JPH0145816B2 - - Google Patents
Info
- Publication number
- JPH0145816B2 JPH0145816B2 JP7325781A JP7325781A JPH0145816B2 JP H0145816 B2 JPH0145816 B2 JP H0145816B2 JP 7325781 A JP7325781 A JP 7325781A JP 7325781 A JP7325781 A JP 7325781A JP H0145816 B2 JPH0145816 B2 JP H0145816B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- communication
- line
- lines
- surge
- 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
Links
- 239000004065 semiconductor Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims 1
- 230000001012 protector Effects 0.000 description 9
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325781A JPS57189517A (en) | 1981-05-15 | 1981-05-15 | Lightning surge protecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7325781A JPS57189517A (en) | 1981-05-15 | 1981-05-15 | Lightning surge protecting circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57189517A JPS57189517A (en) | 1982-11-20 |
| JPH0145816B2 true JPH0145816B2 (enrdf_load_stackoverflow) | 1989-10-04 |
Family
ID=13512937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7325781A Granted JPS57189517A (en) | 1981-05-15 | 1981-05-15 | Lightning surge protecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57189517A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5613107B2 (ja) * | 2011-06-13 | 2014-10-22 | 日本電信電話株式会社 | 過電圧/過電流保護システムおよび過電圧/過電流保護方法 |
-
1981
- 1981-05-15 JP JP7325781A patent/JPS57189517A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57189517A (en) | 1982-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4586104A (en) | Passive overvoltage protection devices, especially for protection of computer equipment connected to data lines | |
| US6930871B2 (en) | Lightning arrester device for low-voltage network | |
| US7755873B2 (en) | Device for protection against voltage surges with parallel simultaneously triggered spark-gaps | |
| US5880919A (en) | Gas tube surge protector with interacting varistors | |
| JP2001190023A (ja) | 低電圧回路網用の避雷器装置 | |
| CA1129487A (en) | Overvoltage protection device | |
| JPH0145812B2 (enrdf_load_stackoverflow) | ||
| US20050063118A1 (en) | Multipole overvoltage protection system and method for the reliable operation of a multipole overvoltage protection system | |
| JPH0145816B2 (enrdf_load_stackoverflow) | ||
| JP2549149B2 (ja) | サージ保護回路 | |
| JP2002354662A (ja) | 雷防護回路 | |
| EP0185777A1 (en) | Safety circuit system for overvoltage protection of multi-wire lines | |
| JP3253324B2 (ja) | サージ保護回路方式 | |
| JPH0729712Y2 (ja) | サージ保護装置 | |
| KR102582296B1 (ko) | 엘이디 조명용 서지 보호 장치 | |
| WO1985000473A1 (en) | Telecommunication system surge protection device | |
| JPH0984258A (ja) | 通信用保護回路 | |
| JP2783150B2 (ja) | 正特性サーミスタ素子及びそれを用いた電信電話用端末装置 | |
| JP3473819B2 (ja) | 雷防護アダプタ | |
| KR890002311B1 (ko) | 과전압 보호 회로 | |
| JPH07184319A (ja) | 保護回路 | |
| JP2619601B2 (ja) | 避雷碍子装置 | |
| JPH0336207Y2 (enrdf_load_stackoverflow) | ||
| US5424901A (en) | Sidactor fail-safe device | |
| JP2000224718A (ja) | 雷保護装置及びそれを備えた接地端子盤 |