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    • 1. 发明专利
    • 差動信号伝送用ケーブル
    • 用于差分信号传输的电缆
    • JP2015041519A
    • 2015-03-02
    • JP2013172182
    • 2013-08-22
    • 日立金属株式会社Hitachi Metals Ltd
    • YONEZAWA HIDENORISUGIYAMA TAKEHIRONONEN HIDEKIFUKASAKU IZUMI
    • H01B11/00H01B7/17H01B11/06
    • H01B11/002
    • 【課題】スキューの発生を抑制して伝送信号の高速化に確実に対応できるようにする。【解決手段】スキン層13の表面に、一対の信号線導体11の並び方向と直交する方向でかつ一対の信号線導体11の軸心の各々からの距離Dが等しい等距離部Pに配置されるシールド導体14を、部分的に設けた。絶縁部材12内で各信号線導体11の配置ズレが起きても、各信号線導体11の軸心からシールド導体14までの距離Dを略等しくできる。スキン層13の表面において、一対の信号線導体11の並び方向にはシールド導体14が配置されず当該部分を空間にできる。よって、絶縁部材12内で各信号線導体11の配置ズレが起きても、空間部分の誘電率は小さく、かつ各々の信号線導体11の並び方向の実効誘電率は、空間部分の誘電率に近づくため、各信号線導体11の実効誘電率に差異が生じるのを抑制できる。【選択図】図1
    • 要解决的问题:通过抑制歪斜的发生来可靠地应对高速信号传输。解决方案:在皮肤层13的表面中,部分地设置有屏蔽导体14,该屏蔽导体14沿着与 一对信号线导体11与线路导体14的各个轴心相等距离D对准等距离的部分P.即使在绝缘部件12中发生各信号线导体11的配置偏差, 各个信号线导体11到屏蔽导体14的轴向中心几乎可以相等。 在皮肤层13的表面,屏蔽导体14不沿着信号线导体11的排列方向排列,从而形成空间。 即使在绝缘构件12中发生各信号线导体11的配置偏差,空间部的介电常数也很小,各信号线导体11的取向方向的有效介电常数接近 空间部分,导致抑制各个信号线导体11之间的有效介电常数的差异的发生。
    • 2. 发明专利
    • 多対差動信号伝送用ケーブル
    • 用于差分信号传输的多对电缆
    • JP2015011768A
    • 2015-01-19
    • JP2013134041
    • 2013-06-26
    • 日立金属株式会社Hitachi Metals Ltd
    • NONEN HIDEKISUGIYAMA TAKEHIRO
    • H01B11/02H01B7/17
    • H01B11/20H01B11/002
    • 【課題】クロストークの発生を抑制し得る多対差動信号伝送用ケーブルの提供。【解決手段】第1介在部材11の横断面形状を円形形状に保持する第2介在部材12が、第1ケーブル集合体20とともに第1介在部材11内に設けられ、第1ケーブル集合体20および第2ケーブル集合体30を形成する差動信号伝送用ケーブル40のオーバーラップ部43aが、第2シールドテープ導体13に向けられている。第2介在部材12により第1介在部材11が円形形状に保持され、各差動信号伝送用ケーブル40の向きが変わったり、絶縁体が潰れて変形したりするのを抑制して、電気的平衡の崩れを抑制できる。オーバーラップ部43aが、第2シールドテープ導体13に向けられているので、多対差動信号伝送用ケーブル10の内側へのコモンモードエネルギーの漏洩を抑制できる。【選択図】図1
    • 要解决的问题:提供一种用于差分信号传输的多对电缆,能够抑制串扰的发生。解决方案:用于将具有圆形形状的第一夹层构件11保持在第一夹杂物中的第二夹杂构件12 构件11与第一电缆组件20.第一电缆组件20的重叠部分43a和用于形成第二电缆组件30的用于差分信号传输的电缆40指向第二屏蔽带导体13.第二包含构件12保持 第一夹持构件11为圆形,并且防止每个电缆40的方向上的变化用于差分信号传输和由于绝缘体折叠导致的变形,从而可以防止电平衡的崩溃。 由于重叠部分43a指向第二屏蔽带导体13,所以可以防止共模电能泄漏到用于差分信号传输的多对电缆10的内部。
    • 3. 发明专利
    • Cable for differential signal transmission and connection method to circuit board
    • 用于差分信号传输的电缆和电路板的连接方法
    • JP2014143104A
    • 2014-08-07
    • JP2013011360
    • 2013-01-24
    • Hitachi Metals Ltd日立金属株式会社
    • NISHIMURA KEINONEN HIDEKISUGIYAMA TAKEHIRO
    • H01B7/00H01B7/17H01B11/00H01R4/64H01R43/02
