JPS6385979U - - Google Patents

Info

Publication number
JPS6385979U
JPS6385979U JP18042486U JP18042486U JPS6385979U JP S6385979 U JPS6385979 U JP S6385979U JP 18042486 U JP18042486 U JP 18042486U JP 18042486 U JP18042486 U JP 18042486U JP S6385979 U JPS6385979 U JP S6385979U
Authority
JP
Japan
Prior art keywords
playback
control signal
equalization
equalization circuit
reproduction
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
JP18042486U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP18042486U priority Critical patent/JPS6385979U/ja
Publication of JPS6385979U publication Critical patent/JPS6385979U/ja
Pending legal-status Critical Current

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  • Television Signal Processing For Recording (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本考案の全体を示すブロツク図、第2
図は従来のコサイン等化回路のブロツク図、第3
図は等化器の詳細を示すブロツク図、第4図は等
化器の周波数特性を示す図、第5図は可変速再生
における等化特性を説明するための図である。 1:入力信号、2:等化器、3:出力信号、4
:等化制御信号、5:テープ速度情報信号、6:
スイツチ回路、7:バツフア回路、8:遅延線、
9:遅延線出力信号、10:差動増幅器、11:
遅延線の入力信号と反射信号が加わつたもの、1
2:バツフア回路、13:利得制御回路、14:
利得制御された信号。
Figure 1 is a block diagram showing the entire invention, Figure 2
The figure is a block diagram of a conventional cosine equalization circuit.
FIG. 4 is a block diagram showing the details of the equalizer, FIG. 4 is a diagram showing the frequency characteristics of the equalizer, and FIG. 5 is a diagram for explaining the equalization characteristics in variable speed reproduction. 1: Input signal, 2: Equalizer, 3: Output signal, 4
: Equalization control signal, 5: Tape speed information signal, 6:
switch circuit, 7: buffer circuit, 8: delay line,
9: Delay line output signal, 10: Differential amplifier, 11:
The input signal of the delay line plus the reflected signal, 1
2: Buffer circuit, 13: Gain control circuit, 14:
Gain controlled signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 等化制御信号によつて、通常再生時再生FM信
号を等化するように制御するビデオテープレコー
ダの再生等化回路において、可変速再生時にはテ
ープスピードに応じた制御信号を前記等化制御信
号に加えて前記再生等化回路を制御するようにし
たことを特徴とする再生等化回路。
In a playback equalization circuit of a video tape recorder that controls the playback FM signal during normal playback to be equalized by an equalization control signal, a control signal corresponding to the tape speed is applied to the equalization control signal during variable speed playback. A reproduction equalization circuit further comprising: controlling the reproduction equalization circuit.
JP18042486U 1986-11-26 1986-11-26 Pending JPS6385979U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18042486U JPS6385979U (en) 1986-11-26 1986-11-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18042486U JPS6385979U (en) 1986-11-26 1986-11-26

Publications (1)

Publication Number Publication Date
JPS6385979U true JPS6385979U (en) 1988-06-04

Family

ID=31124369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18042486U Pending JPS6385979U (en) 1986-11-26 1986-11-26

Country Status (1)

Country Link
JP (1) JPS6385979U (en)

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