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1. 发明专利

JP2012204089A Foam coaxial cable and manufacturing method thereof 有权
标题翻译：泡沫同轴电缆及其制造方法
公开(公告)号：JP2012204089A
公开(公告)日：2012-10-22
申请号：JP2011066536
申请日：2011-03-24
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KODAMA SOHEI , ABE MASAHIRO
IPC分类号： H01B11/18 , B29C47/02 , B29K105/04 , B29K105/22 , B29L9/00 , H01B13/016 , H01B13/14
摘要： PROBLEM TO BE SOLVED: To provide a foam coaxial cable capable of reducing eccentricity of a center conductor or a loss during high-frequency transmission, and preventing impedance mismatch.SOLUTION: In a foam coaxial cable 1 provided with a foam layer 3 on an outer periphery of a center conductor 2, extended air bubbles 5 are formed at equal intervals in a circumferential direction and a longitudinal direction of an inner part and an outer surface of the foam layer. Also, after the outer periphery of the center conductor is coated with the foam layer by a foam extruder, the center conductor is made to pass through a sizing die to cool the foam layer. In this method for manufacturing the foam coaxial cable, water paths are provided at equal intervals in a circumferential direction of the sizing die to provide a cooling speed distribution in the circumferential direction of the sizing die. The foam layer is cooled through the sizing die, and the extended air bubbles are formed at equal intervals in a circumferential direction of the outer surface of the foam layer.
摘要翻译：要解决的问题：提供一种能够降低中心导体的偏心率或高频率传输时的损耗的泡沫同轴电缆，并防止阻抗失配。解决方案：在中心导体2的外周设置有泡沫层3的泡沫同轴电缆1中，延伸的气泡5在内周面和内侧部分的圆周方向和长度方向上等间隔地形成泡沫层的外表面。此外，在通过泡沫挤出机将中心导体的外周涂覆有泡沫层之后，使中心导体通过定径模以冷却泡沫层。在这种制造泡沫同轴电缆的方法中，在定径模的圆周方向上以等间隔设置水路，以提供在定径模的圆周方向上的冷却速度分布。泡沫层通过施胶模具冷却，并且延伸的气泡在泡沫层的外表面的圆周方向上以相等的间隔形成。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2012104333A Foam insulated cable and method for manufacturing the same 有权
标题翻译：泡沫绝缘电缆及其制造方法
公开(公告)号：JP2012104333A
公开(公告)日：2012-05-31
申请号：JP2010250951
申请日：2010-11-09
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： SUZUKI HIDEYUKI , ENDO HIROHISA , KODAMA SOHEI , NAKAYAMA AKINARI , NAGANO MASABUMI
IPC分类号： H01B7/02 , H01B11/00 , H01B13/00 , H01B13/14
摘要： PROBLEM TO BE SOLVED: To provide means for making small both of a delay time (Td) and a delay time difference (Skew), forming a foam insulation having high formability and high stability in high productivity, and efficiently producing a cable having a small skew.SOLUTION: A form insulated cable 1 has a structure in which at least two foam insulated wires 10 each of which is constituted by forming a foam insulation 23 around a central conductor 21 are arranged in parallel or in stranded. A delay time (Td) of the foam insulated wires 10 is 3.9 ns/m or more and 4.2 ns/m or less, and the zero shear viscosity of the foam insulation 23 at 170°C is 3000 Pa s or more and 18000 Pa s or less.
摘要翻译：要解决的问题：为了提供延迟时间（Td）和延迟时间差（Skew）两者的方法，形成具有高成型性和高生产率的高稳定性的泡沫绝缘体，并且有效地生产电缆有一个小偏斜。解决方案：一种形式绝缘电缆1具有这样的结构，其中通过围绕中心导体21形成泡沫绝缘体23而构成的至少两根泡沫绝缘电线10平行布置或搁置。泡沫绝缘电线10的延迟时间（Td）为3.9ns / m以上且4.2ns / m以下，170℃下的泡沫绝缘体23的零剪切粘度为3000Pa·s以上且18000Pa s以下。版权所有（C）2012，JPO＆INPIT

