EP3306740A1 - Câble de guide d'ondes diélectrique - Google Patents

Câble de guide d'ondes diélectrique Download PDF

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Publication number
EP3306740A1
EP3306740A1 EP16193115.9A EP16193115A EP3306740A1 EP 3306740 A1 EP3306740 A1 EP 3306740A1 EP 16193115 A EP16193115 A EP 16193115A EP 3306740 A1 EP3306740 A1 EP 3306740A1
Authority
EP
European Patent Office
Prior art keywords
dielectric
waveguide cable
permittivity
dielectric waveguide
cable according
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP16193115.9A
Other languages
German (de)
English (en)
Inventor
Michael Wollitzer
Gunnar Armbrecht
Rainer BIPPUS
Raimund Klapfenberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosenberger Hochfrequenztechnik GmbH and Co KG
Original Assignee
Rosenberger Hochfrequenztechnik GmbH and Co KG
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 Rosenberger Hochfrequenztechnik GmbH and Co KG filed Critical Rosenberger Hochfrequenztechnik GmbH and Co KG
Priority to EP16193115.9A priority Critical patent/EP3306740A1/fr
Priority to PCT/EP2017/068148 priority patent/WO2018068914A1/fr
Priority to KR1020197004585A priority patent/KR20190065239A/ko
Priority to CN201780046147.6A priority patent/CN109565100A/zh
Publication of EP3306740A1 publication Critical patent/EP3306740A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/16—Dielectric waveguides, i.e. without a longitudinal conductor
    • 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
    • H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
    • H01B11/1804—Construction of the space inside the hollow inner conductor
    • 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
    • H01B7/0009—Details relating to the conductive cores

