JPS6217458B2 - - Google Patents
Info
- Publication number
- JPS6217458B2 JPS6217458B2 JP15307380A JP15307380A JPS6217458B2 JP S6217458 B2 JPS6217458 B2 JP S6217458B2 JP 15307380 A JP15307380 A JP 15307380A JP 15307380 A JP15307380 A JP 15307380A JP S6217458 B2 JPS6217458 B2 JP S6217458B2
- Authority
- JP
- Japan
- Prior art keywords
- fuse
- discharge
- circuit
- current
- lightning protection
- 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
- 238000010438 heat treatment Methods 0.000 claims description 15
- 230000035939 shock Effects 0.000 claims description 9
- 230000002459 sustained effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 2
- 238000007664 blowing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000743 fusible alloy Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction 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 |
|---|---|---|---|
| JP15307380A JPS5778323A (en) | 1980-10-31 | 1980-10-31 | Fault current breaking system in telephone subscriber's safety circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15307380A JPS5778323A (en) | 1980-10-31 | 1980-10-31 | Fault current breaking system in telephone subscriber's safety circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5778323A JPS5778323A (en) | 1982-05-17 |
| JPS6217458B2 true JPS6217458B2 (enrdf_load_stackoverflow) | 1987-04-17 |
Family
ID=15554381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15307380A Granted JPS5778323A (en) | 1980-10-31 | 1980-10-31 | Fault current breaking system in telephone subscriber's safety circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5778323A (enrdf_load_stackoverflow) |
-
1980
- 1980-10-31 JP JP15307380A patent/JPS5778323A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5778323A (en) | 1982-05-17 |
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