WO2018038335A1 - Câble de communication - Google Patents

Câble de communication Download PDF

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Publication number
WO2018038335A1
WO2018038335A1 PCT/KR2017/000908 KR2017000908W WO2018038335A1 WO 2018038335 A1 WO2018038335 A1 WO 2018038335A1 KR 2017000908 W KR2017000908 W KR 2017000908W WO 2018038335 A1 WO2018038335 A1 WO 2018038335A1
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WO
WIPO (PCT)
Prior art keywords
cable
support
outer jacket
communication cable
pairs
Prior art date
Application number
PCT/KR2017/000908
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English (en)
Korean (ko)
Inventor
이우경
김정진
김태성
조영일
Original Assignee
엘에스전선 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 엘에스전선 주식회사 filed Critical 엘에스전선 주식회사
Priority to US16/326,860 priority Critical patent/US10573431B2/en
Priority claimed from KR1020170011936A external-priority patent/KR20180022534A/ko
Publication of WO2018038335A1 publication Critical patent/WO2018038335A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/184—Sheaths comprising grooves, ribs or other projections

Definitions

  • the present invention relates to a communication cable which can omit a separate metal shielding layer and can satisfy the Cat.6A or higher standard while simplifying the configuration.
  • the present invention does not apply a metal shielding layer covering each pair or the entire cable core, and by minimizing interference between adjacent cables by changing the structure of the outer jacket, communication cable standard of Cat.6A or higher class It relates to a communication cable that can satisfy the.
  • a UTP communication cable which is a cable used for wired communication, refers to an unshieled twisted pair cable.
  • commonly used UTP communication cable is also referred to as unshielded pair cable, unshielded twisted pair cable.
  • General UTP communication cable is a standard signal line used in LAN card. Such a UTP communication cable may be composed of a cable core including a plurality of pairs therein and an outer jacket wrapped to protect the outside of the cable core.
  • the UTP communication cable can be classified into a category (category, abbreviated as Cat.) According to the transmission rate (Mbps) and the transmission band (MHz) of the communication signal.
  • Cat.5 grade cable has a transmission rate of 100Mbps and Cat.5e class cable has a transmission rate of 100MHz, Cat.5e class has a transmission rate of 400Mbps and a band of 100MHz, Cat.6 cable has a transmission rate of 1Gbps and a band of 250MHz.
  • the .6A grade cable has a transmission rate of 10 Gbps and a transmission bandwidth of 500 MHz, and the Cat.7 grade cable that is expected to be used in the future has a transmission rate of 10 Gbps and a transmission bandwidth of 600 MHz.
  • the method of adding a metal shielding layer surrounding each pair or cable core inside the sheath of the communication cable has a complicated manufacturing process and a problem in that the manufacturing cost increases.
  • the present invention can satisfy Cat.6A or higher communication cable standard by minimizing interference between adjacent cables by changing the structure of the outer jacket without applying a metal shielding layer covering the entire pair or the cable core. It is an object of the present invention to provide a communication cable.
  • the present invention includes a cable core comprising a plurality of pairs each of which is formed by twisting the spiral spiral formed of a conductor coated with an insulator, and an outer jacket surrounding the outside of the cable core; includes The outer jacket is integrally formed with the outer jacket to prevent contact between the cable core and the inner surface of the outer jacket and to secure a spaced space in a radial direction, and a connection part connected to the inner surface of the outer jacket and the It is possible to provide a communication cable comprising a separation means configured to include a support for supporting the cable core by extending the width at the end of the connecting portion.
  • the plurality of separation means may be spaced apart from the inner surface of the outer jacket may be provided along the longitudinal direction of the cable.
  • the connecting portion of the separation means may be narrower toward the support side.
  • At least one groove may be formed on an upper surface of the support of the spacer.
  • the groove may be formed in a plurality of spaced apart on the upper surface of the support of each of the separation means.
  • the width of the groove formed on the upper surface of the support portion of the separation means may be the width of the groove located in the center.
  • the thickness of the outer jacket may be configured to be larger than the thickness of the connection portion of the separation means or the depth of the groove formed in the support portion.
  • the support portion of the separation means may have an arc shape.
  • the support portion of the plurality of spacer means may each have an arc shape of 50 degrees to 70 degrees.
  • the cable core may include a separator for separating the plurality of pairs.
  • the separator may have a cross section.
  • connection portion and the support portion provided in the outer jacket may be formed so that the communication cable meets the Cat.6A grade or more.
  • the separation means may be provided at four equal intervals in the circumferential direction on the cross section of the outer jacket.