Definitions

  • the present invention relates to a dielectric waveguide cable for transmitting high-frequency signals in the gigahertz range and to a transmission method for a signal.
  • Gigahertz electromagnetic wave non-dielectric waveguide cables are known.
  • Dielectric waveguide cables such as fiber or POF for the optical transmission of signals with a frequency in the terahertz range have long been known.
  • Such cables usually have quartz glass or PMMA (polymethylmethacrylate).
  • the present invention has the object, a dielectric waveguide cable, which for the transmission of signals in a frequency range between 50 GHz and 500 GHz, specify. According to the invention, this object is achieved by an assembly having the features of patent claim 1.
  • the idea underlying the present invention is to encase a dielectric core material from a dielectric sheath having a reduced permittivity. Due to the incorporation of air into the second dielectric whose permittivity can be further reduced.
  • the first dielectric layer is to be designed such that it has the highest possible permittivity, so that an electromagnetic wave remains bound in the first dielectric. This improves the signal transmission especially at a bend of the cable.
  • a lower permittivity is to be selected. In this way, the guidance of the shaft in the first dielectric is improved. In addition, the lower permittivity of the second dielectric reduces the losses.
  • the dielectric sheath is designed in such a way that it concentrates the greatest possible proportion of an electromagnetic wave to be transmitted in the core, even at frequencies in the gigahertz range.
  • a dielectric waveguide according to the invention uses only dielectric materials for signal transmission. Due to this, two ends of the dielectric waveguide are galvanically separated from each other.
  • core and “first dielectric” or “sheath” and “second dielectric” or “sheath” and “third dielectric” are used synonymously below.
  • the dielectric waveguide cable also has a third dielectric, which forms an outer protective covering for the first and the second dielectric.
  • the dielectric waveguide cable can be protected from external environmental influences, such as UV radiation or mechanical influences.
  • the stiffness of the third dielectric can be chosen such that it makes it difficult to bend the waveguide cable.
  • the dielectric waveguide cable can be achieved both low attenuation, low dispersion and high Bermmunnkeit, that is, the leadership of the wave in the cable is not affected by a hand touch , having.
  • a cable according to the invention can also be designed for contact with water or metal.
  • the third dielectric may be composed of different materials.
  • An outer layer protects the waveguide cable against non-electrical environmental influences, such as UV radiation or mechanical Influences.
  • a second inner layer is designed in terms of its material properties such that the waveguide cable is shielded from electrical environmental influences. In this way, the second inner layer of the sheath also shields the electric field in the waveguide cable to the outside.
  • the third dielectric designed as a protective sheath can be designed with regard to various functionalities.
  • a difference between the permittivity of the first dielectric and the permittivity of the second dielectric is between 0.3 and 2.0, in particular between 0.5 and 1.2, more particularly approximately 0.8.
  • Solid materials with a permittivity of less than 2.0 are currently unknown. These differences in permittivity are thus achieved by incorporating a certain amount of air into the second dielectric. Due to a large difference in the permittivity between the first dielectric and the second dielectric, the guidance of the electromagnetic wave in the first dielectric is improved. As a result, a guide of the electromagnetic wave is possible even with small bending radii.
  • the first and / or the second dielectric comprises polyethylene (PE) and / or polypropylene (PP) and / or polytetrafluoroethylene (PTFE).
  • PE polyethylene
  • PP polypropylene
  • PTFE polytetrafluoroethylene
  • an additive for increasing the temperature resistance may be mixed.
  • a waveguide cable with the materials mentioned has, with a suitable design, a bending radius which corresponds approximately to a five-fold cable diameter.
  • the second dielectric is formed as a foam, in particular PE foam, and / or as a braid and / or as at least one band, which surrounds the first dielectric, and / or as a fleece.
  • the second dielectric may also be formed as a braid with sufficiently large spaces between the individual fibers of the braid. Further alternatively, the second dielectric may be formed as one or more ribbons that wrap around the first dielectric. Further alternatively, the second dielectric may be formed as a nonwoven. A nonwoven is understood to mean a sheet with non-oriented fibers.
  • the second dielectric is particularly advantageous to construct the second dielectric as a material mixture. Accordingly, that can second dielectric also have multiple components of foam, braid or tape. In addition, a foam may have multiple dielectric layers of different materials. It is also conceivable to weave a network of fibers of different materials or to use several bands of different materials.
  • the second dielectric can be designed particularly advantageously with respect to mechanical and electrical properties.
  • the permittivity of the second dielectric can be further adjusted.
  • the third dielectric TPE in particular TPE S.
  • TPE in particular TPE S, is a dielectric with a particularly large loss factor and advantageous mechanical properties, in particular with regard to resistance to kinking, and also high flame resistance.
  • Another advantage of a particularly large loss factor in the jacket is that higher, unwanted modes are greatly attenuated, since they have a greater electromagnetic field extension than the fundamental mode to be transmitted.
  • the first dielectric has an air-filled bore. In this way it can be achieved that the group delay of an electromagnetic wave in a certain frequency range is constant. In this way, the frequency band on which the dielectric waveguide cable is designed widened.
