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    Submarine cable grapnel
    1.
    发明授权
    Submarine cable grapnel 失效
    海底电缆抓斗

    公开(公告)号：US5234242A

    公开(公告)日：1993-08-10

    申请号：US686777

    申请日：1991-04-17

    申请人： Takashi Mizuguchi ,  Yoshihiro Ejiri ,  Kazuomi Yamamura ,  Kikuo Shirai

    发明人： Takashi Mizuguchi ,  Yoshihiro Ejiri ,  Kazuomi Yamamura ,  Kikuo Shirai

    IPC分类号： B63C11/50

    CPC分类号： B63C11/50

    摘要： There is disclosed a submarine cable grapnel which is tied to the two rope of a cable ship and is dragged on the bottom of the sea, one grappling unit and at least one attitude stabilizer is connected while this assembly is connected at one end the two rope of the cable ship and at the other end a chain. In this instance, front and rear coupling portions of the grappling element and the attitude stabilizer are positioned so that the center of gravity of each element under the water stays nearer the seabed than a straight line joining the coupling centers of the coupling portions of the elements when the grapnel lands in the normal attitude on the bottom of the sea.

    摘要翻译： 公开了一种潜艇电缆抓斗，其被绑在电缆船的两根绳索上，并被拖到海底，一个抓斗单元，并且至少一个姿态稳定器被连接，而该组件在一端连接着两根绳索 的电缆船，另一端是链条。 在这种情况下，抓斗元件和姿态稳定器的前后联接部分被定位成使得水下的每个元件的重心保持更接近海床，而不是连接元件的联接部分的联接中心的直线 当抓斗落在海底的正常姿态时。

    Marine cable burying method and device therefor
    3.
    发明授权
    Marine cable burying method and device therefor 失效
    船用电缆埋设法及其装置

    公开(公告)号：US4537530A

    公开(公告)日：1985-08-27

    申请号：US585631

    申请日：1984-03-07

    申请人： Kazuomi Yamamura ,  Hideo Ishihara ,  Yoshinao Iwamoto ,  Hifumi Sakaguchi ,  Masao Morita ,  Toshio Izawa

    发明人： Kazuomi Yamamura ,  Hideo Ishihara ,  Yoshinao Iwamoto ,  Hifumi Sakaguchi ,  Masao Morita ,  Toshio Izawa

    IPC分类号： E02F5/10 ,  E02F9/20 ,  H02G1/10 ,  F16L1/04

    CPC分类号： E02F5/107 ,  E02F5/105 ,  E02F9/2045 ,  H02G1/10

    摘要： The present invention aims at providing a method and a device therefor which can effectively as well as accurately bury a cable under marine beds not only when a cable is newly laid and buried but also when a cable has to be reburied. The method and the device according to the present invention are characterized in that a burying device is guided to approach the cable by using a travelling member provided on said burying device, a travelling control mechanism thereof being controlled by a receiving output from a transmitter which is mounted on the cable in advance by a receiver provided on the burying device, that the cable is caught and held by a cable engaging member of said burying device while the burying device is detecting the buried cable track and travelling therealong, and that at the same time an excavation member of said burying device digs and forms a groove while the burying device guides and buries the cable within the excavated groove. The method according to the present invention is further characterized in that the burying device is provided with a travelling device which is controlled by the output from a receiver which receives the output from a transmitter on the cable, that said device body is provided at the middle portion thereof with a cable engaging member having a cable engaging mechanism as well as a buried cable route detection mechanism and an excavation member.

    摘要翻译： 本发明的目的在于提供一种方法和装置，其可以有效地并且准确地将电缆埋在海床下，不仅当电缆被新建和埋设时，而且还必须在电缆必须被重新加固时。 根据本发明的方法和装置的特征在于，通过使用设置在所述掩埋装置上的行进构件将埋入装置引导以接近电缆，其行进控制机构由发射器的接收输出控制，发射器的接收输出 预先通过设置在掩埋装置上的接收器安装在电缆上，该电缆由所述掩埋装置的电缆接合构件抓住并保持，同时该掩埋装置正在检测埋置的电缆轨道并在其上行进 所述埋藏装置的挖掘构件挖掘并形成凹槽，同时埋设装置引导并将挖掘的沟槽内的电缆埋入其中。 根据本发明的方法的特征还在于，埋入装置设置有由接收器的输出控制的行进装置，该接收器从电缆上的发射器接收输出，所述装置主体设置在中间 其部分具有具有电缆接合机构的电缆接合构件以及埋地电缆路径检测机构和挖掘构件。

    Frequency selective detecting system for detecting alternating magnetic fields
    4.
    发明授权
    Frequency selective detecting system for detecting alternating magnetic fields 失效
    用于检测交变磁场的频率选择检测系统

    公开(公告)号：US3983475A

    公开(公告)日：1976-09-28

    申请号：US537417

    申请日：1974-12-30

    申请人： Teruji Watanabe ,  Shizuo Suzuki ,  Kazuomi Yamamura ,  Yoshinao Iwamoto

    发明人： Teruji Watanabe ,  Shizuo Suzuki ,  Kazuomi Yamamura ,  Yoshinao Iwamoto

    IPC分类号： G01R33/05 ,  G01R33/04 ,  G01R33/02

    CPC分类号： G01R33/04

    摘要： A system for detecting an AC magnetic field of a desired frequency using a magnetic sensing element of the parametrically excited second harmonic oscillator, in which a reference signal having a repetition period substantially equal to the repetition period of the AC magnetic field is adopted for synchronous detection of the detected output of the magnetic sensing element, and in which a current proportional to the intensity of a noise magnetic field is applied to the oscillation winding of the magnetic sensing element to lessen the influence of the noise magnetic field to greatly improve the SN ratio of the detected signal.

