JPS6133262U - Dropout detection circuit - Google Patents
Dropout detection circuitInfo
- Publication number
- JPS6133262U JPS6133262U JP11554284U JP11554284U JPS6133262U JP S6133262 U JPS6133262 U JP S6133262U JP 11554284 U JP11554284 U JP 11554284U JP 11554284 U JP11554284 U JP 11554284U JP S6133262 U JPS6133262 U JP S6133262U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- dropout
- high frequency
- detection circuit
- correction
- 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図は本発明回路の一実施例の回路構成図、第２図は
第１図示の回路を適用した欠陥検査装置の一実施例のブ
ロック系統図である。
１・・・再生機、２・・・ｃｐｕ．， ３・・・ドロッ
プアウト検出回路、１１・・・シフトレジスタ、１２，
１８，２０， ２２， ３７・・・充放電回路、１
４，３０，３４，４１．４８・・・モノマルチ、１５〜
１７，３６，４５・・・アンプ、１９，２１，２３．３
８・・・コンパレータ、２４，２５．３９・・・アンド
回路、２７・・・デコーダ、２８・・・インパータ、２
９，３１・・・オア回路、３２・・・エンコーダ、４６
・・・検波器、４７・・でツファ回路、４９・・・ノア
回路、５２・・・カウンタ、５４・・・分周器。FIG. 1 is a circuit configuration diagram of an embodiment of the circuit of the present invention, and FIG. 2 is a block system diagram of an embodiment of a defect inspection apparatus to which the circuit shown in FIG. 1 is applied. 1... Regenerator, 2... cpu. , 3... Dropout detection circuit, 11... Shift register, 12,
18, 20, 22, 37...charging/discharging circuit, 1
4, 30, 34, 41.48...Mono multi, 15~
17, 36, 45...Amplifier, 19, 21, 23.3
8... Comparator, 24, 25.39... AND circuit, 27... Decoder, 28... Inperter, 2
9, 31...OR circuit, 32...encoder, 46
...Detector, 47...Tufa circuit, 49...Nor circuit, 52...Counter, 54...Frequency divider.
Claims (1)
信号より生成され再生情報信号の補正． に用いられる
補正信号より、該情報信号のドロップアウトを検出する
ドロツプアーウト検出回路であって、互いに検出感度が
異なり該高周波信号又は補正信号よりド珀ツプアウトを
検出する複数の検出器と、該複数の検出器の検出信号を
供給され検出器に応じた優先度のドロップアウト検出デ
ータを生成するデータ生成回路とを具備してなるドロッ
プアウト検出回路。Correction of a high frequency signal obtained by reproducing an information recording disk or a reproduced information signal generated from the high frequency signal. A dropout detection circuit detects a dropout of the information signal from a correction signal used for the high frequency signal or the correction signal, the plurality of detectors having mutually different detection sensitivities detecting the dropout from the high frequency signal or the correction signal, and A dropout detection circuit comprising: a data generation circuit that is supplied with a detection signal of a detector and generates dropout detection data with a priority according to the detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11554284U JPS6133262U (en) | 1984-07-28 | 1984-07-28 | Dropout detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11554284U JPS6133262U (en) | 1984-07-28 | 1984-07-28 | Dropout detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6133262U true JPS6133262U (en) | 1986-02-28 |
Family
ID=30674515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11554284U Pending JPS6133262U (en) | 1984-07-28 | 1984-07-28 | Dropout detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6133262U (en) |
-
1984
- 1984-07-28 JP JP11554284U patent/JPS6133262U/en active Pending
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