EP1763041A1 - Coaxial surge arrester - Google Patents

Coaxial surge arrester Download PDF

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Publication number
EP1763041A1
EP1763041A1 EP06022415A EP06022415A EP1763041A1 EP 1763041 A1 EP1763041 A1 EP 1763041A1 EP 06022415 A EP06022415 A EP 06022415A EP 06022415 A EP06022415 A EP 06022415A EP 1763041 A1 EP1763041 A1 EP 1763041A1
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EP
European Patent Office
Prior art keywords
outer conductor
surge arrester
wire
conductor
inner conductor
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EP06022415A
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German (de)
French (fr)
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EP1763041B1 (en
Inventor
Josef Landinger
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Spinner GmbH
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Spinner GmbH
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/201—Filters for transverse electromagnetic waves
    • H01P1/202—Coaxial filters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors

Definitions

  • the invention relates to a coaxial surge arrester consisting of a coaxial line section from which a ⁇ / 4 short-circuit line branches off radially.
  • Surge arresters of this type are known. At the center frequency of the useful frequency band, the ⁇ / 4 line transforms the short circuit at its end into an open circuit at its beginning.
  • Such surge arresters have the advantage of producing no intermodulation signals and the disadvantage that due to the galvanic connection between the inner conductor and the outer conductor of the surge arrester through the ⁇ / 4 short-circuit line no DC supply voltage via the coaxial line, in the train of the surge arrester, are transmitted can.
  • a coaxial surge arrester in which the end of the inner conductor of a short-circuit line is contacted with its outer conductor via a concentrated capacitance, which is dimensioned so that the inner conductor and the outer conductor of the short-circuit line in the Nutzfrequenzband act as a transforming ⁇ / 4 short-circuit line.
  • Parallel to the capacitance a gas discharge pill is arranged, which ignites at a certain overvoltage value. Because thus in normal operation, the outer conductor and the inner conductor of the Koaxial effets are electrically isolated from each other, DC voltages or low-frequency AC voltages can be transmitted via a coaxial line containing this surge arrester.
  • the gas discharge pill is located in the RF field at the end of the Short-circuit line, with the result that the discharge path is pre-ionized at least when transmitting high RF power. This can lead to the formation of intermodulation products and an undesirable lowering of the ignition voltage value. Furthermore, the contacting of the inner conductor of the short-circuit line with its outer conductor via a capacitor limits the use of frequency ranges above about 1 GHz because due to the very limited space with respect to the characteristic impedance to be maintained, a capacity sufficient for lower frequencies can not be realized.
  • a surge arrester of the type specified in the introduction is known in a slim design.
  • the inner conductor of the ⁇ / 4 short-circuit line is arranged in a chamber formed in the outer conductor of the coaxial line section and is galvanically contacted at its end with this outer conductor.
  • the invention has for its object to provide a surge arrester of the type mentioned by way of a high RF power can be transmitted to frequency bands below 1 GHz.
  • the solution to this problem consists in a design principle according to the DE 199 36 869 C1 following Surge arrester in that the contact between the end of the inner conductor of the ⁇ / 4 short-circuit line and the outer conductor of the Koaxial effetsabitess consists of a ribbon cable.
  • the stripline acts like a tube capacitor whose capacitance can be brought to a value that is also sufficient for frequencies below 1 GHz, for example, by increasing the outside diameter and / or by lengthening the external conductor.
  • the stripline may in particular consist of a coaxial outer conductor of the Koaxial Arthursabitess, dielectric ring and a latter enclosing metal ring, with which the end of the inner conductor of the short-circuit line is electrically connected (claim 2).
  • the one metal electrode of a gas discharge pill is contacted with the metal ring, whose other electrode is contacted with the outer conductor of the Koaxial effetsabitess (claim 3). Also in this embodiment, the gas discharge pill is in field-free space.
  • the gas discharge pill is inserted and spring-loaded into a bore in the outer conductor of the coaxial line section at the level of the metal ring and the bore is enclosed by means of a screw cap, the gas discharge pill can be exchanged particularly easily (claim 4).
  • an embodiment of a surge arrester according to the invention is shown schematically simplified longitudinal section, namely an embodiment with capacitive contacting of the inner conductor of the short-circuit line with the outer conductor of the Koaxial effetsabitess in longitudinal and in cross-section.
  • the surge arrester consists of a Koaxia Hartsabrough with double-sided connectors, eg for insertion into the coaxial feed line of an antenna.
  • the coaxial line section comprises an inner conductor 21, which is surrounded on a part of its length by a dielectric 25 and is seated in an outer conductor 26.
  • a chamber 26.1 is formed in the outer conductor 26 in the outer conductor 26, a chamber 26.1 is formed.
  • the chamber walls form the outer conductor of a ⁇ / 4 short-circuit line whose Inner conductor 30 angled at its beginning by 90 °, isolated passed through the outer conductor wall 26.2 and is electrically connected to the inner conductor 21 of the Koaxial effetsabitess.
  • the end of the inner conductor 30 of the ⁇ / 4 short-circuit line is galvanically connected to a metallic ring 32, which coaxially surrounds a section 26.3 of the outer conductor 26 of the coaxial line section, but is separated therefrom by a dielectric annular sleeve 22 arranged therebetween.
  • the outer conductor section 26.3, the dielectric annular sleeve 22 and the ring 32 together form a ribbon cable which acts like a tube condenser in the useful frequency range.
  • the outer conductor 26 has in its outer jacket 26.4, in this example diametrically opposite the end of the inner conductor 30 of the ⁇ / 4 short-circuit line, a radial bore in which a gas discharge pill 4 is seated, whose one electrode is galvanically concatenated with the ring 32.
  • the other electrode of the gas discharge pill 4 is contacted via a conical helical spring 4.1 with a screw cap 26.5 which closes the bore in the section 26.4 of the outer conductor 26 of the coaxial line section.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Finger-Pressure Massage (AREA)

