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    • 4. 发明申请
    • PROTECTIVE RELAYING DEVICE
    • 保护继电器
    • US20130090875A1
    • 2013-04-11
    • US13687019
    • 2012-11-28
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G01R17/12
    • G01R17/12H02H3/302H03L7/00H04J3/00
    • According to one embodiment, a protective relaying device includes a phase difference calculating unit configured to calculate a phase difference between a phase obtained by shifting a phase of first current data by 180°, and a phase of second current data, a setting unit configured to calculate a target value of elimination of a sampling synchronization error caused by a difference between a transmission delay time of up-transmission, and a transmission delay time of down-transmission on the basis of the phase difference, and to set the calculated target value, and a sampling synchronization control unit configured to carry out control of sampling synchronization such that a difference between a time TM and a time TF.
    • 根据一个实施例,保护中继装置包括:相位差计算单元,被配置为计算通过将第一电流数据的相位移位180°而获得的相位与第二电流数据的相位之间的相位差;设置单元, 根据相位差计算由上传传输延迟时间和下传传输延迟时间之间的差引起的取样同步误差消除的目标值,并设定计算出的目标值, 以及采样同步控制单元,被配置为执行采样同步的控制,使得时间TM和时间TF之间的差异。
    • 6. 发明申请
    • Internal Power Supply Circuit Having a Cascode Current Mirror Circuit
    • 具有串联电流镜电路的内部电源电路
    • US20090230770A1
    • 2009-09-17
    • US12147098
    • 2008-06-26
    • Atsushi TAKEUCHIAtsumasa Sako
    • Atsushi TAKEUCHIAtsumasa Sako
    • G05F3/08
    • G11C11/4074G11C5/143G11C5/147Y10T307/50Y10T307/76
    • A current mirror circuit which is connected to first and second power supplies and generates a desired current, has a plurality of first transistors which are connected in parallel to the first power supply side and the gates of which are connected to a common node, a plurality of second transistors which are cascode-connected to the plurality of first transistors and the gates of which are supplied with a cascode bias potential and a cascode bias generation circuit which generates the cascode bias potential, wherein the cascode bias generation circuit maintains the cascode bias potential during normal operation at a first potential between the potentials of the first and second power supplies, and maintains the cascode bias potential during power-on at a second potential closer to the potential of the second power supply than the first potential.
    • 连接到第一和第二电源并产生期望电流的电流镜电路具有并联连接到第一电源侧并且其栅极连接到公共节点的多个第一晶体管,多个 第二晶体管被共模连接到多个第一晶体管并且其栅极被提供有共源共栅偏压电位和产生共源共栅偏压电位的共源共栅偏压产生电路,其中共源共栅偏压产生电路保持共源共栅偏压电位 在第一和第二电源的电位之间的第一电势的正常操作期间,并且在第二电位处的上电期间保持级联偏置电位,该第二电位比第一电位更接近第二电源的电位。
    • 9. 发明申请
    • MICROSCOPE SYSTEM
    • 微观系统
    • US20120182608A1
    • 2012-07-19
    • US13296918
    • 2011-11-15
    • Atsushi TAKEUCHI
    • Atsushi TAKEUCHI
    • G02B21/36
    • G02B21/24G02B21/0008G02B21/362G02B21/368
    • A microscope system which can improve the ease of use and the observation environment when a sample is observed using a microscope formed of a stand and a main body which is removable from the stand. A microscope is formed of a main body and a stand, and the main body is removable from the stand. The main body includes an objective lens, an image optical system, a CCD, a compact monitor and a battery, so that the main body, when removed from the stand, can function independently as a microscope. If the main body is mechanically connected to the stand, the main body and the stand are electrically connected via connectors, and an observation image captured by the CCD is supplied from the main body to the stand via the connectors, and is displayed on a monitor.
    • 当使用由支架和可从支架移除的主体形成的显微​​镜观察样品时,可以提高使用方便性和观察环境的显微镜系统。 显微镜由主体和支架形成,主体可从支架上移除。 主体包括物镜,图像光学系统,CCD,小型监视器和电池,使得主体从支架移除时可以独立地作为显微镜工作。 如果主体机械地连接到支架,则主体和支架通过连接器电连接,并且由CCD捕获的观察图像通过连接器从主体供给到支架,并且被显示在监视器上 。