JPS58159652U - sound equipment - Google Patents
sound equipmentInfo
- Publication number
- JPS58159652U JPS58159652U JP5639582U JP5639582U JPS58159652U JP S58159652 U JPS58159652 U JP S58159652U JP 5639582 U JP5639582 U JP 5639582U JP 5639582 U JP5639582 U JP 5639582U JP S58159652 U JPS58159652 U JP S58159652U
- Authority
- JP
- Japan
- Prior art keywords
- reproduction amplifier
- capacitor
- switching element
- power supply
- audio device
- 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
Landscapes
- Circuits Of Receivers In General (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
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
図はいずれも本考案の実施例を示し、第１図は要部の回
路図、第２図は本考案の技術に基づく具体例を示す回路
図である。
符号の説明、Ｑｏ・・・・・・パワースイッチ用トラン
ジスタ、Ｑ１〜Ｑ３・・・・・・トランジスタ（スイッ
チング素子）、Ｃ・・・・・・コンデンサ、Ａｏ・・・
・・・再生用アンプ、Ｂ・・・・・・整流回路、１ｏ・
・・・・・電源供給路、ｓｐ・・・・・・スピーカ。Each of the figures shows an embodiment of the present invention; FIG. 1 is a circuit diagram of the main part, and FIG. 2 is a circuit diagram showing a specific example based on the technology of the present invention. Explanation of symbols, Qo...Power switch transistor, Q1-Q3...Transistor (switching element), C...Capacitor, Ao...
...Reproduction amplifier, B... Rectifier circuit, 1o.
...Power supply path, SP...Speaker.
Claims (1)
力される信号の一部を整流する整流回路と、該整流回路
の出力で動作制御されるスイッチング素子と、該スイッ
チング素子により充放電制御されるコンデンサと、該コ
ンデンサの所定端子電圧を検出して再生用アンプの電源
供給路を導通させる電源供給回路とを具備し、音響装置
に入力信号が供給されている間、前記コンデンサを所定
電位に保持して再生アンプに電源を供給するようにした
ことを特徴とする音響装置。An audio device equipped with a reproduction amplifier includes a rectifier circuit that rectifies a part of a signal input to the audio device, a switching element whose operation is controlled by the output of the rectifier circuit, and a switching element whose operation is controlled by the switching element. A power supply circuit includes a capacitor and a power supply circuit that detects a predetermined terminal voltage of the capacitor and connects a power supply path of a reproduction amplifier, and maintains the capacitor at a predetermined potential while an input signal is supplied to the audio device. 1. A sound device characterized in that a reproduction amplifier is supplied with power through the reproduction amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5639582U JPS58159652U (en) | 1982-04-20 | 1982-04-20 | sound equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5639582U JPS58159652U (en) | 1982-04-20 | 1982-04-20 | sound equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58159652U true JPS58159652U (en) | 1983-10-24 |
| JPH0325342Y2 JPH0325342Y2 (en) | 1991-05-31 |
Family
ID=30066925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5639582U Granted JPS58159652U (en) | 1982-04-20 | 1982-04-20 | sound equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58159652U (en) |
-
1982
- 1982-04-20 JP JP5639582U patent/JPS58159652U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0325342Y2 (en) | 1991-05-31 |
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