JPS59104227U - Backup power supply circuit - Google Patents
Backup power supply circuitInfo
- Publication number
- JPS59104227U JPS59104227U JP19534382U JP19534382U JPS59104227U JP S59104227 U JPS59104227 U JP S59104227U JP 19534382 U JP19534382 U JP 19534382U JP 19534382 U JP19534382 U JP 19534382U JP S59104227 U JPS59104227 U JP S59104227U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- supply circuit
- backup power
- backup
- 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
Landscapes
- Power Sources (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の従来例を示す回路図、第２図は他の
従来例を示す向路図、第３図はこの考案の一実施例を示
す回路図である。
１０・・・電子機器、１１・・・メモリ回路、１２・・
・メモリを除く全回路、１３・・・電源スィッチ、２０
・・・バッテリイ、２１・・・バッファラフ電源用ライ
ン、２３・・・キースイッチ。FIG. 1 is a circuit diagram showing a conventional example of this invention, FIG. 2 is a route diagram showing another conventional example, and FIG. 3 is a circuit diagram showing an embodiment of this invention. 10...Electronic equipment, 11...Memory circuit, 12...
・All circuits except memory, 13...Power switch, 20
...Battery, 21...Buffer rough power supply line, 23...Key switch.
Claims (1)
を有するバックアップを必要としない第２の回路とを具
えた電子機器のバックアップ電源回路において、前記第
１の回路を第１−のダイオードを介して第１の電源端子
に接続し、前記第２の回路を前記電源スィッチを介して
第２の電源端子に接続するとともに前記第１の回路と前
記第２の電源端子との間に第２のダイオードを接続した
ことを特徴とするバックアップ電源回路。In a backup power supply circuit for an electronic device comprising a first circuit that requires backup and a second circuit that does not require backup and has a power switch, the first circuit is connected to the circuit through a first diode. A second diode is connected to the first power terminal, the second circuit is connected to the second power terminal via the power switch, and a second diode is connected between the first circuit and the second power terminal. A backup power supply circuit characterized in that a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19534382U JPS59104227U (en) | 1982-12-27 | 1982-12-27 | Backup power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19534382U JPS59104227U (en) | 1982-12-27 | 1982-12-27 | Backup power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59104227U true JPS59104227U (en) | 1984-07-13 |
Family
ID=30419590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19534382U Pending JPS59104227U (en) | 1982-12-27 | 1982-12-27 | Backup power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59104227U (en) |
-
1982
- 1982-12-27 JP JP19534382U patent/JPS59104227U/en active Pending
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