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    • 1. 发明授权
    • Cable television/telephone tap
    • 有线电视/电话水龙头
    • US6066801A
    • 2000-05-23
    • US34779
    • 1998-03-04
    • Makoto KodairaJun KimuraMichiharu Takahashi
    • Makoto KodairaJun KimuraMichiharu Takahashi
    • H01R13/52H01R13/658H02G7/00H04B3/00H04M7/00H04N5/00H04N7/10H04N7/16H04Q1/00H04Q1/02
    • H04N7/104H04Q1/023H04Q1/114H04Q1/116H01R13/5216H01R13/6464H01R13/6581H02G7/00H04M7/006H04Q2201/16
    • There is provided a cable television/telephone tap, which can be set at a given position on a coaxial cable, and which is capable of practically and economically supplying a telephone service simultaneously with a cable television service, and also of quickly and economically accommodating expansions, replacements and modifications to the system. A cable television/telephone tap, using coaxial cables for splitting high-frequency signals and current for telephones and then supplying the same to subscribers includes a plurality of enclosures 1 and 2, having at least an upper side enclosure and a lower side enclosure; a branch terminal 9 for the high-frequency signals for the subscribers, which is provided on either the upper side enclosure or the lower side enclosure of a fully united enclosure wall; through-holes 7, which are provided on the same enclosure wall as the branch terminal; current-splitting wires which feed the current for telephones, the current-splitting wires being inserted through the through-holes; and a partition 43, which is provided around the through-holes in the enclosure wall, so as to assist the enclosure in surrounding the through-holes.
    • 提供有线电视/电话分接头,其可以设置在同轴电缆上的给定位置,并且能够实际上和经济地提供与有线电视服务同时的电话服务,以及快速且经济地扩展的扩展 ,更换和修改系统。 使用用于分离高频信号的同轴电缆和用于电话的电流然后将其提供给订户的有线电视/电话分接头包括具有至少一个上侧外壳和一个下侧外壳的多个外壳1和2; 用于用户的高频信号的分支端子9,其设置在完全结合的外壳壁的上侧外壳或下侧外壳上; 通孔7设置在与分支端子相同的外壳壁上; 电流分流线,其馈送用于电话的电流,电流分配线插入穿过通孔; 以及围绕封闭壁的通孔设置的隔板43,以便辅助外壳围绕通孔。
    • 2. 发明授权
    • Termination coaxial connector
    • 端接同轴连接器
    • US06019622A
    • 2000-02-01
    • US33396
    • 1998-03-03
    • Michiharu TakahashiKiyozumi ChinoAsao IshikawaMakoto Kodaira
    • Michiharu TakahashiKiyozumi ChinoAsao IshikawaMakoto Kodaira
    • H01R13/66H01R29/00
    • H01R24/46H01R2103/00
    • Provided is a termination coaxial connector, having a wide frequency band, which is capable of handling digital signals. A coaxial F-type receptacle connector connects to a coaxial F-type plug connector. The receptacle connector principally comprises an outer conductor 1, a insulating sliding tube 2 which is accommodated inside the outer conductor so as to slide therein, a securing member 6 for securing the insulating sliding tube to the outer conductor, and a center conductor 5 which is supported in the center of the securing member 6 The insulating sliding tube further comprises a coiled spring 4 and a termination element 3, the insulating sliding tube being ordinarily forced outwards by the expansive force of the coiled spring, but being pushed between the center conductor and the termination element when a plug connector is inserted, whereby the electrical connection is broken, the termination is cancelled and both connectors are connected. When the plug connector is removed, the insulating sliding tube is once again forced out, causing the center conductor to contact the termination element and reinstate the termination.
