X-ray tube having rotary anode cooled with high thermal conductivity
fluid
    1.
    发明授权
    X-ray tube having rotary anode cooled with high thermal conductivity fluid 失效
    具有高导热性流体冷却旋转阳极的X射线管

    公开(公告)号:US5541975A

    公开(公告)日:1996-07-30

    申请号:US179023

    申请日:1994-01-07

    IPC分类号: H01J35/10 H05G1/04

    摘要: An X-ray tube rotating anode is cooled with a liquid metal functioning as a recirculated heat exchange fluid and/or a metal film in a gap between the anode and a stationary structure. The liquid metal is confined to the gap by (a) a labyrinth having a coating that is not wetted by the liquid, (b) a magnetic structure, or (c) a wick. The liquid metal recirculated through the anode is cooled in a heat exchanger located either outside the tube or in the tube so it is surrounded by the anode. The heat exchanger in the tube includes a mass of metal in thermal contact with the recirculating liquid metal and including numerous passages for a cooling fluid, e.g. water. A high thermal conductivity path is provided between an anode region bombarded by electrons and a central region of the tube where heat is extracted. In one embodiment the high thermal conductivity is achieved by stacked pyrolytic structures having crystalline axes arranged so there is high heat conductivity radially of the region and lower thermal heat conductivity normal to the high heat conductivity direction.

    摘要翻译: X射线管旋转阳极用在作为再循环热交换流体和/或金属膜之间的液体金属在阳极和固定结构之间的间隙中冷却。 液体金属通过(a)具有不被液体润湿的涂层的迷宫式,(b)磁性结构或(c)芯)限制在间隙。 通过阳极再循环的液态金属在位于管外部或管内的热交换器中冷却,使其被阳极包围。 管中的热交换器包括与再循环液体金属热接触的金属块,并且包括用于冷却流体的许多通道,例如, 水。 在由电子轰击的阳极区域和提取热量的管的中心区域之间提供高导热性路径。 在一个实施方案中,通过堆叠的热解结构实现了高热导率,其具有排列的晶轴,因此在该区域内径向具有高导热性,并且较低的热传导率垂直于高导热方向。

    Method of teaching a subject including use of a dictionary and translator
    2.
    发明授权
    Method of teaching a subject including use of a dictionary and translator 失效
    教学主题的方法,包括使用字典和翻译

    公开(公告)号:US4579533A

    公开(公告)日:1986-04-01

    申请号:US614997

    申请日:1984-08-31

    CPC分类号: G06F3/16 G09B19/06 G09B5/065

    摘要: A microprocessor based electronic teaching aid which enables a student viewing a display containing text material being studied to designate any word or portion of text for definition or for vocalization by synthesized speech techniques wherein the reading material being studied is supplied in the form of a programmed Source ROM which contains pointers to the start addresses for the words of the reading material with reference to an internally provided dictionary. A program causes the creation of the text display responsive to the Source ROM data, and includes techniques for being able to define and vocalize any selected word. This combination of hardware and software permits a significant reduction in the cost of this teaching aid by elimination of disk drives or tape drives.

    摘要翻译: 一种基于微处理器的电子教学辅助工具,其使学生能够观看包含被研究的文本材料的显示器,以便通过合成语音技术来指定用于定义或用于发声的任何单词或部分文本,其中正在研究的阅读材料以编程的源 ROM,其中包含参考内部提供的字典的阅读材料的单词的起始地址的指针。 程序导致响应于源ROM数据创建文本显示,并且包括能够定义和发出任何所选择的单词的技术。 这种硬件和软件的组合允许通过消除磁盘驱动器或磁带驱动器来显着降低该教学辅助的成本。

    Magnetically supported cathode X-ray source
    3.
    发明授权
    Magnetically supported cathode X-ray source 失效
    磁性阴极X射线源

    公开(公告)号:US5550890A

    公开(公告)日:1996-08-27

    申请号:US467242

    申请日:1995-06-06

    摘要: An X-ray generating source comprising a rotating vacuum envelope with an anode attached thereto and a cathode assembly disposed therewith. The cathode assembly is held stationary within the vacuum envelope exclusively by a magnetic suspension system which comprises a magnet assembly formed by a plurality of electromagnets mounted on two spaced apart rings positioned outside of the envelope and located in the place which is perpendicular to an axis of rotation of the envelope and a magnetic susceptor mounted to the cathode assembly. A plurality of proximity sensors are sensing any displacements of the cathode assembly while a feedback control system being connected to these proximity sensors maintains the proper position of the cathode assembly by changing the value of the magnetic field in gaps between the magnet assembly and the magnetic susceptor.

