JPH03119225U - - Google Patents
Info
- Publication number
- JPH03119225U JPH03119225U JP2847090U JP2847090U JPH03119225U JP H03119225 U JPH03119225 U JP H03119225U JP 2847090 U JP2847090 U JP 2847090U JP 2847090 U JP2847090 U JP 2847090U JP H03119225 U JPH03119225 U JP H03119225U
- Authority
- JP
- Japan
- Prior art keywords
- battery
- reference voltage
- backup
- power source
- comparison
- 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 3
- 238000000034 method Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Power Sources (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2847090U JPH03119225U (2) | 1990-03-20 | 1990-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2847090U JPH03119225U (2) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03119225U true JPH03119225U (2) | 1991-12-09 |
Family
ID=31531270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2847090U Pending JPH03119225U (2) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03119225U (2) |
-
1990
- 1990-03-20 JP JP2847090U patent/JPH03119225U/ja active Pending
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