JPH032722U - - Google Patents
Info
- Publication number
- JPH032722U JPH032722U JP6165489U JP6165489U JPH032722U JP H032722 U JPH032722 U JP H032722U JP 6165489 U JP6165489 U JP 6165489U JP 6165489 U JP6165489 U JP 6165489U JP H032722 U JPH032722 U JP H032722U
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- signal
- section
- amplifier
- input
- 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 3
- 230000005236 sound signal Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例の電気回路図、第２
図は従来回路の電気回路図である。 Ａ……増幅器、ＳＰ……スピーカ、Ｒｅ……電
源回路、ＳＷ……電源スイツチ部、ＳＤ……信号
検出部、ＳＣ……スイツチ制御部。
図は従来回路の電気回路図である。 Ａ……増幅器、ＳＰ……スピーカ、Ｒｅ……電
源回路、ＳＷ……電源スイツチ部、ＳＤ……信号
検出部、ＳＣ……スイツチ制御部。
Claims (1)
- 入力音声信号を増幅器で増幅し、この増幅した
音声信号の供給によりスピーカを駆動する音響回
路において、前記増幅器への駆動電源の供給を断
接する電源スイツチ部と、前記音声信号の入力の
有無を検出する信号検出部と、この信号検出部か
ら信号検出信号が出力されている時のみ前記電源
スイツチ部をオンさせるスイツチ制御部とを備え
てなることを特徴とする音響回路。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6165489U JPH032722U (ja) | 1989-05-26 | 1989-05-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6165489U JPH032722U (ja) | 1989-05-26 | 1989-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032722U true JPH032722U (ja) | 1991-01-11 |
Family
ID=31590097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6165489U Pending JPH032722U (ja) | 1989-05-26 | 1989-05-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032722U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012011029A (ja) * | 2010-07-01 | 2012-01-19 | Bandai Co Ltd | 模型玩具収納装置 |
-
1989
- 1989-05-26 JP JP6165489U patent/JPH032722U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012011029A (ja) * | 2010-07-01 | 2012-01-19 | Bandai Co Ltd | 模型玩具収納装置 |