Abstract

The arrester has a coaxial wire section, where an inner wire (30) of a lambda /4 short circuit wire radially branches from the inner wire (21) of the section, is guided via a wall of an outer wire of the section and is arranged with an axis in an outer wire. The axis is parallel to the axis of the inner wire (21). The short circuit wire is electrically contacted with the outer wire of the section at the short wire end over dielectric ring and metallic ring (22, 32).

Description

Die Erfindung betrifft einen koaxialen Überspannungsableiter, bestehend aus einem Koaxialleitungsabschnitt, von dem eine λ/4-Kurzschlussleitung radial abzweigt.The invention relates to a coaxial surge arrester consisting of a coaxial line section from which a λ / 4 short-circuit line branches off radially.

Überspannungsableiter dieser Gattung sind bekannt. Bei der Mittenfrequenz des Nutzfrequenzbandes transformiert die λ/4-Leitung den Kurzschluss an ihrem Ende in einen Leerlauf an ihrem Anfang. Solche Überspannungsableiter haben den Vorteil, keine Intermodulationssignale zu erzeugen und den Nachteil, dass wegen der galvanischen Verbindung zwischen dem Innenleiter und dem Außenleiter des Überspannungsableiters durch die λ/4-Kurzschlussleitung keine Speisegleichspannung über die koaxiale Leitung, in deren Zug der Überspannungsableiter liegt, übertragen werden kann.Surge arresters of this type are known. At the center frequency of the useful frequency band, the λ / 4 line transforms the short circuit at its end into an open circuit at its beginning. Such surge arresters have the advantage of producing no intermodulation signals and the disadvantage that due to the galvanic connection between the inner conductor and the outer conductor of the surge arrester through the λ / 4 short-circuit line no DC supply voltage via the coaxial line, in the train of the surge arrester, are transmitted can.

