EP0643871B1 - Hf cable - Google Patents
Hf cable Download PDFInfo
- Publication number
- EP0643871B1 EP0643871B1 EP94908952A EP94908952A EP0643871B1 EP 0643871 B1 EP0643871 B1 EP 0643871B1 EP 94908952 A EP94908952 A EP 94908952A EP 94908952 A EP94908952 A EP 94908952A EP 0643871 B1 EP0643871 B1 EP 0643871B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- foil
- cable
- screen wires
- copper
- electrically conductive
- 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.)
- Expired - Lifetime
Links
- 239000011888 foil Substances 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 229910000881 Cu alloy Inorganic materials 0.000 claims 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 239000004411 aluminium Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000012216 screening Methods 0.000 abstract 3
- 239000005030 aluminium foil Substances 0.000 abstract 1
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 238000009954 braiding Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminum chloride Substances Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- 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
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/105—Screens specially adapted for reducing interference from external sources composed of a longitudinally posed wire-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
- H01B11/02—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
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1016—Screens specially adapted for reducing interference from external sources composed of a longitudinal lapped tape-conductor
Definitions
- the invention relates to a high-frequency cable according to the Preamble of claim 1.
- a high frequency or RF cable of this type is e.g. a so-called antenna line for the transmission of corresponding Radio and television signals.
- this line from an inner conductor, an insulation, an outer conductor and a jacket.
- the outer conductor which is also called an umbrella works to put together from several layers. From the It is known to practice on a longitudinal, to a closed Pipe shaped metal foil additionally a braid to be applied from individual shield wires. Doing so the shield wires at a regular distance from each other over the Extend the scope of insulation. The wires run on parallel to each other, in two groups that cross each other, and helical around the insulation or the inner conductor. Similar run single braidings or double braidings, so-called false braids.
- shields or outer conductors are conditional through its relatively slow manufacturing process, such as braiding or spiders, expensive to manufacture. Also are so-called optimized braids required to get a good one Shielding effect over a certain, relatively narrow frequency range to achieve.
- the invention is based on the endeavor to use a high-frequency cable to be trained so that it can be produced quickly and easily is.
- the shielding effect is said to be about be effective over a wide frequency range.
- the invention solves this problem, starting from one Cable according to the preamble of claim 1, by the features in the characterizing part of claim 1.
- Advantageous further developments are characterized in claims 2 to 3.
- the Invention is basically in all electrical and optoelectric Cables and wires applicable when on a good shielding effect arrives over a wide frequency range.
- the new HF cable achieves a surprisingly good shielding effect: Remains in a particularly wide frequency range the shielding effect is practically constantly good. Broadband Faults are therefore better shielded. For example, Effects from the ignition system of an internal combustion engine avoided. Interference emissions through signal transmissions minimized (EMC), which e.g. with a radio telephone in one Motor vehicle is particularly cheap. Furthermore, it is further process new arrangement very well, in particular to contact electrically. In particular, when stripping the film is removed and the longitudinal wires are intact available for contacting. The number, distribution and thickness of the individual wires are depending on the requirements in individual cases, also in relation to the film thickness, vote.
- the inner conductor 1 is a single wire made of copper with a Diameter of max. 0.26 mm.
- E-CU F21-V1 is selected according to DIN 40500 T5.
- the insulation 2 is made of cellular polyethylene with a wall thickness of 1.25 mm (nominal value) and an outer diameter of 2.9 +/- 0.1 mm.
- the outer conductor (shield) consists of axially parallel to the Inner conductor 1 running shield wires 3, about 18 on the Number. Material and single wire diameter correspond to that Inner conductor 1.
- the outer conductor (screen) also includes a conductive parallel to the inner conductor 1 Foil 4.
- Foil 4 consists of an aluminum and PVC layer and is 15 mm wide and 0.05 mm thick.
- the aluminum layer is facing the shield wires 3 and forms a closed Pipe.
- a jacket 5 is extruded onto the film 4.
- Polyvinyl chloride (PVC) is selected as the material.
- the Wall thickness is 0.5 mm (nominal value), the outside diameter 5.0 +/- 0.2 mm.
- the jacket is 5 due to the heat of extrusion firmly connected to the PVC layer of film 4.