3. 发明专利

JP2012216456A High-frequency coaxial cable 有权
标题翻译：高频同轴电缆
公开(公告)号：JP2012216456A
公开(公告)日：2012-11-08
申请号：JP2011081803
申请日：2011-04-01
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ABE MASAHIRO , KODAMA SOHEI , GOTO TOSHIHARU , NAKAYAMA AKINARI
IPC分类号： H01B11/18 , H01B13/016
摘要： PROBLEM TO BE SOLVED: To provide a high-frequency coaxial cable whose VSWR as an index of stability in a length direction of the cable is small, and whose attenuation amount is small.SOLUTION: In a high-frequency coaxial cable 10, an internal filling-up layer 12, a foamed resin insulating layer 13, an external filling-up layer 14, an external conductor 15, and a sheath 16 are sequentially provided in an outer periphery of a pipe-like internal conductor 11, and recessed parts 18 and convex parts 19 are provided on a surface of the pipe-like internal conductor 11 alternately over the whole periphery. The pipe-like internal conductor 11 is tightly adhered with the internal filling-up layer 12 only at the convex parts 19.
摘要翻译：要解决的问题：提供一种高频同轴电缆，其VSWR作为电缆长度方向的稳定性指标小，衰减量小。解决方案：在高频同轴电缆10中，依次设置有内部填充层12，发泡树脂绝缘层13，外部填充层14，外部导体15和护套16 管状内部导体11的外周，凹部18和凸部19在整个周边交替设置在管状内部导体11的表面。管状内部导体11仅在凸部19处与内部填充层12紧密地粘合。（C）2013，JPO＆INPIT

4. 发明专利

JP2011228064A Method of manufacturing high-frequency coaxial cable, high-frequency coaxial cable and extruding device 审中-公开
标题翻译：制造高频同轴电缆，高频同轴电缆和挤出装置的方法
公开(公告)号：JP2011228064A
公开(公告)日：2011-11-10
申请号：JP2010095299
申请日：2010-04-16
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ENDO HIROHISA , KODAMA SOHEI , SUZUKI HIDEYUKI , ABE MASAHIRO
IPC分类号： H01B13/14 , B29C47/02 , B29K105/04 , B29L9/00 , H01B11/18 , H01B13/016
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a high-frequency coaxial cable capable of reducing transmission loss by controlling blow holes generated on a foam insulator in the vicinity of the center conductor to have a uniform foaming state.SOLUTION: In the method of manufacturing the high-frequency coaxial cable in which a resin 6 is extruded from an extrusion die having a mandrel 4 and a base 5 and foamed to form a foam insulator 14 in the outer peripheral of a center conductor 2, a plurality of projections 13 are arranged on the outer peripheral surface of the mandrel 4 to grow microbubbles 7 and form the foam insulator 14.
摘要翻译：解决的问题：提供一种制造能够通过控制在中心导体附近的泡沫绝缘体上产生的气泡而具有均匀发泡状态来减少传输损耗的高频同轴电缆的制造方法。解决方案：在制造高频同轴电缆的方法中，其中树脂6从具有心轴4和基底5的挤出模头挤出并发泡以在中心的外周形成泡沫绝缘体14 导体2，多个突起13布置在心轴4的外周表面上，以生长微泡7并形成泡沫绝缘体14.版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010137501A Plastic extruder 审中-公开
标题翻译：塑料挤出机
公开(公告)号：JP2010137501A
公开(公告)日：2010-06-24
申请号：JP2008318280
申请日：2008-12-15
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ENDO HIROHISA , KODAMA SOHEI , SUZUKI HIDEYUKI
IPC分类号： B29C47/38
CPC分类号： B29C47/6043 , B29C47/6075 , B29C47/6081
摘要： PROBLEM TO BE SOLVED: To provide a plastic extruder capable of increasing agitation efficiency against a plastic material, and preventing change in a resin pressure called as pulsation in a cylinder, whereby change in extrusion pressure can be decreased and a thickness can be unified along with a longitudinal direction.
SOLUTION: In the plastic extruder including a screw 3 having a flight 1 having a predetermined height and a groove 2 having a predetermined depth on a circumference in an axis direction, and a cylinder 4 storing the screw 3, wherein a plastic material 5 supplied in a cylinder 4 is melted by blending with agitation by revolution of the screw 3, followed by discharging the resultant into an extrusion head 7, the flight 1 is formed with a plural of penetrating holes 6 capable of passing the plastic material 5 through the adjacent groove 2.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够提高对塑料材料的搅拌效率的塑料挤出机，并且防止称为气缸中的脉动的树脂压力的变化，从而可以降低挤出压力的变化，并且可以使厚度与纵向统一。解决方案：在包括具有预定高度的飞行1的螺钉3和在轴向方向上的圆周上具有预定深度的凹槽2的塑料挤出机和存储螺杆3的气缸4中，其中塑料材料通过旋转螺杆3的搅拌混合，将气缸4中的5供给到熔融状态，然后将其排出到挤出头7中，飞行1形成有能够使塑料材料5通过的多个贯通孔6 相邻的凹槽2.版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2013214499A Differential transmission cable and manufacturing method therefor 审中-公开
标题翻译：差分传输电缆及其制造方法
公开(公告)号：JP2013214499A
公开(公告)日：2013-10-17
申请号：JP2013004286
申请日：2013-01-15
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KAGA MASAFUMI , KODAMA SOHEI , NAKAYAMA AKINARI
IPC分类号： H01B11/00 , B29C47/02 , B29K105/04 , H01B7/02 , H01B7/17 , H01B13/00 , H01B13/14
CPC分类号： H01B13/06 , H01B7/00 , H01B11/1839 , H01B11/20 , H01B13/142 , Y10T29/49194
摘要： PROBLEM TO BE SOLVED: To provide a differential transmission cable including a foam insulator of uniform insulation performance, the change in degree of foaming of which is small in the longitudinal direction, and to provide an efficient manufacturing method therefor.SOLUTION: A differential transmission cable 10 is composed of one pair or more of internal conductors 20 arranged in parallel and extending in parallel, and a foam insulator 30 having a change in degree of foaming of 1% or less and arranged on the internal conductors 20 by bulk extrusion coat molding of a resin material. The change in degree of foaming means the difference of the maximum value and minimum value of the degree of foaming (%) of the foam insulator at 20 positions of every 50 cm in the longitudinal direction out of 10 m of the differential transmission cable cut out from an arbitrary position.
摘要翻译：要解决的问题：为了提供包括具有均匀绝缘性能的泡沫绝缘体的差分传输电缆，其长度方向上的发泡度变化小，并且提供了一种有效的制造方法。解决方案：差动传输电缆 10由一对或多个并联布置并平行延伸的内部导体20和发泡度变化率为1％以下的泡沫绝缘体30组成，并且通过本体挤出涂覆成型布置在内部导体20上树脂材料。发泡度的变化指的是在切断的差动传输电缆的10米的长度方向上的每50cm的20个位置的发泡度的最大值和最小值的最小值（％）之间的差异从任意位置。