  • the present invention is a plurality of pairs formed by twisting two wires including a conductor coated with an insulator spirally, an outer jacket surrounding the outside of the plurality of pairs, and the plurality of pairs To protrude in the center of the cable to prevent contact with the inner surface of the outer jacket and at the same time to form an empty space even under the support surface of the plurality of pairs, protrudes from the inner surface of the outer jacket to extend the width toward the center of the cable It is possible to provide a communication cable including a plurality of support arms having a cross-sectional shape.
  • the support arm may be integrally formed with the outer jacket.
  • the plurality of support arms may be formed at equal intervals in the circumferential direction on the inner surface of the outer jacket.
  • a plurality of protrusions may be formed on the support surface of each of the support arms spaced apart in the width direction of the support surface of the support arm.
  • the interval between the plurality of protrusions formed at the end of the support arm may be greater than the interval between the edge of the central portion.
  • the support surfaces of the plurality of support arms may have the shape of an arc.
  • the sum of angles at the cable centers of the support surfaces of the plurality of support arms may be 200 degrees or more.
  • four support arms may be provided.
  • the communication cable may satisfy a transmission speed of 10 Gbps or more in a transmission band of 500 MHz or more, and the diameter of the communication cable may be 8.1 millimeter (mm) to 8.5 millimeter (mm).
  • four pairs may be provided, and a cross separator may be provided between the four pairs.
  • the support arm may protrude from the inner surface of the outer jacket and then decrease in width toward the center of the cable and then expand in the support surface.
  • the communication cable according to the present invention it is possible to satisfy the communication standard of Cat. 6A without shielding each pair or a plurality of cable cores constituting the UTP communication cable with a separate metal shielding layer.
  • the manufacturing process is simple while satisfying the Cat.
  • the support arm as a separation means provided on the inner surface of the outer jacket constituting the communication cable has a shape that increases in width toward the center of the cable to support the cable core stably and At the same time, sufficient air space or empty space can be secured inside the cable, thereby reducing the overall dielectric constant of the communication cable, thereby improving the attenuation margin and propagation speed margin of the communication cable.
  • the support arm as a separation means provided on the inner surface of the outer jacket constituting the communication cable is provided so that the cable core including a plurality of pairs are arranged in the center of the communication cable, each of the adjacent cables Since the effect of separating the distance between the cable cores can be obtained, it is possible to minimize alien interference between adjacent cables.
  • FIG. 1 shows a partially peeled perspective view of a communication cable according to the invention.
  • FIG. 2 shows a cross-sectional view of the communication cable shown in FIG. 1.
  • Figure 3 shows a detailed cross-sectional view of the embodiment shown in Figures 1 and 2 of the outer jacket constituting the communication cable according to the present invention.
  • Figure 4 shows a detailed cross-sectional view of another embodiment of an outer jacket constituting a communication cable according to the present invention.
  • FIG. 1 shows a partially perspective view of a communication cable 1 according to the invention
  • FIG. 2 shows a cross-sectional view of the communication cable 1 shown in FIG. 1.
  • the communication cable 1 includes a cable core 100 including a plurality of pairs 10 in which two wires each formed of a conductor coated with an insulator are twisted in a spiral shape, and the cable core 100.
  • the outer jacket 400 surrounding the outer side, wherein the outer jacket 400 is integral with the outer jacket to prevent contact between the inner surface of the cable core and the outer jacket and to secure a space in the radial direction
  • a separation means configured to include a connecting part connected to an inner surface of the outer jacket and a supporting part supporting the cable core by expanding a width at an end of the connecting part.
  • the communication cable 1 according to the present invention may include a cable core 100 including a plurality of pairs 10.
  • the pair is formed by twisting two wires helically formed of a conductor coated with an insulator.
  • the communication cable 1 according to the present invention shown in Figs. 1 and 2 is shown to include four pairs 10, the number of pairs 10 is further increased according to the requirements of the communication standard. Can be.
  • Each conductor may be made of aluminum, copper, or annealed copper wire.
  • the C (capacitance) value decreases and the conductor resistance increases, so that the attenuation width becomes large, and a diameter of about 24 AWG may be mainly used.
  • the insulator covering the conductor may be made of low density polyethylene (LDPE, Low Density Polyethylene), medium density (MDPE, Medium Density Polyethylene), or high density polyethylene (HDPE, High Density Polyethylene). In some cases, an insulator having a dielectric member may be applied.
  • LDPE Low Density Polyethylene
  • MDPE Medium Density Polyethylene
  • HDPE High Density Polyethylene
  • the color of the insulator covering each conductor is generally configured differently.
