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EP1075053B1 - Coaxial surge voltage arrester - Google Patents

Coaxial surge voltage arrester Download PDF

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Publication number
EP1075053B1
EP1075053B1 EP00115646A EP00115646A EP1075053B1 EP 1075053 B1 EP1075053 B1 EP 1075053B1 EP 00115646 A EP00115646 A EP 00115646A EP 00115646 A EP00115646 A EP 00115646A EP 1075053 B1 EP1075053 B1 EP 1075053B1
Authority
EP
European Patent Office
Prior art keywords
section
chamber
inner conductor
short
coaxial
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
Application number
EP00115646A
Other languages
German (de)
French (fr)
Other versions
EP1075053A2 (en
EP1075053A3 (en
Inventor
Josef Landinger
Franz Dr.Ing. Pitschi
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.)
Spinner GmbH
Original Assignee
Spinner GmbH
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 Spinner GmbH filed Critical Spinner GmbH
Publication of EP1075053A2 publication Critical patent/EP1075053A2/en
Publication of EP1075053A3 publication Critical patent/EP1075053A3/en
Application granted granted Critical
Publication of EP1075053B1 publication Critical patent/EP1075053B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/48—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a coaxial surge arrester, consisting of a coaxial line section, of whose inner conductor is an inner conductor of a ⁇ / 4 short-circuit line branches radially, isolated by a wall of the outer conductor of the coaxial line section passed in a chamber formed in the outer conductor and electrically contacted with the outer conductor at its end is.
  • Such a surge arrester is from DE 195 20 974 A1 known.
  • the chamber in the outer conductor in which the through the wall of the outer conductor of the coaxial line section led out inner conductor of the ⁇ / 4 short-circuit line is designed as a coaxial annular space, so that the led out inner conductor in a radial plane of the Coaxial line section lies. Because of this construction the surge arrester has a comparatively large diameter.
  • the production of the annulus requires a substantial machining operation accordingly massive blank, a flange ring that is one of the forms two annulus walls lying in a radial plane and a jacket ring that closes off the annulus from the outside. There are seals between all these parts required.
  • the invention has for its object the coaxial Surge arrester of the type mentioned in the introduction to simplify constructively.
  • This construction allows, as it were, the chamber Attachment on the outer conductor of the coaxial line section, with a flat bottom and a flat lid. This diminishes the outer dimensions and also saves considerable Manufacturing costs. Also, the size of the chamber simple the length of the inner conductor of the ⁇ / 4 short-circuit line be adjusted. This length is known for the Nominal frequency for which the surge arrester is designed is immediately specified.
  • An embodiment is used for nominal frequencies from a few 100 MHz preferred, in which the section arranged in the chamber the inner conductor of the ⁇ / 4 short-circuit line approximately is arranged in a ring around axis A-A, which is approximately rectangular is to the axis of the coaxial line section (claim 2). This embodiment is particularly space-saving.
  • the inner conductor of the ⁇ / 4 short-circuit line becomes relatively long is recommended an embodiment in which the arranged in the chamber Section of the inner conductor of the ⁇ / 4 short-circuit line runs in a channel formed in the chamber (Claim 3).
  • the channel can then be roughly a spiral or a coil winding and thus one Have a length that is greater than the circumference of the chamber.
  • the Channel walls can be metallic, especially if it is Section of the ⁇ / 4 short-circuit line as a strip line is trained.
  • the led out of the coaxial line section Part of the ⁇ / 4 short-circuit line can also in any other suitable line technology, e.g. as a stripline or be designed as a microstrip.
  • the lead out section of the inner conductor of the ⁇ / 4 short-circuit line containing chamber can be in one Outer conductor of the metal body forming the coaxial line section are (claim 4).
  • the coaxial surge arrester shown in Figures 1 to 3 is here as a coaxial line section formed between two plug connections.
  • the coaxial line section comprises an inner conductor 1 and one Outer conductor 2 forming metal body 21.
  • From the inner conductor 1 branches the inner conductor 10a, 10b of a ⁇ / 4 short-circuit line from.
  • the first inner conductor section 10a which here with the inner conductor 1 connected according to the plug / socket principle is, runs radially to this inner conductor 1 and is through the outer conductor 2 of the coaxial line section led out.
  • the outer conductor 2 has a hole in which an insulating insert 3 with a hole for the inner conductor section 10a sits.
  • the insulating material insert 3 forms at the same time a spacer for the subsequent inner conductor section 10b, which in the manner of a ribbon cable in a Chamber 4 is added.
  • the outside of the coaxial line section extending part of the ⁇ / 4 short-circuit line can also in another line technology, e.g. as a strip line or as a coaxial line piece.
  • How 2 shows the side wall 4a of the chamber 4 a cylindrical surface. The extends parallel to this band-shaped inner conductor section 10b, is supported by an insulating material 5 held and ends at a contact block 6, the electrical connection to the metal body 21st manufactures.
  • the chamber 4 is through a metallic cover 7, which is removed in the illustration of FIG. 2, after HF sealed on the outside.
  • the lid 7 can be part of the Metal body 21 are considered, so that the chamber 4 as a whole in the outer conductor 2 of the coaxial line section is formed, the inner conductor section 10b of the ⁇ / 4 short-circuit line in one to the axis of the coaxial line section parallel plane and ring-shaped around an axis (see A-A in Fig. 1), which is perpendicular to the axis of the inner conductor 1 stands, is arranged.
  • the chamber 4 has a channel 41 which extends from the Insulating material insert 3 extends to the contact block 6 and approximately like a spiral. To this Way has the channel 41, the side surfaces through the metallic cover 7 are electrically contacted, a length exceeding the circumference of the chamber 4.
  • channel 41 is the section 10c of the ⁇ / 4 short-circuit line. This section 10c, which is designed as a ribbon cable is supported by a corresponding number of insulation supports 8 held.

