JPH03101137U - - Google Patents
Info
- Publication number
- JPH03101137U JPH03101137U JP876790U JP876790U JPH03101137U JP H03101137 U JPH03101137 U JP H03101137U JP 876790 U JP876790 U JP 876790U JP 876790 U JP876790 U JP 876790U JP H03101137 U JPH03101137 U JP H03101137U
- Authority
- JP
- Japan
- Prior art keywords
- adapter
- voltage
- secondary battery
- power
- state
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係る充電回路の一実施例を示
す回路図、第２図は従来の充電回路を示す回路図
、第３図は二次電池の充電特性を示す特性図であ
る。
１……電子機器本体、２……二次電池、３……
電源スイツチ、５……ＡＣアダプタジヤツク、６
……ダイオード、７……抵抗、２０……電源回路
。
FIG. 1 is a circuit diagram showing an embodiment of a charging circuit according to the present invention, FIG. 2 is a circuit diagram showing a conventional charging circuit, and FIG. 3 is a characteristic diagram showing charging characteristics of a secondary battery. 1...Electronic device body, 2...Secondary battery, 3...
Power switch, 5... AC adapter jack, 6
...Diode, 7...Resistor, 20...Power supply circuit.
Claims (1)
つ電源ＯＦＦ時には前記二次電池を充電状態に切
換える電源スイツチと、 商用交流電源を整流して直流電圧を発生するＡ
Ｃアダプタを接続可能であり、前記電源スイツチ
のＯＮ時に、前記ＡＣアダプタの接続及び非接続
の状態に応じて前記ＡＣアダプタからの直流電圧
と前記二次電池の出力電圧とを選択的に負荷に供
給するようにしたＡＣアダプタジヤツクと、 前記ＡＣアダプタからの出力電圧を前記二次電
池の一極に印加するダイオードと、 ＯＦＦ状態の前記電源スイツチを介して前記Ａ
Ｃアダプタからの直流電圧が入力され、これに基
づき発生した新たな直流電圧を前記二次電池の他
極に印加する充電用電源回路とを具備したことを
特徴とする充電回路。[Claims for Utility Model Registration] A secondary battery, a power switch that switches between a power OFF state and a power ON state, and switches the secondary battery to a charging state when the power is OFF, and a DC voltage obtained by rectifying a commercial AC power source. A that generates
A C adapter can be connected, and when the power switch is turned on, the DC voltage from the AC adapter and the output voltage of the secondary battery are selectively applied to the load depending on the connected or disconnected state of the AC adapter. an AC adapter jack configured to supply voltage to the AC adapter; a diode that applies output voltage from the AC adapter to one pole of the secondary battery; and a diode that applies the output voltage from the AC adapter to one pole of the secondary battery;
A charging circuit comprising: a charging power supply circuit that receives a DC voltage from a C adapter and applies a new DC voltage generated based on the DC voltage to the other electrode of the secondary battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP876790U JP2525457Y2 (en) | 1990-01-30 | 1990-01-30 | Charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP876790U JP2525457Y2 (en) | 1990-01-30 | 1990-01-30 | Charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03101137U true JPH03101137U (en) | 1991-10-22 |
| JP2525457Y2 JP2525457Y2 (en) | 1997-02-12 |
Family
ID=31512388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP876790U Expired - Lifetime JP2525457Y2 (en) | 1990-01-30 | 1990-01-30 | Charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2525457Y2 (en) |
-
1990
- 1990-01-30 JP JP876790U patent/JP2525457Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2525457Y2 (en) | 1997-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH03101137U (en) | ||
| JPS62107591U (en) | ||
| JPH0434890U (en) | ||
| JPH01159552U (en) | ||
| JPS63187540U (en) | ||
| JPH0311339U (en) | ||
| JPH02136497U (en) | ||
| JPS6354245U (en) | ||
| JPS61112416U (en) | ||
| JPH0268642U (en) | ||
| JPS6248127U (en) | ||
| JPH01138221U (en) | ||
| JPH02133035U (en) | ||
| JPS6437346U (en) | ||
| JPH03111144U (en) | ||
| JPH02103742U (en) | ||
| JPH0214250U (en) | ||
| JPH0334645U (en) | ||
| JPS63155656U (en) | ||
| JPS63130810U (en) | ||
| JPS62202031U (en) | ||
| JPH0334636U (en) | ||
| JPH02114351U (en) | ||
| JPH01159550U (en) | ||
| JPS59178626U (en) | Charging stop device for flash discharge light emitters |