JPH0528056B2 - - Google Patents
Info
- Publication number
- JPH0528056B2 JPH0528056B2 JP60085384A JP8538485A JPH0528056B2 JP H0528056 B2 JPH0528056 B2 JP H0528056B2 JP 60085384 A JP60085384 A JP 60085384A JP 8538485 A JP8538485 A JP 8538485A JP H0528056 B2 JPH0528056 B2 JP H0528056B2
- Authority
- JP
- Japan
- Prior art keywords
- ground fault
- optical
- light
- lens
- sensor
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 19
- 230000003287 optical effect Effects 0.000 claims description 19
- 239000013307 optical fiber Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
Landscapes
- Protection Of Static Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60085384A JPS61244218A (ja) | 1985-04-23 | 1985-04-23 | 光方式地絡検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60085384A JPS61244218A (ja) | 1985-04-23 | 1985-04-23 | 光方式地絡検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61244218A JPS61244218A (ja) | 1986-10-30 |
| JPH0528056B2 true JPH0528056B2 (fr) | 1993-04-23 |
Family
ID=13857241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60085384A Granted JPS61244218A (ja) | 1985-04-23 | 1985-04-23 | 光方式地絡検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61244218A (fr) |
-
1985
- 1985-04-23 JP JP60085384A patent/JPS61244218A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61244218A (ja) | 1986-10-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| EXPY | Cancellation because of completion of term |