  • the four pairs 10 illustrated in FIGS. 1 and 2 may constitute the core 100 in a state in which the four pairs 10 are spaced apart from each other by the cross separator 20.
  • the separator 20 has a cross section, is disposed in the cable in a gently spirally twisted state, and one pair 10 in a space divided into four by the separator 20. ) May be arranged. Each pair 10 may be spaced apart as much as possible by the separator 20, and the interference phenomenon may be minimized.
  • the separator 20 partitions each pair, provides an accommodation space of each pair, and each pair 10 may be seated in each accommodation space.
  • the separator 20 may perform a function of minimizing NEXT (near-end crosstalk) that may be deepened when the distance between pairs is reduced.
  • the near-end crosstalk may be aggravated as the grade according to the communication speed or frequency increases. Therefore, when not using shielding means for each pair (metal tape, etc.), a method of increasing the distance between each pair can be used to alleviate near-end crosstalk, and a separator is used as a method of increasing the distance between each pair.
  • the width and thickness of the separator must also increase to increase the distance between the pairs, thereby minimizing NEXT (near-end crosstalk), but the width and thickness of the separator 20 need to be compromised with the cable diameter.
  • the present invention omits a shielding layer for shielding each pair 10 while satisfying a required communication class, for example, CAT.6A or higher, and thus, a transmission rate of 10 Gbps or more in a transmission band of 500 MHz or more, as described below.
  • a required communication class for example, CAT.6A or higher
  • a transmission rate of 10 Gbps or more in a transmission band of 500 MHz or more as described below.
  • an outer jacket 400 may be provided on an outer side of the core 100.
  • the outer jacket 400 is configured to serve as a cable sheathing material, such as polyethylene, polyvinyl chloride, or halogen-free low smoke zero halogen or low smoke free of halogen (LSZH). It can be configured as.
  • LSZH is characterized by low smoke generation during ignition, and by adopting such halogen-free low flame retardant as a sheath member of communication cable, smoke density standard, halogen concentration standard, Toxic and low flammability standards are met.
  • the wires constituting each pair (10a, 10b, 10c, 10d) is a conductor (10a1, 10a2, 10b1, 10b2, 10c1, 10c2, 10d1, 10d2) is an insulator (10a3, 10a4, 10b3, 10b4) , 10c3, 10c4, 10d3, and 10d4, and the wires constituting the pairs 10a, 10b, 10c, and 10d remain twisted with each other.
  • the pitch of the pair of wires twisting each pair constituting the pairs 10a, 10b, 10c, and 10d may be configured differently, and the insulators 10a3, 10a4, 10b3, 10b4, 10c3, 10c4, and 10d3 surrounding the conductor , 10d4) may have different colors.
  • the cable core 100 constituting the communication cable 1 according to the present invention will be described taking the case of including the first pair 10a to the fourth pair 10d as an example.
  • the communication cable 1 satisfies the Cat.6A class or more standard having a transmission rate of 10 Gbps or more in a transmission band of 500 MHz or more, as shown in FIGS. 1 and 2, the communication cable ( 1) uses a method of changing the structure of the outer jacket 400 without providing a separate metal shielding layer surrounding each pair 10 or the core 100.
  • the communication cable 1 has a characteristic impedance, propagation delay, delay skew, attenuation, in terms of electrical characteristics between the pairs 10 constituting the cable.
  • PS NEXT Power Sum Near-End Crosstalk
  • NEXT Pair-to pair Near-End Crosstalk
  • ELFEX PS Power Sum-Equallevel Far-End Crosstalk
  • Pair-to pair Equal-level Far-End Crosstalk loss Return Loss, etc.
  • the present invention proposes a new structure as described below.
  • the communication cable 1 uses a method of securing a margin of various electrical characteristics by lowering the effective dielectric constant? Of the cable itself with respect to electrical characteristics between the plurality of pairs 10.
  • a method of lowering the effective dielectric constant of the cable itself may consider a method of maximizing an empty space, which is an accommodation space of the air layer, inside the cable.
  • a method of increasing the distance between the cores 100 of the adjacent communication cable 1 may be used unless a separate metal shielding layer is used to minimize external interference.
  • a method of increasing the distance between the cores 100 of adjacent cables may consider a method in which the core 100 of each cable is disposed at the center of the cable as much as possible.
  • the communication cable 1 according to the present invention is provided in the outer jacket 400, and maximizes the size of the empty space inside the cable through a separation means having a shape in which the width is expanded toward the center of the cable and at the same time a plurality of pairs (10)
  • the cable core 100 is configured to be arranged in the center of the cable.
  • FIGS. 1 and 2 show a detailed cross-sectional view of the embodiment shown in FIGS. 1 and 2 of an outer jacket 400 constituting a communication cable 1 according to the invention.
  • the outer jacket 400 constituting the communication cable 1 according to the present invention is provided on its inner surface to prevent contact between the plurality of pairs 10 and the inner surface of the outer jacket 400 and to secure a space in the radial direction.
  • Spacer means having a cross-sectional shape of the width is extended in the center direction of the cable may be provided.
