JPS5899916U - portable audio equipment - Google Patents
portable audio equipmentInfo
- Publication number
- JPS5899916U JPS5899916U JP19585681U JP19585681U JPS5899916U JP S5899916 U JPS5899916 U JP S5899916U JP 19585681 U JP19585681 U JP 19585681U JP 19585681 U JP19585681 U JP 19585681U JP S5899916 U JPS5899916 U JP S5899916U
- Authority
- JP
- Japan
- Prior art keywords
- portable audio
- audio equipment
- amplifier
- speaker
- built
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案のポータプルオーディオ装置の実施例を
示す回路図、第２図は第１図の回路の周波数特性図であ
る。
主要部分の符号の説明、１・・・・・・プリ′アンプ、
２・・・・・・ブー スト回路、３・・・・・・メイン
アンプ、４・・・・・・ハイカット回路、５・・・・・
・ジャック、６・・・・・・内蔵スピーカ。
本／凹FIG. 1 is a circuit diagram showing an embodiment of the portable audio device of the present invention, and FIG. 2 is a frequency characteristic diagram of the circuit shown in FIG. Explanation of symbols of main parts, 1... Pre'amplifier,
2...Boost circuit, 3...Main amplifier, 4...High cut circuit, 5...
・Jack, 6...Built-in speaker. book/concave
Claims (1)
前記外部スピーカ接続手段の動作に応じて前記内蔵スピ
ーカと前記増幅器の出力端との接□続を遮断するスイッ
チ手段とを有するポータプルオーディオ装置であって、
前記増幅器の周波数特性は前記スイッチ手段のオンオフ
に応じて変化するようになされていることを特徴とする
ポータプルオーディオ装置。A built-in speaker, an amplifier, an external speaker connection means,
A portable audio device comprising a switch means for cutting off a connection between the built-in speaker and the output end of the amplifier according to the operation of the external speaker connection means,
A portable audio device characterized in that the frequency characteristics of the amplifier are changed depending on whether the switch means is turned on or off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19585681U JPS5899916U (en) | 1981-12-24 | 1981-12-24 | portable audio equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19585681U JPS5899916U (en) | 1981-12-24 | 1981-12-24 | portable audio equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5899916U true JPS5899916U (en) | 1983-07-07 |
Family
ID=30109118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19585681U Pending JPS5899916U (en) | 1981-12-24 | 1981-12-24 | portable audio equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5899916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455823U (en) * | 1990-09-17 | 1992-05-13 |
-
1981
- 1981-12-24 JP JP19585681U patent/JPS5899916U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0455823U (en) * | 1990-09-17 | 1992-05-13 |
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