JPH0143326B2 - - Google Patents
Info
- Publication number
- JPH0143326B2 JPH0143326B2 JP57133463A JP13346382A JPH0143326B2 JP H0143326 B2 JPH0143326 B2 JP H0143326B2 JP 57133463 A JP57133463 A JP 57133463A JP 13346382 A JP13346382 A JP 13346382A JP H0143326 B2 JPH0143326 B2 JP H0143326B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- terminal
- transistor
- ram
- 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
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Power Sources (AREA)
- Static Random-Access Memory (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Stand-By Power Supply Arrangements (AREA)
- Direct Current Feeding And Distribution (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133463A JPS5924323A (ja) | 1982-07-29 | 1982-07-29 | メモリ−バツクアツプ回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133463A JPS5924323A (ja) | 1982-07-29 | 1982-07-29 | メモリ−バツクアツプ回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5924323A JPS5924323A (ja) | 1984-02-08 |
| JPH0143326B2 true JPH0143326B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-09-20 |
Family
ID=15105367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57133463A Granted JPS5924323A (ja) | 1982-07-29 | 1982-07-29 | メモリ−バツクアツプ回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5924323A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1982
- 1982-07-29 JP JP57133463A patent/JPS5924323A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5924323A (ja) | 1984-02-08 |