JPS59152945U - Power supply circuit for small electronic devices - Google Patents
Power supply circuit for small electronic devicesInfo
- Publication number
- JPS59152945U JPS59152945U JP4665883U JP4665883U JPS59152945U JP S59152945 U JPS59152945 U JP S59152945U JP 4665883 U JP4665883 U JP 4665883U JP 4665883 U JP4665883 U JP 4665883U JP S59152945 U JPS59152945 U JP S59152945U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- output terminal
- small electronic
- potential
- electronic devices
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図はこの考案の実施例である電源回路の回路図である。
１−電子カウンタ（小型電子機器）、Ｃ−キヤ、パシタ
、ＳＷ−ＭＯＳスイッチ素子、ｌＮ−ＣＭＯＳインバー
タ（出力電位検出回路）、Ｅｌ−外部電源、Ｅ２−内部
電源、Ｃ−制御用出力端子、ｄ、 ｅ−電源端子。The figure is a circuit diagram of a power supply circuit that is an embodiment of this invention. 1-Electronic counter (small electronic device), C-carrier, pacita, SW-MOS switch element, IN-CMOS inverter (output potential detection circuit), El-external power supply, E2-internal power supply, C-control output terminal, d, e-power terminal.
Claims (1)
端子間に接続された内部電源に並列的に接続したキャパ
シタと、このキャパシタと前記内部電源間に直列に介挿
したスイッチ素子と、前記制御用出力端子の電位を検出
し、その電位が低いとき前記スイッチ素子をオン状態）
こ設定する出力電位検出回路と、前記制御用出力端子の
電位が高いとき、その出力端子に直列に接続されている
外部電源に基づいて前記キャパシタに充電電流を流入す
る充電電流流入経路と、を備えてなる小型電子機器の電
源回路。In a small electronic device having an output terminal for control, a capacitor connected in parallel to an internal power supply connected between the power supply terminals, a switch element inserted in series between the capacitor and the internal power supply, and a switch element for the control. Detects the potential of the output terminal and turns on the switch element when the potential is low)
an output potential detection circuit for setting the control output terminal; and a charging current inflow path that causes a charging current to flow into the capacitor based on an external power supply connected in series to the output terminal when the potential of the control output terminal is high. Power supply circuit for small electronic devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4665883U JPS59152945U (en) | 1983-03-30 | 1983-03-30 | Power supply circuit for small electronic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4665883U JPS59152945U (en) | 1983-03-30 | 1983-03-30 | Power supply circuit for small electronic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59152945U true JPS59152945U (en) | 1984-10-13 |
Family
ID=30177210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4665883U Pending JPS59152945U (en) | 1983-03-30 | 1983-03-30 | Power supply circuit for small electronic devices |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59152945U (en) |
-
1983
- 1983-03-30 JP JP4665883U patent/JPS59152945U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59152945U (en) | Power supply circuit for small electronic devices | |
| JPS6013476U (en) | Contact signal line disconnection detection circuit | |
| JPS5953642U (en) | Battery-less power supply circuit for small electronic devices | |
| JPS58155142U (en) | Power-on detection circuit | |
| JPS5999638U (en) | rechargeable sieve | |
| JPS59187234U (en) | switch circuit | |
| JPS58121197U (en) | Motor low speed operation circuit | |
| JPS5839696U (en) | gas leak alarm | |
| JPS58196547U (en) | charging device | |
| JPS5920158U (en) | Engine speed detection device | |
| JPS6071945U (en) | Microcomputer initialization circuit | |
| JPS58113136U (en) | Microcomputer reset circuit | |
| JPS6051743U (en) | power supply | |
| JPS58183044U (en) | power circuit | |
| JPS58189972U (en) | voltage detection circuit | |
| JPS60108768U (en) | Capacitor charging/discharging engine ignition system | |
| JPS5963851U (en) | Tape running speed reference voltage generation circuit | |
| JPS5911536U (en) | Timer circuit for intermittent operation | |
| JPS59108926U (en) | reset circuit | |
| JPS59103536U (en) | Over-discharge prevention circuit for small DC motor drive batteries | |
| JPS61330U (en) | Power-on reset circuit | |
| JPS6052528U (en) | Initial reset circuit | |
| JPS5981019U (en) | Capacitor charge/discharge detection discharge device | |
| JPS5996941U (en) | DC 2-wire proximity switch | |
| JPS58110866U (en) | battery simulator |