JPS58176270U - Control signal detection device for disk-shaped recording media - Google Patents

Control signal detection device for disk-shaped recording media

Info

Publication number
JPS58176270U
JPS58176270U JP7406582U JP7406582U JPS58176270U JP S58176270 U JPS58176270 U JP S58176270U JP 7406582 U JP7406582 U JP 7406582U JP 7406582 U JP7406582 U JP 7406582U JP S58176270 U JPS58176270 U JP S58176270U
Authority
JP
Japan
Prior art keywords
control signal
disk
detection device
shaped recording
signal detection
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
JP7406582U
Other languages
Japanese (ja)
Inventor
昭博 坂田
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP7406582U priority Critical patent/JPS58176270U/en
Publication of JPS58176270U publication Critical patent/JPS58176270U/en
Pending legal-status Critical Current

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  • Moving Of The Head To Find And Align With The Track (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図は溝なし静電容量方式のディスクの一例を示す要
部拡大平面図、第2図は溝なし静電容量方式の再生装置
のトラッキングコントロール回路   −を示すブロッ
ク図、第3図は従来の極性切換信号FP3の検出装置の
ブロック図、第4図、第5図、第6図は同動作説明波形
図、第7図は本考案の1実施例における極性切換信号の
検出装置のブロン −り図、第8図は同動作波形図、第
9図はクリップ回路の具体的な構成図である。 14・・・・・−入力端子、15・・・・・・バンドパ
スフィルター、16・・・・・・検波回路、17・・・
・・・波形整形回路、1B・・・・・・マイコン、24
・・・・・・クリップ回路、25・・・・・・増巾器。
Figure 1 is an enlarged plan view of essential parts of an example of a non-grooved capacitive disc, Figure 2 is a block diagram of a tracking control circuit for a non-grooved capacitive playback device, and Figure 3 is a conventional disc. FIG. 4, FIG. 5, and FIG. 6 are waveform diagrams for explaining the same operation. FIG. 7 is a block diagram of the detection device for the polarity switching signal in one embodiment of the present invention. 8 is a waveform diagram of the same operation, and FIG. 9 is a specific configuration diagram of the clip circuit. 14...-input terminal, 15...bandpass filter, 16...detection circuit, 17...
...Waveform shaping circuit, 1B...Microcomputer, 24
... Clip circuit, 25 ... Amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 情報信号と同一記録トラック上に重畳されて一定周波数
の制御信号が記録された円盤状記録担体より再生された
再生信号を、その再生信号の包路線の平均レベル以下の
レベルでクリップし、そのクリップされた信号を、帯域
フィルタを介して検波回路に導き前記制御信号を検波検
出することを特徴とする円盤状記録媒体の制御信号検出
装置。
A reproduced signal reproduced from a disk-shaped record carrier on which a control signal of a constant frequency is recorded superimposed on the same recording track as an information signal is clipped at a level below the average level of the envelope of the reproduced signal. A control signal detection device for a disk-shaped recording medium, characterized in that the control signal is guided to a detection circuit via a bandpass filter and the control signal is detected.
JP7406582U 1982-05-19 1982-05-19 Control signal detection device for disk-shaped recording media Pending JPS58176270U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7406582U JPS58176270U (en) 1982-05-19 1982-05-19 Control signal detection device for disk-shaped recording media

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7406582U JPS58176270U (en) 1982-05-19 1982-05-19 Control signal detection device for disk-shaped recording media

Publications (1)

Publication Number Publication Date
JPS58176270U true JPS58176270U (en) 1983-11-25

Family

ID=30083527

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7406582U Pending JPS58176270U (en) 1982-05-19 1982-05-19 Control signal detection device for disk-shaped recording media

Country Status (1)

Country Link
JP (1) JPS58176270U (en)

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