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    • 1. 发明授权
    • Protecting circuit against short-circuit of output terminal of AC adapter
    • 保护电路免受AC适配器输出端短路
    • US06788503B2
    • 2004-09-07
    • US10067059
    • 2002-02-04
    • Hiromi KatoYuji Yamanaka
    • Hiromi KatoYuji Yamanaka
    • H02H700
    • H02J7/0029
    • A protecting circuit against short-circuit of an output terminal of an AC adapter, includes a current output switching transistor in which a power source is connected to an emitter thereof and an output terminal is connected to a collector thereof, a first switching transistor which is turned on when a controlled constant-voltage is over an available range of a voltage difference between a voltage of said power source and an output voltage, a second switching transistor which is connected to be turned on when the first switching transistor is turned on, a switch control amplifier which controls a switching operation so that the current output switching transistor is turned off when a voltage of the power source is a predetermined voltage or less, and a constant-current control amplifier which controls a constant current when the second switching transistor is turned on and enters a protecting operation state.
    • 一种防止AC适配器的输出端子短路的保护电路,包括电流输出开关晶体管,其中电源连接到其发射极,输出端连接到其集电极,第一开关晶体管是 当受控恒定电压超过所述电源的电压和输出电压之间的电压差的可用范围时,导通;当所述第一开关晶体管导通时连接到导通的第二开关晶体管, 开关控制放大器,其控制开关动作,使得当所述电源的电压为预定电压以下时所述电流输出开关晶体管截止;以及恒定电流控制放大器,当所述第二开关晶体管为 打开并进入保护操作状态。
    • 5. 发明申请
    • Traversing In-Core Probe Drive Unit and Method for Monitoring Friction of Inside of Guide Tubes
    • 运行内核探头驱动单元和监控导管内部摩擦力的方法
    • US20120001012A1
    • 2012-01-05
    • US13172226
    • 2011-06-29
    • Hidehiko YASUTAHiromi Kato
    • Hidehiko YASUTAHiromi Kato
    • B65H43/00
    • G21C17/10
    • A TIP drive unit that calculates a cable drive torque stably is provided. In accordance with the invention, Traversing In-core Probe (TIP) drive unit includes a housing, a storage reel configured to storage the probe cable, a drive mechanism including a motor, and configured to feed the probe cable form the storage reel and spool the probe cable onto the storage reel, a motor controller configured to drive the motor at a predefined rotating speed, a processor configured to calculate a cable drive torque that is a torque necessary for moving the TIP and the probe cable by using a value of supply power necessary for driving the motor, a value of the predefined rotating speed of the motor, and a loss torque that is a torque necessary for driving the drive mechanism, and a noise filter configured to remove noise included in a signal indicating the value of the supply power.
    • 提供了稳定地计算电缆驱动转矩的提示驱动单元。 根据本发明,移动内核探头(TIP)驱动单元包括壳体,构造成存储探针电缆的存储卷轴,包括马达的驱动机构,并且构造成将探针电缆从存储卷轴和卷轴 所述探针电缆到所述存储卷轴上,马达控制器被配置为以预定转速驱动所述马达;处理器,被配置为计算电缆驱动转矩,所述电缆驱动转矩是通过使用供给值来移动所述TIP和所述探针电缆所需的转矩 用于驱动电机所需的电力,电动机的预定转速的值和作为驱动驱动机构所需的转矩的损失转矩,以及噪声滤波器,被配置为去除包含在表示该驱动机构的信号的信号中的噪声 供电。
    • 10. 发明授权
    • Projection type image display apparatus
    • 投影型图像显示装置
    • US06183090B2
    • 2001-02-06
    • US09098455
    • 1998-06-17
    • Hiroshi NakanishiIkuo TakaharaHiromi KatoHiroshi Hamada
    • Hiroshi NakanishiIkuo TakaharaHiromi KatoHiroshi Hamada
    • G03B2114
    • G02B27/149G02B27/1026G02B27/1046G02B27/145H04N9/3105H04N9/3167
    • A projection type image display apparatus of the present invention includes: a light source; a polarization selective reflection element having a function of reflecting or transmitting a light beam from the light source in accordance with a polarization direction thereof; and an element for modulating a polarization plane of an incident light beam in accordance with an image to be displayed. The polarization selective reflection element is film-like and has an optical transmission axis and an optical reflection axis. The polarization selective reflection element transmits a first linearly polarized light beam, and reflects a second linearly polarized light beam having a polarization plane orthogonal to a polarization plane of the first linearly polarized light beam, regardless of a direction of incidence of a light beam with respect to the polarization selective reflection element.
    • 本发明的投影型图像显示装置包括:光源; 具有根据其偏振方向从光源反射或透射光束的功能的偏振选择反射元件; 以及用于根据要显示的图像调制入射光束的偏振面的元件。 偏光选择反射元件是膜状的,并且具有光透射轴和光反射轴。 偏振选择反射元件透射第一线性偏振光束,并且反射具有与第一线性偏振光束的偏振面正交的偏振面的第二线偏振光束,而不管光束的入射方向如何 到偏振选择反射元件。