Aus der EP 0 938 166 B1 ist ein koaxialer Überspannungsableiter bekannt, bei dem das Ende des Innenleiters einer Kurzschlussleitung mit deren Außenleiter über eine konzentrierte Kapazität kontaktiert ist, die so bemessen ist, dass der Innenleiter und der Außenleiter der Kurzschlussleitung in dem Nutzfrequenzband als transformierende λ/4-Kurzschlussleitung wirken. Parallel zu der Kapazität ist eine Gasentladungspille angeordnet, die bei einem bestimmten Überspannungswert zündet. Weil somit im normalen Betrieb der Außenleiter und der Innenleiter des Koaxialleitungsabschnitts galvanisch voneinander getrennt sind, können über eine diesen Überspannungsableiter enthaltende Koaxialleitung zusätzlich Gleichspannungen oder niederfrequente Wechselspannungen übertragen werden. Die Gasentladungspille befindet sich jedoch im HF-Feld am Ende der Kurzschlussleitung, mit der Folge, dass die Entladungsstrecke zumindest bei Übertragung hoher HF-Leistungen vorionisiert wird. Dadurch kann es zur Entstehung von Intermodulationsprodukten sowie einer unerwünschten Absenkung des Zündspannungswertes kommen. Des weiteren beschränkt die Kontaktierung des Innenleiters der Kurzschlussleitung mit ihrem Außenleiter über einen Kondensator den Einsatz auf Frequenzbereiche oberhalb von etwa 1 GHz weil sich wegen des mit Rücksicht auf den einzuhaltenden Wellenwiderstand sehr beschränkten Raums eine für niedrigere Frequenzen ausreichende Kapazität nicht realisieren lässt.From the EP 0 938 166 B1 a coaxial surge arrester is known, in which the end of the inner conductor of a short-circuit line is contacted with its outer conductor via a concentrated capacitance, which is dimensioned so that the inner conductor and the outer conductor of the short-circuit line in the Nutzfrequenzband act as a transforming λ / 4 short-circuit line. Parallel to the capacitance a gas discharge pill is arranged, which ignites at a certain overvoltage value. Because thus in normal operation, the outer conductor and the inner conductor of the Koaxialleitungsabschnitts are electrically isolated from each other, DC voltages or low-frequency AC voltages can be transmitted via a coaxial line containing this surge arrester. The gas discharge pill, however, is located in the RF field at the end of the Short-circuit line, with the result that the discharge path is pre-ionized at least when transmitting high RF power. This can lead to the formation of intermodulation products and an undesirable lowering of the ignition voltage value. Furthermore, the contacting of the inner conductor of the short-circuit line with its outer conductor via a capacitor limits the use of frequency ranges above about 1 GHz because due to the very limited space with respect to the characteristic impedance to be maintained, a capacity sufficient for lower frequencies can not be realized.

Aus der DE 199 36 869 C1 ist ein Überspannungsableiter der einleitend angegebenen Gattung in einer schlanken Bauform bekannt. Der Innenleiter der λ/4-Kurzschlussleitung ist hierzu in einer im Außenleiter des Koaxialleitungsabschnitts ausgebildeten Kammer angeordnet und an seinem Ende mit diesem Außenleiter galvanisch kontaktiert.From the DE 199 36 869 C1 a surge arrester of the type specified in the introduction is known in a slim design. For this purpose, the inner conductor of the λ / 4 short-circuit line is arranged in a chamber formed in the outer conductor of the coaxial line section and is galvanically contacted at its end with this outer conductor.

Der Erfindung liegt die Aufgabe zugrunde, einen Überspannungsableiter der einleitend angegebenen Gattung zu schaffen, über den eine hohe HF-Leistung auch auf Frequenzbändern unterhalb von 1 GHz übertragen werden kann.The invention has for its object to provide a surge arrester of the type mentioned by way of a high RF power can be transmitted to frequency bands below 1 GHz.

Die Lösung dieser Aufgabe besteht bei einem dem Konstruktionsprinzip nach der DE 199 36 869 C1 folgenden Überspannungsableiter darin, dass die Kontaktierung zwischen dem Ende des Innenleiters der λ/4-Kurzschlussleitung und dem Außenleiter des Koaxialleitungsabschnitts aus einer Bandleitung besteht. Im Nutzfrequenzbereich wirkt die Bandleitung wie ein Rohrkondensator, dessen Kapazität sich z.B. durch Vergrößerung des Außendurchmessers und/oder durch Verlängerung des Außenleiters auf einen auch für Frequenzen unter 1 GHz ausreichenden Wert bringen lässt.The solution to this problem consists in a design principle according to the DE 199 36 869 C1 following Surge arrester in that the contact between the end of the inner conductor of the λ / 4 short-circuit line and the outer conductor of the Koaxialleitungsabschnitts consists of a ribbon cable. In the useful frequency range, the stripline acts like a tube capacitor whose capacitance can be brought to a value that is also sufficient for frequencies below 1 GHz, for example, by increasing the outside diameter and / or by lengthening the external conductor.

Die Bandleitung kann insbesondere aus einem den Außenleiter des Koaxialleitungsabschnitts koaxial umschließenden, dielektrischen Ring und einem letzteren umschliessenden Metallring bestehen, mit dem das Ende des Innenleiters der Kurzschlussleitung galvanisch verbunden ist (Anspruch 2).The stripline may in particular consist of a coaxial outer conductor of the Koaxialleitungsabschnitts, dielectric ring and a latter enclosing metal ring, with which the end of the inner conductor of the short-circuit line is electrically connected (claim 2).

