JPH0461554B2 - - Google Patents
Info
- Publication number
- JPH0461554B2 JPH0461554B2 JP62060403A JP6040387A JPH0461554B2 JP H0461554 B2 JPH0461554 B2 JP H0461554B2 JP 62060403 A JP62060403 A JP 62060403A JP 6040387 A JP6040387 A JP 6040387A JP H0461554 B2 JPH0461554 B2 JP H0461554B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- frequency
- power
- line
- voltage
- 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
- 238000012544 monitoring process Methods 0.000 claims description 21
- 238000012806 monitoring device Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Landscapes
- Selective Calling Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62060403A JPS63226181A (ja) | 1987-03-16 | 1987-03-16 | 線路状態監視方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62060403A JPS63226181A (ja) | 1987-03-16 | 1987-03-16 | 線路状態監視方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63226181A JPS63226181A (ja) | 1988-09-20 |
JPH0461554B2 true JPH0461554B2 (de) | 1992-10-01 |
Family
ID=13141169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62060403A Granted JPS63226181A (ja) | 1987-03-16 | 1987-03-16 | 線路状態監視方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63226181A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03226235A (ja) * | 1990-01-31 | 1991-10-07 | Nec Corp | 給電装置及び中継器 |
-
1987
- 1987-03-16 JP JP62060403A patent/JPS63226181A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS63226181A (ja) | 1988-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
LAPS | Cancellation because of no payment of annual fees |