- the one described Line serves as an electrical vehicle line, namely as antenna cable for a car radio. It has a temperature resistance (3000 h) from -25 ° C to + 90 ° C. she is easy to connect to the antenna and a connector and has the following electrical characteristics: Capacity: 32 +/- 2 pF / m. Attenuation: greater than 60 dB. Through loss (100MHz): less than 15 dB / 100m.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
Description
Die Erfindung betrifft ein Hochfrequenzkabel nach der
Präambel des Anspruchs 1.The invention relates to a high-frequency cable according to the
Preamble of
Ein Hochfrequenz- oder HF-Kabel dieser Art ist z.B. eine sogenannte Antennenleitung zur Übertragung von entsprechenden Rundfunk- und Fernsehsignalen. In ihrer einfachsten Form besteht diese Leitung aus einem Innenleiter, einer Isolierung, einem Außenleiter und einem Mantel.A high frequency or RF cable of this type is e.g. a so-called antenna line for the transmission of corresponding Radio and television signals. In its simplest form this line from an inner conductor, an insulation, an outer conductor and a jacket.
Es ist bekannt, den Außenleiter, der auch als Schirm wirkt, aus mehreren Schichten zusammenzusetzen. Aus der Praxis ist es bekannt, auf eine längslaufende, zu einem geschlossenen Rohr geformte Metallfolie zusätzlich ein Geflecht aus einzelnen Schirmdrähten aufzubringen. Dabei sollen sich die Schirmdrähte in regelmäßigem Abstand zueinander über den Umfang der Isolierung erstrecken. Die Drähte verlaufen an sich parallel zueinander, in zwei Scharen, die sich kreuzen, und wendelförmig um die Isolierung bzw. den Innenleiter. Ähnlich verlaufen einfache Umspinnungen oder doppelte Umspinnungen, sogenannte Scheingeflechte.It is known the outer conductor, which is also called an umbrella works to put together from several layers. From the It is known to practice on a longitudinal, to a closed Pipe shaped metal foil additionally a braid to be applied from individual shield wires. Doing so the shield wires at a regular distance from each other over the Extend the scope of insulation. The wires run on parallel to each other, in two groups that cross each other, and helical around the insulation or the inner conductor. Similar run single braidings or double braidings, so-called false braids.
Derartige Schirme bzw. Außenleiter sind jedoch, bedingt durch ihr relativ langsames Herstellungsverfahren, wie Flechten oder Spinnen, teuer in der Herstellung. Auch sind sogenannte optimierte Geflechte erforderlich, um eine gute Schirmwirkung über einen bestimmten, relativ engen Frequenzbereich zu erzielen.However, such shields or outer conductors are conditional through its relatively slow manufacturing process, such as braiding or spiders, expensive to manufacture. Also are so-called optimized braids required to get a good one Shielding effect over a certain, relatively narrow frequency range to achieve.
Zur Abschirmung von Audiosignalen längslaufende Schirmdrähte zu verwenden, ist an sich bekannt durch die EP-A-0 169 906, Fig.1. Zur Abschirmung von bioelektrischen Signalen ist die Anordnung von schraubenförmig gewickelten (gewendelten) Schirmdrähten als Kontaktleiter oberhalb eines Abschirmmantels aus elektrisch leitendem Kunststoff bekannt, vergleiche DE-A-26 54 846, Fig.la. Derartige Anordnungen können jedoch die angestrebten Wirkungen nicht erzielen.For shielding audio signals, longitudinal shield wires to use is known per se from EP-A-0 169 906, Fig. 1. For shielding bioelectric signals is the arrangement of helically wound (coiled) shield wires as a contact conductor above a Shielding jacket made of electrically conductive plastic, see DE-A-26 54 846, Fig.la. Such arrangements can however, do not achieve the desired effects.
Aus den Unterlagen des DE-U-19 48 361 ist ein elektrisches Kabel bekannt, bei dem die Abschirmung aus einer Vielzahl paralleler, mit reversierendem Schlag aufgebrachter leitender Schirmdrähte und einer Folie besteht, die an ihrer der Drahtlage zugewandten Seite mit einem Metall versehen ist. Die Herstellung dieses relativ steifen Kabels ist sehr aufwendig, und das Kabel ist nicht als HF-Kabel vorgesehen.From the documents of DE-U-19 48 361 is an electrical Cable known in which the shielding from a A large number of parallel ones, applied with a reversing stroke conductive shield wires and a film that is attached to their Provide the side facing the wire layer with a metal is. The manufacture of this relatively stiff cable is very complex, and the cable is not intended as an RF cable.
