JPS60123764U - Dropout detection circuit in recorded information reproducing device - Google Patents

Dropout detection circuit in recorded information reproducing device

Info

Publication number
JPS60123764U
JPS60123764U JP1196484U JP1196484U JPS60123764U JP S60123764 U JPS60123764 U JP S60123764U JP 1196484 U JP1196484 U JP 1196484U JP 1196484 U JP1196484 U JP 1196484U JP S60123764 U JPS60123764 U JP S60123764U
Authority
JP
Japan
Prior art keywords
envelope
recorded information
dropout detection
information reproducing
detection circuit
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
JP1196484U
Other languages
Japanese (ja)
Inventor
和男 黒田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioneer Corp
Original Assignee
Pioneer Corp
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 by Pioneer Corp filed Critical Pioneer Corp
Priority to JP1196484U priority Critical patent/JPS60123764U/en
Publication of JPS60123764U publication Critical patent/JPS60123764U/en
Pending legal-status Critical Current

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  • 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

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

第１曲は従来例を示すブロック図、第２図は本考案の一
実施例を示すブロック図、第３図は第２図の回路動作を
説明するための各部波形図である。The first song is a block diagram showing a conventional example, FIG. 2 is a block diagram showing an embodiment of the present invention, and FIG. 3 is a waveform diagram of each part for explaining the operation of the circuit shown in FIG.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 記録媒体から読み取られかつ復調して得られるＦＭ復調
信号の上側エンベロープを検出する第１・のエンベ凸−
プ検出手段と、前言９Ｍ復調信号の下側エンベロープを
検出する第゛２のエンペロニブ検出手段と、前記第１及
び第２のにンベロープ検出手段の各出力の差分をとる手
段と、この差分量力に基づいてドロップアウト検出信号
を発生ずる検出手段とからなることを特徴とする記録情
報再生装置におけるドロップアウト検出回路。The first envelope convex detects the upper envelope of the FM demodulated signal obtained by reading and demodulating the recording medium.
a second envelope detection means for detecting the lower envelope of the aforementioned 9M demodulated signal; a means for taking a difference between the respective outputs of the first and second envelope detection means; 1. A dropout detection circuit in a recorded information reproducing apparatus, comprising a detection means for generating a dropout detection signal based on the dropout detection signal.
JP1196484U 1984-01-31 1984-01-31 Dropout detection circuit in recorded information reproducing device Pending JPS60123764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1196484U JPS60123764U (en) 1984-01-31 1984-01-31 Dropout detection circuit in recorded information reproducing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1196484U JPS60123764U (en) 1984-01-31 1984-01-31 Dropout detection circuit in recorded information reproducing device

Publications (1)

Publication Number Publication Date
JPS60123764U true JPS60123764U (en) 1985-08-21

Family

ID=30494578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1196484U Pending JPS60123764U (en) 1984-01-31 1984-01-31 Dropout detection circuit in recorded information reproducing device

Country Status (1)

Country Link
JP (1) JPS60123764U (en)

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