JPS59112359U - Disc-shaped information recording medium reproducing device - Google Patents
Disc-shaped information recording medium reproducing deviceInfo
- Publication number
- JPS59112359U JPS59112359U JP612883U JP612883U JPS59112359U JP S59112359 U JPS59112359 U JP S59112359U JP 612883 U JP612883 U JP 612883U JP 612883 U JP612883 U JP 612883U JP S59112359 U JPS59112359 U JP S59112359U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- information recording
- shaped information
- disc
- reproducing element
- 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
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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案装置の一実施例の概略ブロック系統図、
第２図は本考案装置に用いる駆動制御回路の具体的回路
図である。
１・・・円盤状情報記録媒体（ディスク）、２・・・再
生針、２ａ・・・トラッキングコイル、６・・・駆動制
御回路、７・・・キャリッジ駆動回路、８・・・再生針
移送体（キャリッジ）、９・・・差動アンプ、１０・・
・位相補償アンプ、Ｒ□〜Ｒ１・・・抵抗、Ｄａ、Ｄｂ
・・・ダイオード。FIG. 1 is a schematic block system diagram of an embodiment of the device of the present invention;
FIG. 2 is a specific circuit diagram of the drive control circuit used in the device of the present invention. DESCRIPTION OF SYMBOLS 1... Disc-shaped information recording medium (disc), 2... Playback needle, 2a... Tracking coil, 6... Drive control circuit, 7... Carriage drive circuit, 8... Playback needle transfer body (carriage), 9...differential amplifier, 10...
・Phase compensation amplifier, R□~R1...Resistance, Da, Db
···diode.
Claims (1)
ラー信号を供給されて該再生素子を取付けられた再生素
子移送体を円盤状情報記録媒体の径方向に移送する駆動
回路と、該トラッキングエラー信号がいかなる値になっ
ても該トラッキング制御がなされている再生時に出力さ
れる値を越えないようにクランプして該駆動回路に供給
する回路とを設けてなる円盤状情報記録媒体再生装置。A drive circuit that is supplied with a tracking error signal for tracking control of a reproducing element and transports a reproducing element transporting body to which the reproducing element is attached in a radial direction of a disk-shaped information recording medium, and a drive circuit that is supplied with a tracking error signal for tracking control of the reproducing element, A disc-shaped information recording medium reproducing apparatus is provided with a circuit that clamps the output value so as not to exceed a value outputted during reproduction under the tracking control, and supplies the clamped signal to the drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP612883U JPS59112359U (en) | 1983-01-20 | 1983-01-20 | Disc-shaped information recording medium reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP612883U JPS59112359U (en) | 1983-01-20 | 1983-01-20 | Disc-shaped information recording medium reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59112359U true JPS59112359U (en) | 1984-07-28 |
| JPH026556Y2 JPH026556Y2 (en) | 1990-02-16 |
Family
ID=30137692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP612883U Granted JPS59112359U (en) | 1983-01-20 | 1983-01-20 | Disc-shaped information recording medium reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59112359U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5491306A (en) * | 1977-12-28 | 1979-07-19 | Victor Co Of Japan Ltd | Automatic feed follower of information signal reproducer |
| JPS57198581A (en) * | 1981-05-29 | 1982-12-06 | Victor Co Of Japan Ltd | Tracking control system for reproducing device of information recording medium disc |
-
1983
- 1983-01-20 JP JP612883U patent/JPS59112359U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5491306A (en) * | 1977-12-28 | 1979-07-19 | Victor Co Of Japan Ltd | Automatic feed follower of information signal reproducer |
| JPS57198581A (en) * | 1981-05-29 | 1982-12-06 | Victor Co Of Japan Ltd | Tracking control system for reproducing device of information recording medium disc |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH026556Y2 (en) | 1990-02-16 |
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