Aus der US-A-3,896,261 ist ein Koaxialkabel mit einem Außenleiter bekannt, der eine längslaufende elektrisch leitende Folie aufweist, welche eine Isolation eines zentralen Drahtes und einen gewellten Draht umschließt, der schlagfrei über die Länge des Kabels verläuft. Die Wellung des Drahtes dient seiner Fixierung innerhalb des Kabels und einer Erleichterung eines Anschlusses.From US-A-3,896,261 is a coaxial cable with a Outer conductor is known which is a longitudinal electrically conductive Has a film that isolates a central Wire and a corrugated wire, which is shock-free runs the length of the cable. The curl of the wire serves to fix it within the cable and to facilitate it a connection.
Der Erfindung liegt das Bestreben zugrunde, ein Hochfrequenzkabel so auszubilden, daß es schnell und einfach herstellbar ist. Darüber hinaus soll die Schirmwirkung über einen breiten Frequenzbereich wirksam sein.The invention is based on the endeavor to use a high-frequency cable to be trained so that it can be produced quickly and easily is. In addition, the shielding effect is said to be about be effective over a wide frequency range.
Die Erfindung löst diese Aufgabe, ausgehend von einem
Kabel nach der Präambel des Anspruchs 1, durch die Merkmale
im kennzeichnenden Teil des Anspruchs 1. Vorteilhafte Weiterbildungen
sind in den Ansprüchen 2 bis 3 gekennzeichnet. Die
Erfindung ist grundsätzlich bei allen elektrischen und optoelektrischen
Kabeln und Leitungen anwendbar, wenn es auf eine
gute Schirmwirkung über einen breiten Frequenzbereich ankommt.The invention solves this problem, starting from one
Cable according to the preamble of
Das neue HF-Kabel erzielt eine überraschend gute Schirmwirkung: In einem besonders breiten Frequenzbereich bleibt die Schirmwirkung praktisch konstant gut. Breitbandige Störungen werden somit besser abgeschirmt. So werden z.B. Einwirkungen durch die Zündanlage einer Brennkraftmaschine vermieden. Störaussendungen durch Signalübertragungen werden minimiert (EMV), was z.B. bei einem Funktelefon in einem Kraftfahrzeug besonders günstig ist. Des weiteren ist die neue Anordnung sehr gut weiterzuverarbeiten, insbesondere elektrisch zu kontaktieren. Insbesondere kann beim Abmanteln die Folie mitentfernt werden, und die Längsdrähte stehen unversehrt zur Kontaktierung zur Verfügung. Die Anzahl, Verteilung und Dicke der Einzeldrähte sind je nach den Anforderungen im Einzelfall, auch in Bezug auf die Foliendicke, abzustimmen.The new HF cable achieves a surprisingly good shielding effect: Remains in a particularly wide frequency range the shielding effect is practically constantly good. Broadband Faults are therefore better shielded. For example, Effects from the ignition system of an internal combustion engine avoided. Interference emissions through signal transmissions minimized (EMC), which e.g. with a radio telephone in one Motor vehicle is particularly cheap. Furthermore, it is further process new arrangement very well, in particular to contact electrically. In particular, when stripping the film is removed and the longitudinal wires are intact available for contacting. The number, distribution and thickness of the individual wires are depending on the requirements in individual cases, also in relation to the film thickness, vote.
In der einzigen Fig. der Zeichnung ist ein Ausführungsbeispiel der Erfindung dargestellt, das im nachfolgenden näher beschrieben wird.In the single Fig. Of the drawing is an embodiment of the invention shown below is described in more detail.
Der Innenleiter 1 ist als Einzeldraht aus Kupfer mit einem
Durchmesser von max. 0,26 mm ausgebildet. Als Werkstoff
ist E-CU F21-V1 nach DIN 40500 T5 gewählt. Die Isolierung 2
besteht aus verzelltem Polyethylen, mit einer Wanddicke von
1,25 mm (Nennwert) und einem Außendurchmesser von 2,9 +/-
0,1 mm. Der Außenleiter (Schirm) besteht aus achsparallel zum
Innenleiter 1 verlaufenden Schirmdrähten 3, ca. 18 an der
Zahl. Werkstoff und Einzeldrahtdurchmesser entsprechen dem
Innenleiter 1. Der Außenleiter (Schirm) umfaßt des weiteren
eine achsparallel zum Innenleiter 1 verlaufende leitende
Folie 4. Die Folie 4 besteht aus einer Aluminium- und PVC-Schicht
und ist 15 mm breit und 0,05 mm dick. Die Aluminiumschicht
ist den Schirmdrähten 3 zugewandt und bildet ein geschlossenes
Rohr. Auf die Folie 4 ist ein Mantel 5 aufextrudiert.