  • the separation means may have the form of a support arm 300 protruding from the inner surface of the outer jacket 400.
  • the support arm 300 as the separation means may be integrally formed with the outer jacket 400 and may be provided in plurality.
  • the four support arms 300 are shown in the circumferential direction along the inner surface of the outer jacket 400, the four are spaced apart at equal intervals is shown an example provided long along the longitudinal direction of the cable.
  • the support arms 300 as the respective separation means have a shape in which the width of the support arm 300 extends from the inner surface of the outer jacket 400 toward the center of the cable.
  • the support arm 300 may have, for example, a T-shape or a Y-shape, an inverted triangle or an inverted trapezoid.
  • the support arm 300 protrudes from the inner surface of the outer jacket 400 to have an enlarged width in an area supporting the core 100.
  • the support arm 300 as the separation means has a width at the end of the connecting portion 310 and the connecting portion 310 is connected to the inner surface of the outer jacket 400 is the plurality of pairs 10 or core 100 It may be configured integrally, including a support 360 for supporting.
  • a plurality of grooves 360h1 and 360h2 are formed on the top surface 360s of the support arm 300.
  • the support parts 360 of the plurality of support arms 300 are configured to be spaced apart from each other so as to have a shape corresponding to a part of an arc of one circle.
  • a first space S1 may be formed between the lower surface of the support part 360 and the inner surface of the outer jacket 400, and the grooves 360h1 of the upper surface 360s of the support arm 300 may be formed.
  • the second space S2 and the third space S3 may be formed inside the 360h2, and the fourth space S4 may be formed between the side surfaces of the support 360 of the adjacent support arm 300.
  • the core 100 may be supported to be stably disposed at the center of the cable by the support part 360 of the support arm 300 and at the same time, various empty spaces may be secured in the cable.
  • the space inside the cable is increased to lower the effective permittivity ⁇ , thereby improving the margin of electrical characteristics between the pairs 10, and allowing the cable core of the communication cable to be positioned as close to the center of the cable as possible. Increasing the spacing between the cores of the cable also minimizes extraterrestrial interference.
  • grooves 360h1 and 360h2 formed on the upper surface 360s of the support 360 of the support arm 300 may be long in the longitudinal direction (ie, the longitudinal direction of the communication cable) of the support 360.
  • grooves 360h1 and 360h2 formed on the upper surface 360s of the support 360 of the support arm 300 may not be seated by inserting a specific pair 10 constituting the cable core 100. It is preferable that the size is not configured.
  • the groove (360h1, 360h2) is shown that the three spaced apart on the upper surface (360s) of the support portion 360 of each of the separation means, the number and support of the support arm 300
  • the width and number of each of the grooves 360h1 and 360h2 can be increased or decreased depending on the size of the width 360, the insulation outer diameter of the wire constituting the pair 10, or the major pitch.
  • the plurality of support parts 360 have a shape corresponding to the plurality of spaced arcs of the circular arc of one circle.
  • the fourth space s4 is secured, but since the empty space is relatively insufficient in the radial direction penetrating through the connecting portion 310, a center of the plurality of grooves 360h1 and 360h2 formed on the upper surface 360s of the support 360 is provided.
  • the width of the formed groove 360h1 may be configured to be the largest to minimize the variation of the area of the radial space.
  • the connecting portion 310 of the support arm 300 as the separation means may be configured to be narrower toward the support portion 360 side.
  • the connecting portion 310 of the separation means is narrower in width toward the support portion 360 side structure can be implemented in a way that the side of the connecting portion 310 is configured in the radial direction.
  • the side of the support part 360 and the side surfaces of the grooves 360h1 and 360h2 formed in the support part 360 also face the cable center direction. It may be configured to be.
  • the openings of the grooves 360h1 and 360h2 formed in the support part 360 are narrow and the inside thereof is widened, thereby maximizing the empty space inside the cable and preventing wires from being seated inside. There is an advantage to that.
  • the first angle ⁇ 1 which is the angle ⁇ 1 of the arc corresponding to the support 360 of each support arm 300
  • the second angle ⁇ 2 which is the angle ⁇ 2 of the arc corresponding to the interval between the support parts 360 is 20 degrees to 40 degrees
  • the groove formed on the upper surface 360s of the support part 360
  • the third angle ⁇ 3, which is the angle of the arc corresponding to the groove 360h1 formed at the center of the 360h1 and 360h2 is configured to be about 5 degrees to 15 degrees to maximize the empty space inside the cable, and the core 100 of the cable It was confirmed that the electrical properties between the pair 10 and the electrical properties related to extraterrestrial interference required in the Cat.
  • the third angle ⁇ 3 is about 10 degrees.
