JPS594041U - Power-off state detection circuit - Google Patents
Power-off state detection circuitInfo
- Publication number
- JPS594041U JPS594041U JP9774982U JP9774982U JPS594041U JP S594041 U JPS594041 U JP S594041U JP 9774982 U JP9774982 U JP 9774982U JP 9774982 U JP9774982 U JP 9774982U JP S594041 U JPS594041 U JP S594041U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power
- state detection
- detection circuit
- integrating
- 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
Landscapes
- Stand-By Power Supply Arrangements (AREA)
- Power Sources (AREA)
- Emergency Protection Circuit Devices (AREA)
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
第１図は本考案の実施例の回路図、第２図はそのタイム
チャートである。
図中、１は全波整流回路、２はトリガ信号発生回路、３
は積分回路、４はタイマである。FIG. 1 is a circuit diagram of an embodiment of the present invention, and FIG. 2 is a time chart thereof. In the figure, 1 is a full-wave rectifier circuit, 2 is a trigger signal generation circuit, and 3
is an integrating circuit, and 4 is a timer.
Claims (1)
的に接続され、該交流電源信号のレベル″ 、に一
対一対応してトリガ信号を発生する回路と、トリガ信号
を一定の時定数で積分する回路と、該積分回路の積分出
力をスライスして、電源断状態を検知出力する回路とを
備えて成る電源断状態検出回路。a rectifier circuit that rectifies an AC power signal; a circuit that is optically connected to the rectifier circuit and generates a trigger signal in one-to-one correspondence with the level of the AC power signal; and a circuit that generates a trigger signal with a constant time constant. A power-off state detection circuit comprising a circuit for integrating, and a circuit for slicing the integrated output of the integrating circuit and detecting and outputting a power-off state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9774982U JPS594041U (en) | 1982-06-29 | 1982-06-29 | Power-off state detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9774982U JPS594041U (en) | 1982-06-29 | 1982-06-29 | Power-off state detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS594041U true JPS594041U (en) | 1984-01-11 |
Family
ID=30232377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9774982U Pending JPS594041U (en) | 1982-06-29 | 1982-06-29 | Power-off state detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS594041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61183536U (en) * | 1985-05-07 | 1986-11-15 |
-
1982
- 1982-06-29 JP JP9774982U patent/JPS594041U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61183536U (en) * | 1985-05-07 | 1986-11-15 |
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