Als Werkstoff ist Polyvinylchlorid (PVC) gewählt. Die
Wanddicke beträgt 0,5 mm (Nennwert), der Außendurchmesser
5,0 +/- 0,2 mm. Durch die Extrusionswärme ist der Mantel 5
fest mit der PVC-Schicht der Folie 4 verbunden. Die beschriebene
Leitung dient als elektrische Fahrzeugleitung, und zwar
als Antennenleitung für ein Autoradio. Sie weist ein Temperaturbeständigkeit
(3000 h) von -25° C bis + 90° C auf. Sie ist
gut mit der Antenne und mit einem Anschlußstecker verbindbar
und weist folgende elektrische Kennwerte auf: Kapazität:
32 +/- 2 pF/m. Schirmdämpfung: größer als 60 dB. Durchgangsdämpfung
(100MHz): kleiner als 15 dB/100m.The
Claims (3)
- High frequency cable or lead, especially coaxial cable, comprising a high frequency screen and an outer conductor of a lengthwise extending, electrically conductive foil (4) and of a series of electrically conductive screen wires connected in electrically conductive manner to the foil, extending parallel to one another, and arranged around the periphery of the foil (4) which is formed into a tube,
characterised in thatthe screen wires (3) extending parallel to one another run substantially parallel to the axis, with the deviation from the axis being no more than 5°,the screen wires (3) are distributed with at least approximately equidistant spacing around the periphery of the foil (4),the screen wires (3) are arranged within the foil (4),the optical covering due to the screen wires (3) is 10 to 80%, preferably 20 to 40%,the foil (4) is a metallised plastics foil,the plastics layer of the foil (4) is arranged on the outside, over which is extruded a sleeve (5) of the same or similar plastics material and the foil (4) is connected intimately to the sleeve (5) by extrusion heat. - Cable according to claim 1, characterised in that the metal is aluminium, an aluminium alloy, copper or a copper alloy.
- Cable according to one of claims 1 or 2, characterised in that the screen wires (3) are of copper, a copper alloy or silvered copper.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4310662 | 1993-04-01 | ||
DE4310662A DE4310662C2 (en) | 1993-04-01 | 1993-04-01 | Radio frequency cable |
PCT/DE1994/000242 WO1994023434A1 (en) | 1993-04-01 | 1994-03-09 | Hf cable |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0643871A1 EP0643871A1 (en) | 1995-03-22 |
EP0643871B1 true EP0643871B1 (en) | 1998-05-20 |
Family
ID=6484442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94908952A Expired - Lifetime EP0643871B1 (en) | 1993-04-01 | 1994-03-09 | Hf cable |
Country Status (5)
Country | Link |
---|---|
US (1) | US5739471A (en) |
EP (1) | EP0643871B1 (en) |
DE (2) | DE4310662C2 (en) |
ES (1) | ES2115939T3 (en) |
WO (1) | WO1994023434A1 (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19731792A1 (en) * | 1997-07-24 | 1999-01-28 | Alsthom Cge Alcatel | Cable with outer conductor made of several elements |
DE19914924A1 (en) * | 1999-04-01 | 2000-10-05 | Alcatel Sa | Flexible electrical power line |
JP4000729B2 (en) * | 1999-12-15 | 2007-10-31 | 日立電線株式会社 | Coaxial cable and manufacturing method thereof |
NO319061B1 (en) * | 2003-05-15 | 2005-06-13 | Nexans | Lead-free electrical cable with high specific weight |
US7255602B1 (en) | 2006-11-02 | 2007-08-14 | Hamilton Sundstrand Corporation | Shielding for electrical cable assemblies |
FR2916081B1 (en) | 2007-05-07 | 2009-09-25 | Fed Mogul Systems Prot Group S | ELECTROMAGNETIC PROTECTIVE SHEATH IN TEXTILE. |
JP4832384B2 (en) * | 2007-08-29 | 2011-12-07 | 矢崎総業株式会社 | Antenna connection structure and antenna connection method |
JP5351642B2 (en) * | 2009-02-27 | 2013-11-27 | 日立電線株式会社 | cable |
DE102009011479A1 (en) * | 2009-03-06 | 2010-09-09 | Olympus Winter & Ibe Gmbh | Surgical instrument |