    • PROBLEM TO BE SOLVED: To provide a cable for a differential signal transmission capable of providing stable electrical characteristic for each product, and to provide a connection method to a circuit board.SOLUTION: An external conductor connection part 15a arranged between an insulation 12 and an external conductor 13, an exposure part 15b exposed to outside of the external conductor 13, and a ground pad connection part 15c projecting to an opposite side against a side where the insulator 12 exists and connecting to a ground pad 23 are arranged in a conductor for a ground 15. This prevents deformation or melting of the insulation 12 by heat with placing the insulation 12 far from a heat source. Because the conductor for the ground 15 can be connected to the external conductor 13 by arranging the external connection part 15a between the insulation 12 and the external conductor 13, conventional calking works can be omitted and deformations of the external conductor 13 and the insulator 12 can be prevented. Therefore, it is possible to obtain stable electrical characteristic for each product.
    • 要解决的问题:提供一种用于差分信号传输的电缆,其能够为每个产品提供稳定的电气特性,并为电路板提供连接方法。解决方案:外部导体连接部分15a,布置在绝缘体12和 外部导体13,暴露于外部导体13的外部的曝光部分15b以及与绝缘体12存在并连接到接地焊盘23的相对侧突出的接地焊盘连接部15c布置在导体 地面15.这样通过将绝缘体12放置在远离热源的位置,可以防止绝缘体12变形或熔化。 因为地线15的导体可以通过将外部连接部15a布置在绝缘体12和外部导体13之间而连接到外部导体13,因此可以省略常规的铆接工作,并且外部导体13和绝缘体12的变形可以 被阻止 因此,可以获得每种产品的稳定的电特性。
    • 4. 发明专利
    • Multicore shield flat cable and manufacturing method of the same
    • 多屏蔽平板电缆及其制造方法
    • JP2014187051A
    • 2014-10-02
    • JP2014140988
    • 2014-07-09
    • Hitachi Metals Ltd日立金属株式会社
    • SUNAGA YOSHINORISUGIYAMA TAKEHIRO
    • H01B7/08H01B7/17H01B11/00H01B13/00
    • PROBLEM TO BE SOLVED: To provide a multicore shield flat cable which has excellent high frequency characteristics and electromagnetic shieldability and is easily manufactured, and to provide a manufacturing method of the multicore shield flat cable.SOLUTION: A multicore shield flat cable (10) includes: multiple coated conductors (16), each of which includes internal conductors (12) and an insulation body (14); and an external conductor (18) covering the multiple coated conductors (16) together. The external conductor (18) includes a first shell (20) and a second shell (20) which work together to sandwich the multiple coated conductors (16), and the first shell (20) and the second shell (20) respectively include multiple grooves (22) covering outer peripheral surfaces of the coated conductors (16) and multiple edges (24) integrally continuing into both sides of each groove (22). The multicore shield flat cable (10) further includes a solder layer (16), for example, as gap occurrence prevention means preventing the occurrence of the gap between the edges (24) of the first shell (20) and the second shell (20).
