JPS57180318A - Automatic inspection system for frequency protective relay unit - Google Patents
Automatic inspection system for frequency protective relay unitInfo
- Publication number
- JPS57180318A JPS57180318A JP56063830A JP6383081A JPS57180318A JP S57180318 A JPS57180318 A JP S57180318A JP 56063830 A JP56063830 A JP 56063830A JP 6383081 A JP6383081 A JP 6383081A JP S57180318 A JPS57180318 A JP S57180318A
- Authority
- JP
- Japan
- Prior art keywords
- inspection system
- relay unit
- protective relay
- automatic inspection
- frequency protective
- 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.)
- Granted
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56063830A JPS57180318A (en) | 1981-04-27 | 1981-04-27 | Automatic inspection system for frequency protective relay unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56063830A JPS57180318A (en) | 1981-04-27 | 1981-04-27 | Automatic inspection system for frequency protective relay unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57180318A true JPS57180318A (en) | 1982-11-06 |
JPH0127643B2 JPH0127643B2 (en]) | 1989-05-30 |
Family
ID=13240656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56063830A Granted JPS57180318A (en) | 1981-04-27 | 1981-04-27 | Automatic inspection system for frequency protective relay unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57180318A (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5305028A (en) * | 1990-04-24 | 1994-04-19 | Hitoshi Okano | Multifocal lens provided with progressive focal segment |
-
1981
- 1981-04-27 JP JP56063830A patent/JPS57180318A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5305028A (en) * | 1990-04-24 | 1994-04-19 | Hitoshi Okano | Multifocal lens provided with progressive focal segment |
Also Published As
Publication number | Publication date |
---|---|
JPH0127643B2 (en]) | 1989-05-30 |
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