JPS6352319U - - Google Patents
Info
- Publication number
- JPS6352319U JPS6352319U JP14664186U JP14664186U JPS6352319U JP S6352319 U JPS6352319 U JP S6352319U JP 14664186 U JP14664186 U JP 14664186U JP 14664186 U JP14664186 U JP 14664186U JP S6352319 U JPS6352319 U JP S6352319U
- Authority
- JP
- Japan
- Prior art keywords
- input
- relay switch
- power
- control means
- acoustic
- 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 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Television Receiver Circuits (AREA)
- Control Of Electrical Variables (AREA)
Description
第1図はこの考案の一実施例の要部を示す構成
図、第2図は実施例の動作を示すタイミングチヤ
ート、第3図は従来装置の要部を示す構成図であ
る。
1……電源プラグ、2……主電源スイツチ、3
……電源リレー(リレースイツチ)、4……負荷
回路(音響負荷)、5……直流電源、6……トラ
ンジスタ、7……スタンバイスイツチ、10……
位相検出装置(制御手段)、11……交流電源電
圧、12……電源スタンバイ電圧、13……電源
リレー制御電圧。なお、図中同一符号は同一又は
相当部分を示す。
FIG. 1 is a block diagram showing the main parts of an embodiment of this invention, FIG. 2 is a timing chart showing the operation of the embodiment, and FIG. 3 is a block diagram showing the main parts of a conventional device. 1...Power plug, 2...Main power switch, 3
...Power relay (relay switch), 4...Load circuit (acoustic load), 5...DC power supply, 6...Transistor, 7...Standby switch, 10...
Phase detection device (control means), 11...AC power supply voltage, 12...Power standby voltage, 13...Power relay control voltage. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
供給される音響装置において、交流入力の位相を
検出し上記リレースイツチの動作タイミングを交
流入力のゼロ電圧時に設定する制御手段を備えた
ことを特徴とする音響装置。 An acoustic device in which an AC input is supplied to an acoustic load via a relay switch, characterized by comprising a control means for detecting the phase of the AC input and setting the operating timing of the relay switch at zero voltage of the AC input. sound equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14664186U JPS6352319U (en) | 1986-09-24 | 1986-09-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14664186U JPS6352319U (en) | 1986-09-24 | 1986-09-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6352319U true JPS6352319U (en) | 1988-04-08 |
Family
ID=31059297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14664186U Pending JPS6352319U (en) | 1986-09-24 | 1986-09-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6352319U (en) |
-
1986
- 1986-09-24 JP JP14664186U patent/JPS6352319U/ja active Pending