JPS5925616U - video tape recorder - Google Patents

video tape recorder

Info

Publication number
JPS5925616U
JPS5925616U JP12206482U JP12206482U JPS5925616U JP S5925616 U JPS5925616 U JP S5925616U JP 12206482 U JP12206482 U JP 12206482U JP 12206482 U JP12206482 U JP 12206482U JP S5925616 U JPS5925616 U JP S5925616U
Authority
JP
Japan
Prior art keywords
video tape
tape recorder
control signal
noise reduction
signal part
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
JP12206482U
Other languages
Japanese (ja)
Other versions
JPH0341322Y2 (en
Inventor
池町　委成
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 JP12206482U priority Critical patent/JPS5925616U/en
Publication of JPS5925616U publication Critical patent/JPS5925616U/en
Application granted granted Critical
Publication of JPH0341322Y2 publication Critical patent/JPH0341322Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Signal Processing Not Specific To The Method Of Recording And Reproducing (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]

図面はいずれも本考案に係り、第１図は記録時に使用さ
れる回路の回路図、第２図は第１図の要部波形図、第３
図は再生時に利用される回路の回路図、第４図は第３図
の要部波形図である。第５図はアフレコ機能を備える時
の第１図への付加回路の回路図、第６図はアフレコ機能
を備える時のコントロール／オーディオヘッドの構成を
示す図である。 主な図番の説明、２．　３．　４８．　４８’・・・フ
リップフロップ、５・・・発振器、１１．１１’　カウ
ンタ、１３，２１．３９・・・リセットパルス作成回路
、１７・・・ゲートパルス作成回路、２２．４０・・・
デコーダ回路、２９・・・ブートストラップ回路、３０
・・・加算器、３５・・・正負分離回路、３６．　３７
．　５１゜５１’　５２．５２’・・・単安定マルチ。The drawings are all related to the present invention; Figure 1 is a circuit diagram of the circuit used during recording, Figure 2 is a waveform diagram of the main part of Figure 1, and Figure 3 is a diagram of the main part of Figure 1.
The figure is a circuit diagram of a circuit used during reproduction, and FIG. 4 is a waveform diagram of the main part of FIG. 3. FIG. 5 is a circuit diagram of a circuit added to FIG. 1 when an after-recording function is provided, and FIG. 6 is a diagram showing the configuration of a control/audio head when an after-recording function is provided. Explanation of main drawing numbers, 2. 3. 48. 48'... Flip-flop, 5... Oscillator, 11.11' Counter, 13, 21.39... Reset pulse generation circuit, 17... Gate pulse generation circuit, 22.40...
Decoder circuit, 29... bootstrap circuit, 30
. . . Adder, 35 . . . Positive/negative separation circuit, 36. 37
．． 51°51'52.52'... Monostable multi.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ノイズリダクション回路を備えるビデオテープレコーダ
ーにおいて、記録時、立上り、立下り部を有するコント
ロール信号部分と立下り部のみを有する三角波形状で前
記コントロール信号部分と所定時間関係にあるノイズリ
ダクション制御信号部分を加算してコントロールトラッ
ク上に記録し、再生時上記ノイズリダクション制御信号
部分により前記ノイズリダクション回路を制御すること
を特徴とするビデオテープレコーダー。In a video tape recorder equipped with a noise reduction circuit, during recording, a control signal part having rising and falling parts and a noise reduction control signal part having a triangular wave shape having only a falling part and having a predetermined time relationship with the control signal part are added. A video tape recorder characterized in that the noise reduction circuit is controlled by the noise reduction control signal part during playback.
JP12206482U 1982-08-10 1982-08-10 video tape recorder Granted JPS5925616U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12206482U JPS5925616U (en) 1982-08-10 1982-08-10 video tape recorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12206482U JPS5925616U (en) 1982-08-10 1982-08-10 video tape recorder

Publications (2)

Publication Number Publication Date
JPS5925616U true JPS5925616U (en) 1984-02-17
JPH0341322Y2 JPH0341322Y2 (en) 1991-08-30

Family

ID=30279146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12206482U Granted JPS5925616U (en) 1982-08-10 1982-08-10 video tape recorder

Country Status (1)

Country Link
JP (1) JPS5925616U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6134703A (en) * 1984-07-25 1986-02-19 Sony Corp Recording and reproducing device of sound signal
JPH03284907A (en) * 1990-04-02 1991-12-16 Hayashi Baibureetaa Kk Drilling method for concrete product and apparatus therefor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108536U (en) * 1979-01-24 1980-07-30

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55108536U (en) * 1979-01-24 1980-07-30

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6134703A (en) * 1984-07-25 1986-02-19 Sony Corp Recording and reproducing device of sound signal
JPH03284907A (en) * 1990-04-02 1991-12-16 Hayashi Baibureetaa Kk Drilling method for concrete product and apparatus therefor

Also Published As

Publication number Publication date
JPH0341322Y2 (en) 1991-08-30

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