JPS61144741U - - Google Patents
Info
- Publication number
- JPS61144741U JPS61144741U JP2717585U JP2717585U JPS61144741U JP S61144741 U JPS61144741 U JP S61144741U JP 2717585 U JP2717585 U JP 2717585U JP 2717585 U JP2717585 U JP 2717585U JP S61144741 U JPS61144741 U JP S61144741U
- Authority
- JP
- Japan
- Prior art keywords
- adapter
- secondary battery
- load
- series
- switching transistor
- 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 2
Description
第１図は本考案の一実施例を示す回路図、第２
図は従来例を示す回路図である。
１１：ＡＣアダプタ、１３：定電流源、１４：
２次電池、１５：スイツチングトランジスタ、１
８：制御トランジスタ。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing a conventional example. 11: AC adapter, 13: Constant current source, 14:
Secondary battery, 15: Switching transistor, 1
8: Control transistor.
Claims (1)
Ｃアダプタと直列接続された定電流源と、負荷と
並列接続されて定電圧源としてのみ機能する２次
電池と、この２次電池と負荷との間に直列に挿入
されたスイツチングトランジスタと、前記ＡＣア
ダプタの出力によつて制御され前記スイツチング
トランジスタのスイツチングを制御する制御トラ
ンジスタとを具備したことを特徴とする直流電源
回路。 AC adapter that converts AC to DC and this A
A constant current source connected in series with the C adapter, a secondary battery connected in parallel with the load and functioning only as a constant voltage source, and a switching transistor inserted in series between the secondary battery and the load. A DC power supply circuit comprising: a control transistor that is controlled by the output of the AC adapter and controls switching of the switching transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717585U JPS61144741U (en) | 1985-02-28 | 1985-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2717585U JPS61144741U (en) | 1985-02-28 | 1985-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61144741U true JPS61144741U (en) | 1986-09-06 |
Family
ID=30523876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2717585U Pending JPS61144741U (en) | 1985-02-28 | 1985-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61144741U (en) |
-
1985
- 1985-02-28 JP JP2717585U patent/JPS61144741U/ja active Pending