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25 条记录 (耗时 0.042 秒)

    Color shifting retroreflector and method of making same
    3.
    发明授权
    Color shifting retroreflector and method of making same 有权
    色偏反射器及其制作方法

    公开(公告)号：US07140741B2

    公开(公告)日：2006-11-28

    申请号：US11024201

    申请日：2004-12-28

    申请人： Robert J. Fleming ,  Christopher S. Lyons ,  Joseph M. McGrath ,  Jesus Ramos ,  Mark A. Roehrig ,  Clark I. Bright

    发明人： Robert J. Fleming ,  Christopher S. Lyons ,  Joseph M. McGrath ,  Jesus Ramos ,  Mark A. Roehrig ,  Clark I. Bright

    IPC分类号： G02B5/128

    CPC分类号： G02B5/128 ,  Y10T428/24479 ,  Y10T428/24579

    摘要： Color shifting retroreflective articles can provide features such as decorative effects, evidence of tampering, security authentication or positional information. In some embodiments, the color shifting retroreflective article includes a layer of microspheres, and a reflective coating that is disposed in optical association with the layer of microspheres. The reflective coating includes a spacer layer disposed between a semitransparent first reflective layer and a second reflective layer. The first reflective layer includes a reflective layer disposed adjacent the layer of microspheres. At least one layer of the reflective coating includes a non-uniform thickness associated with each of a plurality of microspheres such that light incident on the article from a first direction is retroreflected at a first color and light incident on the article from a second direction is retroreflected at a second color visibly different from the first color.

    摘要翻译： 彩色逆向反光制品可以提供装饰效果，篡改证据，安全认证或位置信息等特征。 在一些实施例中，色移逆向反射制品包括微球层和与微球层光学关联地设置的反射涂层。 反射涂层包括设置在半透明第一反射层和第二反射层之间的间隔层。 第一反射层包括邻近微球层设置的反射层。 反射涂层的至少一层包括与多个微球中的每一个相关联的不均匀的厚度，使得从第一方向入射到物品上的光以第一颜色回射并且从第二方向入射到物品上的光是 以与第一颜色明显不同的第二颜色回射。

    Portable sauna
    4.
    发明授权
    Portable sauna 失效
    便携式桑拿浴室

    公开(公告)号：US4105036A

    公开(公告)日：1978-08-08

    申请号：US722113

    申请日：1976-09-10

    申请人： Joseph M. McGrath

    发明人： Joseph M. McGrath

    IPC分类号： A61H33/06 ,  A61H35/00

    CPC分类号： A61H33/06 ,  A61H2035/004

    摘要： The present invention relates to a portable, flexible, heating unit in the nature of a sauna, which derives its heat and moisture from external sources.

    摘要翻译： 本发明涉及一种桑拿的性质的便携式，灵活的加热单元，其从外部来源获得其热量和湿度。

    Baseball and softball practice device
    10.
    发明授权
    Baseball and softball practice device 失效
    棒球和垒球练习装置

    公开(公告)号：US06458048B1

    公开(公告)日：2002-10-01

    申请号：US09693634

    申请日：2000-10-20

    申请人： Joseph M. McGrath

    发明人： Joseph M. McGrath

    IPC分类号： A63B6900

    CPC分类号： A63B69/0002 ,  A63B63/00 ,  A63B71/022 ,  A63B2069/0006

    摘要： A ball throwing practice system for improving a ball player's skills that includes a collapsible support frame having a first pair of legs and a second pair of legs, with the second pair of legs being pivotally coupled to one of the first pair of legs to permit pivoting of the second pair of legs with respect to the first pair of legs. The system also includes a target assembly secured to the support frame for defining a passage therethrough for representing a zone for an accurately thrown ball to pass through. Preferably, the target assembly comprises a pair of substantially horizontally oriented plate members disposed in a spaced relationship, with a lower one of the plate members being located below an upper one of the plate members. The lower plate member may be suspended below the upper plate member by a plurality of cords. Each of the plate members may have a central aperture therethrough which is defined by an inner perimeter of each plate member, and an outer perimeter of each plate member may be substantially parallel to the inner perimeter.

    摘要翻译： 一种用于提高球员技能的球投掷练习系统，其包括具有第一对腿部和第二对腿部的可折叠支撑框架，其中第二对腿部可枢转地联接到第一对腿部中的一个，以允许枢转 的第二对腿相对于第一对腿。 该系统还包括固定到支撑框架上的目标组件，用于限定穿过其中的通道，用于代表准确地投掷的球通过的区域。 优选地，目标组件包括以间隔开的关系设置的一对基本上水平定向的板构件，其中一个板构件位于板构件的上部之下。 下板构件可以通过多根绳索悬挂在上板构件的下方。 每个板构件可以具有穿过其中的中心孔，其由每个板构件的内周限定，并且每个板构件的外周边可以基本上平行于内周边。