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    • 1. 发明授权
    • Nestable boat on a knock down plan
    • 一个关闭计划的可钓鱼船
    • US3787911A
    • 1974-01-29
    • US3787911D
    • 1972-11-22
    • NEPON KK
    • MIYA M
    • B63B7/04
    • B63B7/04B63B2007/006
    • A nestable boat on a knock down plan comprising a bow, a minor body, a major body and a stern. These four members are individually floatable. The bow is juxtaposed with the stern and is adapted to be nested inside the minor body when the common axial line of the bow and the stern is arranged at an angle of 45* to the axial line of the minor body adapted to be nested inside the major body when the axial line of the former is arranged at a right angle to the axial line of the latter, and therefore, the telescoped boat is compact enough for transportation and storage.
    • 包括弓,小身体,主体和船尾在内的一个倒下计划的可嵌套的船。 这四个成员都是可浮动的。 弓与船尾并置,适于嵌套在小身体内,当船首和船尾的共同轴线与适于嵌套在船体内的小型船体的轴线成45度角 当前者的轴线与后者的轴线成直角布置时,主体,因此,可伸缩的船体足够紧凑以便运输和储存。
    • 3. 发明授权
    • Low frequency signal transmission and indicating system
    • 低频信号传输和指示系统
    • US3818345A
    • 1974-06-18
    • US31982772
    • 1972-12-29
    • NEPON KK
    • MIYA MYARITA HATSUZAKA H
    • G08B3/10H04B1/00H04B7/00
    • G08B3/1083
    • Low frequency signals fl through fn are respectively assigned to respective portable radio transmitters and each transmitter transmits a wave modulated by this assigned low frequency signal. On the other hand, a set of a radio receiver, local receiver and a local transmitter is provided in each divided area to which one of low frequency signals fL1 through fLn is assigned. A center transmitter selects a signal designating a portable radio transmitter to be detected and transmits this signal to the local receivers in these divided areas. When the object radio transmitter exists in one of these areas, the local transmitter in this area transmits the low frequency signal assigned to this area to a center receiver. The center receiver operates indication means corresponding to the signal from the local transmitter, i.e., the signal corresponding to the area, thereby detecting the area in which the object radio transmitter designated by the center transmitter is located.
    • 低频信号f1至fn分别分配给相应的便携式无线电发射机,并且每个发射机发射由该分配的低频信号调制的波。 另一方面,在分配了低频信号fL1〜fLn中的一个的分割区域中设置无线接收机,本地接收机和本地发送机的一组。 中心发射机选择指定要检测的便携式无线电发射机的信号,并将该信号发送到这些分割区域中的本地接收机。 当对象无线电发射机存在于这些区域之一时,该区域的本地发射机将分配给该区域的低频信号发送到中心接收机。 中心接收机操作对应于来自本地发射机的信号的指示装置,即对应于该区域的信号,从而检测由中心发射机指定的对象无线电发射机所在的区域。