    摘要翻译： 一种用于使用参数激励的二次谐波振荡器的磁感测元件来检测期望频率的交流磁场的系统，其中具有基本上等于交流磁场的重复周期的重复周期的参考信号用于同步检测 检测出的感应元件的输出，其中与磁感应元件的振荡绕组成比例的电流与噪声磁场的强度相加，以减小噪声磁场的影响，大大提高了SN比 的检测信号。

    Under-water cable burying device
    7.
    发明授权
    Under-water cable burying device 失效
    水下埋线装置

    公开(公告)号：US4384808A

    公开(公告)日：1983-05-24

    申请号：US250280

    申请日：1981-04-02

    申请人： Kazuomi Yamamura ,  Yoshinao Iwamoto ,  Hifumi Sakaguchi ,  Kenichi Asakawa

    发明人： Kazuomi Yamamura ,  Yoshinao Iwamoto ,  Hifumi Sakaguchi ,  Kenichi Asakawa

    IPC分类号： E02F5/10 ,  E02F9/20 ,  H02G1/10 ,  F16L1/04

    CPC分类号： E02F5/107 ,  E02F5/105 ,  E02F9/2045 ,  H02G1/10

    摘要： The present invention has an object to provide an underwater cable burying device which can accurately be guided to align with the cables in the process of burying even if the cables have to be re-buried. The device according to the present invention is characterized in that a travelling device is provided on the body of the device which is further provided with a trenching device at the middle portion thereof, that a cable clamp member and a cable engaging member are provided at an arm projecting forward from the said device body and that said respective devices are controlled through a control cable on the mother ship.

    摘要翻译： 本发明的目的是提供一种水下电缆埋设装置，即使电缆必须被重埋，也能够在埋入过程中精确地引导与电缆对齐。 根据本发明的装置的特征在于，在装置的主体上设置行进装置，该装置在其中间部分还设置有下料装置，电缆夹紧构件和电缆接合构件设置在 臂从所述装置主体向前突出，并且所述各个装置通过母船上的控制缆线进行控制。

    Buried cable locating system
    9.
    发明授权
    Buried cable locating system 失效
    埋地电缆定位系统

    公开(公告)号：US4317079A

    公开(公告)日：1982-02-23

    申请号：US72282

    申请日：1979-09-04

    申请人： Kazuomi Yamamura ,  Takasuke Fukui ,  Yoshinao Iwamoto ,  Yuichi Shirasaki ,  Masayuki Fujise

    发明人： Kazuomi Yamamura ,  Takasuke Fukui ,  Yoshinao Iwamoto ,  Yuichi Shirasaki ,  Masayuki Fujise

    IPC分类号： G01V3/10 ,  G01V3/02 ,  G01V3/08 ,  G01V3/11 ,  G01V3/15 ,  G01V3/38 ,  G01V3/165

    CPC分类号： G01V3/38 ,  G01V3/02

    摘要： A cable buried under a sea bottom is located by flowing in the cable an electrical current, and measuring the magnetic flux by said current at four points near the cable. The present cable detecting system comprises nondirectional flux measurement means searching for the cable to be detected and measuring the flux by said electric current at four vertex points forming a horizontal square plane, means for transmitting the measured values to a cable ship, means mounted in said ship for providing squared amplitude ratios of each of said magnetic flux to a selected one of the magnetic flux, and means for providing the distance to the cable from the center of said four vertex points, the angle between the transverse direction to the cable and the extension of the diagonal line of said four vertex points, and the depth between the cable and said horizontal square plane, on the principle that said amplitude ratio is equal respectively to the reciprocal of the corresponding ratio of the distance between said cable and each of said points.

    摘要翻译： 埋在海底底部的电缆通过在电缆中流动电流而定位，并且通过在电缆附近的四个点测量所述电流的磁通量。 本发明的电缆检测系统包括搜索待检测电缆的非方向磁通量测量装置，并且通过形成水平方形平面的四个顶点处的所述电流测量磁通量，将测量值传输到电缆船的装置，安装在所述电缆船 将所述磁通量中的每一个的平方振幅比提供给选定的一个磁通量;以及用于从所述四个顶点的中心向电缆提供距离的装置，横向方向与电缆之间的角度以及 所述四个顶点的对角线的延伸，以及电缆与所述水平方形平面之间的深度，其原理是所述幅度比分别等于所述电缆与所述电缆之间的距离的对应比率的相应比 积分