JPS60134381U - noise cancel circuit - Google Patents

noise cancel circuit

Info

Publication number
JPS60134381U
JPS60134381U JP2110184U JP2110184U JPS60134381U JP S60134381 U JPS60134381 U JP S60134381U JP 2110184 U JP2110184 U JP 2110184U JP 2110184 U JP2110184 U JP 2110184U JP S60134381 U JPS60134381 U JP S60134381U
Authority
JP
Japan
Prior art keywords
noise canceling
canceling circuit
cancel circuit
noise cancel
synchronizing 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
JP2110184U
Other languages
Japanese (ja)
Inventor
毎田　佳秋
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP2110184U priority Critical patent/JPS60134381U/en
Publication of JPS60134381U publication Critical patent/JPS60134381U/en
Pending legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (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) [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図は本考案−実施例の一部分を示す回路ブロック図
、第２図は波形図、第３図は従来例の回路ブロック図で
ある。 主な符号の説明、±す・・・擬似垂直同期信号作成手段
、１４・・・切換スイッチ。FIG. 1 is a circuit block diagram showing a part of an embodiment of the present invention, FIG. 2 is a waveform diagram, and FIG. 3 is a circuit block diagram of a conventional example. Explanation of main symbols, ±su...Pseudo vertical synchronization signal creation means, 14...Selector switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 垂直同期信号の幅を狭くすることによりダビング防止を
計るソフトテープを再生するビデオテープレコーダの垂
直相関性を利用したノイズキャンセル回路において、ヘ
ッド回転に基づいて擬似垂直同期信号を作成する手段と
、該擬似垂直同期信号期間中ノイズキャンセル回路を不
作動とする手段を備えることを特徴とするノイズキャン
セル回路。In a noise canceling circuit that utilizes the vertical correlation of a video tape recorder that plays soft tape to prevent dubbing by narrowing the width of the vertical synchronizing signal, there is provided a means for creating a pseudo vertical synchronizing signal based on head rotation; A noise canceling circuit comprising means for inactivating the noise canceling circuit during a pseudo vertical synchronization signal period.
JP2110184U 1984-02-15 1984-02-15 noise cancel circuit Pending JPS60134381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2110184U JPS60134381U (en) 1984-02-15 1984-02-15 noise cancel circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2110184U JPS60134381U (en) 1984-02-15 1984-02-15 noise cancel circuit

Publications (1)

Publication Number Publication Date
JPS60134381U true JPS60134381U (en) 1985-09-06

Family

ID=30512191

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2110184U Pending JPS60134381U (en) 1984-02-15 1984-02-15 noise cancel circuit

Country Status (1)

Country Link
JP (1) JPS60134381U (en)

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