JPS63114332U - - Google Patents
Info
- Publication number
- JPS63114332U JPS63114332U JP350787U JP350787U JPS63114332U JP S63114332 U JPS63114332 U JP S63114332U JP 350787 U JP350787 U JP 350787U JP 350787 U JP350787 U JP 350787U JP S63114332 U JPS63114332 U JP S63114332U
- Authority
- JP
- Japan
- Prior art keywords
- memory
- backup
- capacitor
- power supply
- battery
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Power Sources (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
本考案の実施例と従来例とのバツクアツプ特性線
図、第３図、第４図は本考案の他の実施例の回路
図、第５図、第６図は従来例の回路図である。
１……メモリ、２……電圧安定器、３……コン
デンサ、４……主電源、５，６，７……ダイオー
ド、８……二次電池、９，１０……抵抗器。
Figure 1 is a circuit diagram of one embodiment of the present invention, Figure 2 is a backup characteristic diagram of the embodiment of the present invention and a conventional example, and Figures 3 and 4 are circuits of other embodiments of the present invention. 5 and 6 are circuit diagrams of conventional examples. 1... Memory, 2... Voltage stabilizer, 3... Capacitor, 4... Main power supply, 5, 6, 7... Diode, 8... Secondary battery, 9, 10... Resistor.
Claims (1)
のバツクアツプを行なうメモリバツクアツプ電源
回路において、前記コンデンサまたは電池と前記
メモリとの間に電圧安定器を設けることによりバ
ツクアツプに必要最小限の電流を供給する様構成
したことを特徴とするバツクアツプ電源回路。 In a memory backup power supply circuit that performs memory backup using a charging voltage of a capacitor or a battery, a voltage stabilizer is provided between the capacitor or battery and the memory to supply the minimum necessary current for backup. A backup power supply circuit characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP350787U JPS63114332U (en) | 1987-01-16 | 1987-01-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP350787U JPS63114332U (en) | 1987-01-16 | 1987-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63114332U true JPS63114332U (en) | 1988-07-23 |
Family
ID=30783327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP350787U Pending JPS63114332U (en) | 1987-01-16 | 1987-01-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63114332U (en) |
-
1987
- 1987-01-16 JP JP350787U patent/JPS63114332U/ja active Pending