CA2827334C (en) * | 2011-03-04 | 2016-02-09 | Junkosha Inc. | Transmission cable |
JP2013236416A (en) * | 2012-05-02 | 2013-11-21 | Yazaki Corp | Coaxial cable with terminal and manufacturing method therefor |
WO2016002812A1 (en) * | 2014-06-30 | 2016-01-07 | 矢崎総業株式会社 | Multiple-circuit cable |
US9691514B2 (en) * | 2015-01-22 | 2017-06-27 | Delphi Technologies, Inc. | Electrical assembly having a fibrous conductive interface between a conductive composite component and a metallic component |
JP7140074B2 (en) * | 2019-08-27 | 2022-09-21 | 日立金属株式会社 | coaxial cable |
WO2021200247A1 (en) * | 2020-04-03 | 2021-10-07 | 東京特殊電線株式会社 | Coaxial cable |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991014269A1 (en) * | 1990-03-08 | 1991-09-19 | W.L. Gore & Associates, Inc. | Conductively-jacketed electrical cable |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE246399C (en) * | ||||
DE1737860U (en) * | 1956-10-27 | 1957-01-17 | Max Grundig | ELECTRIC WIRING WIRE WITH SOLDERABLE SHIELD, IN PARTICULAR FOR SOUND AND HIGH FREQUENCY. |
GB1089375A (en) * | 1963-11-22 | 1967-11-01 | Dow Chemical Co | Electric cables and method for their production |
US3643007A (en) * | 1969-04-02 | 1972-02-15 | Superior Continental Corp | Coaxial cable |
DE1951548A1 (en) * | 1969-10-13 | 1971-04-22 | Winkler Duennebier Kg Masch | Device on machines for the production of envelopes or the like. for folding the flap of the same |
US3896261A (en) * | 1974-04-15 | 1975-07-22 | Belden Corp | Coaxial cable with an undulated drain wire |
DE7620144U1 (en) * | 1976-06-24 | 1976-10-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Plastic-insulated power cable with concentric screen |
DE2654846A1 (en) * | 1976-12-03 | 1978-06-08 | Hellige Gmbh | Single-or multiconductor, screened electric lead - has screening layer with closely fitting contact conductor, PVC or polyurethane layers and may include polyethylene |
GB2049262B (en) * | 1979-05-14 | 1983-04-27 | Ward Goldstone Ltd | Coaxial cable and method of using it |
JPS60143511A (en) * | 1983-12-29 | 1985-07-29 | スタツクス工業株式会社 | Shielding device for audio signal circuit |
JPH071643B2 (en) * | 1987-07-21 | 1995-01-11 | 住友電気工業株式会社 | coaxial cable |
JPH01232611A (en) * | 1988-03-14 | 1989-09-18 | Sumitomo Electric Ind Ltd | Coaxial core and multi-core cable using it |
US4960965A (en) * | 1988-11-18 | 1990-10-02 | Redmon Daniel W | Coaxial cable with composite outer conductor |
DE9109958U1 (en) * | 1991-08-12 | 1991-10-10 | Vachakabel GmbH, O-6220 Vacha | Coaxial electrical high frequency cable |
US5304739A (en) * | 1991-12-19 | 1994-04-19 | Klug Reja B | High energy coaxial cable for use in pulsed high energy systems |
-
1993
- 1993-04-01 DE DE4310662A patent/DE4310662C2/en not_active Revoked
-
1994
- 1994-03-09 US US08/347,461 patent/US5739471A/en not_active Expired - Lifetime
- 1994-03-09 EP EP94908952A patent/EP0643871B1/en not_active Expired - Lifetime
- 1994-03-09 WO PCT/DE1994/000242 patent/WO1994023434A1/en active IP Right Grant
- 1994-03-09 DE DE59405999T patent/DE59405999D1/en not_active Expired - Lifetime
- 1994-03-09 ES ES94908952T patent/ES2115939T3/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991014269A1 (en) * | 1990-03-08 | 1991-09-19 | W.L. Gore & Associates, Inc. | Conductively-jacketed electrical cable |
Also Published As
Publication number | Publication date |
---|---|
ES2115939T3 (en) | 1998-07-01 |
DE59405999D1 (en) | 1998-06-25 |
US5739471A (en) | 1998-04-14 |
EP0643871A1 (en) | 1995-03-22 |
DE4310662A1 (en) | 1994-10-06 |
DE4310662C2 (en) | 1995-04-06 |
WO1994023434A1 (en) | 1994-10-13 |
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