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169 条记录 (耗时 0.012 秒)

    Astronomical display apparatus
    29.
    发明授权
    Astronomical display apparatus 失效
    天文显示装置

    公开(公告)号：US5967791A

    公开(公告)日：1999-10-19

    申请号：US72969

    申请日：1998-05-05

    申请人： Jaques Abrahamian

    发明人： Jaques Abrahamian

    IPC分类号： G09B27/02 ,  G09B27/06 ,  G09B23/00

    CPC分类号： G09B27/06 ,  G09B27/02

    摘要： An astronomical display apparatus for providing a 3-dimensional view of a plurality of scaled astronomical bodies, wherein the bodies may be elevated (to float) upon a column of air while being slowly rotated. The display apparatus includes a base having an upper, preferably flattened deck surface. The base further includes an air supply inlet tube that is coupled to air cups mounted on the deck surface to enable a source of pressurized air emitted from the air cups to form the columns of air. The apparatus may be provided with several interchangeable deck surfaces wherein each deck surface may represent a distinct collection or grouping of astronomical bodies, such as stars, planets, and or moons.

    摘要翻译： 一种用于提供多个缩放的天文体的三维视图的天文显示装置，其中所述主体可以在缓慢旋转的同时升高（浮动）在一列空气上。 显示装置包括具有上部，优选平坦的甲板表面的底座。 基座还包括供气入口管，其连接到安装在甲板表面上的空气杯，使得能够从空气杯排出的加压空气源形成空气柱。 该装置可以设置有多个可互换的甲板表面，其中每个甲板表面可以表示天文体（例如恒星，行星和/或卫星）的不同集合或分组。

    Two-dimensional earth-moon-sun instructional model
    30.
    发明授权
    Two-dimensional earth-moon-sun instructional model 失效
    二维地球月亮教学模式

    公开(公告)号：US5529500A

    公开(公告)日：1996-06-25

    申请号：US316871

    申请日：1994-10-03

    申请人： Luann E. Dahlman

    发明人： Luann E. Dahlman

    IPC分类号： G09B27/02

    CPC分类号： G09B27/02

    摘要： A disk that illustrates a polar view of the earth rotatably mounted on a flat supporting base representing a celestial plane through the earth's equator. A radial arm is provided with its proximal end pivotally mounted on the center of the earth disk and its distal end fitted with a fixed disk representing the moon, such that the moon's orbit is modeled by the arm's rotation around the earth showing the near side of the moon always facing the earth. Half of the moon disk is covered by a semicircular structure representing the zone of exposure to sunlight, which can be used to explain the gradual and continuous change of moon phase as the moon revolves around the earth. Other embodiments of the invention illustrate the seasonal change of the earth's exposure to sunlight, the moon's effect on tides, and the earth's and moon's revolutions around the sun.

    摘要翻译： 示出了通过地球赤道可旋转地安装在表示天体的平坦支撑基座上的地球的极坐标的盘。 径向臂设置有其近端可枢转地安装在地盘的中心，并且其远端装配有代表月球的固定盘，使得月球的轨道由臂围绕地球的旋转模拟， 月亮总是面对地球。 月球的一半被半圆形结构所覆盖，表示阳光暴露的区域，可以用来解释当月球围绕地球旋转时月相的逐渐和连续的变化。 本发明的其它实施例说明了地球暴露在阳光下的季节性变化，月亮对潮汐的影响以及地球和月球周围的转动。