Landscapes

  • Emergency Protection Circuit Devices (AREA)

Description

Die Erfindung betrifft einen koaxialen Überspannungsableiter, bestehend aus einem Koaxialleitungsabschnitt, von dessen Innenleiter ein Innenleiter einer λ/4-Kurzschlußleitung radial abzweigt, isoliert durch eine Wand des Außenleiters des Koaxialleitungsabschnitts hindurchgeführt, in einer in dem Außenleiter ausgebildeten Kammer angeordnet und an seinem Ende mit dem Außenleiter elektrisch kontaktiert ist.The invention relates to a coaxial surge arrester, consisting of a coaxial line section, of whose inner conductor is an inner conductor of a λ / 4 short-circuit line branches radially, isolated by a wall of the outer conductor of the coaxial line section passed in a chamber formed in the outer conductor and electrically contacted with the outer conductor at its end is.

Ein derartiger Überspannungsableiter ist aus der DE 195 20 974 A1 bekannt. Die Kammer im Außenleiter, in der sich der durch die Wand des Außenleiters des Koaxialleitungsabschnitts herausgeführte Innenleiter der λ/4-Kurzschlußleitung befindet, ist als koaxialer Ringraum ausgebildet, so daß der herausgeführte Innenleiter in einer Radialebene des Koaxialleitungsabschnitts liegt. Aufgrund dieser Konstruktion hat der Überspannungsableiter einen vergleichsweise großen Durchmesser. Die Herstellung des Ringraumes erfordert eine beträchtliche spanabhebende Bearbeitung eines entsprechend massiven Rohlings, einen Flanschring, der eine der beiden in einer Radialebene liegenden Ringraumwände bildet und einen Mantelring, der den Ringraum nach außen abschließt. Zwischen allen diesen Teilen sind Abdichtungen erforderlich.Such a surge arrester is from DE 195 20 974 A1 known. The chamber in the outer conductor in which the through the wall of the outer conductor of the coaxial line section led out inner conductor of the λ / 4 short-circuit line is designed as a coaxial annular space, so that the led out inner conductor in a radial plane of the Coaxial line section lies. Because of this construction the surge arrester has a comparatively large diameter. The production of the annulus requires a substantial machining operation accordingly massive blank, a flange ring that is one of the forms two annulus walls lying in a radial plane and a jacket ring that closes off the annulus from the outside. There are seals between all these parts required.

