JPS534838A - Protection against lightning surge invasion - Google Patents

Protection against lightning surge invasion

Info

Publication number
JPS534838A
JPS534838A JP7930576A JP7930576A JPS534838A JP S534838 A JPS534838 A JP S534838A JP 7930576 A JP7930576 A JP 7930576A JP 7930576 A JP7930576 A JP 7930576A JP S534838 A JPS534838 A JP S534838A
Authority
JP
Japan
Prior art keywords
lightning surge
protection against
against lightning
invasion
surge invasion
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.)
Granted
Application number
JP7930576A
Other languages
Japanese (ja)
Other versions
JPS5733896B2 (en
Inventor
Tatsuya Sawakuri
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.)
NTT Inc
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 JP7930576A priority Critical patent/JPS534838A/en
Publication of JPS534838A publication Critical patent/JPS534838A/en
Publication of JPS5733896B2 publication Critical patent/JPS5733896B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To provide an effective bypass for invading lightning surge to the ground, by realizing grounding imedance which is low enough to the earth, with the externel case grounded to sea water.
COPYRIGHT: (C)1978,JPO&Japio
JP7930576A 1976-07-02 1976-07-02 Protection against lightning surge invasion Granted JPS534838A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7930576A JPS534838A (en) 1976-07-02 1976-07-02 Protection against lightning surge invasion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7930576A JPS534838A (en) 1976-07-02 1976-07-02 Protection against lightning surge invasion

Publications (2)

Publication Number Publication Date
JPS534838A true JPS534838A (en) 1978-01-17
JPS5733896B2 JPS5733896B2 (en) 1982-07-20

Family

ID=13686121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7930576A Granted JPS534838A (en) 1976-07-02 1976-07-02 Protection against lightning surge invasion

Country Status (1)

Country Link
JP (1) JPS534838A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115835U (en) * 1982-02-01 1983-08-08 株式会社田村電機製作所 Protection circuits for devices using electronic components
JPS596395A (en) * 1982-06-30 1984-01-13 Sumitomo Metal Mining Co Ltd Method for preventing dimension reduction of lead frame strips
JPS61257800A (en) * 1985-05-10 1986-11-15 平野金属株式会社 Slitting device for band-shaped article

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58115835U (en) * 1982-02-01 1983-08-08 株式会社田村電機製作所 Protection circuits for devices using electronic components
JPS596395A (en) * 1982-06-30 1984-01-13 Sumitomo Metal Mining Co Ltd Method for preventing dimension reduction of lead frame strips
JPS61257800A (en) * 1985-05-10 1986-11-15 平野金属株式会社 Slitting device for band-shaped article

Also Published As

Publication number Publication date
JPS5733896B2 (en) 1982-07-20

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