JPS6251058B2 - - Google Patents
Info
- Publication number
- JPS6251058B2 JPS6251058B2 JP7316280A JP7316280A JPS6251058B2 JP S6251058 B2 JPS6251058 B2 JP S6251058B2 JP 7316280 A JP7316280 A JP 7316280A JP 7316280 A JP7316280 A JP 7316280A JP S6251058 B2 JPS6251058 B2 JP S6251058B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- frequency
- counting
- relay
- period
- 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
- 230000010355 oscillation Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims 2
- 239000013256 coordination polymer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 6
- 238000011084 recovery Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7316280A JPS5720A (en) | 1980-05-31 | 1980-05-31 | Digital frequency relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7316280A JPS5720A (en) | 1980-05-31 | 1980-05-31 | Digital frequency relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5720A JPS5720A (en) | 1982-01-05 |
| JPS6251058B2 true JPS6251058B2 (enrdf_load_stackoverflow) | 1987-10-28 |
Family
ID=13510187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7316280A Granted JPS5720A (en) | 1980-05-31 | 1980-05-31 | Digital frequency relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5720A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6281925A (ja) * | 1985-10-01 | 1987-04-15 | 株式会社高岳製作所 | デイジタル形地絡方向継電器および変化量検出方式 |
| JPH01265839A (ja) * | 1988-04-15 | 1989-10-23 | Nichimo Co Ltd | 定置網 |
-
1980
- 1980-05-31 JP JP7316280A patent/JPS5720A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5720A (en) | 1982-01-05 |
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