    摘要翻译: 一种X射线产生源,其包括连接有阳极的旋转真空外壳和与其配置的阴极组件。 阴极组件仅通过磁悬浮系统固定在真空封壳内,该磁悬浮系统包括由多个电磁体形成的磁体组件,多个电磁体安装在位于外壳外部并位于与壳体的垂直于 外壳的旋转和安装到阴极组件的磁性基座。 多个接近传感器感测阴极组件的任何位移,而连接到这些接近传感器的反馈控制系统通过改变磁体组件和磁感受器之间的间隙中的磁场的值来维持阴极组件的适当位置 。

    Method and apparatus for detecting seismic events
    4.
    发明授权
    Method and apparatus for detecting seismic events 失效
    检测地震事件的方法和装置

    公开(公告)号:US5001682A

    公开(公告)日:1991-03-19

    申请号:US523336

    申请日:1990-05-14

    IPC分类号: G01H11/02 G01V1/18

    CPC分类号: G01V1/181 G01H11/02

    摘要: A seismographic sensor is constructed from a D'Arsonval movement. The elements of the movement include a coil suspended in the field of a permanent magnet and a pointer attached to the coil. A weight is attached to the pointer and acts as an inertia element. Leveling screws are provided to control the period of the weighted pointer and to control the resting position of the pointer. When the base of the meter vibrates during an earthquake, the weighted pointer does not follow the vibration because of its inertia, resulting in a relative rotation of the meter coil and the magnet field, thereby inducing a voltage in the coil. This voltage is proportional to one component of horizontal velocity of the earth's motion. Means are provided to process and record the magnitude of this voltage.

    摘要翻译: 地震传感器由D'Arsonval运动构成。 运动元件包括悬挂在永久磁铁领域中的线圈和附接到线圈的指针。 重量附着在指针上,并作为惯性元件。 提供调平螺丝以控制加权指针的周期并控制指针的静止位置。 当仪表的基座在地震期间振动时,加权指针由于其惯性而不跟随振动,导致测量线圈和磁场的相对旋转,从而在线圈中产生电压。 该电压与地球运动的水平速度的一个分量成比例。 提供装置来处理和记录该电压的大小。

    Electronic teaching aid
    5.
    发明授权
    Electronic teaching aid 失效
    电子教学辅助

    公开(公告)号:US4406626A

    公开(公告)日:1983-09-27

    申请号:US362666

    申请日:1982-03-29

    CPC分类号: G09B19/04 G09B5/065 G10L13/00

    摘要: An electronic teaching aid which enables a student viewing a visual display containing text material being read or studied to designate any words or portion of said text for immediate audible vocalization or alternatively to designate any word of said test for immediate visual display of the definition of said designated word.

    摘要翻译: 一种电子教学辅助装置,其使得学生能够观看包含正在阅读或研究的文本材料的视觉显示器,以指定所述文本的任何单词或部分以立即发出声音,或者替代地指定所述测试的任何单词以立即可视地显示所述 指定字

    Electrical acupuncture needle heater
    6.
    发明授权
    Electrical acupuncture needle heater 失效
    电针针加热器

    公开(公告)号:US3938526A

    公开(公告)日:1976-02-17

    申请号:US471649

    申请日:1974-05-20

    IPC分类号: A61H39/06 A61H39/08

    摘要: A method and apparatus for electrically heating an acupuncture needle that has been inserted into a subject is disclosed. An applicator unit contains an electrical heating element thermally coupled to an acupuncture needle and directly to the skin adjacent to the acupuncture needle. Regulation and control of the heat supplied by the applicator unit is achieved through the control of electrical power supplied to the heating element. Either temperature or power control can be selected, and temperature indication is provided. In use, after the acupuncture needle has been inserted through the subject's skin, the applicator unit is attached to the acupuncture needle and regulated electrical power is applied to produce controlled heat.

    摘要翻译: 公开了一种用于电加热已经插入到受试者中的针灸针的方法和装置。 施加器单元包含热耦合到针刺针并且直接连接到针灸针附近的皮肤的电加热元件。 通过控制提供给加热元件的电力来实现由施加器单元提供的热量的调节和控制。 可以选择温度或功率控制,并提供温度指示。 在使用中,针刺针穿过被检者的皮肤后,将涂抹器单元安装到针灸针上,并施加调节电力以产生受控热量。