JPS6217456B2 - - Google Patents
Info
- Publication number
- JPS6217456B2 JPS6217456B2 JP15307080A JP15307080A JPS6217456B2 JP S6217456 B2 JPS6217456 B2 JP S6217456B2 JP 15307080 A JP15307080 A JP 15307080A JP 15307080 A JP15307080 A JP 15307080A JP S6217456 B2 JPS6217456 B2 JP S6217456B2
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- arrester
- voltage
- circuit
- discharge
- 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
- 230000035939 shock Effects 0.000 description 9
- 238000007664 blowing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Structure Of Telephone Exchanges (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15307080A JPS5778320A (en) | 1980-10-31 | 1980-10-31 | Safety circuit for telephone subscriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15307080A JPS5778320A (en) | 1980-10-31 | 1980-10-31 | Safety circuit for telephone subscriber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5778320A JPS5778320A (en) | 1982-05-17 |
| JPS6217456B2 true JPS6217456B2 (enrdf_load_stackoverflow) | 1987-04-17 |
Family
ID=15554321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15307080A Granted JPS5778320A (en) | 1980-10-31 | 1980-10-31 | Safety circuit for telephone subscriber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5778320A (enrdf_load_stackoverflow) |
-
1980
- 1980-10-31 JP JP15307080A patent/JPS5778320A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5778320A (en) | 1982-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6157529A (en) | Basic surge protector | |
| US2158859A (en) | Electric protective system and apparatus | |
| EP0186939A2 (en) | Circuit arrangements | |
| US7755873B2 (en) | Device for protection against voltage surges with parallel simultaneously triggered spark-gaps | |
| EA006997B1 (ru) | Схема защиты от перенапряжений | |
| US4158109A (en) | Interference insensitive line supervision circuit | |
| JPS646598B2 (enrdf_load_stackoverflow) | ||
| JPS6217456B2 (enrdf_load_stackoverflow) | ||
| CN205829164U (zh) | 一种带遥信端子的spd防雷器 | |
| JP3420702B2 (ja) | 通信機器用雷防護回路 | |
| US4106070A (en) | Hazardous voltage protector for telephone line | |
| US20050073793A1 (en) | Dual stage current limiting surge protector system | |
| JPS58107023A (ja) | 電話保護システム | |
| JPS6217457B2 (enrdf_load_stackoverflow) | ||
| US4340921A (en) | HVDC Power transmission system with metallic return conductor | |
| US20070025549A1 (en) | Telephone interface circuit | |
| JP3253003B2 (ja) | 雷防護アダプタ | |
| JPS598422Y2 (ja) | サ−ジ吸収回路 | |
| US4164632A (en) | Signalling system for overvoltage protectors | |
| KR0159728B1 (ko) | 전용선을 가지는 사설교환기의 과전압 차단회로 | |
| JPH03852Y2 (enrdf_load_stackoverflow) | ||
| JPS6213394Y2 (enrdf_load_stackoverflow) | ||
| JPH1141798A (ja) | 雷防護アダプタ | |
| KR910005415Y1 (ko) | 과전압 및 과전류에 대한 회로보호 및 열화방지회로 | |
| JPS6217455B2 (enrdf_load_stackoverflow) |