JPS646615B2 - - Google Patents

Info

Publication number
JPS646615B2
JPS646615B2 JP8649980A JP8649980A JPS646615B2 JP S646615 B2 JPS646615 B2 JP S646615B2 JP 8649980 A JP8649980 A JP 8649980A JP 8649980 A JP8649980 A JP 8649980A JP S646615 B2 JPS646615 B2 JP S646615B2
Authority
JP
Japan
Prior art keywords
voltage
circuit
surge
overvoltage
cathode
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
JP8649980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5713927A (en
Inventor
Akira Tomono
Tadahiro Nagayama
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP8649980A priority Critical patent/JPS5713927A/ja
Publication of JPS5713927A publication Critical patent/JPS5713927A/ja
Publication of JPS646615B2 publication Critical patent/JPS646615B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP8649980A 1980-06-27 1980-06-27 Overvoltage protecting circuit Granted JPS5713927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8649980A JPS5713927A (en) 1980-06-27 1980-06-27 Overvoltage protecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8649980A JPS5713927A (en) 1980-06-27 1980-06-27 Overvoltage protecting circuit

Publications (2)

Publication Number Publication Date
JPS5713927A JPS5713927A (en) 1982-01-25
JPS646615B2 true JPS646615B2 (enrdf_load_stackoverflow) 1989-02-03

Family

ID=13888663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8649980A Granted JPS5713927A (en) 1980-06-27 1980-06-27 Overvoltage protecting circuit

Country Status (1)

Country Link
JP (1) JPS5713927A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0637452Y2 (ja) * 1984-06-18 1994-09-28 株式会社アドバンテスト 電流−電圧変換器の入力保護回路
JPS63211823A (ja) * 1987-02-27 1988-09-02 Nec Corp 通信機器の防護回路
JPH01311823A (ja) * 1988-06-10 1989-12-15 Fujitsu Denso Ltd 保安装置
JPH0210748U (enrdf_load_stackoverflow) * 1988-07-06 1990-01-23

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952925A (en) * 1975-02-05 1976-04-27 Barry-Wehmiller Company Flow control system and rotary flow control valve
JPS54120847A (en) * 1978-03-13 1979-09-19 Toshiba Corp Protective equipment for electronic circuit
JPS56148131A (en) * 1980-04-21 1981-11-17 Nippon Telegraph & Telephone Lateral surge absorbing circuit

Also Published As

Publication number Publication date
JPS5713927A (en) 1982-01-25

Similar Documents

Publication Publication Date Title
US6226162B1 (en) Surge suppression network responsive to the rate of change of power disturbances
US6226166B1 (en) Transient overvoltage and lightning protection of power connected equipment
AU648596B2 (en) Circuit protection device
US6195245B1 (en) Low capacitance surge protector for high speed data transmission
US7755873B2 (en) Device for protection against voltage surges with parallel simultaneously triggered spark-gaps
EP3514907B1 (en) Crowbar device and multistage crowbar apparatus
JPS6022798Y2 (ja) サイリスタの過電圧保護回路
JPH0145814B2 (enrdf_load_stackoverflow)
US5883775A (en) Overvoltage protector
US4651251A (en) Protective circuitry for a thyristor
EP0974181B1 (en) Improvements in transient overvoltage and lightning protection of power connected equipment
JPS646615B2 (enrdf_load_stackoverflow)
JPH0145812B2 (enrdf_load_stackoverflow)
CA1307315C (en) Telephone protection circuit
US4084207A (en) Adjustable overvoltage protected circuit for high power thyristors
JP2002354662A (ja) 雷防護回路
JPS646614B2 (enrdf_load_stackoverflow)
US4340921A (en) HVDC Power transmission system with metallic return conductor
JPH1141798A (ja) 雷防護アダプタ
JPH0222607B2 (enrdf_load_stackoverflow)
JPS6015404Y2 (ja) アレスタ
KR20100025267A (ko) 데이터 통신장비용 서지보호장치
WO1994027350A1 (en) Protection against lightning surges on power lines
JPS6347053B2 (enrdf_load_stackoverflow)
AU679985B2 (en) Protection against lightning surges on power lines