    • 要解决的问题:提供具有优异的高频特性和电磁屏蔽性并容易制造的多芯屏蔽扁平电缆,并提供多芯屏蔽扁平电缆的制造方法。解决方案:多芯屏蔽扁平电缆(10)包括 :多个涂覆导体(16),每个涂覆导体(16)包括内部导体(12)和绝缘体(14); 以及将多个涂覆导体(16)覆盖在一起的外部导体(18)。 外部导体(18)包括第一壳体(20)和第二壳体(20),第一壳体(20)和第二壳体(20)一起工作以夹持多个涂覆的导体(16),并且第一壳体(20)和第二壳体(20) 覆盖涂覆导体(16)的外周表面的凹槽(22)和一体地连续到每个凹槽(22)两侧的多个边缘(24)。 多芯屏蔽扁平电缆(10)还包括焊料层(16),例如作为防止在第一壳体(20)和第二壳体(20)的边缘(24)之间发生间隙的间隙发生防止装置 )。
    • 5. 发明专利
    • Signal transmission device
    • 信号传输设备
    • JP2014160192A
    • 2014-09-04
    • JP2013031129
    • 2013-02-20
    • Hitachi Metals Ltd日立金属株式会社
    • SATO MASAAKISUNAGA YOSHINORISUGIYAMA TAKEHIROISHIGAMI YOSHIAKIKOMATSUZAKI SHINJIYAMAZAKI KINYA
    • G02B6/42
    • PROBLEM TO BE SOLVED: To reliably establish thermal coupling between communication modules and a cooling mechanism provided on a substrate on which the communication modules are mounted.SOLUTION: A signal transmission device 1 comprising communication modules 10 mounted on a motherboard 2 having a heat sinks 4 includes; a pressing member 20 which is provided on the motherboard 2 and is switchable between a first state and a second state in which the pressing member 20 is positioned closer to the heat sink 4 compared to the first state; and female connectors 17 which are arranged along the heat sink 4 and are for connecting the communication modules 10. When the pressing member 20 is switched to the second state, the communication modules 10 connected to the female connectors 17 are pressed against the heat sink 4 by the pressing member 20.
    • 要解决的问题:可靠地建立通信模块与设置在其上安装通信模块的基板上的冷却机构之间的热耦合。解决方案:一种信号传输装置1,包括安装在具有散热器4的母板2上的通信模块10 包括; 按压构件20设置在母板2上,并且可以在第一状态和第二状态之间切换,其中按压构件20与第一状态相比更靠近散热器4定位; 以及阴连接器17,其沿着散热器4布置并用于连接通信模块10.当按压构件20切换到第二状态时,连接到阴连接器17的通信模块10被压靠在散热器4上 通过按压部件20。
    • 6. 发明专利
    • Cable assembly and manufacturing method therefor
    • 电缆组件及其制造方法
    • JP2014102905A
    • 2014-06-05
    • JP2012252454
    • 2012-11-16
    • Hitachi Metals Ltd日立金属株式会社
    • SUGIYAMA TAKEHIRO
    • H01R13/6463H01R43/00
    • H01B13/00H01R4/028H01R9/034H01R12/592H01R13/6594H01R43/0263Y10T29/49174
    • PROBLEM TO BE SOLVED: To provide a cable assembly which can ensure stable electrical characteristics for each product, and to provide a manufacturing method therefor.SOLUTION: An external conductor exposed portion 20b is arranged in the second body 32 of a cable holder 30, and an external conductor 23 and each contact 34 for ground are connected by pouring solder SO to the solder reservoir 32a of the second body 32. Since the hot iron tip does not touch the external conductor 23, an insulator 22 can be prevented from being deformed or fused even with a molten solder SO. Furthermore, it is not required to crimp a shield connection terminal along the shape of the external conductor, nor to deform the insulator 22 elastically, as in the conventional. The insulator 22 is protected from thermal deformation and elastic deformation, and the electrical characteristics of a cable 20 for differential signal transmission are stabilized for each product thus enhancing the reliability.
