JPH0478892U - - Google Patents
Info
- Publication number
- JPH0478892U JPH0478892U JP12172390U JP12172390U JPH0478892U JP H0478892 U JPH0478892 U JP H0478892U JP 12172390 U JP12172390 U JP 12172390U JP 12172390 U JP12172390 U JP 12172390U JP H0478892 U JPH0478892 U JP H0478892U
- Authority
- JP
- Japan
- Prior art keywords
- audio device
- audio
- emitter
- output signal
- base
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の音声信号切換え回路の第一の
実施例を示す回路図、第２図は本考案の音声信号
切換え回路の第二の実施例を示す回路図である。
１……ラジオ受信機、２……音楽テープ再生装
置、３……スイツチ、４……オーデイオアンプ、
５……スピーカ、６……供給電源、７，９……抵
抗内蔵トランジスタ、８，１０〜１２……コンデ
ンサ。
FIG. 1 is a circuit diagram showing a first embodiment of the audio signal switching circuit of the present invention, and FIG. 2 is a circuit diagram showing a second embodiment of the audio signal switching circuit of the invention. 1...Radio receiver, 2...Music tape playback device, 3...Switch, 4...Audio amplifier,
5... Speaker, 6... Power supply, 7, 9... Transistor with built-in resistor, 8, 10-12... Capacitor.
Claims (1)
装置の音声出力信号及び前記第一の音声装置の電
源と前記第二の音声装置の電源とを連動して切換
えるスイツチ、 ｂ コレクタを前記第一の音声装置の音声出力信
号に接続し、ベースを前記第二の音声装置の電源
に接続し、エミツタを接地すると共にベース・エ
ミツタ間に容量を接続した第一のトランジスタ、 ｃ コレクタを前記第二の音声装置の音声出力信
号に接続し、ベースを前記第一の音声装置の電源
に接続し、エミツタを接地すると共にベース・エ
ミツタ間に容量を接続した第二のトランジスタを
有することを特徴とする音声信号切換え回路。[Claims for Utility Model Registration] a. An audio output signal of a first audio device, an audio output signal of a second audio device, and a power source of the first audio device and a power source of the second audio device are linked. a switch whose collector is connected to the audio output signal of the first audio device, whose base is connected to the power source of the second audio device, whose emitter is grounded and whose capacitor is connected between the base and the emitter; The first transistor, c, has a collector connected to the audio output signal of the second audio device, a base connected to the power supply of the first audio device, an emitter grounded, and a capacitor connected between the base and emitter. An audio signal switching circuit comprising two transistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12172390U JPH0478892U (en) | 1990-11-20 | 1990-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12172390U JPH0478892U (en) | 1990-11-20 | 1990-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0478892U true JPH0478892U (en) | 1992-07-09 |
Family
ID=31869567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12172390U Pending JPH0478892U (en) | 1990-11-20 | 1990-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0478892U (en) |
-
1990
- 1990-11-20 JP JP12172390U patent/JPH0478892U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5819759Y2 (en) | Radio Tsuki Tape Recorder | |
| JPH0181020U (en) | ||
| JPH0358022U (en) | ||
| JPH0394865U (en) | ||
| JPS6150350U (en) | ||
| JPS588249U (en) | Pop noise prevention circuit | |
| JPS5859213U (en) | sound equipment | |
| JPH0334314U (en) | ||
| JPS6373000U (en) | ||
| JPH0257615U (en) | ||
| JPS6322603U (en) | ||
| JPS6157690U (en) | ||
| JPH02120957U (en) | ||
| JPH02126415U (en) | ||
| JPS61174211U (en) | ||
| JPH02113424U (en) | ||
| JPS6358847U (en) | ||
| JPS6370717U (en) | ||
| JPH0357615U (en) | ||
| JPS6190335U (en) | ||
| JPS62186516U (en) | ||
| JPS59144911U (en) | Muting circuit for audio equipment | |
| JPH0272403U (en) | ||
| JPS6098946U (en) | Power supply switching circuit for audio equipment | |
| JPS6298324U (en) |