JPS59164945U - tape recorder - Google Patents
tape recorderInfo
- Publication number
- JPS59164945U JPS59164945U JP5961983U JP5961983U JPS59164945U JP S59164945 U JPS59164945 U JP S59164945U JP 5961983 U JP5961983 U JP 5961983U JP 5961983 U JP5961983 U JP 5961983U JP S59164945 U JPS59164945 U JP S59164945U
- Authority
- JP
- Japan
- Prior art keywords
- microphone
- output path
- signal
- tape recorder
- amplification transistor
- 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
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図は従来例を示す回路図、第２図は本考案の一実施
例を示す回路図である。
１・・・・・・出力系路、８・・・・・・マイクミキシ
ング回路、１０・・・・・・増幅用トランジスター、１
１・・・・・・選曲口７路、２２・・・・・・制御回路
。FIG. 1 is a circuit diagram showing a conventional example, and FIG. 2 is a circuit diagram showing an embodiment of the present invention. 1...Output system path, 8...Microphone mixing circuit, 10...Amplification transistor, 1
1... Music selection port 7 path, 22... Control circuit.
Claims (1)
ーダーにおいて、磁気ヘッドからの再生信号を増幅器に
て増幅した後スピーカ部に導出する出力系路と、該出力
系路に増幅器より前段側にて接続せられ外部マイク使用
時に外部マイクからのマイク信号を増幅用トランジスタ
ーにて増幅した後出力系路に導出するマイクミキシング
回路と、前記出力系路に増幅器より後段側にて接続せら
れ選曲動作時に該出力系路上の信号の有無を判別し曲の
頭出しを行なう選曲回路と、選曲動作時に前記増幅用ト
ランジスターのベースに制御電圧を印加して該増幅用ト
ランジスターを能動状態から飽和状態にする制御回路と
より成り、而して外部マイク使用状態での選曲動作時に
は前記マイクミキシング回路よりマイク信号が前記出力
系路に入力されないようにした事を特徴とするテープレ
コーダー。In a tape recorder having a microphone mixing function and a song selection function, there is an output path that amplifies a reproduced signal from a magnetic head using an amplifier and then leads it to a speaker section, and an output path that is connected to the output path at a stage before the amplifier. A microphone mixing circuit that amplifies the microphone signal from the external microphone with an amplification transistor when an external microphone is used and then directs it to an output path; A music selection circuit that determines the presence or absence of a signal on the road and locates the beginning of a song; and a control circuit that applies a control voltage to the base of the amplification transistor to change the amplification transistor from an active state to a saturated state during a music selection operation. A tape recorder characterized in that, during a music selection operation when an external microphone is used, no microphone signal is input from the microphone mixing circuit to the output path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5961983U JPS59164945U (en) | 1983-04-20 | 1983-04-20 | tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5961983U JPS59164945U (en) | 1983-04-20 | 1983-04-20 | tape recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59164945U true JPS59164945U (en) | 1984-11-05 |
| JPH0345287Y2 JPH0345287Y2 (en) | 1991-09-25 |
Family
ID=30189861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5961983U Granted JPS59164945U (en) | 1983-04-20 | 1983-04-20 | tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59164945U (en) |
-
1983
- 1983-04-20 JP JP5961983U patent/JPS59164945U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0345287Y2 (en) | 1991-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60101816U (en) | Sound output amplification device | |
| JPS59164945U (en) | tape recorder | |
| JPS59134999U (en) | portable public address system | |
| JPS6121007U (en) | Noise reduction circuit for tape playback equipment | |
| JPS58131443U (en) | tape recorder | |
| JPS6064404U (en) | Headphone amplifier | |
| JPS6092397U (en) | alarm circuit | |
| JPS58125215U (en) | Audio signal reproducing device | |
| JPS5952713U (en) | Muting circuit | |
| JPS5986007U (en) | Tape recorder muting circuit | |
| JPS5963810U (en) | audio signal mixing device | |
| JPS58148713U (en) | Video recording and playback device with microphone amplifier | |
| JPS58118514U (en) | amplifier device | |
| JPS58135027U (en) | Mute circuit | |
| JPS5936611U (en) | Audio signal mute circuit | |
| JPS5992431U (en) | Dubbing cassette tape recorder signal derivation circuit | |
| JPS60194757U (en) | magnetic recording and reproducing device | |
| JPS6057210U (en) | Muting circuit for composite audio equipment | |
| JPS58140593U (en) | Monitor circuit for audio or video tape recorders, etc. | |
| JPS58182598U (en) | Audio equipment output jack circuit | |
| JPS6124826U (en) | tape recorder | |
| JPS5928812U (en) | tape recorder | |
| JPS58163013U (en) | Circuit to prevent sound leakage between functions of multi-channel audio equipment | |
| JPS5869317U (en) | Muting circuit of recording/reproducing device | |
| JPS6134692U (en) | Video playback equipment |