JPS57110022A - Direction comparison relay unit - Google Patents
Direction comparison relay unitInfo
- Publication number
- JPS57110022A JPS57110022A JP55188946A JP18894680A JPS57110022A JP S57110022 A JPS57110022 A JP S57110022A JP 55188946 A JP55188946 A JP 55188946A JP 18894680 A JP18894680 A JP 18894680A JP S57110022 A JPS57110022 A JP S57110022A
- Authority
- JP
- Japan
- Prior art keywords
- relay unit
- direction comparison
- comparison relay
- unit
- relay
- 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 |
---|---|---|---|
JP55188946A JPS57110022A (en) | 1980-12-26 | 1980-12-26 | Direction comparison relay unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55188946A JPS57110022A (en) | 1980-12-26 | 1980-12-26 | Direction comparison relay unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57110022A true JPS57110022A (en) | 1982-07-08 |
JPS6320087B2 JPS6320087B2 (en) | 1988-04-26 |
Family
ID=16232673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55188946A Granted JPS57110022A (en) | 1980-12-26 | 1980-12-26 | Direction comparison relay unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57110022A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH049972U (en) * | 1990-05-14 | 1992-01-28 |
-
1980
- 1980-12-26 JP JP55188946A patent/JPS57110022A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6320087B2 (en) | 1988-04-26 |
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