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    • 1. 发明授权
    • Flash synchronizing device
    • 闪光同步装置
    • US5291237A
    • 1994-03-01
    • US874285
    • 1992-04-24
    • Shigeru TagamiTomihiko AoyamaTeruyo HayakawaHiroshi YamazakiYuji NakajimaSeiichi Imano
    • Shigeru TagamiTomihiko AoyamaTeruyo HayakawaHiroshi YamazakiYuji NakajimaSeiichi Imano
    • G03B7/095G03B7/16G03B15/05G03B15/03G03B7/08
    • G03B7/16G03B7/095
    • A camera has a shutter which may also constitute a diaphragm. In a multi-flash mode the shutter selectively has a maximum aperture at an onset or at the end of the time base. The flash occurs in synchronism with a shutter waveform shaped by this aperture area and a time base element. In a second embodiment, a second diaphragm setting circuit is provided, in diaphragm priority photography, for computing a measurement value of a distance to a subject and a second diaphragm value from the guide number during an emission of flashed light. The diaphragm is set to the computed second diaphragm value, ad an electronic flash is energized with a desired aperture area. The diaphragm is set to an initial value to effect the photography at a time other than during the emission of flashed light. A timing circuit may be provided for setting the diaphragm to the second diaphragm value. The aperture area may be increased or decreased for diaphragm matching with the quantity of flashed light and the distance to the subject during diaphragm priority flash photography.
    • 相机具有也可以构成隔膜的快门。 在多闪光模式中,快门在时基的开始或结束时选择性地具有最大光圈。 闪光与由该开口区域和时基元件形成的快门波形同步地发生。 在第二实施例中,在隔膜优先摄影中设置第二隔膜设置电路,用于在闪光灯发射期间计算距离被摄体的距离的测量值和来自引导号的第二光阑值。 光阑被设定为计算出的第二光阑值,电子闪光灯被所需的光圈区域通电。 隔膜被设置为初始值,以在除了发光之前的时间进行摄影。 可以提供定时电路用于将隔膜设置到第二隔膜值。 在光圈优先闪光摄影期间,可以增加或减少光圈匹配与闪光量和被摄体距离的光圈面积。
    • 4. 发明授权
    • Wideband interferometer type polarization light beam combiner and splitter
    • 宽带干涉仪型偏振光束组合器和分离器
    • US08787710B2
    • 2014-07-22
    • US13321780
    • 2010-06-02
    • Takayuki MizunoTakashi GohHiroshi YamazakiShin KameiTsutomu Kitoh
    • Takayuki MizunoTakashi GohHiroshi YamazakiShin KameiTsutomu Kitoh
    • G02B6/26
    • G02B6/12007G02B6/12023
    • A interferometer type polarization beam combiner and splitter, which can combine or split polarized light over a wide band, is provided. The interferometer type polarization beam combiner and splitter includes: an optical splitter; an optical coupler; an optical path length difference imparting unit, which includes a plurality of optical waveguides arranged between the optical splitting unit and the optical coupling unit; one or two input/output ports connected to the optical splitter; and two input/output ports connected to the optical coupler. A half-integer of a wavelength of λc is set as a normalized phase difference, for the optical path length difference imparting unit, between two polarization states, and means for generating a difference in refractive index dispersion is provided between the optical waveguides of the optical path length difference imparting unit, so that the change rate of the transmittance with respect to wavelength is suppressed for the two polarization states.
    • 提供了可以在宽带上组合或分离偏振光的干涉仪型偏振光束组合器和分离器。 干涉仪型偏振光束组合器和分离器包括:光分路器; 光耦合器; 光路长度差分赋予单元,其包括布置在光分离单元和光耦合单元之间的多个光波导; 连接到光分路器的一个或两个输入/输出端口; 和连接到光耦合器的两个输入/输出端口。 在光路长度差分赋予单元之间,将两个偏振态之间的波长λc的半整数设定为归一化相位差,并且在光学的光波导之间设置用于产生折射率色散差的装置 路径长度差分赋予单元,从而对于两个偏振态抑制透射率相对于波长的变化率。
    • 5. 发明授权
    • Magnetic sensor having magneto-resistive elements on a substrate
    • 磁传感器在基片上具有磁阻元件
    • US08451003B2
    • 2013-05-28
    • US12844091
    • 2010-07-27
    • Hiroshi YamazakiHiraku HirabayashiNaoki Ohta
    • Hiroshi YamazakiHiraku HirabayashiNaoki Ohta
    • G01R33/09
    • G01R33/091G01D5/145
    • A magnetic sensor having first to fourth magneto-resistive elements, where the first and second magneto-resistive elements are connected at respective ends through a first connecting portion in a central region, and the third and fourth magneto-resistive elements are connected at respective ends through a second connecting portion that is parallel to the first connecting portion. The first and fourth magneto-resistive elements are connected at respective other ends through a third connecting portion, and the second and third magneto-resistive elements are connected at respective other ends through a fourth connecting portion. Depending on an external signal magnetic field, resistance values of the first and third magneto-resistive elements change in a same increasing or decreasing direction, whereas resistance values of the second and fourth magneto-resistive elements change in an increasing or decreasing direction opposite to the direction of the first and third magneto-resistive elements.
    • 一种具有第一至第四磁阻元件的磁传感器,其中第一和第二磁阻元件通过中心区域中的第一连接部分在各自的端部连接,第三和第四磁阻元件在各自的端部连接 通过与第一连接部分平行的第二连接部分。 第一和第四磁阻元件在相应的另一端通过第三连接部连接,并且第二和第三磁阻元件通过第四连接部在相应的另一端连接。 取决于外部信号磁场,第一和第三磁阻元件的电阻值以相同的增加或减小的方向变化,而第二和第四磁阻元件的电阻值在与 第一和第三磁阻元件的方向。
    • 7. 发明申请
    • DRIVING SYSTEM OF RELIEF SAFETY VALVE
    • 安全阀驱动系统
    • US20110249784A1
    • 2011-10-13
    • US13080303
    • 2011-04-05
    • Hiroshi YamazakiMikihide NakamaruKazuhiro Kamei
    • Hiroshi YamazakiMikihide NakamaruKazuhiro Kamei
    • G21C9/004
    • G21C9/004G21D1/02G21D3/04Y02E30/40
    • In one embodiment a relief safety valve driving system that supplies a driving gas by use of a relief safety valve driving unit and thereby opens a relief safety valve provided in a main steam system of a nuclear power plant if an accident or a transient state occurs, for protecting a reactor against pressurization, wherein the relief safety valve driving unit opens the relief safety valve by supplying the driving gas to the relief safety valve by one or more auto-depressurization system actuating signals, among auto-depressurization system actuating signals respectively belonging to three safety segments, or by a relief valve functions actuating signal, and closes the relief safety valve without supplying the driving gas thereto when none of the auto-depressurization system actuating signals and the relief valve functions actuating signal is generated.
    • 在一个实施例中,一种救援安全阀驱动系统,其通过使用安全阀驱动单元提供驱动气体,从而打开设在核电站主蒸汽系统中的泄压安全阀,如果发生事故或暂态, 用于保护反应堆免受加压,其中所述排放安全阀驱动单元通过一个或多个自动减压系统致动信号将所述驱动气体供应到所述排放安全阀来打开所述排放安全阀,所述自动减压系统致动信号分别属于 三个安全段或安全阀作用于启动信号,并且当不产生自动减压系统启动信号和安全阀功能致动信号时,不向其提供驱动气体而关闭泄压安全阀。