JPH0253238U - - Google Patents
Info
- Publication number
- JPH0253238U JPH0253238U JP13061988U JP13061988U JPH0253238U JP H0253238 U JPH0253238 U JP H0253238U JP 13061988 U JP13061988 U JP 13061988U JP 13061988 U JP13061988 U JP 13061988U JP H0253238 U JPH0253238 U JP H0253238U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- circuit
- backup power
- main power
- voltage
- 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
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の一実施例の回路図、第２図、
第３図は本考案の一実施例の動作を説明するため
の図、第４図は従来の一例の回路図である。
１…バツクアツプ電源、２…制御回路、３…主
電源部。
Figure 1 is a circuit diagram of an embodiment of the present invention; Figure 2 is a circuit diagram of an embodiment of the present invention;
FIG. 3 is a diagram for explaining the operation of an embodiment of the present invention, and FIG. 4 is a circuit diagram of a conventional example. 1...Backup power supply, 2...Control circuit, 3...Main power supply section.
Claims (1)
ツクアツプ電源回路において、 前記回路に前記回路の最大定格付近の電圧を印
加するよう設定されたバツクアツプ電源と、 前記主電源断時に、前記バツクアツプ電源から
前記回路に印加される電圧が電圧降下なく、前記
主電源投入時に前記主電源から前記回路に印加さ
れる電圧より前記回路の最大定格付近の電圧まで
上昇するよう前記バツクアツプ電源の供給を制御
する制御回路とを具備してなるバツクアツプ電源
回路。[Claims for Utility Model Registration] In a backup power supply circuit that applies voltage to a circuit when the main power supply is cut off, the backup power supply is set to apply a voltage near the maximum rating of the circuit to the circuit; When the main power supply is turned off, the voltage applied to the circuit from the backup power supply does not drop, and when the main power supply is turned on, the voltage applied to the circuit from the main power supply increases to a voltage near the maximum rating of the circuit. A backup power supply circuit comprising: a control circuit for controlling supply of the backup power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13061988U JPH0253238U (en) | 1988-10-05 | 1988-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13061988U JPH0253238U (en) | 1988-10-05 | 1988-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0253238U true JPH0253238U (en) | 1990-04-17 |
Family
ID=31385953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13061988U Pending JPH0253238U (en) | 1988-10-05 | 1988-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0253238U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5572223A (en) * | 1978-11-27 | 1980-05-30 | Matsushita Electric Ind Co Ltd | Power circuit |
-
1988
- 1988-10-05 JP JP13061988U patent/JPH0253238U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5572223A (en) * | 1978-11-27 | 1980-05-30 | Matsushita Electric Ind Co Ltd | Power circuit |