DE519900C - Device for the elimination of disruptive influences on telecommunications systems due to overvoltages - Google Patents

Device for the elimination of disruptive influences on telecommunications systems due to overvoltages

Info

Publication number
DE519900C
DE519900C DEA50469D DEA0050469D DE519900C DE 519900 C DE519900 C DE 519900C DE A50469 D DEA50469 D DE A50469D DE A0050469 D DEA0050469 D DE A0050469D DE 519900 C DE519900 C DE 519900C
Authority
DE
Germany
Prior art keywords
overvoltages
elimination
telecommunications systems
voltage
disruptive influences
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
Application number
DEA50469D
Other languages
German (de)
Inventor
Richard Troeger
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.)
AEG AG
Original Assignee
AEG AG
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 AEG AG filed Critical AEG AG
Priority to DEA50469D priority Critical patent/DE519900C/en
Application granted granted Critical
Publication of DE519900C publication Critical patent/DE519900C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)

Description

Einrichtung zur Beseitigung von störenden Beeinflussungen von Fernmeldeanlagen durch Überspannungen In dem Hauptpatent 482 714 sind Einrichtungen zur Beseitigung von störenden Einflüssen von Fernmeldeanlagen durch Überspannungen beschrieben, deren wesentliches Kennzeichen darin besteht, daß die zur Ableitung von Überspannungen dienenden Spannungssicherungen in solche Abhängigkeit ,voneinander gebracht «erden, daß die Gleichmäßigkeit der Störungsenergiemengen sichergestellt ist und die Betriebsapparate der Fernmeldeanlage gegen Störungen geschützt werden.Device for eliminating disruptive influences on telecommunications systems by overvoltages In the main patent 482 714 are devices for elimination of disruptive influences from telecommunications systems due to overvoltages, the main characteristic of which is that they are used to dissipate overvoltages voltage fuses that are used in such a way that they are interdependent, that the uniformity of the disturbance energy amounts is ensured and the operating apparatus the telecommunications system must be protected against interference.

Gemäß den Beschreibungen der obengenannten Patente werden als Ableiter sogenannte Spannungs- oder Durchschlagssicherungen verwendet, vermittels welcher im normalen Zustande die Verbindung zwischen Frde und Fernmeldeanlage unterbrochen ist, dagegen wird im Störungsfall durch Überschlag von einer Elektrode zur anderen die Verbindung hergestellt. Der Gegenstand des vorliegenden Zusatzpatents beruht auf der Erkenntnis, daß an Stelle oder parallel zu den Spannungssicherungen, welche in der Praxis im allgemeinen erst bei einer bestimmten, verhältnismäßig hohen Spannung, günstigenfalls etwa bei 9o Volt, ansprechen, spannungsabhängige Widerstände geschaltet werden. beispielsweise Fritter, Silit- oder Ozelitwiderstände u. dgl. Bei dem als Beispiel genannten Fritter handelt es sich um einen aus der drahtlosen Telegraphie genügend bekannten Apparat mit der besonderen Eigenschaft, daß dem Gleich- oder Wechselstrom bei niedriger Spannung der Durchtritt verwehrt, während er beim Auftreten von Spannungsstößen infolge Frittung leitend wird und nunmehr nur noch einen gewissen Ohmschen Widerstand besitzt.According to the descriptions of the above-mentioned patents, as arresters so-called voltage or breakdown fuses are used, by means of which in the normal state the connection between the outside and the telecommunications system is interrupted is, on the other hand, in the event of a fault, a flashover from one electrode to the other the connection established. The subject matter of the present additional patent is based on the knowledge that instead of or parallel to the voltage fuses, which in practice generally only at a certain, relatively high voltage, ideally at about 9o volts, respond, voltage-dependent resistors switched will. for example fritters, silite or ozelite resistors and the like The fritter mentioned in the example is one from wireless telegraphy sufficiently known apparatus with the special property that the equal or Alternating current at low voltage denies passage, while it does when it occurs from voltage surges due to fritting becomes conductive and now only a certain amount Has ohmic resistance.

Die verhältnismäßig niedrige Ansprechspannung der Fritter macht dieselben in Verbindung mit der oben beschriebenen Einrichtung außerdem zum Ausgleich von Spannungsunterschieden der verschiedenen Zweige einer Fernmeldeanlage geeignet. Überbrückt man nämlich die Zweige ummittelbar durch Fritter* so erreicht man den Ausgleich etwaiger Spannungsunterschiede, z. B. bei Erdschluß eines Zweiges, mit dem Ziel, die Arbeitsbedingungen, z. B. der Kopplungsspule. in dein Sinne zii erleichtern, claß ein gleich-Z, mäßiger Stroinäbfluß sichergestellt wird.The relatively low response voltage of the fritters does the same in connection with the device described above also to compensate for Voltage differences of the various branches of a telecommunications system. If one bridges the branches directly with fritters *, one reaches the Compensation for any voltage differences, e.g. B. in the event of a ground fault in a branch, with the aim of the working conditions, e.g. B. the coupling coil. in your Facilitate the senses so that an equal flow of strokes is ensured.

Claims (1)

PATENTANSPRUCH: Einrichtung zur Beseitigung von störenden Beeinflussungen von Fernmeldeanlagen durch Überspannungen nach Patent 4.82 714, dadurch gekennzeichnet, dar spannungsabhängige Widerstände (beispielsweise Fritter, Silit- oder Ozelitwiderstände usw.) an Stelle oder parallel zu den Spannungssicherungen geschaltet werden.PATENT CLAIM: Device for eliminating disruptive influences of telecommunication systems by overvoltages according to Patent 4.82 714, characterized in that represents voltage-dependent resistances (for example fritters, silite or ozelite resistors etc.) instead of or in parallel with the voltage fuses.
DEA50469D 1925-04-02 1927-03-30 Device for the elimination of disruptive influences on telecommunications systems due to overvoltages Expired DE519900C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEA50469D DE519900C (en) 1925-04-02 1927-03-30 Device for the elimination of disruptive influences on telecommunications systems due to overvoltages

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE613840X 1925-04-02
DEA50469D DE519900C (en) 1925-04-02 1927-03-30 Device for the elimination of disruptive influences on telecommunications systems due to overvoltages

Publications (1)

Publication Number Publication Date
DE519900C true DE519900C (en) 1931-03-05

Family

ID=25945579

Family Applications (1)

Application Number Title Priority Date Filing Date
DEA50469D Expired DE519900C (en) 1925-04-02 1927-03-30 Device for the elimination of disruptive influences on telecommunications systems due to overvoltages

Country Status (1)

Country Link
DE (1) DE519900C (en)

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