    • 要解决的问题:提供一种电缆组件,其可以确保每个产品的稳定的电特性,并提供其制造方法。解决方案:外部导体暴露部分20b布置在电缆夹30的第二主体32中,并且 通过将焊料SO注入到第二主体32的焊料储存器32a来连接外部导体23和接地用接触件34.由于热铁尖端不与外部导体23接触,所以能够防止绝缘体22变形或 熔融甚至与熔融焊料SO。 此外,如以往那样,不需要沿着外部导体的形状对屏蔽连接端子进行压接,也不会弹性地使绝缘体22变形。 保护绝缘体22不受热变形和弹性变形,并且用于差分信号传输的电缆20的电气特性对于每个产品都是稳定的,从而提高了可靠性。
    • 7. 发明专利
    • Cable for differential signal transmission and multiconductor cable
    • 用于差分信号传输和多芯电缆的电缆
    • JP2014038777A
    • 2014-02-27
    • JP2012180897
    • 2012-08-17
    • Hitachi Metals Ltd日立金属株式会社
    • NONEN HIDEKISUGIYAMA TAKEHIRO
    • H01B11/00H01B11/06
    • H01B11/02H01B11/1826H01B11/1869H01B11/20
    • PROBLEM TO BE SOLVED: To provide a cable for differential signal transmission and a multiconductor cable easy to manufacture, capable of preventing degradation of transmission characteristics by preventing a shield tape from loosening, and easily exposing the shield tape at terminal.SOLUTION: A cable for differential signal transmission and a multiconductor cable include a pair of a cental conductor 2 transmitting differential signals, an insulator 3 surrounding the central conductor 2, a shield tape 4 wound longitudinally around the insulator 3, an insulation tape 5 wound spirally around the shield tape 4 so that an adhesive face 5a is positioned inside, and a non-adhesive tape 7 placed between the shield tape 4 and the insulation tape 5 in a longer direction so that it surrounds a part of a circumferential direction of outer periphery of the shield tape 5, as well as with non-adhesive to the shield tape 5.
    • 要解决的问题:提供用于差分信号传输的电缆和易于制造的多导体电缆,能够通过防止屏蔽带松动而防止传输特性的劣化,并且容易地将屏蔽带暴露在端子处。解决方案: 差分信号传输和多导体电缆包括一对传输差分信号的中心导体2,围绕中心导体2的绝缘体3,围绕绝缘体3纵向缠绕的屏蔽带4,围绕屏蔽带4螺旋缠绕的隔离带5 使得粘合面5a位于内侧,并且在更长的方向上设置在屏蔽带4和绝缘带5之间的非胶带7,使得其围绕屏蔽带5的外周的周向的一部分 ,以及对屏蔽带5不粘合。
    • 10. 发明专利
    • Signal transmission device and communication modules
    • 信号传输设备和通信模块
    • JP2014160190A
    • 2014-09-04
    • JP2013031122
    • 2013-02-20
    • Hitachi Metals Ltd日立金属株式会社
    • SATO MASAAKISUNAGA YOSHINORIISHIGAMI YOSHIAKIKOMATSUZAKI SHINJISUGIYAMA TAKEHIROYAMAZAKI KINYA
    • G02B6/42
    • PROBLEM TO BE SOLVED: To reliably establish thermal coupling between communication modules and a cooling mechanism provided on a substrate on which the communication modules are mounted.SOLUTION: A signal transmission device 1 comprising communication modules 10 mounted on a motherboard 2 having heat sinks 4, 5 includes; slots 6a, 6b which are located abutting the heat sinks 4, 5 on the motherboard 2 and are used for inserting and removing the communication modules 10; and leaf springs 21 which protrude from inner surfaces of the slots 6a, 6b and are brought into contact with the communication modules 10 inserted to the slots 6a, 6b to push the same toward the heat sinks 4, 5. Each leaf spring 21 starts touching a respective communication module 10 when insertion depth of the communication module 10 in a respective slot 6a, 6b reaches a predetermined depth after a bottom end, in an inserting direction, of the communication module 10 being inserted to the slot 6a, 6b passes the leaf spring 21.
    • 要解决的问题:可靠地建立通信模块与设置在其上安装通信模块的基板上的冷却机构之间的热耦合。解决方案:一种信号传输装置1,包括安装在具有散热器4的主板2上的通信模块10, 5包括 狭槽6a,6b位于与主板2上的散热器4,5邻接并用于插入和移除通信模块10; 以及板簧21,其从槽6a,6b的内表面突出并与插入槽6a,6b的通信模块10接触,以将其推向散热器4,5。每个板簧21开始触摸 通信模块10的插入深度在相应的槽6a,6b中的插入深度达到在通信模块10插入到槽6a,6b中的插入方向的底端的底端之后的预定深度时,相应的通信模块10通过叶 春天21。