Bei einer Weiterbildung dieser Ausführungsform ist mit dem Metallring die eine Elektrode einer Gasentladungspille kontaktiert, deren andere Elektrode mit dem Außenleiter des Koaxialleitungsabschnitts kontaktiert ist (Anspruch 3). Auch in dieser Ausführung befindet sich die Gasentladungspille im feldfreien Raum.In a further development of this embodiment, the one metal electrode of a gas discharge pill is contacted with the metal ring, whose other electrode is contacted with the outer conductor of the Koaxialleitungsabschnitts (claim 3). Also in this embodiment, the gas discharge pill is in field-free space.

Wenn die Gasentladungspille in eine Bohrung in dem Außenleiter des Koaxialleitungsabschnitts in Höhe des Metallrings eingesetzt und federbelastet und die Bohrung mittels einer Schraubkappe umschlossen ist, lässt sich die Gasentladungspille besonders einfach auswechseln (Anspruch 4).If the gas discharge pill is inserted and spring-loaded into a bore in the outer conductor of the coaxial line section at the level of the metal ring and the bore is enclosed by means of a screw cap, the gas discharge pill can be exchanged particularly easily (claim 4).

In der Zeichnung ist ein Ausführungsbeispiel eines Überspannungsableiters nach der Erfindung schematisch vereinfacht im Längsschnitt dargestellt, und zwar
ein Ausführungsbeispiel mit kapazitiver Kontaktierung des Innenleiters der Kurzschlussleitung mit dem Außenleiter des Koaxialleitungsabschnitts im Längs- und im Querschnitt.In the drawing, an embodiment of a surge arrester according to the invention is shown schematically simplified longitudinal section, namely
an embodiment with capacitive contacting of the inner conductor of the short-circuit line with the outer conductor of the Koaxialleitungsabschnitts in longitudinal and in cross-section.

Der Überspannungsableiter besteht aus einem Koaxialeitungsabschnitt mit beidseitigen Steckverbindungen, z.B. zum Einfügen in die koaxiale Speiseleitung einer Antenne. Der Koaxialleitungsabschnitt umfasst einen Innenleiter 21, der auf einem Teil seiner Länge von einem Dielektrikum 25 umgeben ist und in einem Aussenleiter 26 sitzt. In dem Aussenleiter 26 ist eine Kammer 26.1 ausgebildet. Die Kammerwände bilden den Aussenleiter einer λ/4-Kurzschlussleitung, deren Innenleiter 30 an seinem Anfang um 90° abgewinkelt, isoliert durch die Aussenleiterwand 26.2 hindurchgeführt und mit dem Innenleiter 21 des Koaxialleitungsabschnitts galvanisch verbunden ist. Das Ende des Innenleiters 30 der λ/4-Kurzschlussleitung ist galvanisch mit einem metallischen Ring 32 verbunden, der einen Abschnitt 26.3 des Aussenleiters 26 des Koaxialleitungsabschnittes koaxial umgibt, von diesem jedoch durch eine dazwischen angeordnete, dielektrische Ringhülse 22 getrennt ist. Der Aussenleiterabschnitt 26.3, die dielektrische Ringhülse 22 und der Ring 32 bilden zusammen eine Bandleitung, die im Nutzfrequenzbereich wie ein Rohrkondensator wirkt. Der Aussenleiter 26 hat in seinem äußeren Mantel 26.4, in diesem Beispiel diametral gegenüber dem Ende des Innenleiters 30 der λ/4-Kurzschlussleitung, eine radiale Bohrung, in der eine Gasentladungspille 4 sitzt, deren eine Elektrode mit dem Ring 32 galvanisch konkaktiert ist. Die andere Elektrode der Gasentladungspille 4 ist über eine Kegelschraubenfeder 4.1 mit einem Schraubdeckel 26.5 kontaktiert, der die Bohrung in dem Abschnitt 26.4 des Aussenleiters 26 des Koaxialleitungsabschnitts verschließt.The surge arrester consists of a Koaxialeitungsabschnitt with double-sided connectors, eg for insertion into the coaxial feed line of an antenna. The coaxial line section comprises an inner conductor 21, which is surrounded on a part of its length by a dielectric 25 and is seated in an outer conductor 26. In the outer conductor 26, a chamber 26.1 is formed. The chamber walls form the outer conductor of a λ / 4 short-circuit line whose Inner conductor 30 angled at its beginning by 90 °, isolated passed through the outer conductor wall 26.2 and is electrically connected to the inner conductor 21 of the Koaxialleitungsabschnitts. The end of the inner conductor 30 of the λ / 4 short-circuit line is galvanically connected to a metallic ring 32, which coaxially surrounds a section 26.3 of the outer conductor 26 of the coaxial line section, but is separated therefrom by a dielectric annular sleeve 22 arranged therebetween. The outer conductor section 26.3, the dielectric annular sleeve 22 and the ring 32 together form a ribbon cable which acts like a tube condenser in the useful frequency range. The outer conductor 26 has in its outer jacket 26.4, in this example diametrically opposite the end of the inner conductor 30 of the λ / 4 short-circuit line, a radial bore in which a gas discharge pill 4 is seated, whose one electrode is galvanically concatenated with the ring 32. The other electrode of the gas discharge pill 4 is contacted via a conical helical spring 4.1 with a screw cap 26.5 which closes the bore in the section 26.4 of the outer conductor 26 of the coaxial line section.

