JPS5253249A - Pressure proof guarranteed type electric current source circuit securi ty device - Google Patents
Pressure proof guarranteed type electric current source circuit securi ty deviceInfo
- 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
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
Landscapes
- 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
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)
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)
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 |
-
1975
- 1975-10-25 JP JP12862675A patent/JPS5253249A/en active Pending
Patent Citations (2)
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)
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO167618C (en) | SURVIVAL DEVICE FOR ELECTRICAL APPLIANCES. | |
JPS5253249A (en) | Pressure proof guarranteed type electric current source circuit securi ty device | |
DE59206938D1 (en) | Circuit arrangement for inrush current limitation and for overvoltage protection in clocked power supply devices | |
CH610436A5 (en) | Short-circuit protection device for an electrical transformer | |
DK59084A (en) | DEVICE FOR THE IONIZATION LEVEL IN A GASIC ENVIRONMENT | |
JPS5233055A (en) | Switching method of power source | |
GB2053579B (en) | Device for protection of electrical networks from surges of high voltage utilising spark gaps | |
JPS5437223A (en) | All wave rectifying circuit | |
JPS5326189A (en) | Ion source | |
JPS51139701A (en) | Noise protector | |
JPS51140127A (en) | Magnetic deflection protective process of the inverter circuit | |
SU698100A2 (en) | Arrangement for short-circuit protection of contact circuit and dc equipment | |
JPS5279756A (en) | Field emission device | |
JPS5222739A (en) | Protection gap device | |
JPS5381927A (en) | Lightning protecting unit | |
JPS5372125A (en) | Static induction apparatus | |
JPS5374237A (en) | Secondary open circuit protection for current transformer | |
JPS51122788A (en) | Insulating spacer | |
JPS5284441A (en) | Apparatus interface protection circuit | |
JPS5449552A (en) | Discharge gap device | |
JPS54116602A (en) | Corona shield layer | |
JPS5231355A (en) | Protection method of simple dc constant voltage | |
JPS5228640A (en) | Protective relay | |
JPS5229935A (en) | Switching apparatus | |
GB1475100A (en) | Electron-optical discharge device |