    • 提供具有能够处理数字信号的宽频带的端接同轴连接器。 同轴F型插座连接器连接到同轴F型插头连接器。 插座连接器主要包括外部导体1,绝缘滑动管2,其容纳在外部导体内部以便在其中滑动;固定构件6,用于将绝缘滑动管固定到外部导体;以及中心导体5, 支撑在固定构件6的中心。绝缘滑动管还包括螺旋弹簧4和终端元件3,绝缘滑动管通常被螺旋弹簧的膨胀力向外压出,但被推到中心导体和 当插头连接器插入时的终端元件,由此电连接断开,端接被取消并且两个连接器都被连接。 当插头连接器被移除时,绝缘滑动管再次被迫离开,导致中心导体接触终端元件并恢复终端。
    • 4. 发明授权
    • Broad-band wave absorber
    • 宽带波吸收器
    • US5276448A
    • 1994-01-04
    • US875200
    • 1992-04-24
    • Yoshiyuki NaitoMichiharu Takahashi
    • Yoshiyuki NaitoMichiharu Takahashi
    • H01Q17/00
    • H01Q17/008
    • The present invention relates to a broad-band wave absorber wherein beams (3) formed of a ferrite magnetic material are placed at an optimal spacing and are aligned in a lattice form in longitudinal and lateral directions on a conductive plate (2). A magnetic substance of a specific thickness t.sub.m is formed into cylindrical blocks of a height d (where d.gtoreq.t.sub.m) wherein an end surface thereof is polygonal, and the cylindrical blocks are provided with a radio-wave reflecting surface aligned in such a manner that this surface is perpendicular to the axial direction of the blocks, and the end surface of the blocks is approximately perpendicular to a direction from which radio waves are incident. The ferrite magnetic substance could also be formed into rectangular prisms of thickness 2t.sub.m, height d, and length in the longitudinal direction thereof L, with the prisms aligned at a spacing b on a radio-wave reflecting surface, the direction of the height dimension of the prisms being approximately parallel to a radiowave incidence direction, and the surfaces thereof of the dimensions 2t.sub.m and L being perpendicular to the radiowave incidence direction, forming a plane parallel to a magnetic field direction of incident radio waves and the dimension L, wherein the following relationships hold:L.gtoreq.d.gtoreq. 2t.sub.m 20t.sub.m .gtoreq.b.gtoreq. 2.sub.tm
    • 本发明涉及一种宽带波吸收体,其中由铁氧体磁性材料形成的光束(3)以最佳间距放置,并且在导电板(2)上沿纵向和横向以格子状排列。 将特定厚度tm的磁性物质形成为其端面为多边形的高度d(d> = tm)的圆柱形块,并且圆柱形块设置有以这种方式排列的无线电波反射表面 该表面垂直于块的轴向,并且块的端面大致垂直于无线电波入射的方向。 铁氧体磁性物质也可以形成为厚度为2tm,高度d,长度方向为L的矩形棱镜,棱镜以无线电波反射面上的间距b排列,高度方向 棱镜大致平行于无线电波入射方向,其尺寸2tm和L的表面垂直于无线电波入射方向,形成平行于入射无线电波的磁场方向的平面和尺寸L,其中以下 关系保持:L> = d> = 2tm 20tm> = b> = 2tm
    • 5. 发明授权
    • Broad-band radio wave absorber
    • 宽带无线电波吸收器
    • US5812080A
    • 1998-09-22
    • US751313
    • 1996-11-18
    • Michiharu Takahashi
    • Michiharu Takahashi
    • H05K9/00H01Q17/00
    • H01Q17/008
    • A broad-band radio wave absorber including a radio wave reflecting surface, and a plurality of magnetic members provided on the reflecting surface and arranged in columns and rows, each of the magnetic members being composed of a first layer in the form of a square tile or a cross and a second layer superimposed on the first layer and having at least one cylindrical block having a diameter smaller than the width of the first layer. The first layers of adjacent two magnetic members are in contact with each other. When the second layer has a plurality of cylindrical blocks, they are coaxially superimposed in turn in a step wise manner.
