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
Links
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Television Signal Processing For Recording (AREA)
Description
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)
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.
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) |
-
1986
- 1986-11-26 JP JP18042486U patent/JPS6385979U/ja active Pending
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