  • the thickness t1 of the outer jacket 400, the thickness t2 of the connection portion 310 of the support arm 300, the support portion 360 The depth t3 of the grooves 360h1 and 360h2 formed in the grooves and the total thickness t4 of the support part 360 may be determined according to the entire cable diameter.
  • the thickness t2 of the connection part 310 of the support arm 300 and the depth t3 of the grooves 360h1 and 360h2 formed in the support part 360 may be configured in a corresponding size, and the outer jacket 400 ),
  • the thickness t1 may be greater than the thickness t2 of the connection part 310 of the support arm 300 and the depth t3 of the grooves 360h1 and 360h2 formed in the support part 360. It has been experimentally confirmed that the thickness t1 of the outer jacket 400 is preferably smaller than the total thickness t4 of the support part 360.
  • the connection part 310 stably supports the core 100.
  • the outer jacket 400 is not preferable because it is easily deformed by an external force.
  • the pairs or wires constituting the core 100 may be seated in a specific groove, and thus, are disposed between the grooves.
  • the height of the wall supporting the pair or wires should be limited to prevent the wires or pairs from being inserted into the grooves in order to prevent the wall from bending or crushing.
  • the respective separation means within the allowable thickness of the outer jacket 400, the depth t3 of the grooves 360h1 and 360h2 of the support part 360, or the thickness t2 of the connection part 310 is allowed.
  • the connection portion 310 of the support stably supports the cable core toward the center of the cable, it is preferable to determine the appropriate size so that a particular pair or wire is not received in the grooves (360h1, 360h2) of the support portion 360, experimentally described later
  • the depth t3 of the grooves 360h1 and 360h2 formed in the support part 360 it was concluded that it is desirable to be configured larger.
  • the diameter of the communication cable 1 is about 8.1 millimeters (mm) to 8.5 millimeters (mm), it is required in Cat.6A grade. It was confirmed that electrical characteristics between the pairs 10 and electrical characteristics related to extraterrestrial interference could be satisfied.
  • FIG. 4 shows a detailed cross-sectional view of another embodiment of an outer jacket 400 constituting a communication cable 1 according to the invention. Descriptions duplicated with the description with reference to FIG. 3 will be omitted. 3 illustrates an example in which a plurality of grooves are formed on an upper surface of a support part of the support arm 300 to maximize empty space, but the embodiment illustrated in FIG. 4 illustrates a plurality of protrusions on an upper surface of the support arm. The same effect can be obtained using the forming method.
  • the difference between the embodiment shown in FIG. 3 and the embodiment shown in FIG. 4 is distinguished in the method for forming a void inside the cable. That is, the embodiment shown in Figure 3 to form the grooves (360h1, 360h2) in the support surface (360s, upper surface of the support portion 360) of the support arm 300 constituting the separation means to secure the empty space inside the cable Rather than the method of forming a projection (360p1, 360p2) on the support surface (360s) is used.
  • a plurality of protrusions 360p1 and 360p2 contacting the cable core may be spaced apart from each other in the width direction of the support surface 360s on the upper surface of each of the support arms 300.
  • the plurality of protrusions 360p1 and 360p2 may be provided long along the longitudinal direction of the cable, similarly to the grooves 360h1 and 360h2 of the embodiment shown in FIG. 3.
  • each protrusion may be formed in the process of forming a plurality of protrusions 360p1 and 360p2. It is preferable that the width between the projections 360p1 and 360p2 provided at the center of the support part 360 of the space between 360p1 and 360p2 is maximized, and the thickness t1 of the outer jacket 400 is the support arm.
  • the thickness t2 of the connection part 310 of the 300 may be greater than the thickness t3 ′ of the protrusions 360p1 and 360p2 formed in the support part 360, and the connection part 310 of the support arm 300 may be formed.
  • the thickness t2, the thickness t3 'of the protrusions 360p1 and 360p2 formed on the support 360, and the thickness t4' of the support 360 are various combinations according to the type of cable and the diameter of the cable. This was confirmed to be possible.
  • the cable core 100 composed of each pair 10 or a plurality of pairs 10 constituting the UTP communication cable (1) ) Can satisfy Cat.6A's communication standards without shielding with a separate metal shielding layer.
  • the width of the support arm 300 as a separation means provided on the inner surface of the outer jacket 400 constituting the communication cable 1 increases toward the center of the cable. Since it has a shape, the core 100 can be stably supported and the air layer or the empty space can be sufficiently secured inside the cable, so that the overall effective dielectric constant of the communication cable 1 is lowered so that the attenuation margin and propagation speed of the communication cable 1 are lowered.
  • the core 100 consisting of a plurality of pairs 10 by the support arm 300 as the separation means is arranged in the center of the communication cable 1 so that each core 100 of the adjacent cable It is confirmed that extraneous interference between adjacent cables can be minimized by separating the distances between the cables.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Insulated Conductors (AREA)

