JPS6019276U - Dropout compensation circuit - Google Patents
Dropout compensation circuitInfo
- Publication number
- JPS6019276U JPS6019276U JP10974183U JP10974183U JPS6019276U JP S6019276 U JPS6019276 U JP S6019276U JP 10974183 U JP10974183 U JP 10974183U JP 10974183 U JP10974183 U JP 10974183U JP S6019276 U JPS6019276 U JP S6019276U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- delay
- switch
- dropout
- 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
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図は従来例の回路ブロック図、第２図は同要部波形
説明図、第３図は本考案の一実施例回路の回路ブロック
図、第４図は同要部波形説明図をそれぞれ顕わす。
主な図番の説明、１・・佳］ツブアウト検出回路、２・
・・ＦＭ復調回路、３・・・ＩＨ遅延回路、４・・・遅
延パルス発生回路、Ｓｌ・・・第１スイツチ、Ｓ２・・
・第２スイツチ。Fig. 1 is a circuit block diagram of the conventional example, Fig. 2 is an explanatory diagram of waveforms of the same main part, Fig. 3 is a circuit block diagram of an embodiment of the circuit of the present invention, and Fig. 4 is an explanatory diagram of waveforms of the main part of the same. Reveal. Explanation of the main drawing numbers, 1... Good] Tube out detection circuit, 2.
...FM demodulation circuit, 3...IH delay circuit, 4...delay pulse generation circuit, Sl...first switch, S2...
・Second switch.
Claims (1)
プアウト検出回路と、再生ＦＭ映像信号を復調するＦＭ
復調回路と、該ＦＭ復調出力とそのＩＨ遅延出力を入力
とし前記ドロップアウト検出力にて前記ＩＨ遅延出力を
選択する第１スイツチと、該第１スイツチ出力をＩＨ遅
延する遅延回路と、前記１・゛珀ツブアウト検出出力の
発生タイミングよりＩＨ弱遅れ終了タイミングよりＩＨ
遅れる遅延パルスを導出する遅延パルス発生回路と、前
記第１スイツチ出力と前記ＩＨ遅延出力とを入力とし前
記遅延パルスにて前記第１スイツチ出力を選択する第２
スイッチ回路とを設けて成るドロップアウト補償回路。A dropout detection circuit that detects dropouts from the reproduced FM video signal, and an FM demodulator that demodulates the reproduced FM video signal.
a demodulation circuit; a first switch that receives the FM demodulation output and its IH delay output and selects the IH delay output using the dropout detection power; a delay circuit that delays the first switch output by IH;・IH is slightly delayed from the generation timing of the black tube out detection output.
a delay pulse generation circuit that derives a delayed delay pulse; and a second circuit that receives the first switch output and the IH delay output and selects the first switch output using the delay pulse.
A dropout compensation circuit comprising a switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10974183U JPS6019276U (en) | 1983-07-14 | 1983-07-14 | Dropout compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10974183U JPS6019276U (en) | 1983-07-14 | 1983-07-14 | Dropout compensation circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6019276U true JPS6019276U (en) | 1985-02-09 |
| JPS6347116Y2 JPS6347116Y2 (en) | 1988-12-06 |
Family
ID=30255515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10974183U Granted JPS6019276U (en) | 1983-07-14 | 1983-07-14 | Dropout compensation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6019276U (en) |
-
1983
- 1983-07-14 JP JP10974183U patent/JPS6019276U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6347116Y2 (en) | 1988-12-06 |
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