JPS58176270U - Control signal detection device for disk-shaped recording media - Google Patents
Control signal detection device for disk-shaped recording mediaInfo
- 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
Links
Landscapes
- 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
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)
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.
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) |
-
1982
- 1982-05-19 JP JP7406582U patent/JPS58176270U/en active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS60166865U (en) | information reproducing device | |
JPS58176270U (en) | Control signal detection device for disk-shaped recording media | |
JPS5810275U (en) | Information recording area detection device | |
JPS5849393U (en) | Display device in disc-shaped information recording medium playback device | |
JPS6077073U (en) | Dropout compensation circuit for recorded information playback device | |
JPS60123730U (en) | magnetic recording and reproducing device | |
JPS58141682U (en) | Differential amplifier circuit | |
JPS6077024U (en) | Tracking servo retraction device | |
JPH0439863U (en) | ||
JPS60186516U (en) | Playback tracking circuit for optical recording/playback disk with pre-group | |
JPS5960707U (en) | magnetic recording and playback device | |
JPS5887177U (en) | magnetic disk device | |
JPS5966936U (en) | magnetic recording and reproducing device | |
JPS5830912U (en) | magnetic disk device | |
JPS60106259U (en) | data recorder | |
JPS58127767U (en) | Dropout correction device | |
JPS6134665U (en) | information recording device | |
JPS60123706U (en) | data recorder | |
JPS60116626U (en) | automatic cue device | |
JPS599616U (en) | Distortion reduction circuit for frequency modulated wave signals | |
JPS60194757U (en) | magnetic recording and reproducing device | |
JPS6077001U (en) | Record player track interval detection circuit | |
JPS6137140U (en) | Capacitance value change detection type information signal reproducing device | |
JPS58165730U (en) | Recording/playback device | |
JPS6121028U (en) | Special operation control device for video tape recorder |