SU499680A1 - Protective device for two-wire communication circuits - Google Patents

Protective device for two-wire communication circuits

Info

Publication number
SU499680A1
SU499680A1 SU1880982A SU1880982A SU499680A1 SU 499680 A1 SU499680 A1 SU 499680A1 SU 1880982 A SU1880982 A SU 1880982A SU 1880982 A SU1880982 A SU 1880982A SU 499680 A1 SU499680 A1 SU 499680A1
Authority
SU
USSR - Soviet Union
Prior art keywords
protective device
wire communication
communication circuits
circuits
wire
Prior art date
Application number
SU1880982A
Other languages
Russian (ru)
Inventor
Алексей Бернардович Фельдман
Original Assignee
Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Железнодорожного Транспорта
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 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Железнодорожного Транспорта filed Critical Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Железнодорожного Транспорта
Priority to SU1880982A priority Critical patent/SU499680A1/en
Application granted granted Critical
Publication of SU499680A1 publication Critical patent/SU499680A1/en

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Claims (1)

Формула изобретени Invention Formula Защитное устройство дл  двухпроводных цепей св зи, содержащее два резонансных контура , включенных между проводами и землей , при этом один контур настроен на первую , а другой - на третью гармонику вли ющего тока, отличающеес  тем, что, с целью повышени  электрической симметрии устройства, между каждым проводом цепи и соединенными параллельно контурами включена обмотка индуктивности, причем обе обмотки расположены на общем сердечнике.A protective device for two-wire communication circuits containing two resonant circuits connected between the wires and the ground, one circuit tuned to the first and the other to the third harmonic of the affecting current, characterized in that, in order to improve the electrical symmetry of the device, An inductor winding is connected to each wire of the circuit and connected in parallel with the circuits, and both windings are located on a common core.
SU1880982A 1973-02-09 1973-02-09 Protective device for two-wire communication circuits SU499680A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU1880982A SU499680A1 (en) 1973-02-09 1973-02-09 Protective device for two-wire communication circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU1880982A SU499680A1 (en) 1973-02-09 1973-02-09 Protective device for two-wire communication circuits

Publications (1)

Publication Number Publication Date
SU499680A1 true SU499680A1 (en) 1976-01-15

Family

ID=20541884

Family Applications (1)

Application Number Title Priority Date Filing Date
SU1880982A SU499680A1 (en) 1973-02-09 1973-02-09 Protective device for two-wire communication circuits

Country Status (1)

Country Link
SU (1) SU499680A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421986A1 (en) * 1994-06-23 1996-01-04 Miele & Cie Radio interference filter for electronically-controlled device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4421986A1 (en) * 1994-06-23 1996-01-04 Miele & Cie Radio interference filter for electronically-controlled device

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