JPH02113857U - - Google Patents
Info
- Publication number
- JPH02113857U JPH02113857U JP1918089U JP1918089U JPH02113857U JP H02113857 U JPH02113857 U JP H02113857U JP 1918089 U JP1918089 U JP 1918089U JP 1918089 U JP1918089 U JP 1918089U JP H02113857 U JPH02113857 U JP H02113857U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- tracking device
- reproduced signal
- magnetic head
- magnetic
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Moving Of The Head To Find And Align With The Track (AREA)
Description
第１図は本考案の磁気デイスク再生機における
トラツキング装置の一実施例を示すブロツク図、
第２図Ａはトラツク配向の説明図、第２図Ｂは再
生出力包絡外形線のタイムチヤートである。
図面中、１は再生ヘツドを示す。
FIG. 1 is a block diagram showing an embodiment of a tracking device in a magnetic disk player of the present invention;
FIG. 2A is an explanatory diagram of the track orientation, and FIG. 2B is a time chart of the reproduced output envelope outline. In the drawings, 1 indicates a playback head.
Claims (1)
号を再生可能に構成してある磁気デイスク再生機
において、信号再生時に再生信号ピツクアツプ用
磁気ヘツドを前記トラツクに追従位置させるため
に設けられているトラツキング装置であつて再生
信号の包絡外形線の任意の点とそこから1/4回転
移動した点の２点の値の和（または平均）が最大
となるように前記磁気ヘツドの位置を自動調節す
る手段を設けてあることを特徴とする磁気デイス
ク再生機におけるトラツキング装置。 In a magnetic disk reproducing machine configured to be able to reproduce signals from a magnetic disk having a plurality of tracks, a tracking device is provided for positioning a magnetic head for picking up a reproduced signal to follow the track during signal reproduction. means for automatically adjusting the position of the magnetic head so that the sum (or average) of the values of two points, an arbitrary point on the envelope outline of the reproduced signal and a point moved 1/4 rotation from there, is provided. A tracking device for a magnetic disk player, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1918089U JPH02113857U (en) | 1989-02-21 | 1989-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1918089U JPH02113857U (en) | 1989-02-21 | 1989-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02113857U true JPH02113857U (en) | 1990-09-12 |
Family
ID=31234465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1918089U Pending JPH02113857U (en) | 1989-02-21 | 1989-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02113857U (en) |
-
1989
- 1989-02-21 JP JP1918089U patent/JPH02113857U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH02113857U (en) | ||
| JPS61132567U (en) | ||
| JPS6179839U (en) | ||
| JPS61140494U (en) | ||
| JPH01165901U (en) | ||
| JPS6385978U (en) | ||
| JPH01138255U (en) | ||
| JPS59130285U (en) | Information recording disc playback device | |
| JPS63142033U (en) | ||
| JPS61121511U (en) | ||
| JPS58105013U (en) | magnetic tape recorder | |
| JPH0481283U (en) | ||
| JPS63184473U (en) | ||
| JPS63109368U (en) | ||
| JPS60175369U (en) | Magnetic disk recording/playback device | |
| JPS63181154U (en) | ||
| JPH0197459U (en) | ||
| JPS6263841U (en) | ||
| JPS6035368U (en) | Clock generator for recording/playback equipment | |
| JPS62147192U (en) | ||
| JPS63129205U (en) | ||
| JPS6324705U (en) | ||
| JPS6381576U (en) | ||
| JPS63195668U (en) | ||
| JPS63142971U (en) |