Abstract

La présente invention concerne un câble de communication capable de satisfaire une norme de câble de communication d'une qualité Cat.6A ou plus en réduisant au minimum l'interférence entre des câbles adjacents par l'intermédiaire d'un procédé de changement de structure d'une gaine externe, sans application d'une couche de blindage métallique ayant une forme englobant chaque paire ou le noyau de câble entier ou l'application d'un séparateur d'une structure spéciale pour séparer chaque paire.
PCT/KR2017/000908 2016-08-24 2017-01-25 Câble de communication WO2018038335A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/326,860 US10573431B2 (en) 2016-08-24 2017-01-25 Communication cable

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0107598 2016-08-24
KR20160107598 2016-08-24
KR10-2017-0011936 2017-01-25
KR1020170011936A KR20180022534A (ko) 2016-08-24 2017-01-25 통신 케이블

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WO2018038335A1 true WO2018038335A1 (fr) 2018-03-01

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CN109920590A (zh) * 2019-03-20 2019-06-21 嘉兴奥亿普数据电缆有限公司 一种数据线用齿轮护套

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KR101160160B1 (ko) * 2012-02-24 2012-06-27 일진전기 주식회사 고속 통신용 유티피 케이블

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Publication number Priority date Publication date Assignee Title
US20060169479A1 (en) * 2005-01-28 2006-08-03 Scott Dillon Jacket construction having increased flame resistance
KR20070064216A (ko) * 2005-12-16 2007-06-20 엘에스전선 주식회사 자켓 내부에 스페이서를 구비하는 통신용 데이터 케이블
KR20110081748A (ko) * 2010-01-08 2011-07-14 엘에스전선 주식회사 세퍼레이터에 의해 외계간섭이 개선된 유티피 케이블
KR20120047190A (ko) * 2010-11-03 2012-05-11 대한전선 주식회사 외부 전자기파 간섭 방지용 비차폐 데이터 케이블
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* Cited by examiner, † Cited by third party
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CN109920590A (zh) * 2019-03-20 2019-06-21 嘉兴奥亿普数据电缆有限公司 一种数据线用齿轮护套

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