  • a bore reduces the cable loss, since at least a part of the energy is guided in the bore and experiences there almost no damping.
  • the bore is formed centrally in the axial direction in the first dielectric.
  • the first dielectric has a symmetrical cross section, in particular a circular or polygonal cross section.
  • the shaft is not subject to a preferred direction. This is particularly advantageous in the case of circularly polarized waves.
  • the first dielectric has a cross section with side lengths of different lengths.
  • its direction of vibration can be parallel to one of the side lengths.
  • a preferred direction of the electromagnetic wave to be transmitted in the direction of the side parallel to the vibration direction side length, ie the longer or shorter side length, depending on the supply of the wave. This leads to an increased directional stability of the electromagnetic polarization even when bending the cable.
  • the first dielectric may have a rectangular or elliptical cross section. Dielectrics with an elliptical cross section are easy to manufacture.
  • Cores with cross sections of different side lengths are particularly advantageous for linearly polarized waves.
  • the polarization of the wave follows the direction of the semi-axes. With a feed on the short side, there is less damping.
  • the second dielectric has a plurality of spokes, in particular two, three, four, five, six, seven or eight spokes.
  • a spoke is meant a spacer between the first dielectric and the third dielectric, which extends in a plane perpendicular, ie radially, to the transmission direction and only partially fills the gap between the first and the third dielectric.
  • the second dielectric has a plurality of support disks in the axial direction.
  • a plurality of successive support disks are formed in the transmission direction of the cable.
  • the distance between the support disks has to be dimensioned depending on the wavelength. In this way, the permittivity of the second dielectric can be further adjusted.
  • the second dielectric has at least one filler filament, in particular two filler filaments, which spirally wrap the first dielectric.
  • the filler filament may comprise one or more fibers or one or more foam strands and provides for further air entrapment in the vicinity of the first dielectric. It is particularly advantageous to use a core with the above-mentioned filament filaments to wrap around to round off the outer contour of the first dielectric.
  • the second dielectric has a foam mass which surrounds the at least one fiber. In this case, air is trapped between the fiber and the foam mass. In this way, the permittivity of the second dielectric can be further adjusted.
  • the FIG. 1 shows a dielectric waveguide cable 10 according to a first embodiment of the invention.
  • the waveguide cable 10 includes a dielectric core 12 for transmitting an electromagnetic wave, a dielectric sheath 14 for shielding the wave to be transmitted, and a dielectric sheath 16 for protecting the dielectric waveguide cable 10.
  • the core 12 made of PE has a round cross-section.
  • a shell 14 Surrounding the core concentrically, a shell 14 is formed of PE foam.
  • the foam is designed such that it is suitable to store as much air in the shell 14 with sufficient mechanical stability.
  • the shell 14 concentrically surrounding a shell 16 is formed of TPE-S.
  • the jacket 16 protects the cable 10 from UV radiation and mechanical influences. It also protects the cable 10 from being touched by a user.
  • FIG. 2 shows a dielectric waveguide cable 20 according to a second embodiment of the invention. Similar to FIG. 1, the cable 20 has a core 22, a sleeve 24 and a jacket 26. The cable 20 in FIG. 2 differs from the cable 10 in FIG. 1 through the core 22, which has a bore 21.
  • the bore 21 is formed centrally in the core 22. However, it is also conceivable not to arrange the bore 21 symmetrically to the core 22. Furthermore, it is conceivable to form a plurality of bores 21 in the core 22.
  • FIG. 3 shows another dielectric waveguide cable 30 according to another embodiment of the invention.
  • the Dielectric waveguide cable 30 in FIG. 3 is similar to the cable 20 from FIG. 2 constructed and has a core 32 with a bore 31, a sheath 34 and a sheath 36.
  • the cable 30 differs from the cable 20 in FIG. 2 by the rectangular cross-sectional shape of the core 32.
  • the rectangular cross-sectional shape of the core 32 causes a preferred direction of a wave to be transmitted in the direction of the longer or shorter side of the core, depending on the supply of the shaft.
  • FIG. 4 shows another waveguide cable 40 according to the invention, which is constructed similar to the cable 30 and causes a similar technical effect as the cable 30.
  • Analogous to the cable 30 and the dielectric waveguide cable 40 includes a core 42 having a bore 41, a PE foam, which surrounds the core 42 and a sheath 46 of TPE-S.
  • the cable 40 in FIG. 4 differs from the cable 30 by the elliptical cross-sectional shape of the core 42. Similar to the core 32 also has the core 42 in FIG. 4 different side lengths, ie half-axes, on, whereby a wave to be transmitted is also a preferred direction in the direction of the longer or shorter half-axis is forced. According to current knowledge, however, results in manufacturing advantages in an elliptical cross-section.
  • FIG. 5 shows another inventive dielectric waveguide cable 50 with a core 52 which is penetrated by a bore 51, a sheath 54 and a sheath 56th
  • the dielectric waveguide cable 50 differs from the previous cables by the polygonal cross-sectional area of the core 52 FIG. 5
  • the polygonal cross-section also has different maximum side lengths 57 and 58. It is understood that a polygonal cross-section with identical maximum side lengths 57, 58 is conceivable, if no preferred direction of the shaft is desired.
  • the maximum side lengths 57, 58 of the polygon are the same as the side lengths of the rectangle in FIG FIG. 3 or the ellipse in FIG. 4 freely variable.
  • dielectric waveguide cables 20, 30, 40 and 50 in the Figures 2-5 are each shown with a bore, it is understood that the cables 20, 30, 40, 50 are executable without the bore in the core.
  • the sheath of the dielectric waveguide cables 10, 20, 30, 40 and 50 are each formed as a PE foam. It is understood that, alternatively, according to an alternative embodiment of the invention, such as PTFE tapes or braid, are conceivable.
