JPH0237549U - - Google Patents
Info
- Publication number
- JPH0237549U JPH0237549U JP11454188U JP11454188U JPH0237549U JP H0237549 U JPH0237549 U JP H0237549U JP 11454188 U JP11454188 U JP 11454188U JP 11454188 U JP11454188 U JP 11454188U JP H0237549 U JPH0237549 U JP H0237549U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power
- power supply
- line
- 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
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係るバツテリバツクアツプ回
路の一実施例を示す図、第２図は従来例を示す図
、第３図は第１図及び第２図のタイムチヤートで
ある。
１…第１電源、３…切替回路、４…バツテリ、
５…電子回路（メモリ）、６…第１電源、Ｑ１…
スイツチ手段、１０…制御回路。
FIG. 1 is a diagram showing an embodiment of a battery backup circuit according to the present invention, FIG. 2 is a diagram showing a conventional example, and FIG. 3 is a time chart of FIGS. 1 and 2. 1...First power supply, 3...Switching circuit, 4...Battery,
5...Electronic circuit (memory), 6...First power supply, Q1...
Switch means, 10...control circuit.
Claims (1)
回路５に供給し、電源ラインに異常が生じた場合
、バツテリの電圧を電子回路５に供給するように
した装置において、 電源ラインから電力を受け、スイツチ手段Ｑ１
を介して電子回路５に直流電圧を供給する第１電
源と、 電源ラインから電力を受け、直流電圧を出力す
る第２電源と、 第１電源の出力電圧レベルが正常な場合、切替
回路を介して第２電源の直流電圧が印加され、第
１電源の出力電圧レベルが異常な場合、切替回路
を介してその出力電圧を前記電子回路５に加える
バツテリと、 第１電源の出力電圧が正常な電圧レベルになつ
た時、前記スイツチ手段Ｑ１をオンにする制御回
路と、 を備えたバツテリバツクアツプ回路。[Scope of Claim for Utility Model Registration] A device that generates DC voltage from a power line and supplies it to the electronic circuit 5, and when an abnormality occurs in the power line, battery voltage is supplied to the electronic circuit 5. Receives power from the line and switches means Q1
a first power supply that supplies DC voltage to the electronic circuit 5 via the power supply line; a second power supply that receives power from the power supply line and outputs the DC voltage; and when the output voltage level of the first power supply is normal, When the DC voltage of the second power source is applied and the output voltage level of the first power source is abnormal, a battery that applies the output voltage to the electronic circuit 5 via the switching circuit and a battery that applies the output voltage of the first power source to the A battery backup circuit comprising: a control circuit that turns on the switching means Q1 when the voltage level is reached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11454188U JPH0237549U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11454188U JPH0237549U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237549U true JPH0237549U (en) | 1990-03-13 |
Family
ID=31355386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11454188U Pending JPH0237549U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237549U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432685A (en) * | 1977-08-17 | 1979-03-10 | Kanebo Ltd | Method and apparatus for filling and molding powder material |
-
1988
- 1988-08-31 JP JP11454188U patent/JPH0237549U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432685A (en) * | 1977-08-17 | 1979-03-10 | Kanebo Ltd | Method and apparatus for filling and molding powder material |
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