JPS5253249A - Pressure proof guarranteed type electric current source circuit securi ty device - Google Patents

Pressure proof guarranteed type electric current source circuit securi ty device

Info

Publication number
JPS5253249A
JPS5253249A JP12862675A JP12862675A JPS5253249A JP S5253249 A JPS5253249 A JP S5253249A JP 12862675 A JP12862675 A JP 12862675A JP 12862675 A JP12862675 A JP 12862675A JP S5253249 A JPS5253249 A JP S5253249A
Authority
JP
Japan
Prior art keywords
guarranteed
securi
electric current
current source
type electric
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.)
Pending
Application number
JP12862675A
Other languages
Japanese (ja)
Inventor
Tatsu Abe
Hiroshi Kobayashi
Akio Oaji
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.)
Tohoku Electric Power Co Inc
Sankosha Co Ltd
Original Assignee
Tohoku Electric Power Co Inc
Sankosha Co Ltd
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 Tohoku Electric Power Co Inc, Sankosha Co Ltd filed Critical Tohoku Electric Power Co Inc
Priority to JP12862675A priority Critical patent/JPS5253249A/en
Publication of JPS5253249A publication Critical patent/JPS5253249A/en
Pending legal-status Critical Current

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  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: On primary side of transformer in which is shield is earthed, nonlinear resistant body, carbon gap, and choke coil are used, and electric source device, communication apparatus of loaded side are protected from an excessive surge voltage such as thunder and others.
COPYRIGHT: (C)1977,JPO&Japio
JP12862675A 1975-10-25 1975-10-25 Pressure proof guarranteed type electric current source circuit securi ty device Pending JPS5253249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12862675A JPS5253249A (en) 1975-10-25 1975-10-25 Pressure proof guarranteed type electric current source circuit securi ty device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12862675A JPS5253249A (en) 1975-10-25 1975-10-25 Pressure proof guarranteed type electric current source circuit securi ty device

Publications (1)

Publication Number Publication Date
JPS5253249A true JPS5253249A (en) 1977-04-28

Family

ID=14989440

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12862675A Pending JPS5253249A (en) 1975-10-25 1975-10-25 Pressure proof guarranteed type electric current source circuit securi ty device

Country Status (1)

Country Link
JP (1) JPS5253249A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429524A (en) * 1990-05-25 1992-01-31 Nippon Hoso Kyokai <Nhk> Lightning withstanding circuit
JP2008136303A (en) * 2006-11-28 2008-06-12 Otowa Denki Kogyo Kk Lightning surge protector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112123A1 (en) * 1970-11-05 1972-06-16 Soule Ets Ind
JPS4823628U (en) * 1971-07-28 1973-03-17

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2112123A1 (en) * 1970-11-05 1972-06-16 Soule Ets Ind
JPS4823628U (en) * 1971-07-28 1973-03-17

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0429524A (en) * 1990-05-25 1992-01-31 Nippon Hoso Kyokai <Nhk> Lightning withstanding circuit
JP2008136303A (en) * 2006-11-28 2008-06-12 Otowa Denki Kogyo Kk Lightning surge protector

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