JPS58144610U - microphone mixing circuit - Google Patents

microphone mixing circuit

Info

Publication number
JPS58144610U
JPS58144610U JP4043482U JP4043482U JPS58144610U JP S58144610 U JPS58144610 U JP S58144610U JP 4043482 U JP4043482 U JP 4043482U JP 4043482 U JP4043482 U JP 4043482U JP S58144610 U JPS58144610 U JP S58144610U
Authority
JP
Japan
Prior art keywords
playback
recording
input signal
signal amplifier
microphone input
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
Application number
JP4043482U
Other languages
Japanese (ja)
Inventor
我妻 伸一
Original Assignee
株式会社日立製作所
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP4043482U priority Critical patent/JPS58144610U/en
Publication of JPS58144610U publication Critical patent/JPS58144610U/en
Pending legal-status Critical Current

Links

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (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

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来のマイクミキシング回路の構成例を示す、
回路図、第2図は本考案の一実施例の回路図である。 6・・・録音レベル調整用抵抗/再生イコライザ回路切
換スイッチ、9・・・外部マイク入力信号増幅器、10
・・・録音/再生信号増幅器、13・・・録音レベル調
整用抵抗。
Figure 1 shows an example of the configuration of a conventional microphone mixing circuit.
Circuit Diagram FIG. 2 is a circuit diagram of an embodiment of the present invention. 6... Recording level adjustment resistor/playback equalizer circuit selection switch, 9... External microphone input signal amplifier, 10
...Recording/playback signal amplifier, 13...Resistor for recording level adjustment.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 録音/再生ヘッドの再生出力および外部マイク入力信号
を選択的に供給される録音/再生信号増幅器と、外部マ
イク入力信号を供給される外部マイク入力信号増幅器と
、その一端が前記録音/再生信号増幅器の出力側に接続
され、他端が切換スイッチを介して接地されたレベル調
整用抵抗とを具備し、前記外部マイク入力信号増幅器の
出力が前記レベル調整用抵抗の他端に接続され、前記ス
イッチは録音時には閉成されてレベル調整用抵抗の他端
を接地し、再生時には開放されるように構成されたこと
を特徴とするマイクミキシング回路。
a recording/playback signal amplifier selectively supplied with the playback output of the recording/playback head and an external microphone input signal; an external microphone input signal amplifier supplied with the external microphone input signal; one end of which is connected to the recording/playback signal amplifier; a level adjustment resistor connected to the output side of the switch, the other end of which is grounded via a changeover switch; the output of the external microphone input signal amplifier is connected to the other end of the level adjustment resistor; A microphone mixing circuit characterized in that it is closed during recording and the other end of the level adjustment resistor is grounded, and is opened during playback.
JP4043482U 1982-03-24 1982-03-24 microphone mixing circuit Pending JPS58144610U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4043482U JPS58144610U (en) 1982-03-24 1982-03-24 microphone mixing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4043482U JPS58144610U (en) 1982-03-24 1982-03-24 microphone mixing circuit

Publications (1)

Publication Number Publication Date
JPS58144610U true JPS58144610U (en) 1983-09-29

Family

ID=30051658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4043482U Pending JPS58144610U (en) 1982-03-24 1982-03-24 microphone mixing circuit

Country Status (1)

Country Link
JP (1) JPS58144610U (en)

Similar Documents

Publication Publication Date Title
JPS58144610U (en) microphone mixing circuit
JPS58131413U (en) tape deck
JPS6085704U (en) tape recorder
JPS6137106U (en) audio amplifier
JPS58105092U (en) music selection circuit
JPS6128151U (en) Automatic level control circuit for recording equipment
JPS5856320U (en) Digital recording and playback circuit
JPS5928813U (en) automatic level control circuit
JPS60159506U (en) magnetic recording and reproducing device
JPS58148713U (en) Video recording and playback device with microphone amplifier
JPS59112307U (en) Recording level adjustment circuit
JPS6128194U (en) audio level display device
JPS5956617U (en) tape recorder
JPS5875321U (en) tape recorder circuit
JPS5848022U (en) PCM signal recording and reproducing device
JPS5872713U (en) Tape recorder with built-in microphone
JPS5865617U (en) magnetic recording and reproducing device
JPS58131443U (en) tape recorder
JPS6051688U (en) program recorder
JPS5875320U (en) tape recorder circuit
JPS58118514U (en) amplifier device
JPS5928812U (en) tape recorder
JPS58131415U (en) Muting circuit
JPS604992U (en) Clock with audio input/output device
JPS5869318U (en) magnetic recording and reproducing device