Der Erfindung liegt die Aufgabe zugrunde, den koaxialen Überspannungsableiter der einleitend genannten Gattung konstruktiv zu vereinfachen. The invention has for its object the coaxial Surge arrester of the type mentioned in the introduction to simplify constructively.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß der in der Kammer angeordnete Abschnitt des Innenleiters der λ/4-Kurzschlußleitung wenigstens annähernd in einer zu der Achse des Koaxialleitungsabschnitts annähernd parallelen Ebene liegt.This object is achieved in that the in section of the inner conductor of the λ / 4 short-circuit line arranged in the chamber at least approximately in one to the axis of the coaxial line section approximately parallel plane lies.

Diese Konstruktion erlaubt es, die Kammer gewissermaßen als Aufsatz auf den Außenleiter des Koaxialleitungsabschnitts, mit planem Boden und planem Deckel, auszubilden. Dies verringert die Außenabmessungen und spart auch erhebliche Fertigungskosten ein. Außerdem kann die Größe der Kammer einfacher der Länge des Innenleiters der λ/4-Kurzschlußleitung angepaßt werden. Diese Länge ist bekanntlich durch die Nennfrequenz, für die der Überspannungsableiter ausgelegt ist, unmittelbar vorgegeben.This construction allows, as it were, the chamber Attachment on the outer conductor of the coaxial line section, with a flat bottom and a flat lid. This diminishes the outer dimensions and also saves considerable Manufacturing costs. Also, the size of the chamber simple the length of the inner conductor of the λ / 4 short-circuit line be adjusted. This length is known for the Nominal frequency for which the surge arrester is designed is immediately specified.

Für Nennfrequenzen ab einigen 100 MHz wird eine Ausführungsform bevorzugt, bei der der in der Kammer angeordnete Abschnitt des Innenleiters der λ/4-Kurzschlußleitung etwa ringförmig um Achse A-A angeordnet ist, die etwa rechtwinklig zur Achse des Koaxialleitungsabschnittes steht (Anspruch 2). Diese Ausführungsform ist besonders platzsparend.An embodiment is used for nominal frequencies from a few 100 MHz preferred, in which the section arranged in the chamber the inner conductor of the λ / 4 short-circuit line approximately is arranged in a ring around axis A-A, which is approximately rectangular is to the axis of the coaxial line section (claim 2). This embodiment is particularly space-saving.

Zur Erzielung einer kurzen Bauweise oder für relativ niedrige Nennfrequenzen, d.h. dann, wenn der Innenleiter der λ/4-Kurzschlußleitung verhältnismäßig lang wird, empfiehlt sich eine Ausführungsform, bei der der in der Kammer angeordnete Abschnitt des Innenleiters der λ/4-Kurzschlußleitung in einem in der Kammer ausgebildeten Kanal verläuft (Anspruch 3). Der Kanal kann dann etwa nach Art einer Spirale oder einer Spulenwicklung verlaufen und damit eine Länge haben, die größer als der Umfang der Kammer ist. Die Kanalwände können metallisch sein, insbesondere wenn dieser Abschnitt der λ/4-Kurzschlußleitung als Streifenleitung ausgebildet ist. Der aus dem Koaxialleitungsabschnitt herausgeführte Teil der λ/4-Kurzschlußleitung kann aber auch in jeder anderen, geeigneten Leitungstechnik, z.B. als Stripline oder als Microstrip ausgeführt sein.To achieve a short construction or for relatively low Nominal frequencies, i.e. then when the inner conductor of the λ / 4 short-circuit line becomes relatively long is recommended an embodiment in which the arranged in the chamber Section of the inner conductor of the λ / 4 short-circuit line runs in a channel formed in the chamber (Claim 3). The channel can then be roughly a spiral or a coil winding and thus one Have a length that is greater than the circumference of the chamber. The Channel walls can be metallic, especially if it is Section of the λ / 4 short-circuit line as a strip line is trained. The led out of the coaxial line section Part of the λ / 4 short-circuit line can also in any other suitable line technology, e.g. as a stripline or be designed as a microstrip.

