JPS60155212U - Power supply muting circuit - Google Patents
Power supply muting circuitInfo
- Publication number
- JPS60155212U JPS60155212U JP4290484U JP4290484U JPS60155212U JP S60155212 U JPS60155212 U JP S60155212U JP 4290484 U JP4290484 U JP 4290484U JP 4290484 U JP4290484 U JP 4290484U JP S60155212 U JPS60155212 U JP S60155212U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power supply
- muting
- time constant
- capacitor
- 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
- Amplifiers (AREA)
- Noise Elimination (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
図面は何れも電源ミューティング回路を示す図であり、
第１図は従来例を示す図、第２図は本考案の実施例を示
す図である。All drawings are diagrams showing power supply muting circuits.
FIG. 1 is a diagram showing a conventional example, and FIG. 2 is a diagram showing an embodiment of the present invention.
Claims (1)
の出力にて充電されるコンデンサを含む。時定数回路と
、この時定数回路の出力側に接続されたスイッチングト
ランジスタ回路とを有し、このスイッチングトランジス
タ回路の出力をミューティング制御信号として利用する
電源ミューティング回路であって、 前記時定数回路に対して、電源スィッチに連動し、電源
スィッチがオンのとき前記時定数回路の一充電回路を構
成し、電源スィッチがオフのとき充電装態にある前記コ
ンデンサを急速放電すべく前記コンデンサを短絡するス
イッチが接続されていることを特徴とする電源ミューテ
ィング回路。[Claims for Utility Model Registration] Includes a full-wave rectifier circuit that rectifies AC power and a capacitor that is charged by the output of this full-wave rectifier circuit. A power supply muting circuit comprising a time constant circuit and a switching transistor circuit connected to the output side of the time constant circuit, the power supply muting circuit using the output of the switching transistor circuit as a muting control signal, the time constant circuit In contrast, when the power switch is on, the time constant circuit constitutes a charging circuit in conjunction with the power switch, and when the power switch is off, the capacitor is short-circuited in order to quickly discharge the capacitor in the charging device. A power supply muting circuit characterized in that a switch is connected to the power supply muting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4290484U JPS60155212U (en) | 1984-03-26 | 1984-03-26 | Power supply muting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4290484U JPS60155212U (en) | 1984-03-26 | 1984-03-26 | Power supply muting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60155212U true JPS60155212U (en) | 1985-10-16 |
Family
ID=30554074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4290484U Pending JPS60155212U (en) | 1984-03-26 | 1984-03-26 | Power supply muting circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60155212U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942627B2 (en) * | 1979-07-31 | 1984-10-16 | 豊田合成株式会社 | Radiation heat shielding transparent sheet |
-
1984
- 1984-03-26 JP JP4290484U patent/JPS60155212U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5942627B2 (en) * | 1979-07-31 | 1984-10-16 | 豊田合成株式会社 | Radiation heat shielding transparent sheet |
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