JPS6351534U - - Google Patents
Info
- Publication number
- JPS6351534U JPS6351534U JP14407786U JP14407786U JPS6351534U JP S6351534 U JPS6351534 U JP S6351534U JP 14407786 U JP14407786 U JP 14407786U JP 14407786 U JP14407786 U JP 14407786U JP S6351534 U JPS6351534 U JP S6351534U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- diode
- capacitor
- backup
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stand-By Power Supply Arrangements (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は従来のバツクアツプ用電源回路の構成図であ
る。
１……回路電源、２……バツクアツプ部品、３
，５……ダイオード、４……バツクアツプ用電池
、６……逆流防止用ダイオード、１Ａ……コンデ
ンサ、１Ｂ……電流制限用抵抗、１Ｃ……ダイオ
ード。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a configuration diagram of a conventional backup power supply circuit. 1... Circuit power supply, 2... Backup parts, 3
, 5... Diode, 4... Backup battery, 6... Diode for backflow prevention, 1A... Capacitor, 1B... Current limiting resistor, 1C... Diode.
Claims (1)
バツクアツプ用電池からの電圧が供給されるバツ
クアツプ用電源回路において、 回路電源に逆流防止用ダイオードと電流制限用
抵抗を介して接続されるコンデンサと、上記コン
デンサと上記バツクアツプ用電池に接続されたダ
イオードのカソードとの間にコンデンサからバツ
クアツプ用電池に向う方向を順方向として接続さ
れるダイオードとを設けたことを特徴とするバツ
クアツプ用電源回路。[Scope of claim for utility model registration] When the voltage of the circuit power supply drops below a specified voltage,
In a backup power supply circuit that is supplied with voltage from a backup battery, a capacitor is connected to the circuit power supply via a backflow prevention diode and a current limiting resistor, and a diode is connected to the capacitor and the backup battery. A backup power supply circuit characterized in that a diode is provided between the cathode and the diode connected with the forward direction pointing from the capacitor to the backup battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14407786U JPS6351534U (en) | 1986-09-22 | 1986-09-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14407786U JPS6351534U (en) | 1986-09-22 | 1986-09-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6351534U true JPS6351534U (en) | 1988-04-07 |
Family
ID=31054354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14407786U Pending JPS6351534U (en) | 1986-09-22 | 1986-09-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6351534U (en) |
-
1986
- 1986-09-22 JP JP14407786U patent/JPS6351534U/ja active Pending