JPS593685U - Microphone sensitivity switching circuit - Google Patents

Microphone sensitivity switching circuit

Info

Publication number
JPS593685U
JPS593685U JP9917782U JP9917782U JPS593685U JP S593685 U JPS593685 U JP S593685U JP 9917782 U JP9917782 U JP 9917782U JP 9917782 U JP9917782 U JP 9917782U JP S593685 U JPS593685 U JP S593685U
Authority
JP
Japan
Prior art keywords
switching circuit
microphone sensitivity
microphone
sensitivity switching
input signal
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
JP9917782U
Other languages
Japanese (ja)
Inventor
野中　昭文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP9917782U priority Critical patent/JPS593685U/en
Publication of JPS593685U publication Critical patent/JPS593685U/en
Pending legal-status Critical Current

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

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

第１図は従来のマイク感度切換回路の回路図、第２図は
第１図の回路による出力周波数特性を示す図、第３図は
本考案のマイク感度切換回路の回路図、第４図は第３図
の回路による出力周波数特性を示す図である。 なお、図面に用いられている符号において、ＭＩＣ・・
・マイク、ＲＥＣＡＭＰ・・・録音州中部である。Figure 1 is a circuit diagram of a conventional microphone sensitivity switching circuit, Figure 2 is a diagram showing the output frequency characteristics of the circuit in Figure 1, Figure 3 is a circuit diagram of the microphone sensitivity switching circuit of the present invention, and Figure 4 is a diagram showing the output frequency characteristics of the circuit of Figure 1. FIG. 4 is a diagram showing output frequency characteristics by the circuit of FIG. 3; In addition, in the symbols used in the drawings, MIC...
・Mike, RECAMP... Recording in the central part of the state.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクからの入力信号に切換可能に所定の減衰を与える
ことにより、マイク感度の切換えを図るマイク感度切換
回路において、有効帯域内で高域側を通過させ低域側を
減衰させる周波数特性を有するフィルタ手段を備え、こ
のフィルタ手段によりマイクからの入力信号に切換可能
に所定の減衰を与えるように構成したことを特徴とする
マイク感度切換回路。In a microphone sensitivity switching circuit that switches the microphone sensitivity by switchably applying a predetermined attenuation to the input signal from the microphone, a filter that has frequency characteristics that passes high frequencies and attenuates low frequencies within the effective band. 1. A microphone sensitivity switching circuit comprising: a filter means configured to switchably apply a predetermined attenuation to an input signal from a microphone by means of the filter means.
JP9917782U 1982-06-30 1982-06-30 Microphone sensitivity switching circuit Pending JPS593685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9917782U JPS593685U (en) 1982-06-30 1982-06-30 Microphone sensitivity switching circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9917782U JPS593685U (en) 1982-06-30 1982-06-30 Microphone sensitivity switching circuit

Publications (1)

Publication Number Publication Date
JPS593685U true JPS593685U (en) 1984-01-11

Family

ID=30235147

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9917782U Pending JPS593685U (en) 1982-06-30 1982-06-30 Microphone sensitivity switching circuit

Country Status (1)

Country Link
JP (1) JPS593685U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60191103U (en) * 1984-05-29 1985-12-18 藤井農機製造株式会社 Ridge straightening machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337012A (en) * 1976-09-16 1978-04-05 Sharp Corp Flame retardant speaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337012A (en) * 1976-09-16 1978-04-05 Sharp Corp Flame retardant speaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60191103U (en) * 1984-05-29 1985-12-18 藤井農機製造株式会社 Ridge straightening machine

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