JPS5830914U - Automatic erase current control circuit - Google Patents

Automatic erase current control circuit

Info

Publication number
JPS5830914U
JPS5830914U JP12404481U JP12404481U JPS5830914U JP S5830914 U JPS5830914 U JP S5830914U JP 12404481 U JP12404481 U JP 12404481U JP 12404481 U JP12404481 U JP 12404481U JP S5830914 U JPS5830914 U JP S5830914U
Authority
JP
Japan
Prior art keywords
control circuit
erase current
current control
automatic erase
playback
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
JP12404481U
Other languages
Japanese (ja)
Inventor
渡辺　輝彦
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP12404481U priority Critical patent/JPS5830914U/en
Publication of JPS5830914U publication Critical patent/JPS5830914U/en
Pending legal-status Critical Current

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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) [Abstract] 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]

図はこの考案の一実施例を示すもので、第１図はその原
理的ブロック図、第２図はその要部の具体的な一実施例
を示す図である。 ２・・・・・・磁気テープ、３・・・・・・磁気ヘッド
、−４・・・・・・消去ヘッド、６２・・・・・・レベ
ル検出回路、６３・・・・・・制御回路、７・・・・・
・発振器。The figures show one embodiment of this invention, with FIG. 1 being a basic block diagram thereof, and FIG. 2 being a diagram showing a specific embodiment of the main part thereof. 2... Magnetic tape, 3... Magnetic head, -4... Erase head, 62... Level detection circuit, 63... Control Circuit, 7...
・Oscillator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 録音に際し、磁気テープに対し消去した後、録−音信号
を録音する磁気録音再生機において、磁気テープの残留
レベルを検出する再生レベル検出手段と、再生レベル検
出手段のレベルに応じて消去ヘッドに流す消去電流を制
御する制御手段とを具えることを特徴とする消去電流の
自動制御回路。In a magnetic recording/playback machine that records the recorded signal after erasing the magnetic tape during recording, there is a playback level detection means for detecting the residual level of the magnetic tape, and an erasing head that detects the level of the playback level detection means. 1. An automatic erase current control circuit comprising: control means for controlling an erase current to flow.
JP12404481U 1981-08-24 1981-08-24 Automatic erase current control circuit Pending JPS5830914U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12404481U JPS5830914U (en) 1981-08-24 1981-08-24 Automatic erase current control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12404481U JPS5830914U (en) 1981-08-24 1981-08-24 Automatic erase current control circuit

Publications (1)

Publication Number Publication Date
JPS5830914U true JPS5830914U (en) 1983-02-28

Family

ID=29917932

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12404481U Pending JPS5830914U (en) 1981-08-24 1981-08-24 Automatic erase current control circuit

Country Status (1)

Country Link
JP (1) JPS5830914U (en)

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