7. 发明专利

JP2011159511A Manufacturing method of transmission cable, its manufacturing device, and transmission cable manufactured by its method 审中-公开
标题翻译：变速电缆的制造方法及其制造装置及其制造方法
公开(公告)号：JP2011159511A
公开(公告)日：2011-08-18
申请号：JP2010020686
申请日：2010-02-01
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： ENDO HIROHISA , KODAMA SOHEI , NAKAYAMA AKINARI , SUZUKI HIDEYUKI
IPC分类号： H01B13/00 , H01B7/02 , H01B11/00 , H01B11/06
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a transmission cable capable of manufacturing efficiently a transmission cable of a low skew and attaining cost reduction of the low-skew transmission cable, and provide its manufacturing device and the transmission cable manufactured by the method.
SOLUTION: In the manufacturing method of the transmission cable, a supplying means 7 for extracting a continuous long foamed insulation wire 4 from its one end is prepared and after one end of the foamed insulation wire 4 is extracted from the supplying means 7 and the wire 4 is cut to a prescribed length, and a cut end of the foamed insulation wire 4 on the supplying means side is extracted from the supplying means 7 and the wire 4 is cut to a prescribed length similarly to produce two foamed insulation wires each having the prescribes lengths to obtain the transmission cable 1 having these two foamed insulation wires 4 as a pair of core wires.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供能够有效地制造低偏斜传输电缆并实现低偏斜传输电缆的成本降低的传输电缆的制造方法，并且提供其制造装置和制造的传输电缆通过该方法。解决方案：在传输电缆的制造方法中，制备用于从其一端提取连续长的发泡绝缘电线4的供应装置7，并且在从供应装置7提取发泡绝缘电线4的一端之后并且将线4切割成规定长度，并且从供给装置7拔出供给装置侧的发泡绝缘线4的切断端，将线4切断成规定长度，同样制作两根发泡绝缘线每个具有规定长度以获得具有这两个发泡绝缘线4作为一对芯线的传输电缆1。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2013157309A Differential signal transmission cable 有权
标题翻译：差分信号传输电缆
公开(公告)号：JP2013157309A
公开(公告)日：2013-08-15
申请号：JP2012163258
申请日：2012-07-24
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： WATANABE HARUYUKI , SUGIYAMA TAKEHIRO , NAKAYAMA AKINARI , KAGA MASAFUMI , KODAMA SOHEI
IPC分类号： H01B11/06 , H01B7/17 , H01B11/12
CPC分类号： H01B11/18 , H01B11/183 , H01B11/1834 , H01B11/20
摘要： PROBLEM TO BE SOLVED: To provide a differential signal transmission cable in which a skew and a differential in-phase conversion amount are suppressed.SOLUTION: A differential signal transmission cable 1 comprises a pair of lead wires 2 which are arranged side by side in parallel with each other, an insulator 3 which collectively covers the pair of lead wires 2, and a metal foil tape 7 which is wound around an outer periphery of the insulator 3. The insulator 3 is an oval shape in which an outer peripheral shape on a cross section vertical to a length direction is curved and continued in a convex arcuate shape and a width Win a first direction along a direction where the pair of lead wires 2 are arranged side by side is larger than a widthin a second direction which is orthogonal to the first direction.
摘要翻译：要解决的问题：提供一种差分信号传输电缆，其中抑制了偏斜和差分同相转换量。差分信号传输电缆1包括并排布置的一对引线2 彼此共同地覆盖一对引线2的绝缘体3和缠绕在绝缘体3的外周的金属箔带7.绝缘体3是椭圆形状，其中外周形状为垂直于长度方向的横截面是弯曲的，并且沿着一对引线2并排布置的方向沿着凸弧形和宽度方向第一方向的宽度大于与第二方向正交的方向的宽度第一个方向。