Claims (4)

Koaxialer Überspannungsableiter, bestehend aus einem Koaxialleitungsabschnitt, von dessen Innenleiter (21) ein Innenleiter (30) einer λ/4-Kurzschlussleitung radial abzweigt, durch die Wand des Aussenleiters des Koaxialleitungsabschnittes isoliert hindurch geführt und im Weiteren mit zur Achse des Innenleiters (21) des Koaxialleitungsabschnitts paralleler Achse in einer Kammer (26.1) in dem Aussenleiter (26) des Koaxialleitungsabschnitt angeordnet sowie an seinem Ende mit dem Aussenleiter (26) elektrisch kontaktiert ist, dadurch gekennzeichnet, dass die Kontaktierung aus einer Bandleitung (32, 22, 26.3) besteht.Coaxial surge arrester consisting of a coaxial line section, from whose inner conductor (21) an inner conductor (30) of a λ / 4 short-circuiting line branches radially, guided through the wall of the outer conductor of the Koaxialleitungsabschnittes isolated and further to the axis of the inner conductor (21) of the Koaxialleitungsabschnitts parallel axis in a chamber (26.1) in the outer conductor (26) of the Koaxialleitungsabschnitt arranged and electrically contacted at its end to the outer conductor (26), characterized in that the contacting of a ribbon cable (32, 22, 26.3) consists. Überspannungsableiter nach Anspruch 1, dadurch gekennzeichnet, dass die Bandleitung aus einem den Aussenleiter (26.3) des Koaxialleitungsabschnitts koaxial umschliessenden, dielektrischen Ring (22) und einem letzteren umschliessenden Metallring (32) besteht, mit dem das Ende des Innenleiters (30) der Kurzschlussleitung galvanisch verbunden ist.Surge arrester according to Claim 1, characterized in that the ribbon cable consists of a dielectric ring (22) coaxially surrounding the outer conductor (26.3) of the coaxial line section and a metal ring (32) enclosing the latter, with which the end of the inner conductor (30) of the short circuit line is galvanically connected connected is. Überspannungsableiter nach Anspruch 2, dadurch gekennzeichnet, dass mit dem Metallring (32) die eine Elektrode einer Gasentladungspille (4) kontaktiert ist, deren andere Elektrode mit dem Aussenleiter (26.4, 26.5) des Koaxialleitungsabschnitts kontaktiert ist.Surge arrester according to claim 2, characterized in that with the metal ring (32) the one electrode of a gas discharge pill (4) is contacted, whose other electrode is contacted with the outer conductor (26.4, 26.5) of the Koaxialleitungsabschnitts. Überspannungsableiter nach Anspruch 3, dadurch gekennzeichnet, dass die Gasentladungspille (4) in eine Bohrung in dem Aussenleiter (26.4) des Koaxialleitungsabschnitts in Höhe des Metallrings (32) eingesetzt und federbelastet (4.1) ist und dass die Bohrung mittels einer Schraubkappe (26.5) verschlossen ist.Surge arrester according to claim 3, characterized in that the gas discharge pill (4) into a bore in the outer conductor (26.4) of the Koaxialleitungsabschnitts inserted at the height of the metal ring (32) and spring-loaded (4.1) and that the bore is closed by means of a screw cap (26.5).
EP06022415A 2005-02-15 2006-01-26 Coaxial surge arrester Not-in-force EP1763041B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005006829 2005-02-15
EP06001609A EP1691379B1 (en) 2005-02-15 2006-01-26 Coaxial surge arrester

