JPS6284818U - - Google Patents
Info
- Publication number
- JPS6284818U JPS6284818U JP17535485U JP17535485U JPS6284818U JP S6284818 U JPS6284818 U JP S6284818U JP 17535485 U JP17535485 U JP 17535485U JP 17535485 U JP17535485 U JP 17535485U JP S6284818 U JPS6284818 U JP S6284818U
- Authority
- JP
- Japan
- Prior art keywords
- microcomputer
- commercial power
- input
- electronic device
- determine whether
- 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 3
Landscapes
- Power Sources (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図はその波形図、第３図はその電源切断判定動作
のフローチヤートである。
１……入力スイツチ回路、２……マイクロコン
ピユータ、２ａ……判定入力端子、３……メカニ
ズム駆動回路、９……電源回路。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figure is a waveform diagram, and FIG. 3 is a flowchart of the power cutoff determination operation. DESCRIPTION OF SYMBOLS 1...Input switch circuit, 2...Microcomputer, 2a...Judgment input terminal, 3...Mechanism drive circuit, 9...Power supply circuit.
Claims (1)
ータを商用電源によつて作動すると共に、該マイ
クロコンピユータにて商用電源の切断の有無の判
定を行なわせるようにした電子装置であつて、前
記マイクロコンピユータの判定入力端子に商用電
源を降圧整流した電圧を入力し、この判定入力端
子よりの入力を商用電源周波数またはその倍数の
周期とは異なる周期にて読み取り連続してＬレベ
ルを読み取つた時前記マイクロコンピユータにて
電源切断の判定を行なわせるように構成した事を
特徴とする電子装置。 An electronic device in which a microcomputer that controls the operation of various circuits is operated by commercial power, and the microcomputer is configured to determine whether or not the commercial power is disconnected, the microcomputer having a determination input. A voltage obtained by step-down rectification of the commercial power supply is input to the terminal, and the input from this judgment input terminal is read at a cycle different from the commercial power supply frequency or its multiple frequency. When the L level is continuously read, the microcomputer An electronic device characterized in that it is configured to determine whether to turn off the power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17535485U JPS6284818U (en) | 1985-11-14 | 1985-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17535485U JPS6284818U (en) | 1985-11-14 | 1985-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6284818U true JPS6284818U (en) | 1987-05-30 |
Family
ID=31114600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17535485U Pending JPS6284818U (en) | 1985-11-14 | 1985-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6284818U (en) |
-
1985
- 1985-11-14 JP JP17535485U patent/JPS6284818U/ja active Pending
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