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    Attitude meter with rotatable arcuate scale
    91.
    发明授权
    Attitude meter with rotatable arcuate scale 失效
    姿态表，旋转弓形刻度

    公开(公告)号：US3956831A

    公开(公告)日：1976-05-18

    申请号：US553088

    申请日：1975-02-26

    Applicant: Scott F. Sibley

    Inventor： Scott F. Sibley

    IPC: G01C17/16 ,  G01C17/00

    CPC classification number: G01C17/16

    Abstract: This invention relates to an attitude meter which measures the orientation of a plane surface with respect to the magnetic North direction and a horizontal plane. The meter includes a hollow transparent sphere containing liquid for supporting a compass and a vertical indicator, combined with a rotatable arcuate scale for facilitating visual reading of the compass and relative position of the vertical indicator. More particularly, the arcuate scale includes vertical orientation indicia and is mounted for rotational displacement to a position immediately adjacent the vertical indicator. By this arrangement the vertical angle of the surface being measured may be read directly from the arcuate scale and the direction of inclination relative to the magnetic North may be determined from the point of intersection of the arcuate scale and the liquid supported compass.

    Abstract translation: 本发明涉及一种测量平面相对于磁性北方向和水平面的取向的姿态计。 仪表包括一个中空的透明球，其中包含用于支撑指南针和垂直指示器的液体，与可旋转的弧形刻度相结合，以便于罗盘的视觉读数和垂直指示器的相对位置。 更具体地，弓形标尺包括垂直取向标记，并且安装成用于旋转位移到紧邻垂直指示器的位置。 通过这种布置，被测表面的垂直角度可以直接从弧形刻度读取，并且相对于磁性北部的倾斜方向可以从弓形标尺和液体支撑罗盘的交点确定。

    Underwater navigation instrument
    92.
    发明授权
    Underwater navigation instrument 失效
    水下导航仪

    公开(公告)号：US3660907A

    公开(公告)日：1972-05-09

    申请号：US3660907D

    申请日：1969-09-03

    Applicant: LONNIE A SUTHERLAND

    Inventor： SUTHERLAND LONNIE A

    IPC: G01C17/00 ,  G01C17/14

    CPC classification number: G01C17/00

    Abstract: A device adapted to be worn on a diver''s wrist for indicating a course underwater comprising a magnetic compass mounted in a case having a side window with means attached to the compass for presenting a visual representation of the actual course on which the diver is heading and a movable reference indicator on the case for presenting a visual indication of the desired course adjacent the window. Such device also includes a rotatable lubbers line movable with the rotatable indicator and extending across the face of the compass for alignment with indicator lines on the face of the compass for presenting a visual course indication on the face of the compass.

    Abstract translation: 一种适于佩戴在潜水员手腕上用于指示水下路线的装置，包括安装在具有侧窗的壳体中的磁罗盘，磁性罗盘具有连接到罗盘的装置，用于呈现潜水员正在进行的实际航向的视觉表示，以及 用于呈现与窗口相邻的期望路线的视觉指示的壳体上的可移动参考指示器。 这种装置还包括可旋转的叶片线，其可旋转的指示器可移动并延伸穿过指南针的表面，以与指南针的表面上的指示线对准，以在罗盘的表面上呈现视觉过程指示。

    Compass
    93.
    发明授权
    Compass 失效

    公开(公告)号：US3594911A

    公开(公告)日：1971-07-27

    申请号：US3594911D

    申请日：1969-12-17

    Applicant: RITCHIE & SONS INC E S

    Inventor： SHERMAN ALLEN B ,  SHERMAN THEODORE A

    IPC: G01C17/00 ,  G01C17/18 ,  G01C17/24 ,  G01C17/38

    CPC classification number: G01C17/00

    Abstract: A compass adapted to be flush-mounted in a vertical bulkhead at an angle which increases the amount of overhead light falling on the compass card and which permits the compensator system to be adjusted without removing the compass from the bulkhead. The compass housing has an integral mounting ring which forms an angle with the housing open end through which the card is viewed.

    Compass card with magnetic particles
    94.
    发明授权
    Compass card with magnetic particles 失效
    具有磁性颗粒的电子卡

    公开(公告)号：US3585728A

    公开(公告)日：1971-06-22

    申请号：US3585728D

    申请日：1969-06-02

    Applicant: EASTERN CO

    Inventor： OGG ROBERT D

    IPC: G01C17/00 ,  G01C17/04

    CPC classification number: G01C17/00

    Abstract: AN IMPROVED COMPASS CARD WHEREIN THE MAGNETIC PORTION OF THE CARD IS PROVIDED IN THE FORM OF SMALL MAGNETIC PARTICLES EITHER IN THE BODY OF THE CARD AS SUCH OR AS A LAYER APPLIED OVER AT LEAST ONE FACE OF THE CARD. THE MAGNETIC PARTICLES HAVE A MAGNETIZATION OF SUBSTANTIALLY THE SAME INTENSITY WHILE THEIR DIRECTION OF MAGNETIZATION IS AT AN ANGLE OF SUBSTANTIALLY 20* TO THE AXIS OF REVOLUTION

    OF THE CARD. A CARD SO CONSTRUCTED IS FREE OF THE GYRATIONAL MOTION WHICH CHARACTERIZES CARDS USED HERETOFORE AND WHEREIN SEPARATE MAGNETS WERE SUPPORTED UPON THE CARD.

    Magnetic fluid compass
    95.
    发明授权
    Magnetic fluid compass 失效
    磁性液压指示器

    公开(公告)号：US3568329A

    公开(公告)日：1971-03-09

    申请号：US3568329D

    申请日：1968-10-28

    Applicant: US NAVY

    Inventor： CAMBELL LESLIE T

    IPC: G01C17/00 ,  G01C17/08

    CPC classification number: G01C17/00

    Abstract: A MAGNETIC COMPASS WHICH INCLUDES A BAR MAGNET, A FLUID COMPARTMENT WHICH ENCLOSES THE MAGNET, NEEDLE SUPPORT MEANS MOUNTED WITHIN THE COMPARTMENT SO AS TO SUPPORT THE MAGNET FOR ROTATION IN A HORIZONTAL PLANE, AND BUOYANT MATERIAL MOUNTED ON THE MAGNET FOR SUPPORTING THE MAGNET IN THE FLUID WITH A SLIGHT NEGATIVE BUOYANCY SO THAT FRICTION AT THE NEEDLE SUPPORT IS AT A MINIMUM, AND A SMALL SLAVE BAR MAGNET ROTATABLY MOUNTED TO THE COMPARTMENT AND IN AXIAL ALIGNMENT WITH THE LARGE BAR MAGNET SO AS TO FOLLOW THE MOVEMENTS OF THE LARGE BAR MAGNET.

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