JPS63200257U - - Google Patents

Info

Publication number
JPS63200257U
JPS63200257U JP8842087U JP8842087U JPS63200257U JP S63200257 U JPS63200257 U JP S63200257U JP 8842087 U JP8842087 U JP 8842087U JP 8842087 U JP8842087 U JP 8842087U JP S63200257 U JPS63200257 U JP S63200257U
Authority
JP
Japan
Prior art keywords
automatic
variable gain
contact
manual
gain section
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
JP8842087U
Other languages
English (en)
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 filed Critical
Priority to JP8842087U priority Critical patent/JPS63200257U/ja
Publication of JPS63200257U publication Critical patent/JPS63200257U/ja
Pending legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示すブロツク図、
第２図は該実施例における利得可変部の一構成例
を示す回路図、第３図はその動作説明図である。 １……マイクロホン、２，４……増幅器、３…
…再生ヘツド、５……利得可変部、６……スイツ
チ、７……ボリユーム。

Claims (1)

    【実用新案登録請求の範囲】
  1. 磁気記録再生装置において、マイクロホンによ
    り検出された外部雑音量に応じて上記装置の再生
    信号の利得可変部の利得を制御する手段と、少な
    くとも自動接点と手動接点とを有し、該自動接点
    は上記利得可変部の出力に、該手動接点は該利得
    可変部の入力に夫々接続されている自動―手動切
    換スイツチとを備えたことを特徴とする自動音量
    調整装置。
JP8842087U 1987-06-08 1987-06-08 Pending JPS63200257U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8842087U JPS63200257U (ja) 1987-06-08 1987-06-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8842087U JPS63200257U (ja) 1987-06-08 1987-06-08

Publications (1)

Publication Number Publication Date
JPS63200257U true JPS63200257U (ja) 1988-12-23

Family

ID=30946513

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8842087U Pending JPS63200257U (ja) 1987-06-08 1987-06-08

Country Status (1)

Country Link
JP (1) JPS63200257U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105774A (ja) * 1984-10-29 1986-05-23 Matsushita Electric Ind Co Ltd テ−プレコ−ダ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61105774A (ja) * 1984-10-29 1986-05-23 Matsushita Electric Ind Co Ltd テ−プレコ−ダ

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