JPH0359796U - - Google Patents
Info
- Publication number
- JPH0359796U JPH0359796U JP12013589U JP12013589U JPH0359796U JP H0359796 U JPH0359796 U JP H0359796U JP 12013589 U JP12013589 U JP 12013589U JP 12013589 U JP12013589 U JP 12013589U JP H0359796 U JPH0359796 U JP H0359796U
- Authority
- JP
- Japan
- Prior art keywords
- audio
- audio signal
- output
- headphone
- muting
- 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
- 230000005236 sound signal Effects 0.000 claims 4
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Stereophonic Arrangements (AREA)
Description
第１図は本考案の一実施例の要部のブロツク図
、第２図はヘツドホンプラグを示す図、第３図は
従来例の要部のブロツク図である。
１……サラウンド処理回路、２……ヘツドホン
ジヤツク、３，６……第１、第２音声出力アンプ
、４，５……リアスピーカ、７……ミユーテイン
グ制御回路、８，９……フロントスピーカ、１０
……ヘツドホンプラグ、１１，１２……第１、第
２スイツチ回路。
FIG. 1 is a block diagram of the main parts of an embodiment of the present invention, FIG. 2 is a diagram showing a headphone plug, and FIG. 3 is a block diagram of the main parts of a conventional example. 1... Surround processing circuit, 2... Headphone jack, 3, 6... First and second audio output amplifiers, 4, 5... Rear speakers, 7... Muting control circuit, 8, 9... Front speakers , 10
...Headphone plug, 11, 12...First and second switch circuits.
Claims (1)
れ増幅する第１、第２音声出力アンプ、前記第１
音声出力アンプで増幅されたフロント音声信号が
与えられるヘツドホンジヤツクおよび該ヘツドホ
ンジヤツクからの制御出力に基づいて、前記第２
音声出力アンプに対するミユーテイング動作をオ
ンまたはオフするミユーテイング制御回路を備え
る音響機器であつて、 前記ヘツドホンジヤツクは、 該ヘツドホンジヤツクへのヘツドホンプラグの
挿抜に応じて、増幅された前記フロント音声信号
を、フロントスピーカまたは前記ヘツドホンプラ
グに切換出力する第１スイツチ回路と、 前記挿抜に応じて、前記ミユーテイング動作を
オンまたはオフするための制御出力を前記ミユー
テイング制御回路に与える第２スイツチ回路とを
備えることを特徴とする音響機器。[Claims for Utility Model Registration] First and second audio output amplifiers that amplify a front audio signal and a rear audio signal, respectively;
the second headphone jack to which the front audio signal amplified by the audio output amplifier is applied; and the control output from the headphone jack;
The audio equipment includes a muting control circuit that turns on or off a muting operation for an audio output amplifier, wherein the headphone jack outputs the amplified front audio signal in response to insertion or removal of a headphone plug into the headphone jack. , a first switch circuit that switches output to the front speaker or the headphone plug, and a second switch circuit that provides the muting control circuit with a control output for turning on or off the muting operation in accordance with the insertion/removal. Audio equipment featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12013589U JPH0359796U (en) | 1989-10-12 | 1989-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12013589U JPH0359796U (en) | 1989-10-12 | 1989-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0359796U true JPH0359796U (en) | 1991-06-12 |
Family
ID=31668224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12013589U Pending JPH0359796U (en) | 1989-10-12 | 1989-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0359796U (en) |
-
1989
- 1989-10-12 JP JP12013589U patent/JPH0359796U/ja active Pending
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