JPS5959088U - sound reproduction device - Google Patents
sound reproduction deviceInfo
- Publication number
- JPS5959088U JPS5959088U JP15388182U JP15388182U JPS5959088U JP S5959088 U JPS5959088 U JP S5959088U JP 15388182 U JP15388182 U JP 15388182U JP 15388182 U JP15388182 U JP 15388182U JP S5959088 U JPS5959088 U JP S5959088U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- amplifier
- resistor
- reproduction device
- sound reproduction
- 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.)
- Granted
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図は従来の音響再生装置の一例を示す回路図、第２
図はこの考案の一実施例の構成を示す回−略図である。
１・・・スピーカ、２・・・第１の抵抗、３・・・第２
の抵抗、４・・・第３の抵抗、５・・・スピーカ速度検
出回路（ブリッジ回路）、７・・・増幅器（電力増幅器
）、１−１０・・・信号入力端子、１１・・・加算用抵
抗（可変抵抗器）、２４．２８・・・差動増幅器。Figure 1 is a circuit diagram showing an example of a conventional sound reproduction device;
The figure is a circuit diagram showing the configuration of an embodiment of this invention. 1... Speaker, 2... First resistor, 3... Second
4... Third resistor, 5... Speaker speed detection circuit (bridge circuit), 7... Amplifier (power amplifier), 1-10... Signal input terminal, 11... Addition Resistor (variable resistor), 24.28...Differential amplifier.
Claims (1)
た第１、第２の抵抗とこのスピーカの他端と接地点との
間に介挿された第３の抵抗とを有し〜 前記第１、第２
の抵抗の接続点と前記スピーカの他端との間から前記ス
ピーカの振動速度成分に対応する電圧を出力するスピー
カ速度検出回路と、前記スピーカの一端を駆動する増幅
器と、この増幅器の入力端と信号入力端子との間に介挿
された加算用抵抗と、前記スピーカ速度検出回路の出力
を差動増幅すると共に前記加算用抵抗の両端を差動出力
によって駆動する差動増幅器とを具備したことを特徴と
する音響再生装置。It has first and second resistors connected in series between one end of the speaker and the ground point, and a third resistor inserted between the other end of the speaker and the ground point. Said first and second
a speaker speed detection circuit that outputs a voltage corresponding to the vibration velocity component of the speaker from between a connection point of the resistor and the other end of the speaker, an amplifier that drives one end of the speaker, and an input end of the amplifier. and a differential amplifier that differentially amplifies the output of the speaker speed detection circuit and drives both ends of the summing resistor with a differential output. A sound reproduction device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15388182U JPS5959088U (en) | 1982-10-09 | 1982-10-09 | sound reproduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15388182U JPS5959088U (en) | 1982-10-09 | 1982-10-09 | sound reproduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5959088U true JPS5959088U (en) | 1984-04-17 |
| JPS6342638Y2 JPS6342638Y2 (en) | 1988-11-08 |
Family
ID=30340318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15388182U Granted JPS5959088U (en) | 1982-10-09 | 1982-10-09 | sound reproduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5959088U (en) |
-
1982
- 1982-10-09 JP JP15388182U patent/JPS5959088U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6342638Y2 (en) | 1988-11-08 |
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