Die den herausgeführten Abschnitt des Innenleiters der λ/4-Kurzschlußleitung enthaltende Kammer kann sich in einem den Außenleiter des Koaxialleitungsabschnitts bildenden Metallkörper befinden (Anspruch 4).The lead out section of the inner conductor of the λ / 4 short-circuit line containing chamber can be in one Outer conductor of the metal body forming the coaxial line section are (claim 4).

In der Zeichnung sind Ausführungsbeispiele des Überspannungsableiters nach der Erfindung schematisch vereinfacht dargestellt. Es zeigen:

Fig. 1
einen Längsschnitt,
Fig. 2
eine Aufsicht,
Fig. 3
einen Schnitt längs der Linie III-III in Fig. 2,
Fig. 4
eine Aufsicht auf eine andere Ausführungsform und
Fig. 5
einen Schnitt längs der Linie V-V in Fig. 4.
In the drawing, embodiments of the surge arrester according to the invention are shown schematically simplified. Show it:
Fig. 1
a longitudinal section,
Fig. 2
a supervision
Fig. 3
3 shows a section along the line III-III in FIG. 2,
Fig. 4
a supervision of another embodiment and
Fig. 5
a section along the line VV in Fig. 4th

Der in den Figuren 1 bis 3 dargestellte koaxiale Überspannungsableiter ist hier als koaxialer Leitungsabschnitt zwischen zwei Steckanschlüssen ausgebildet. Der Koaxialleitungsabschnitt umfaßt einen Innenleiter 1 und einen den Außenleiter 2 bildenden Metallkörper 21. Von dem Innenleiter 1 zweigt der Innenleiter 10a, 10b einer λ/4-Kurzschlußleitung ab. Der erste Innenleiterabschnitt 10a, der hier mit dem Innenleiter 1 nach dem Stecker/Buchse-Prinzip verbunden ist, verläuft radial zu diesem Innenleiter 1 und ist durch den Außenleiter 2 des Koaxialleitungsabschnitts herausgeführt. Hierzu weist der Außenleiter 2 ein Loch auf, in dem ein Isolierstoffeinsatz 3 mit einer Bohrung für den Innenleiterabschnitt 10a sitzt. Der Isolierstoffeinsatz 3 bildet gleichzeitig ein Abstandsstück für den anschließenden Innenleiterabschnitt 10b, der nach Art einer Bandleitung in einer Kammer 4 aufgenommen ist. Der außerhalb des Koaxialleitungsabschnitts verlaufende Teil der λ/4-Kurzschlußleitung kann auch in einer anderen Leitungstechnik, z.B. als Streifenleitung oder als koaxiales Leitungsstück, ausgebildet sein. Wie aus Fig. 2 zu erkennen ist, ist die Seitenwand 4a der Kammer 4 eine Zylinderfläche. Parallel zu dieser erstreckt sich der bandförmige Innenleiterabschnitt 10b, wird von einer Isolierstoffstütze 5 gehalten und endet an einem Kontaktklotz 6, der die elektrische Verbindung zu dem Metallkörper 21 herstellt. Die Kammer 4 ist durch einen metallischen Deckel 7, der in der Darstellung der Fig. 2 abgenommen ist, nach außen HF-dicht verschlossen. Der Deckel 7 kann als Teil des Metallkörpers 21 betrachtet werden, so daß die Kammer 4 insgesamt in dem Außenleiter 2 des Koaxialleitungsabschnitts ausgebildet ist, der Innenleiterabschnitt 10b der λ/4-Kurzschlußleitung in einer zu der Achse des Koaxialleitungsabschnitts parallelen Ebene liegt und ringförmig um eine Achse (vgl. A-A in Fig. 1), die rechtwinklig zur Achse des Innenleiters 1 steht, angeordnet ist.The coaxial surge arrester shown in Figures 1 to 3 is here as a coaxial line section formed between two plug connections. The coaxial line section comprises an inner conductor 1 and one Outer conductor 2 forming metal body 21. From the inner conductor 1 branches the inner conductor 10a, 10b of a λ / 4 short-circuit line from. The first inner conductor section 10a, which here with the inner conductor 1 connected according to the plug / socket principle is, runs radially to this inner conductor 1 and is through the outer conductor 2 of the coaxial line section led out. For this purpose, the outer conductor 2 has a hole in which an insulating insert 3 with a hole for the inner conductor section 10a sits. The insulating material insert 3 forms at the same time a spacer for the subsequent inner conductor section 10b, which in the manner of a ribbon cable in a Chamber 4 is added. The outside of the coaxial line section extending part of the λ / 4 short-circuit line can also in another line technology, e.g. as a strip line or as a coaxial line piece. How 2 shows the side wall 4a of the chamber 4 a cylindrical surface. The extends parallel to this band-shaped inner conductor section 10b, is supported by an insulating material 5 held and ends at a contact block 6, the electrical connection to the metal body 21st manufactures. The chamber 4 is through a metallic cover 7, which is removed in the illustration of FIG. 2, after HF sealed on the outside. The lid 7 can be part of the Metal body 21 are considered, so that the chamber 4 as a whole in the outer conductor 2 of the coaxial line section is formed, the inner conductor section 10b of the λ / 4 short-circuit line in one to the axis of the coaxial line section parallel plane and ring-shaped around an axis (see A-A in Fig. 1), which is perpendicular to the axis of the inner conductor 1 stands, is arranged.

