JPS6198276U - - Google Patents
Info
- Publication number
- JPS6198276U JPS6198276U JP17936984U JP17936984U JPS6198276U JP S6198276 U JPS6198276 U JP S6198276U JP 17936984 U JP17936984 U JP 17936984U JP 17936984 U JP17936984 U JP 17936984U JP S6198276 U JPS6198276 U JP S6198276U
- Authority
- JP
- Japan
- Prior art keywords
- intermittent
- signal
- amount
- tracking
- tracking error
- 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
- 238000010586 diagram Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
第１図乃至第５図は本考案に係るリニアトラツ
キングアームの駆動回路の実施例を示し、第１図
は全体の構成を示すブロツク図、第２図は具体的
な回路構成図、第３図はレコード盤面の平面図、
第４図はトラツキングアームの移動軌跡を示す比
較図であつて、第４図Ａは本考案に係るものの軌
跡図、第４図Ｂは従来のものの軌跡図、第５図は
トラツキングアームに印加される振動成分を示す
比較図であつて、第５図Ａは本考案に係るものの
特性図、第５図Ｂは従来のものの特性図である。
第６図は従来のリニアトラツキングアームの駆動
装置を示すブロツク図である。
１：トラツキングアーム、２：ベース、３：レ
ール、４：モーター、５：駆動機構、６：光学的
センサー、７：アンプ、８：駆動アンプ、９：信
号断続手段、９ａ：断続制御回路、Ｔ：電源トラ
ンス。
1 to 5 show an embodiment of the linear tracking arm drive circuit according to the present invention, FIG. 1 is a block diagram showing the overall configuration, FIG. 2 is a specific circuit configuration diagram, and FIG. 3 is a block diagram showing the overall configuration. The figure is a plan view of the record surface.
Fig. 4 is a comparative diagram showing the movement locus of the tracking arm, in which Fig. 4A is a locus diagram of the one according to the present invention, Fig. 4B is a locus diagram of the conventional one, and Fig. 5 is a locus diagram of the tracking arm. FIG. 5A is a characteristic diagram of the device according to the present invention, and FIG. 5B is a characteristic diagram of the conventional device.
FIG. 6 is a block diagram showing a conventional linear tracking arm drive device. 1: Tracking arm, 2: Base, 3: Rail, 4: Motor, 5: Drive mechanism, 6: Optical sensor, 7: Amplifier, 8: Drive amplifier, 9: Signal intermittent means, 9a: Intermittent control circuit, T: Power transformer.
Claims (1)
ー量を検出し、その検出量に応じてトラツキング
エラー量が減少する方向にトラツキングアーム駆
動用モーターを閉ループ制御するように構成され
たリニアトラツキングアームの駆動回路において
、 上記閉ループ内におけるモーター制御に関する
いずれかの信号を常時所定の周期で断続し得るよ
うに構成した信号断続手段が設けられており、該
信号断続手段には上記トラツキングエラー量が所
定値以上に上昇した際に上記信号断続手段による
断続動作を停止させるように構成された断続制御
回路を備えていることを特徴とする駆動回路。[Claim for Utility Model Registration] The system is configured to detect the amount of tracking error of the linear tracking arm, and to control the tracking arm drive motor in a closed loop in a direction that reduces the amount of tracking error according to the detected amount. In the drive circuit for the linear tracking arm, a signal intermittent means is provided which is configured to constantly intermittent any signal related to motor control in the closed loop at a predetermined cycle, and the signal intermittent means A drive circuit comprising an intermittent control circuit configured to stop the intermittent operation by the signal intermittent means when the tracking error amount increases to a predetermined value or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17936984U JPH0244396Y2 (en) | 1984-11-28 | 1984-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17936984U JPH0244396Y2 (en) | 1984-11-28 | 1984-11-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6198276U true JPS6198276U (en) | 1986-06-24 |
| JPH0244396Y2 JPH0244396Y2 (en) | 1990-11-26 |
Family
ID=30736927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17936984U Expired JPH0244396Y2 (en) | 1984-11-28 | 1984-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244396Y2 (en) |
-
1984
- 1984-11-28 JP JP17936984U patent/JPH0244396Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0244396Y2 (en) | 1990-11-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6198276U (en) | ||
| JPS6161675U (en) | ||
| JPS6161673U (en) | ||
| JPS62133228U (en) | ||
| JPH0371443U (en) | ||
| JPS59140195U (en) | Robot position detection device | |
| JPS62117720U (en) | ||
| JPS62175459U (en) | ||
| JPS6289005U (en) | ||
| JPS61144944U (en) | ||
| JPS6285966U (en) | ||
| JPS61118102U (en) | ||
| JPS61114528U (en) | ||
| JPS6355263U (en) | ||
| JPS62106365U (en) | ||
| JPS60702U (en) | Tone arm control device | |
| JPH0255404U (en) | ||
| JPS56138374A (en) | Playback device of magnetic recording | |
| JPS6215135U (en) | ||
| JPS6286509U (en) | ||
| JPS61126427U (en) | ||
| JPS60147539U (en) | Outside mirror control device | |
| JPS63102035U (en) | ||
| JPH0366028U (en) | ||
| JPS6051601U (en) | Tone arm control device |