JPS5877963U - FM modulated signal recording/reproducing device - Google Patents
FM modulated signal recording/reproducing deviceInfo
- Publication number
- JPS5877963U JPS5877963U JP17279181U JP17279181U JPS5877963U JP S5877963 U JPS5877963 U JP S5877963U JP 17279181 U JP17279181 U JP 17279181U JP 17279181 U JP17279181 U JP 17279181U JP S5877963 U JPS5877963 U JP S5877963U
- Authority
- JP
- Japan
- Prior art keywords
- signals
- delay circuit
- variable delay
- recording
- reproducing device
- 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)
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
第1図は分割FM変調方式の説明に用いる波形図、第2
図はこの考案を適用しうる記録再生装置の一例のヘッド
構成及びトラックパターンを示す路線図、第3図はこの
考案の一実施例の記録側の構成を示すブロック図、第4
図及び第6図はこの考案の一実施例の動作説明に用いる
波形図、第5図はこの考案の一実施例の再生側の構成を
示すブロック図、第7図はこの考案の一実施例における
遅延素子を示す図である。
8・・・・・・FM変調回路、9.10・・・・・・フ
リップフロップ、24.25・・・・・・可変遅延回路
、28゜29・・・・・・セレクタ、31・・・・・・
遅延回路、36・・・・・・エンコーダ、37.42・
・・・・・FM復調回路。
第1図Figure 1 is a waveform diagram used to explain the split FM modulation method;
The figure is a route diagram showing the head configuration and track pattern of an example of a recording/reproducing apparatus to which this invention can be applied, FIG. 3 is a block diagram showing the recording side configuration of an embodiment of this invention, and FIG.
6 and 6 are waveform diagrams used to explain the operation of an embodiment of this invention, FIG. 5 is a block diagram showing the configuration of the playback side of an embodiment of this invention, and FIG. 7 is an embodiment of this invention. FIG. 3 is a diagram showing a delay element in FIG. 8...FM modulation circuit, 9.10...Flip-flop, 24.25...Variable delay circuit, 28°29...Selector, 31...・・・・・・
Delay circuit, 36...Encoder, 37.42.
...FM demodulation circuit. Figure 1
Claims (1)
のエツジ情報を夫々有する2n個(n” 1m2.3・
・・・・・)の信号に分解して記録再生するFM変調信
号の記録再生装置において、上記21個の信号の各々の
水平ブランキング期間内の信号に代えて同一位相の基準
信号を付加して記録し、再生された上記2n個の信号の
各々を可変遅延回路に供給すると共に、上記2n個の信
号の各各々に含まれる基準信号を位相比較し、この位相
比較出力により上記可変遅延回路の遅延量を制御し、上
記可変遅延回路の出力に得られる2n個の信号を合成し
てFM復調するようにしたFM変調信号の記録再生装置
。 2 可変遅延回路がECL素子が複数個縦続接続され、
その段間からタップが導出され、このタップを切り替え
る構成とされていることを特徴とする特許請求の範囲第
1項記載のFM変調信号の記録再生装置。[Claims for Utility Model Registration] 1. FM modulated signals obtained by FM modulating a video signal into 2n pieces (n" 1m2.3.
In a recording/reproducing device for recording/reproducing FM modulated signals which decomposes the signal into signals of Each of the 2n signals recorded and reproduced is supplied to the variable delay circuit, the reference signals included in each of the 2n signals are compared in phase, and the phase comparison output is used to control the variable delay circuit. An FM modulated signal recording and reproducing device which controls the delay amount of the variable delay circuit and synthesizes 2n signals obtained from the output of the variable delay circuit to perform FM demodulation. 2. The variable delay circuit has multiple ECL elements connected in cascade,
2. The recording and reproducing apparatus for FM modulated signals according to claim 1, wherein taps are derived from between the stages and the taps are switched.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17279181U JPS5877963U (en) | 1981-11-20 | 1981-11-20 | FM modulated signal recording/reproducing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17279181U JPS5877963U (en) | 1981-11-20 | 1981-11-20 | FM modulated signal recording/reproducing device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5877963U true JPS5877963U (en) | 1983-05-26 |
Family
ID=29964673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17279181U Pending JPS5877963U (en) | 1981-11-20 | 1981-11-20 | FM modulated signal recording/reproducing device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5877963U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262402A (en) * | 1985-09-12 | 1987-03-19 | Sony Corp | Recording and reproducing device for video signal |
-
1981
- 1981-11-20 JP JP17279181U patent/JPS5877963U/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262402A (en) * | 1985-09-12 | 1987-03-19 | Sony Corp | Recording and reproducing device for video signal |
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