  • FIG. 6 shows a further embodiment of a dielectric waveguide cable 60 according to the invention. Similar to the preceding cables, the cable 60 also has a core 62 and a jacket 66.
  • the cable 60 differs from the previous cables by its sheath, which has spokes 64.
  • the spokes 64 form an air trap 63 between the spokes 64.
  • the spokes 64 are mechanical in nature, especially stability requirements. Thus, it is conceivable to design the spokes 64 continuously in the transmission direction of the cable 60 or to arrange several layers of spokes 64 in the manner of a support disk along the transmission direction, their spacing being oriented to one another at the wavelength of the shaft to be transmitted.
  • FIG. 7 shows a dielectric waveguide cable 70 according to another embodiment of the invention.
  • the dielectric waveguide cable 70 has a core 72 and a second dielectric 74 with an air inclusion 73.
  • a jacket 76 surrounds the second dielectric 74 with the air entrapment 73
  • FIG. 7 is the second dielectric 74 and the shell formed as a so-called Beilauffilament, which surrounds the core 72 spirally and thus the sheath 76 to the core 72 spaced.
  • the filler filament 74 may comprise a plurality of smaller spun filaments. In this way, the permittivity of the filler filaments 74 can be adjusted in an application-specific manner.
  • the cores 62 and 72 of the cables 60 and 72 have no holes. It is understood that the cables 60 and 70 are also executable with a bore in the cores 62 and 72, respectively.
  • FIG. 8 shows a dielectric waveguide cable 80 according to another embodiment of the invention. Similar to the cable 20 in FIG. 2 also, the cable 80 includes a TPE jacket 86, a core 82 having a bore 81, and a dielectric sheath 83, 84.
  • the cable 80 differs from the previous cables in the structure of its dielectric sheath having two layers 83 and 84.
  • the permittivity can be adjusted application specific.
  • FIG. 8 Only two layers are shown as examples, a construction of more than two layers is conceivable.
  • the layer structure of the sheath 83, 84 can be combined as desired with one of the preceding dielectric waveguide cables 10, 20, 30, 40 or 50.
  • FIG. 9 shows another inventive dielectric waveguide cable 90 according to another embodiment.
  • the cable 90 has a core 92 with a bore 91, a sheath 94 and a jacket 95, 96.
  • the cable 90 differs from the cable 20 by the multilayer construction of the jacket 95, 96 with a first layer 96 and a second layer 95.
  • the first layer 96 comprises TPE-S.
  • the second layer 95 has PE. In this way, the outer jacket 96 protects the cable from mechanical impact or UV radiation, whereas the inner jacket 95 electrically protects the cable.
  • FIG. 10 shows another dielectric waveguide cable 100 according to another embodiment of the invention. Similar to the preceding cables, the cable 100 also has a jacket 107, a shell 106 and a core 102 with a bore 101. The cable 100 differs from the preceding cables by two catenary filaments 103 and 104, which impart a desired, for example round or elliptical, contour to the rectangular core 102 in that the catenary filaments 103 and 104 wrap the core 102.
  • FIG. 11 shows four permittivity profiles in the radial direction of different conductors.
  • the permittivity profiles 17, 18, 19 of a monomode fiber conductor, a multimode fiber conductor and a POF conductor (polymeric optical fibers) according to the prior art are each based on a wavelength of 1550 nm for single mode and multimode and 650 nm for POF.
  • the permittivity profile 11 of the dielectric waveguide according to the invention is based on a wavelength of 2.14 mm.
  • ⁇ 0 denotes the free space wavelength
  • x the radial distance to the center of the conductor
  • ⁇ r the permittivity
  • a first discontinuity of ⁇ r at x / ⁇ is 0 ⁇ 0.5 recognizable. This discontinuity occurs at the transition between the first dielectric 12 and the second dielectric 14. It turns out that the diameter of the first dielectric, that is the core, corresponds approximately to the wavelength of the signal.
  • the ratio of the diameter of the first dielectric 10 to free space wavelength for frequencies in the gigahertz range for dielectric waveguides is typically between 0.25 and 1.0, in particular between 0.35 and 0.75, more particularly approximately 0.5. Because of this low ratio, a fundamental mode in the first dielectric is strongly guided.
  • ⁇ r Another discontinuity of ⁇ r can be seen at x / ⁇ 0 ⁇ 1.25. This discontinuity occurs at the transition between the second dielectric 14 and the third dielectric 16.
  • the dielectric permittivity profile 11 for a dielectric waveguide 10 terminates at x / ⁇ 0 ⁇ 1.4 at the outer edge of the dielectric waveguide.
  • the permittivity of air is shown below. After it is not excluded that a wave to be transmitted partially propagates outside the cable, the permittivity is indicated by 1.
  • the overall diameter of the dielectric waveguide is approximately three times a free space wavelength of a signal to be transmitted.
  • the permittivity profiles of the monomode fiber conductor 17, the multimode fiber conductor 18 and the POF conductor 19 are only partially illustrated as shown in FIG. 11 is indicated.
  • the named conductors are not yet completed at x / ⁇ 0 ⁇ 1350 and further jumps follow through further material transitions.
  • FIG. 12 shows a comparison between the permittivity profiles 11, 37 of a boreless dielectric waveguide cable 10 according to the invention and a dielectric waveguide cable 30 according to the invention with a bore 31.
  • the permittivity profile 37 has a first discontinuity of ⁇ r at x / ⁇ 0 ⁇ 0.1. At this point, the transition from the bore to the first dielectric 32. In the air-filled bore, the permittivity is approximately 1. A further discontinuity of ⁇ r can be seen at x / ⁇ 0 ⁇ 0.6. This discontinuity occurs at the transition between the first dielectric 32 and the second dielectric 34. A another discontinuity of ⁇ r can be seen at x / ⁇ 0 ⁇ 1.27. This discontinuity occurs at the transition between the second dielectric 34 and the third dielectric 36. At a last jump, the permittivity drops to 1. This is the location of the cable termination.