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP06001609A Division EP1691379B1 (en) 2005-02-15 2006-01-26 Coaxial surge arrester
EP06001609.4 Division 2006-01-26

Publications (2)

Publication Number Publication Date
EP1763041A1 true EP1763041A1 (en) 2007-03-14
EP1763041B1 EP1763041B1 (en) 2010-03-17

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EP06022415A Not-in-force EP1763041B1 (en) 2005-02-15 2006-01-26 Coaxial surge arrester
EP06001609A Not-in-force EP1691379B1 (en) 2005-02-15 2006-01-26 Coaxial surge arrester

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EP06001609A Not-in-force EP1691379B1 (en) 2005-02-15 2006-01-26 Coaxial surge arrester

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US (1) US7400484B2 (en)
EP (2) EP1763041B1 (en)
CN (1) CN1825717B (en)
AT (2) ATE453917T1 (en)
DE (2) DE502006006427D1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502007004759D1 (en) * 2006-07-27 2010-09-30 Huber+Suhner Ag Overvoltage protection for a coaxial line
US8134818B2 (en) * 2008-04-08 2012-03-13 John Mezzalingua Associates, Inc. Quarter wave stub surge suppressor with coupled pins
CN101304160B (en) * 2008-07-01 2011-10-05 镇江华坚电子有限公司 One fourth wavelength type lighting arrester
EP2549604A1 (en) * 2011-07-19 2013-01-23 ABB Technology AG Conductor arrangement for reducing impact of very fast transients
CN105551798B (en) * 2016-01-27 2018-10-12 福州欣翔威电子科技有限公司 Ceramic capacitor
DE102017118181B4 (en) * 2017-07-07 2019-01-17 Dehn + Söhne Gmbh + Co. Kg Encapsulated overvoltage protection device with a cup-like housing

Citations (5)

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Publication number Priority date Publication date Assignee Title
CH676900A5 (en) * 1989-08-29 1991-03-15 Huber+Suhner Ag Filter for coaxial cable coupling - uses coaxial ceramics resonator for providing frequency selective filter
EP0855756A1 (en) * 1997-01-27 1998-07-29 HUBER & SUHNER AG EMP-arrester
EP0938166A1 (en) * 1998-02-17 1999-08-25 HUBER & SUHNER AG EMP-arrester
EP0978894A2 (en) * 1998-08-06 2000-02-09 Spinner GmbH Elektrotechnische Fabrik Coaxial broadband surge voltage arrester
DE19936869C1 (en) * 1999-08-05 2001-03-08 Spinner Gmbh Elektrotech Coaxial surge arrester

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50113240D1 (en) * 2000-10-25 2007-12-20 Huber+Suhner Ag STORAGE PROTECTION FILTER AND BLITZSTROMABLEITER-EINRICHTUNG
US6721155B2 (en) * 2001-08-23 2004-04-13 Andrew Corp. Broadband surge protector with stub DC injection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH676900A5 (en) * 1989-08-29 1991-03-15 Huber+Suhner Ag Filter for coaxial cable coupling - uses coaxial ceramics resonator for providing frequency selective filter
EP0855756A1 (en) * 1997-01-27 1998-07-29 HUBER & SUHNER AG EMP-arrester
EP0938166A1 (en) * 1998-02-17 1999-08-25 HUBER & SUHNER AG EMP-arrester
EP0978894A2 (en) * 1998-08-06 2000-02-09 Spinner GmbH Elektrotechnische Fabrik Coaxial broadband surge voltage arrester
DE19936869C1 (en) * 1999-08-05 2001-03-08 Spinner Gmbh Elektrotech Coaxial surge arrester

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Publication number Publication date
US7400484B2 (en) 2008-07-15
CN1825717A (en) 2006-08-30
ATE453917T1 (en) 2010-01-15
DE502006006427D1 (en) 2010-04-29
EP1691379A3 (en) 2006-11-08
EP1691379B1 (en) 2009-12-30
EP1691379A2 (en) 2006-08-16
EP1763041B1 (en) 2010-03-17
CN1825717B (en) 2011-08-03
DE502006005758D1 (en) 2010-02-11
US20060181832A1 (en) 2006-08-17
ATE461519T1 (en) 2010-04-15

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