In den Fig. 4 und 5 ist eine weitere Ausführungsform dargestellt. Die Kammer 4 hat einen Kanal 41, der sich von dem Isolierstoffeinsatz 3 bis zu dem Kontaktklotz 6 erstreckt und näherungsweise wie eine Spirale verläuft. Auf diese Weise hat der Kanal 41, dessen Seitenflächen durch den metallischen Deckel 7 elektrisch kontaktiert werden, eine den Umfang der Kammer 4 übersteigende Länge. In dem Kanal 41 befindet sich der Abschnitt 10c der λ/4-Kurzschlußleitung. Dieser nach Art eine Bandleitung ausgeführte Abschnitt 10c wird von einer entsprechenden Zahl von Isolierstoffstützen 8 gehalten.4 and 5, another embodiment is shown. The chamber 4 has a channel 41 which extends from the Insulating material insert 3 extends to the contact block 6 and approximately like a spiral. To this Way has the channel 41, the side surfaces through the metallic cover 7 are electrically contacted, a length exceeding the circumference of the chamber 4. In channel 41 is the section 10c of the λ / 4 short-circuit line. This section 10c, which is designed as a ribbon cable is supported by a corresponding number of insulation supports 8 held.

Claims (4)

  1. A coaxial surge arrester, consisting of a coaxial line section
    from whose inner conductor (1) an inner conductor (10a, 10b, 10c) of a λ/4 short-circuit line branches off in a radial fashion,
    is guided in an insulated manner through the wall of the outer conductor (2) of the coaxial line section,
    is arranged in a chamber formed in the outer conductor (4), and
    is electrically contacted at its end with the outer conductor (2), characterized in that
    the section (10b) of the inner conductor (1) of the λ/4 short-circuit line as arranged in the chamber (4) is situated at least approximately in a plane approximately parallel to the axis of the coaxial line section.
  2. A surge arrester as claimed in claim 1, characterized in that
    the section (10b) of the inner conductor (1) of the λ/4 short-circuit line as arranged in the chamber (4) is arranged in an approximately ring-like manner about an axis (A-A) which stands approximately rectangular to the axis of the coaxial line section.
  3. A surge arrester as claimed in claim 1 or 2, characterized in that
    the section (10c) of the inner conductor (1) of the λ/4 short-circuit line as arranged in the chamber (4) extends in a channel (41) formed in the chamber (4).
  4. A surge arrester as claimed in one of the claims 1 to 3, characterized in that
    the chamber (4) containing the section (10b, 10c) of the inner conductor (1) of the λ/4 short-circuit line which is led out is situated in a metal body (21) of the coaxial line section forming the outer conductor (2).
EP00115646A 1999-08-05 2000-07-20 Coaxial surge voltage arrester Expired - Lifetime EP1075053B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19936869 1999-08-05
DE19936869A DE19936869C1 (en) 1999-08-05 1999-08-05 Coaxial surge arrester