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  • Waveguides (AREA)
EP16193115.9A 2016-10-10 2016-10-10 Câble de guide d'ondes diélectrique Withdrawn EP3306740A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16193115.9A EP3306740A1 (fr) 2016-10-10 2016-10-10 Câble de guide d'ondes diélectrique
PCT/EP2017/068148 WO2018068914A1 (fr) 2016-10-10 2017-07-18 Câble guide d'ondes diélectrique
KR1020197004585A KR20190065239A (ko) 2016-10-10 2017-07-18 유전체 도파관 케이블
CN201780046147.6A CN109565100A (zh) 2016-10-10 2017-07-18 电介质波导电缆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16193115.9A EP3306740A1 (fr) 2016-10-10 2016-10-10 Câble de guide d'ondes diélectrique

Publications (1)

Publication Number Publication Date
EP3306740A1 true EP3306740A1 (fr) 2018-04-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16193115.9A Withdrawn EP3306740A1 (fr) 2016-10-10 2016-10-10 Câble de guide d'ondes diélectrique

Country Status (4)

Country Link
EP (1) EP3306740A1 (fr)
KR (1) KR20190065239A (fr)
CN (1) CN109565100A (fr)
WO (1) WO2018068914A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020126717A1 (fr) 2018-12-21 2020-06-25 Huber+Suhner Ag Câble de guide d'ondes diélectrique
WO2020168504A1 (fr) * 2019-02-21 2020-08-27 华为技术有限公司 Ligne de transmission et câble de communication
WO2021099300A1 (fr) 2019-11-21 2021-05-27 Huber+Suhner Ag Ensemble haute fréquence
DE102022212905A1 (de) 2022-11-30 2024-06-06 Siemens Healthineers Ag Dielektrischer Wellenleiter

