JPH02133671U - - Google Patents
Info
- Publication number
- JPH02133671U JPH02133671U JP4381389U JP4381389U JPH02133671U JP H02133671 U JPH02133671 U JP H02133671U JP 4381389 U JP4381389 U JP 4381389U JP 4381389 U JP4381389 U JP 4381389U JP H02133671 U JPH02133671 U JP H02133671U
- Authority
- JP
- Japan
- Prior art keywords
- input voltage
- power failure
- photocoupler
- detection circuit
- light emitting
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4381389U JPH02133671U (ru) | 1989-04-13 | 1989-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4381389U JPH02133671U (ru) | 1989-04-13 | 1989-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02133671U true JPH02133671U (ru) | 1990-11-06 |
Family
ID=31556548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4381389U Pending JPH02133671U (ru) | 1989-04-13 | 1989-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02133671U (ru) |
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1989
- 1989-04-13 JP JP4381389U patent/JPH02133671U/ja active Pending