Publications (3)

Publication Number Publication Date
EP1075053A2 EP1075053A2 (en) 2001-02-07
EP1075053A3 EP1075053A3 (en) 2002-04-17
EP1075053B1 true EP1075053B1 (en) 2004-10-20

Family

ID=7917260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00115646A Expired - Lifetime EP1075053B1 (en) 1999-08-05 2000-07-20 Coaxial surge voltage arrester

Country Status (4)

Country Link
US (1) US6529357B1 (en)
EP (1) EP1075053B1 (en)
CN (1) CN1190867C (en)
DE (2) DE19936869C1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002103875A1 (en) * 2001-06-15 2002-12-27 Kauffman George M Protective device
WO2004004064A1 (en) * 2002-06-26 2004-01-08 Huber & Suhner Ag Interference filter and lightning conductor device
RU2251191C2 (en) * 2002-11-15 2005-04-27 Корпорация "Самсунг Электроникс" Pulse surge protective gear
DE502006006427D1 (en) * 2005-02-15 2010-04-29 Spinner Gmbh Elektrotech Coaxial surge arrester
US7094104B1 (en) 2005-05-04 2006-08-22 Andrew Corporation In-line coaxial circuit assembly
US7234956B2 (en) * 2005-09-02 2007-06-26 Kauffman George M Electrical connector with dual independent coupling means
US20070097583A1 (en) * 2005-10-31 2007-05-03 Andrew Corporation Tuned Coil Coaxial Surge Suppressor
US7483251B2 (en) * 2006-01-13 2009-01-27 Andrew Llc Multiple planar inductive loop surge suppressor
ATE478448T1 (en) * 2006-07-27 2010-09-15 Huber+Suhner Ag SURGE PROTECTION FOR A COAXIAL LINE
DE102007030157A1 (en) 2007-06-27 2009-01-08 Phoenix Contact Gmbh & Co. Kg Tunable λ / 4 filter assembly
US8228656B2 (en) 2007-09-12 2012-07-24 Kauffman George M Protective device for a radio frequency transmission line
CN101859919A (en) * 2010-05-12 2010-10-13 江苏捷士通科技股份有限公司 1/4 wavelength arrester for mobile antenna feed system
US8456789B2 (en) 2010-12-15 2013-06-04 Andrew Llc Tunable coaxial surge arrestor

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2015445B2 (en) * 1970-04-01 1972-10-05 ADAPTERS FOR COAXIAL CONNECTIONS, IN PARTICULAR FOR REMOTE INFORMATION
US3849750A (en) 1974-01-02 1974-11-19 Reliable Electric Co Line protector for a communication circuit
DE19520974A1 (en) * 1995-06-08 1996-12-12 Spinner Gmbh Elektrotech Overvoltage protection for HF lines
EP0855756B1 (en) * 1997-01-27 2002-07-24 HUBER & SUHNER AG EMP-arrester
DE59911074D1 (en) 1998-08-06 2004-12-23 Spinner Gmbh Elektrotech Broadband coaxial surge arrester

Also Published As

Publication number Publication date
EP1075053A2 (en) 2001-02-07
US6529357B1 (en) 2003-03-04
CN1284759A (en) 2001-02-21
CN1190867C (en) 2005-02-23
DE50008302D1 (en) 2004-11-25
DE19936869C1 (en) 2001-03-08
EP1075053A3 (en) 2002-04-17

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