JPS61122573U - - Google Patents
Info
- Publication number
- JPS61122573U JPS61122573U JP547185U JP547185U JPS61122573U JP S61122573 U JPS61122573 U JP S61122573U JP 547185 U JP547185 U JP 547185U JP 547185 U JP547185 U JP 547185U JP S61122573 U JPS61122573 U JP S61122573U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- detection switch
- backup power
- voltage
- comparison means
- 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 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は、この考案の一実施例を示す構成説明
図、第２図、第３図は、動作説明図である。
１…バツクアツプ電源、２…メモリ、３…検出
回路、４…制御手段、Ｓ１…選択スイツチ、Ｓ２
…検出スイツチ、Ｃ…比較手段。
FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention, and FIGS. 2 and 3 are operation explanatory diagrams. DESCRIPTION OF SYMBOLS 1... Backup power supply, 2... Memory, 3... Detection circuit, 4... Control means, S1 ... Selection switch, S2
...Detection switch, C...Comparison means.
Claims (1)
この検出スイツチがオンのときバツクアツプ電源
の電圧が一定電圧以下になつたかどうかを検出す
る比較手段と、前記検出スイツチを所定の時刻に
のみオンとし、そのときの比較手段出力からバツ
クアツプ電源の状態を判別する制御手段とを備え
たことを特徴とする電源電圧検出装置。 a detection switch connected to a backup power supply;
A comparison means detects whether the voltage of the backup power supply has fallen below a certain voltage when the detection switch is on, and the detection switch is turned on only at a predetermined time, and the state of the backup power supply is determined from the output of the comparison means at that time. A power supply voltage detection device comprising: a control means for determining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP547185U JPS61122573U (en) | 1985-01-19 | 1985-01-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP547185U JPS61122573U (en) | 1985-01-19 | 1985-01-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61122573U true JPS61122573U (en) | 1986-08-01 |
Family
ID=30482007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP547185U Pending JPS61122573U (en) | 1985-01-19 | 1985-01-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61122573U (en) |
-
1985
- 1985-01-19 JP JP547185U patent/JPS61122573U/ja active Pending