JPS647493U - - Google Patents
Info
- Publication number
- JPS647493U JPS647493U JP10078487U JP10078487U JPS647493U JP S647493 U JPS647493 U JP S647493U JP 10078487 U JP10078487 U JP 10078487U JP 10078487 U JP10078487 U JP 10078487U JP S647493 U JPS647493 U JP S647493U
- Authority
- JP
- Japan
- Prior art keywords
- right speakers
- plug
- channel
- rear left
- surround
- 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
- 239000000203 mixture Substances 0.000 claims description 2
- 230000005236 sound signal Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stereophonic Arrangements (AREA)
Description
第１図は本実施例の音響再生装置の回路図、第
２図はその斜視図、第３図はサラウンドデコーダ
内臓アンプ回路図である。
１……ステレオ用プラグ、２……Ｌ端子、３…
…Ｒ端子、４……アース端子、５……サラウンド
用プラグ、６……Ｌ端子、７……Ｒ端子、８……
アース端子、９……切換えスイツチ回路、９ａ〜
９ｃ……スイツチ、１０……スピーカ部、１１…
…フロント左スピーカ、１２……フロント右スピ
ーカ、１３……リア左スピーカ、１４……リア右
スピーカ、１５……ブレンド抵抗、４０，５０…
…ヘツドホンケース。
FIG. 1 is a circuit diagram of the sound reproduction device of this embodiment, FIG. 2 is a perspective view thereof, and FIG. 3 is a circuit diagram of an amplifier incorporating a surround decoder. 1...Stereo plug, 2...L terminal, 3...
...R terminal, 4...Earth terminal, 5...Surround plug, 6...L terminal, 7...R terminal, 8...
Earth terminal, 9...Switch circuit, 9a~
9c...Switch, 10...Speaker section, 11...
...Front left speaker, 12...Front right speaker, 13...Rear left speaker, 14...Rear right speaker, 15...Blend resistance, 40, 50...
...Headphone case.
Claims (1)
及びＲチヤンネルの音声信号をフロント左右スピ
ーカで再生すると共にサラウンド用プラグに入力
したサラウンド音声信号をリア左右スピーカで再
生するようにしたヘツドホンにおいて、 上記サラウンド用プラグからの音声信号又は上
記ステレオ用プラグからの音声信号を選択的に切
換えて上記リア左右スピーカに入力するスイツチ
を具備して成り、上記スイツチを上記ステレオ用
プラグ側に切変えることにより、上記リア左右ス
ピーカが逆極性で上記ステレオ用プラグのＬチヤ
ンネルとＲチヤンネル入力端子間に直列接続され
るようにしたことを特徴とするヘツドホン。 (2) 上記リア左右スピーカの同極側が共通のブ
レンド抵抗を介してアース端子に接続されている
ことを特徴とする実用新案登録請求範囲第１項記
載のヘツドホン。[Scope of Claim for Utility Model Registration] (1) To reproduce the L channel and R channel audio signals input to the stereo plug from the front left and right speakers, and to reproduce the surround audio signals input from the surround plug from the rear left and right speakers. The headphone is equipped with a switch that selectively switches the audio signal from the surround plug or the audio signal from the stereo plug and inputs it to the rear left and right speakers, and the switch is connected to the stereo plug side. The headphone is characterized in that the rear left and right speakers are connected in series between the L channel and R channel input terminals of the stereo plug with reverse polarity. (2) The headphone according to claim 1, wherein the same polarity sides of the rear left and right speakers are connected to a ground terminal via a common blend resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078487U JPS647493U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10078487U JPS647493U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647493U true JPS647493U (en) | 1989-01-17 |
Family
ID=31329176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10078487U Pending JPS647493U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647493U (en) |
-
1987
- 1987-06-30 JP JP10078487U patent/JPS647493U/ja active Pending
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