 from the distal end of the outer tube 24. The inner tube 30 is engaged with the inside wall of the outer tube 24 by a cut piece 54 at the distal end of the outer tube 24.
    • 主动脉内球囊导管20,其具有插入主动脉内部的气囊部分22和充气和放气以辅助心脏功能;外管24,其连接到球囊部分22的近端以引导和引导气囊部分内的加压流体 22和内管30,球囊部22的前端连接并沿着轴向延伸穿过气囊部22和外管24的内侧。 内管30从外管24的远端以总长度L 1的50%以上的长度熔合或粘合到外管24的内壁。 内管30通过在外管24的远端的切割片54与外管24的内壁接合。
    • 10. 发明授权
    • Positioning system and method of position detecting
    • 定位系统及位置检测方法
    • US08447382B2
    • 2013-05-21
    • US12787705
    • 2010-05-26
    • Atsushi KimuraRyoji SatoAtsushi ChibaTakahiro Iida
    • Atsushi KimuraRyoji SatoAtsushi ChibaTakahiro Iida
    • A61B5/05
    • A61B5/06A61B1/00158A61B1/041A61B5/0031A61B5/062A61B5/7257
    • A body-insertable device including a resonance circuit for emitting a resonance magnetic field by being induced by a drive magnetic field received from the outside. An external device for deriving position information of the resonance circuit by using a detection signal of detected resonance magnetic field. The external device includes a drive coil driving unit for outputting a drive signal having a predetermined frequency, a drive coil for receiving the output drive signal and generating the drive magnetic field, and a drive magnetic field generation control unit for calculating an amplitude value of the drive signal by using a current amplitude value of the drive signal, detecting a degree of stability indicating whether a sharp change occurs in the drive magnetic field based on the calculated amplitude value, and controlling the deriving of a position information based on the detected degree of stability in the drive magnetic field.
    • 一种被检体内导入装置,具有通过由从外部接收的驱动磁场感应而发出共振磁场的谐振电路。 一种用于通过使用检测到的谐振磁场的检测信号来导出谐振电路的位置信息的外部装置。 外部装置包括用于输出具有预定频率的驱动信号的驱动线圈驱动单元,用于接收输出驱动信号并产生驱动磁场的驱动线圈和用于计算驱动磁场产生控制单元的振幅值的驱动磁场产生控制单元, 通过使用驱动信号的当前振幅值来检测驱动信号,基于计算出的振幅值检测指示在驱动磁场中是否发生急剧变化的稳定度,并且基于检测到的程度来控制位置信息的导出 驱动磁场的稳定性。