JPS6444712U - - Google Patents
Info
- Publication number
- JPS6444712U JPS6444712U JP13868387U JP13868387U JPS6444712U JP S6444712 U JPS6444712 U JP S6444712U JP 13868387 U JP13868387 U JP 13868387U JP 13868387 U JP13868387 U JP 13868387U JP S6444712 U JPS6444712 U JP S6444712U
- Authority
- JP
- Japan
- Prior art keywords
- volume
- mute
- switch
- power switch
- adjustment mechanism
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す音量調整機構
の回路図、第２図は回転式ボリユームにおけるパ
ワースイツチ及びミユートスイツチのオン・オフ
の範囲を示した説明図である。
Ａ…ボリユーム部、ＶＲ…ボリユーム抵抗体、
Ｂ…ミユート回路、Ｔｒ…ミユートトランジスタ
、ＳＷ１…パワースイツチ、ＳＷ２…ミユートス
イツチ、ＲＬ…スピーカ、ＡＭＰ…増幅器。
FIG. 1 is a circuit diagram of a volume adjustment mechanism showing an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the on/off range of a power switch and a mute switch in a rotary volume. A...Volume part, VR...Volume resistor,
B...Mute circuit, Tr...Mute transistor, SW1 ...power switch, SW2 ...mute switch, RL...speaker, AMP...amplifier.
Claims (1)
イツチと、 量ボリユームと、 ユートスイツチがオン状態で、かつ音量ボリユ
ームが所定値以下の時に動作する音声出力ミユー
ト手段と、 を備えていることを特徴とする音量調整機構。[Scope of Claim for Utility Model Registration] A power switch, a mute switch connected in parallel with the power switch, a volume controller, and an audio output mute means that operates when the mute switch is on and the volume volume is below a predetermined value. A volume adjustment mechanism characterized by comprising: .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13868387U JPS6444712U (en) | 1987-09-10 | 1987-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13868387U JPS6444712U (en) | 1987-09-10 | 1987-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6444712U true JPS6444712U (en) | 1989-03-17 |
Family
ID=31401249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13868387U Pending JPS6444712U (en) | 1987-09-10 | 1987-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6444712U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005148438A (en) * | 2003-11-17 | 2005-06-09 | Yamaha Corp | Device and program for setting parameter |
-
1987
- 1987-09-10 JP JP13868387U patent/JPS6444712U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005148438A (en) * | 2003-11-17 | 2005-06-09 | Yamaha Corp | Device and program for setting parameter |