JPS5869345U - Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment - Google Patents

Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment

Info

Publication number
JPS5869345U
JPS5869345U JP16270181U JP16270181U JPS5869345U JP S5869345 U JPS5869345 U JP S5869345U JP 16270181 U JP16270181 U JP 16270181U JP 16270181 U JP16270181 U JP 16270181U JP S5869345 U JPS5869345 U JP S5869345U
Authority
JP
Japan
Prior art keywords
video signal
prevention circuit
magnetic recording
erroneous erasure
erasure prevention
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
JP16270181U
Other languages
Japanese (ja)
Inventor
鈴木　貞雄
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP16270181U priority Critical patent/JPS5869345U/en
Publication of JPS5869345U publication Critical patent/JPS5869345U/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) [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]

第１図はカセットの誤消去防止機構の説明図、第２図は
本考案の映像信号磁気記録再生装置の誤消去防止回路の
一実施例の説明図、第３図は第２図のブロック図である
。□ −図中符号７はコントロールパルス検出ヘッド、９はサ
プライリール、１１は磁気テープ、１５は切換器、１６
はコントロールパルス検出器、１７は判別解路である。FIG. 1 is an explanatory diagram of a cassette erroneous erasure prevention mechanism, FIG. 2 is an explanatory diagram of an embodiment of an erroneous erasure prevention circuit of the video signal magnetic recording and reproducing apparatus of the present invention, and FIG. 3 is a block diagram of FIG. 2. It is. □ - In the figure, 7 is a control pulse detection head, 9 is a supply reel, 11 is a magnetic tape, 15 is a switch, 16
1 is a control pulse detector, and 17 is a discriminant path.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気テープに記録された信号を検出する信号検出手段と
、記録時に前記信号検出手段で信号が検出されたとき前
記磁気テープの走行を停止する走゛　　　行停止手段と
を具備し、記録済の前記磁気テープで記録動作が行なわ
れたとき、前記走行停止手段により前記磁気テープの走
行を停止するよう構成したことを特徴とする映像信号磁
気記録再生装置の誤消去防止回路。A signal detecting means for detecting a signal recorded on a magnetic tape, and a running stop means for stopping the running of the magnetic tape when a signal is detected by the signal detecting means during recording, 1. An erroneous erasure prevention circuit for a video signal magnetic recording and reproducing apparatus, characterized in that when a recording operation is performed on a magnetic tape, the running of the magnetic tape is stopped by the running stop means.
JP16270181U 1981-11-02 1981-11-02 Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment Pending JPS5869345U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16270181U JPS5869345U (en) 1981-11-02 1981-11-02 Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16270181U JPS5869345U (en) 1981-11-02 1981-11-02 Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment

Publications (1)

Publication Number Publication Date
JPS5869345U true JPS5869345U (en) 1983-05-11

Family

ID=29955009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16270181U Pending JPS5869345U (en) 1981-11-02 1981-11-02 Erroneous erasure prevention circuit for video signal magnetic recording and reproducing equipment

Country Status (1)

Country Link
JP (1) JPS5869345U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61296553A (en) * 1985-06-25 1986-12-27 Canon Inc Recording and reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61296553A (en) * 1985-06-25 1986-12-27 Canon Inc Recording and reproducing device

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