JPS60134381U - noise cancel circuit - Google Patents
noise cancel circuitInfo
- 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
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
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)
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.
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) |
-
1984
- 1984-02-15 JP JP2110184U patent/JPS60134381U/en active Pending
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