    • 一种包括无线电波反射表面的宽带电波吸收体和设置在反射表面上并以列和列布置的多个磁性部件,每个磁性部件由方形瓦片形式的第一层 或叠置在第一层上的交叉和第二层,并且具有直径小于第一层的宽度的至少一个圆柱形块。 相邻的两个磁性构件的第一层彼此接触。 当第二层具有多个圆柱形块时,它们以逐步的方式依次同轴地叠加。
    • 7. 发明授权
    • Broad-band radio wave absorber
    • 宽带无线电波吸收器
    • US5617096A
    • 1997-04-01
    • US327387
    • 1994-10-21
    • Michiharu Takahashi
    • Michiharu Takahashi
    • H05K9/00H01Q17/00
    • H01Q17/008
    • A broad-band radio wave absorber is disclosed which includes a radio wave reflecting surface, and a plurality of magnetic members provided on the reflecting surface and arranged in columns and rows in the directions of X- and Y-axes, each of the magnetic members having a first section extending in parallel with the Y-axis and a second section in contact with the first section throughout the height thereof and extending in parallel with the X-axis, such that the first sections in each column and the second sections in each row are spaced apart from each other at a predetermined distance. Each of the first and second sections has a part having a length which is smaller than the distance at which each adjacent two sections are spaced apart, so that there is formed an aperture between each of the two adjacent sections.
    • 公开了一种包括无线电波反射表面的宽带无线电波吸收器,以及设置在反射表面上并沿X轴和Y轴方向排成列的多个磁性部件,每个磁性部件 具有与所述Y轴平行延伸的第一部分和与所述第一部分在整个高度上与第一部分接触并且与X轴平行延伸的第二部分,使得每列中的第一部分和每一列中的第二部分 行以预定距离彼此间隔开。 第一和第二部分中的每一个具有的长度小于每个相邻的两个部分间隔开的距离的部分,使得在两个相邻部分中的每一个之间形成孔。
    • 9. 发明授权
    • Leakage radiation preventing element
    • 泄漏防辐射元件
    • US5783772A
    • 1998-07-21
    • US726493
    • 1996-10-07
    • Michiharu TakahashiHitoshi KomineYuji Ichikawa
    • Michiharu TakahashiHitoshi KomineYuji Ichikawa
    • H05B6/76H05K9/00
    • H05K9/0018
    • A novel leakage radiation preventing element effectively prevents radio waves from being radiated from an electronic appliance, without depending upon a capacitor or a choke coil. The leaked current I.sub.os and I.sub.or generated from a hole or a gap formed in a casing or a chassis is introduced into a wave guide path and then attenuated by radio wave absorption function of a magnetic substance disposed therein. A coaxial conductor (2) is passed through a hole (107) formed in a chassis (3). The wave guide path (104) is formed between the chassis and a conductive disk (101) electrically floated from the chassis. A radially outward end of the wave guide path (i.e., the outer circumferential end of the conductive disk) is shorted to the chassis at high frequency, and further the inside of the wave guide path is filled with a ferrite ring (102). Therefore, when being propagated along the wave guide path, the high frequency current leaked from the hole or gap of the chassis is absorbed by the ferrite ring, without being radiated to the outside.
    • 一种新颖的防泄漏辐射元件有效地防止无线电波从电子设备辐射,而不依赖于电容器或扼流线圈。 从形成在壳体或底盘中的孔或间隙产生的泄漏电流Ios和Ior被引入到波导路径中,然后通过设置在其中的磁性物质的无线电波吸收功能衰减。 同轴导体(2)穿过形成在底盘(3)中的孔(107)。 波导路径(104)形成在底盘与从底盘电浮动的导电盘(101)之间。 波导路径的径向外端(即,导电盘的外圆周端)以高频短路到底架,并且还在波导路径的内部填充有铁氧体环(102)。 因此,当沿着波导路径传播时,从底盘的孔或间隙泄漏的高频电流被铁氧体环吸收而不被辐射到外部。