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    Optical branching device using a liquid crystal
    1.
    发明授权
    Optical branching device using a liquid crystal 失效
    使用液晶的光分支器件

    公开(公告)号：US4702557A

    公开(公告)日：1987-10-27

    申请号：US908887

    申请日：1986-09-15

    申请人： Friedrich K. Beckmann ,  Horst Dotsch ,  Wolfgang Hoppe

    发明人： Friedrich K. Beckmann ,  Horst Dotsch ,  Wolfgang Hoppe

    IPC分类号： G02B6/26 ,  G02B6/28 ,  G02B6/293 ,  G02B6/42 ,  G02B27/10 ,  G02B27/28 ,  G02F1/09 ,  G02F1/1333 ,  G02F1/31 ,  G02F1/315 ,  G02F1/13

    CPC分类号： G02B6/2746 ,  G02B27/283 ,  G02B6/2804 ,  G02B6/4209 ,  G02F1/093 ,  G02F1/1326 ,  G02F1/315

    摘要： The invention relates to an optical branching device which may be used as an optical isolator, circulator or switch. The device comprises two polarization-sensitive beam splitters. Each beam splitter comprises a prism and a rhombohedral plate between which a liquid crystal film is interposed. An optical device for rotating the plane of polarization of linearly polarized light is arranged between the two beam splitters. The polarization rotation device may comprise a Faraday rotator with a constant or a switchable direction of magnetization and a half-wave plate. Alternatively, the polarization rotation device may comprise a liquid crystal film interposed between two electrodes.

    摘要翻译： 本发明涉及一种可用作光隔离器，循环器或开关的光分路装置。 该装置包括两个偏振敏感分束器。 每个分束器包括一个棱镜和一个菱形板，其间插有一个液晶膜。 在两个分束器之间布置有用于旋转线性偏振光的偏振平面的光学装置。 偏振旋转装置可以包括具有恒定或可切换的磁化方向的法拉第旋转器和半波片。 或者，偏振旋转装置可以包括夹在两个电极之间的液晶膜。

    Ion-generator for producing an air flow
    3.
    发明授权
    Ion-generator for producing an air flow 失效
    用于产生空气流的离子发生器

    公开(公告)号：US4559467A

    公开(公告)日：1985-12-17

    申请号：US446136

    申请日：1982-12-02

    申请人： Friedrich K. Beckmann ,  Horst Dotsch ,  Dieter Gossel

    发明人： Friedrich K. Beckmann ,  Horst Dotsch ,  Dieter Gossel

    IPC分类号： F24F3/16 ,  A61L9/22 ,  B01J19/08 ,  H01T14/00 ,  H01T23/00 ,  H05H5/02

    CPC分类号： H01T23/00

    摘要： An ion-generator for producing an air flow includes a plurality of rectangularly shaped plate electrodes spaced from one another and respectively lying in planes parallel to the direction of the air flow, such plate electrodes extending perpendicularly to the direction of the air flow, the edge of each plate electrode facing upstream being rounded. There is a plurality of rows of needle electrodes disposed upstream of the plate electrodes and extending perpendicularly to the direction of the air flow, such rows of needle electrodes being respectively associated with and oriented towards the gaps between the plate electrodes, the tips of all the needle electrodes being disposed in a plane perpendicular to the direction of the air flow. There is an electrically conductive rod-shaped support for each row of needle electrodes, such rod-shaped supports being arranged parallel to the rounded edges of the plate electrodes. An electrically insulating material covers each rod-shaped support and its associated row of needle electrodes except for the tip of each needle electrode. The plate electrodes are connected to one terminal of a high-voltage d.c. source; and the rod-shaped supports are connected to the other terminal of such d.c. source.

    摘要翻译： 用于产生空气流的离子发生器包括彼此间隔开并分别位于平行于空气流动方向的平面中的多个矩形板状电极，这样的平板电极垂直于空气流的方向延伸，边缘 面向上游的每个平板电极是圆形的。 有多排针电极设置在平板电极的上游并且垂直于空气流的方向延伸，这些针电极行分别与板电极之间的间隙相关联并且朝向板电极之间的间隙定向，所有这些尖端 针状电极设置在垂直于空气流动方向的平面内。 每行针电极都有一个导电的棒状支撑件，这种棒状支撑件平行于平板电极的圆形边缘布置。 电绝缘材料覆盖每个针状电极的尖端以外的每个棒状支撑件及其相关的针电极行。 板电极连接到高电压直流的一个端子。 资源; 并且杆状支撑件连接到这种直流的另一端。 资源。