JPS6066173U - Video tape recorder noise canceller - Google Patents

Video tape recorder noise canceller

Info

Publication number
JPS6066173U
JPS6066173U JP15863183U JP15863183U JPS6066173U JP S6066173 U JPS6066173 U JP S6066173U JP 15863183 U JP15863183 U JP 15863183U JP 15863183 U JP15863183 U JP 15863183U JP S6066173 U JPS6066173 U JP S6066173U
Authority
JP
Japan
Prior art keywords
tape recorder
video tape
noise
noise canceller
video
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.)
Granted
Application number
JP15863183U
Other languages
Japanese (ja)
Other versions
JPH0441668Y2 (en
Inventor
正雄 鈴木
Original Assignee
ソニー株式会社
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 ソニー株式会社 filed Critical ソニー株式会社
Priority to JP15863183U priority Critical patent/JPS6066173U/en
Publication of JPS6066173U publication Critical patent/JPS6066173U/en
Application granted granted Critical
Publication of JPH0441668Y2 publication Critical patent/JPH0441668Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Television Signal Processing For Recording (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Picture Signal Circuits (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) [Summary] 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図は従来のノイズキャンセラを示すブロック図、第
２図はノイズキャンセラの出力についての先鋭度対Ｓ／
Ｎ比の関係を示す曲線図、第３図は本考案によるノイズ
キャンセラを用いたＶＴＲを示すブロック図、第４図は
本考案によるビデオテープレコーダのノイズキャンセラ
の一実施例ヲ示すブロック図である。 １１・・・記録回路部、２２・・・再生回路部、２６・
・・ノイズキャンセラ、３１・・・バイパスフィルタ、
３２・・・リミッタ、３３・・・しづル切換回路、３４
・・・減算回路、ＳＷ・・・レベル切換用スイッチ。Fig. 1 is a block diagram showing a conventional noise canceler, and Fig. 2 shows the sharpness vs. S/S/ of the output of the noise canceler.
FIG. 3 is a block diagram showing a VTR using the noise canceler according to the present invention, and FIG. 4 is a block diagram showing an embodiment of the noise canceler for a video tape recorder according to the present invention. 11... Recording circuit section, 22... Reproducing circuit section, 26.
...Noise canceller, 31...Bypass filter,
32...Limiter, 33...Shizuru switching circuit, 34
...Subtraction circuit, SW...level changeover switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 異なるテープ速度で再生して得た再生信号を共通のノイ
ズキャンセラによってノイズを低減させてビデオ信号を
再生するようにしてなるビデオテープレコーダにおいて
、再生時のテープ速度に応じてノイズキャンセル信号の
レベルを切換えるノイズキャンセルレベル切換手段を具
えることを特徴とするビデオテープレコーダのノイズキ
ャンセラ。In a video tape recorder that reproduces a video signal by reducing the noise of the reproduced signals obtained by playing back at different tape speeds using a common noise canceler, the level of the noise canceling signal is switched according to the tape speed during playback. A noise canceler for a video tape recorder, comprising a noise canceling level switching means.
JP15863183U 1983-10-13 1983-10-13 Video tape recorder noise canceller Granted JPS6066173U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15863183U JPS6066173U (en) 1983-10-13 1983-10-13 Video tape recorder noise canceller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15863183U JPS6066173U (en) 1983-10-13 1983-10-13 Video tape recorder noise canceller

Publications (2)

Publication Number Publication Date
JPS6066173U true JPS6066173U (en) 1985-05-10
JPH0441668Y2 JPH0441668Y2 (en) 1992-09-30

Family

ID=30349409

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15863183U Granted JPS6066173U (en) 1983-10-13 1983-10-13 Video tape recorder noise canceller

Country Status (1)

Country Link
JP (1) JPS6066173U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427613U (en) * 1977-07-25 1979-02-23
JPS58124384A (en) * 1982-01-20 1983-07-23 Sanyo Electric Co Ltd Frequency characteristic adjusting circuit for video disc player

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529248A (en) * 1975-07-09 1977-01-24 Mitsubishi Electric Corp Safety device in a lift entrance opening

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5427613U (en) * 1977-07-25 1979-02-23
JPS58124384A (en) * 1982-01-20 1983-07-23 Sanyo Electric Co Ltd Frequency characteristic adjusting circuit for video disc player

Also Published As

Publication number Publication date
JPH0441668Y2 (en) 1992-09-30

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