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    • 3. 发明授权
    • Apparatus and method for driving an induction motor
    • 用于驱动感应电动机的装置和方法
    • US07906933B2
    • 2011-03-15
    • US11764820
    • 2007-06-19
    • Daisuke TanHirohisa SatomiShigetoshi OkamatsuKoichi Miyazaki
    • Daisuke TanHirohisa SatomiShigetoshi OkamatsuKoichi Miyazaki
    • H02P27/04
    • H02P27/04
    • An induction motor drive includes a plurality of inverters, a changeover switch which changes over outputs of the plurality of inverters to be supplied to one induction motor and a changeover controller which controls the changeover switch on the basis of a failure detection signal of one inverter to change over from the one inverter to another inverter to start the other inverter so that the induction motor is driven. The changeover controller includes a frequency/phase detector which always detects a frequency and a phase of a terminal voltage of the induction motor and a starting frequency/phase setting device which controls a frequency and a phase at starting of the other inverter in accordance with detected values of the frequency/phase detector when the failure signal is inputted.
    • 感应电动机驱动器包括多个逆变器,转换开关,其转换为提供给一个感应电动机的多个逆变器的输出;以及转换控制器,其基于一个逆变器的故障检测信号来控制转换开关 从一个变频器切换到另一个变频器,启动另一个变频器,使感应电动机被驱动。 切换控制器包括频率/相位检测器,其总是检测感应电动机的端子电压的频率和相位;以及起动频率/相位设置装置,其根据检测到的控制另一个逆变器启动时的频率和相位 输入故障信号时的频率/相位检测器的值。
    • 4. 发明申请
    • APPARATUS AND METHOD FOR DRIVING AN INDUCTION MOTOR
    • 用于驱动电动机的装置和方法
    • US20080007196A1
    • 2008-01-10
    • US11764820
    • 2007-06-19
    • Daisuke TanHirohisa SatomiShigetoshi OkamatsuKoichi Miyazaki
    • Daisuke TanHirohisa SatomiShigetoshi OkamatsuKoichi Miyazaki
    • H02P27/04
    • H02P27/04
    • An induction motor drive includes a plurality of inverters, a changeover switch which changes over outputs of the plurality of inverters to be supplied to one induction motor and a changeover controller which controls the changeover switch on the basis of a failure detection signal of one inverter to change over from the one inverter to another inverter to start the other inverter so that the induction motor is driven. The changeover controller includes a frequency/phase detector which always detects a frequency and a phase of a terminal voltage of the induction motor and a starting frequency/phase setting device which controls a frequency and a phase at starting of the other inverter in accordance with detected values of the frequency/phase detector when the failure signal is inputted.
    • 感应电动机驱动器包括多个逆变器,转换开关,其转换为提供给一个感应电动机的多个逆变器的输出;以及转换控制器,其基于一个逆变器的故障检测信号来控制转换开关 从一个变频器切换到另一个变频器,启动另一个变频器,使感应电动机被驱动。 切换控制器包括频率/相位检测器,其总是检测感应电动机的端子电压的频率和相位;以及起动频率/相位设置装置,其根据检测到的控制另一个逆变器启动时的频率和相位 输入故障信号时的频率/相位检测器的值。
    • 5. 发明授权
    • Print document conversion apparatus, print document conversion method, and computer readable medium
    • 打印文档转换装置,打印文档转换方法和计算机可读介质
    • US08537396B2
    • 2013-09-17
    • US13019736
    • 2011-02-02
    • Koichi Miyazaki
    • Koichi Miyazaki
    • G06F3/12G06K15/00
    • G06F3/1215G06F3/1213G06F3/124G06F3/1247G06F3/1288G06K15/00G06K15/1861
    • A print document conversion apparatus includes a plurality of software-based conversion units and a controller. The plurality of software-based conversion units perform a software-based conversion process for converting print document data described in a page description language into page image data having a bitmap image format. Each of the plurality of software-based conversion units requests a hardware-based image processing apparatus that executes specific image processing in the software-based conversion process to execute the specific image processing, and generates the page image data including a result of the image processing executed by the hardware-based image processing apparatus in response to the request. The controller activates an additional software-based conversion unit that performs the software-based conversion process when a state where at least one of the plurality of software-based conversion units waits for the hardware-based image processing apparatus to complete the image processing possibly occurs.
    • 打印文档转换装置包括多个基于软件的转换单元和控制器。 多个基于软件的转换单元执行用于将页面描述语言中描述的打印文档数据转换为具有位图图像格式的页面图像数据的基于软件的转换处理。 多个基于软件的转换单元中的每一个请求在基于软件的转换处理中执行特定图像处理的基于硬件的图像处理装置执行特定图像处理,并且生成包括图像处理结果的页面图像数据 由所述基于硬件的图像处理装置响应于所述请求执行。 当可以发生多个基于软件的转换单元中的至少一个等待基于硬件的图像处理装置完成图像处理的状态时,控制器激活附加的基于软件的转换单元,该转换单元执行基于软件的转换处理 。
    • 6. 发明授权
    • Method for aligning laser diode and optical fiber
    • 激光二极管和光纤对准的方法
    • US06690865B2
    • 2004-02-10
    • US09994615
    • 2001-11-28
    • Koichi Miyazaki
    • Koichi Miyazaki
    • G02B626
    • G02B6/4225G02B6/4227
    • The invention provides a method for efficiently performing the alignment work of a laser diode chip with an optical fiber. A laser diode chip is faced to a coupling end face of a lensed fiber. According to algorisms stored inside an algorism storage part, X, Y and Z stages move the lensed fiber for alignment. The lensed fiber takes in laser light as it is moved in the optical axis direction (Z-axis direction) of the laser light from the laser diode chip. The lensed fiber is moved in the Z-axis direction by every movement, a half of a wavelength of the laser light, on the basis of the reference position thereof. Every time at the step moving, a light power of the laser light incident into the lensed fiber is measured. A position where the measured value becomes the maximum or a neighboring position thereof is defined as the optimum position of the optical fiber in the Z-axis direction. After rough alignment by whirl alignment, the optimum position of the optical fiber on the XY plane is determined by microalignment according to a five-point alignment method.
    • 本发明提供了一种用于有效地执行具有光纤的激光二极管芯片的对准工作的方法。 激光二极管芯片面对透镜光纤的耦合端面。 根据存储在算法存储部分中的算法,X,Y和Z级移动透镜光纤进行对准。 透镜光纤在从激光二极管芯片的激光的光轴方向(Z轴方向)移动时,摄入激光。 根据其基准位置,透镜光纤沿Z轴方向移动一半的激光波长。 每次在步进移动时,测量入射到透镜光纤中的激光的光功率。 将测定值变成最大位置或其相邻位置的位置定义为光纤在Z轴方向上的最佳位置。 在通过旋转对准进行粗略对准之后,根据五点对准方法通过微对准来确定光纤在XY平面上的最佳位置。