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220120697A (ko) * 2020-02-20 2022-08-30 다이킨 고교 가부시키가이샤 유전체 도파 선로
US20230352921A1 (en) * 2022-04-29 2023-11-02 Electrical Components International , Inc. System and method for improved mechanical and electrical connection of high voltage wiring harness

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1190178A (fr) * 1958-01-16 1959-10-09 Comp Generale Electricite Ligne pour la transmission des ondes eh10
JPS51138369A (en) * 1975-05-26 1976-11-29 Dainichi Nippon Cables Ltd Mode exciter device for dielectric waveguide system
GB1473655A (en) * 1974-11-15 1977-05-18 Post Office Dielectric waveguides
US4441091A (en) * 1979-07-18 1984-04-03 Hitachi Cable Ltd. Low loss leakage transmission line
US4463329A (en) * 1978-08-15 1984-07-31 Hirosuke Suzuki Dielectric waveguide
CA2449596A1 (fr) * 2003-12-05 2005-06-05 Stanislaw Bleszynski Systeme de cablage dielectrique pour micro-ondes millimetriques
US20120199235A1 (en) * 2011-02-03 2012-08-09 Patrick Rybski Dielectric structure that withstands compression
US20140368301A1 (en) 2013-06-12 2014-12-18 Texas Instruments Incorporated Dielectric Waveguide with Conductive Coating
WO2016089492A1 (fr) * 2014-12-04 2016-06-09 At&T Intellectual Property I, Lp Support de transmission et interfaces de communication et leurs procédés d'utilisation

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1190178A (fr) * 1958-01-16 1959-10-09 Comp Generale Electricite Ligne pour la transmission des ondes eh10
GB1473655A (en) * 1974-11-15 1977-05-18 Post Office Dielectric waveguides
JPS51138369A (en) * 1975-05-26 1976-11-29 Dainichi Nippon Cables Ltd Mode exciter device for dielectric waveguide system
US4463329A (en) * 1978-08-15 1984-07-31 Hirosuke Suzuki Dielectric waveguide
US4441091A (en) * 1979-07-18 1984-04-03 Hitachi Cable Ltd. Low loss leakage transmission line
CA2449596A1 (fr) * 2003-12-05 2005-06-05 Stanislaw Bleszynski Systeme de cablage dielectrique pour micro-ondes millimetriques
US20120199235A1 (en) * 2011-02-03 2012-08-09 Patrick Rybski Dielectric structure that withstands compression
US20140368301A1 (en) 2013-06-12 2014-12-18 Texas Instruments Incorporated Dielectric Waveguide with Conductive Coating
WO2016089492A1 (fr) * 2014-12-04 2016-06-09 At&T Intellectual Property I, Lp Support de transmission et interfaces de communication et leurs procédés d'utilisation

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020126717A1 (fr) 2018-12-21 2020-06-25 Huber+Suhner Ag Câble de guide d'ondes diélectrique
CN113316866A (zh) * 2018-12-21 2021-08-27 胡贝尔舒纳公司 介电波导电缆
US11901602B2 (en) 2018-12-21 2024-02-13 Huber+Suhner Ag Dielectric waveguide cable having a tubular core with an inner surface coated by a high permittivity dielectric
CN113316866B (zh) * 2018-12-21 2024-07-23 胡贝尔舒纳公司 介电波导电缆
WO2020168504A1 (fr) * 2019-02-21 2020-08-27 华为技术有限公司 Ligne de transmission et câble de communication
WO2021099300A1 (fr) 2019-11-21 2021-05-27 Huber+Suhner Ag Ensemble haute fréquence
DE102022212905A1 (de) 2022-11-30 2024-06-06 Siemens Healthineers Ag Dielektrischer Wellenleiter

Also Published As

Publication number Publication date
KR20190065239A (ko) 2019-06-11
CN109565100A (zh) 2019-04-02
WO2018068914A1 (fr) 2018-04-19

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