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    • 92. 发明申请
    • SEPARATOR FOR FLAT-TYPE POLYELECTROLYTE FUEL CELL AND POLYELECTROLYTE FUEL CELL EMPLOYING THAT SEPARATOR
    • 用于平面型聚电解质燃料电池的分离器
    • US20080124612A1
    • 2008-05-29
    • US11948212
    • 2007-11-30
    • Takanori MaedaHiroshi YagiYoshinori Oota
    • Takanori MaedaHiroshi YagiYoshinori Oota
    • H01M2/14
    • H01M8/2418H01M8/0206H01M8/0221H01M8/0228H01M8/0256H01M8/0271H01M8/1007H01M8/242
    • A separator having a separator member coupled body having a metal plate as a base body, and formed by integrally coupling a plurality of separator members each having through holes for feeding fuel to an electrolyte of the fuel cell, said through holes arranged so as to correspond to the unit cell and to be perpendicular to a surface of said base body, and frame coupled bodies each made of an insulating material, each having openings for fuel feeding or oxygen feeding corresponding to the respective separator members, and each formed by integrally coupling a plurality of frame portions that give insulation between the unit cells, wherein said frame coupled bodies, making a pair, sandwich said separator member coupled body from its both sides, and each frame portion of one of said frame coupled bodies is capable of fitting a membrane electrode assembly (MEA) of the fuel cell into the opening.
    • 一种隔板,具有隔板件连接体,该隔板件具有金属板作为基体,并且通过将多个隔板件整体连接而形成,所述多个隔板构件具有用于将燃料供给到燃料电池的电解液的通孔,所述通孔布置成对应于 并且垂直于所述基体的表面,以及每个由绝缘材料制成的框架结合体,每个框架连接体具有对应于各个分隔件的用于燃料供给或氧气供给的开口,并且各自通过一体地联接 在单元电池之间产生绝缘的多个框架部分,其中所述框架连接体成对地夹着所述隔板部件联接体从其两侧,并且所述框架连接体之一的每个框架部分能够安装膜 燃料电池的电极组件(MEA)进入开口。
    • 99. 发明授权
    • Variable optical element, a pickup apparatus having the variable optical element, and an information recording and reproducing apparatus having the pickup apparatus
    • 可变光学元件,具有可变光学元件的拾取装置,以及具有拾取装置的信息记录和重放装置
    • US06628599B2
    • 2003-09-30
    • US09739646
    • 2000-12-20
    • Takanori MaedaHiroyuki Ota
    • Takanori MaedaHiroyuki Ota
    • G11B700
    • G11B7/1353G02B5/1828
    • An information recording/reproducing apparatus of the invention is equipped with an objective lens, a light source and a variable optical element having a grating which demonstrates a piezo-electric effect by means of an electric field. The light source emits and irradiates a laser beam onto the grating to generate a 0th order diffraction beam and +/− 1st order diffraction beams in accordance with first order diffraction efficiency, and the objective lens converges the 0th diffraction beam and +/− 1st order diffraction beams which are irradiated onto an information recording medium for the purpose of information recording or information reproducing. By controlling an electric field applied to the grating, the first order diffraction efficiency of the grating is adjusted, whereby light beams are generated which have power levels appropriate for various kinds of information recording media.
    • 本发明的信息记录/再现装置配有物镜,光源和具有通过电场显示压电效应的光栅的可变光学元件。 光源发射并将光束照射到光栅上,以根据一阶衍射效率产生第0级衍射光束和+/- 1级衍射光束,并且物镜会聚第0衍射光束和+/- 1阶 用于信息记录或信息再现的辐射到信息记录介质上的衍射光束。 通过控制施加到光栅的电场,调整光栅的一阶衍射效率,从而产生具有适用于各种信息记录介质的功率电平的光束。