JPH02104741U - - Google Patents
Info
- Publication number
- JPH02104741U JPH02104741U JP1057389U JP1057389U JPH02104741U JP H02104741 U JPH02104741 U JP H02104741U JP 1057389 U JP1057389 U JP 1057389U JP 1057389 U JP1057389 U JP 1057389U JP H02104741 U JPH02104741 U JP H02104741U
- Authority
- JP
- Japan
- Prior art keywords
- power outage
- alarm
- detection circuit
- power
- timer
- 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 5
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1057389U JPH02104741U (en]) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1057389U JPH02104741U (en]) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02104741U true JPH02104741U (en]) | 1990-08-21 |
Family
ID=31218356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1057389U Pending JPH02104741U (en]) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02104741U (en]) |
-
1989
- 1989-01-31 JP JP1057389U patent/JPH02104741U/ja active Pending