JPS6194927U - - Google Patents
Info
- Publication number
- JPS6194927U JPS6194927U JP17648684U JP17648684U JPS6194927U JP S6194927 U JPS6194927 U JP S6194927U JP 17648684 U JP17648684 U JP 17648684U JP 17648684 U JP17648684 U JP 17648684U JP S6194927 U JPS6194927 U JP S6194927U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- switching
- transistor
- main power
- 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
- 238000001514 detection method Methods 0.000 claims description 5
- 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
図は従来例の回路図である。
１…メイン電源、２…バイアス抵抗、３…メイ
ン電源のスイツチング電圧設定用のツエナーダイ
オード、４…電圧変動検出用のトランジスタ、５
…保護及びバイアス用の抵抗、６…メイン電源の
スイツチング用トランジスタ、８…補助電源、１
１…電源供給端子、１２…電圧変動検出信号のノ
イズ除去及び反転用のＣＭＳインバータ、１３
…電圧変動検出信号端子、１５…２つのトランジ
スタのスイツチングタイミングコントロール用ボ
リユーム。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram of a conventional example. 1... Main power supply, 2... Bias resistor, 3... Zener diode for setting switching voltage of main power supply, 4... Transistor for voltage fluctuation detection, 5
...Resistor for protection and bias, 6...Transistor for switching main power supply, 8...Auxiliary power supply, 1
1... Power supply terminal, 12... CMS inverter for noise removal and inversion of voltage fluctuation detection signal, 13
...Voltage fluctuation detection signal terminal, 15...Volume for switching timing control of two transistors.
Claims (1)
イツチング用のトランジスタと、電圧変動検出用
のトランジスタと、スイツチング電圧設定用ツエ
ナーダイオードと、前記２つのトランジスタのス
イツチングのタイミングをコントロールするため
のボリユームと補助電源とから成るバツテリーバ
ツクアツプ回路において電圧変動検出信号を、電
圧変動検出用のトランジスタのコレクタから取り
出し、メイン電源をオン・オフするスイツチング
用のトランジスタのコレクタからのメイン電源か
らの電圧と、そこに接続された補助電源からの電
圧との切換を行うことを特徴とした、バツテリー
バツクアツプ回路。 A main power supply, a transistor for switching the main power supply on and off, a transistor for detecting voltage fluctuations, a Zener diode for setting the switching voltage, a volume control and an auxiliary power supply for controlling the switching timing of the two transistors. In a battery backup circuit consisting of, a voltage fluctuation detection signal is extracted from the collector of a transistor for voltage fluctuation detection, and the voltage from the main power supply is connected to the collector of a switching transistor for turning on and off the main power supply. A battery backup circuit characterized by switching between the voltage from the auxiliary power source and the voltage from the auxiliary power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17648684U JPS6194927U (en) | 1984-11-20 | 1984-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17648684U JPS6194927U (en) | 1984-11-20 | 1984-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6194927U true JPS6194927U (en) | 1986-06-19 |
Family
ID=30734082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17648684U Pending JPS6194927U (en) | 1984-11-20 | 1984-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6194927U (en) |
-
1984
- 1984-11-20 JP JP17648684U patent/JPS6194927U/ja active Pending
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