9. 发明专利

JP2013149359A Parallel type foam coaxial cable 有权
标题翻译：并联型泡沫同轴电缆
公开(公告)号：JP2013149359A
公开(公告)日：2013-08-01
申请号：JP2012006840
申请日：2012-01-17
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KODAMA SOHEI , KAGA MASAFUMI , NAKAYAMA AKINARI
IPC分类号： H01B11/18 , H01B7/08
CPC分类号： H01B11/1882 , H01B11/20
摘要： PROBLEM TO BE SOLVED: To provide a parallel type foam coaxial cable capable of simultaneously achieving acceleration of a transmission speed and skew lowering.SOLUTION: A parallel type foam coaxial cable 10 includes: a pair or more internal conductors 1 juxtaposed and extended in parallel; a foam insulator 2 disposed so as to cover the internal conductors 1 altogether, whose cross sectional shape is an elliptic shape, an oval shape or a pseudo elliptic shape for which a plurality of curves are combined; a non-foam skin layer 3 disposed to cover the foam insulator 2, whose maximum thickness is the thickness in a major axis direction of the cross sectional shape of the foam insulator 2, and whose minimum thickness is the thickness in a minor axis direction of the cross sectional shape of the foam insulator 2; an external conductor 4 disposed to cover the non-foam skin layer 3; and an insulation jacket 5 disposed to cover the external conductor 4. The maximum thickness of the non-foam skin layer 3 is 1% or more of the major axis of the foam insulator 2.
摘要翻译：要解决的问题：提供能够同时实现传输速度和倾斜下降的加速度的并行型泡沫同轴电缆。解决方案：平行式泡沫同轴电缆10包括：一对或多个并联并延伸并且延伸的内部导体; 泡沫绝缘体2，其布置成一体地覆盖内部导体1，其截面形状为椭圆形，椭圆形或多个曲线组合的假椭圆形; 布置成覆盖泡沫绝缘体2的非泡沫表皮层3，其最大厚度为泡沫绝缘体2的截面形状的长轴方向的厚度，其最小厚度为短轴方向的厚度泡沫绝缘体2的横截面形状; 布置成覆盖非泡沫表层3的外部导体4; 以及设置成覆盖外部导体4的绝缘护套5.非泡沫表层3的最大厚度为泡沫绝缘体2的长轴的1％以上。

10. 发明专利

JP2013134930A Connection structure, connection method, and cable for differential signal transmission 有权
标题翻译：用于差分信号传输的连接结构，连接方法和电缆
公开(公告)号：JP2013134930A
公开(公告)日：2013-07-08
申请号：JP2011285371
申请日：2011-12-27
申请人： Hitachi Cable Ltd , 日立電線株式会社
发明人： KODAMA SOHEI , TANAKA KOTARO
IPC分类号： H01R12/65 , H01B7/00 , H01B11/18 , H01R12/53 , H05K7/00
CPC分类号： H05K1/18 , H05K3/3405 , H05K2201/1031 , H05K2201/1034 , H05K2201/10356 , Y02P70/611 , Y10T29/49149
摘要： PROBLEM TO BE SOLVED: To provide a connection structure, a connection method, and a cable for differential signal transmission which are capable of preventing deterioration in transmission characteristics by preventing deformation and melting of an insulator during soldering work.SOLUTION: In the connection structure, an external conductor 13 provided in the cable for differential signal transmission is connected to a substrate via a connection member 20 comprising a body 21 and projections 22 projected from the body 21. The connection member 20 is soldered to the external conductor 13 via the body 21 and is soldered to the substrate via the projections 22.
摘要翻译：要解决的问题：提供一种用于差分信号传输的连接结构，连接方法和电缆，其能够防止在焊接工作期间绝缘体的变形和熔化的传输特性的劣化。解决方案：在连接结构中，设置在用于差分信号传输的电缆中的外部导体13经由包括主体21的连接构件20和从主体21突出的突起22连接到基板。连接构件20经由主体21焊接到外部导体13 并且经由突起22被焊接到基板上。

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