JPS61163312U - - Google Patents
Info
- Publication number
- JPS61163312U JPS61163312U JP4322785U JP4322785U JPS61163312U JP S61163312 U JPS61163312 U JP S61163312U JP 4322785 U JP4322785 U JP 4322785U JP 4322785 U JP4322785 U JP 4322785U JP S61163312 U JPS61163312 U JP S61163312U
- Authority
- JP
- Japan
- Prior art keywords
- storage means
- data storage
- stepping motor
- magnetic recording
- data
- 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
- 238000013500 data storage Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 1
Description
第１図は本考案の原理図、第２図は従来例のヘ
ツド位置決め装置の略示斜視図、第３図はピーク
シフトの説明図、第４図は本考案の一実施例に係
る磁気記録再生装置のヘツド位置決め装置の回路
図、第５図はステツピングモータの回転原理図、
第６図はステツピングモータの制御方法説明図、
第７図、第８図は第５図の交換器の回路図、第９
図は電源立上り時のタイミングチヤート図、第１
０図は読出しフイルタ切替をした場合としない場
合のピークシフトの比較図である。
１……ステツピングモータ、１０……基準トラ
ツク位置センサ、１１……トラツクカウンタ、１
２……ＰＲＯＭ、２３……読出しフイルタ。
Fig. 1 is a diagram of the principle of the present invention, Fig. 2 is a schematic perspective view of a conventional head positioning device, Fig. 3 is an explanatory diagram of peak shift, and Fig. 4 is a magnetic recording according to an embodiment of the present invention. A circuit diagram of the head positioning device of the playback device, Fig. 5 is a diagram of the rotation principle of the stepping motor,
Figure 6 is an explanatory diagram of the stepping motor control method;
Figures 7 and 8 are circuit diagrams of the exchanger in Figure 5, and Figure 9 is a circuit diagram of the exchanger in Figure 5.
The figure is a timing chart at power up, Part 1.
FIG. 0 is a comparison diagram of peak shifts with and without readout filter switching. 1...Stepping motor, 10...Reference track position sensor, 11...Track counter, 1
2...PROM, 23...Reading filter.
Claims (1)
、トラツクを計数する手段、予めトラツク毎のヘ
ツド位置決め誤差を補正する値を記憶させた不揮
発性のデータ記憶手段、そのデータ記憶手段の前
記補正値により上記ステツピングモータを制御す
る磁気記録再生装置のヘツド位置決め装置におい
て、前記データ記憶手段に読出しフイルタ切替デ
ータを記録し、そのデータによりフイルタの定数
を切替えるよう構成したことを特徴とする磁気記
録再装置のヘツド位置決め装置。 A stepping motor for positioning the magnetic head, a means for counting tracks, a non-volatile data storage means in which a value for correcting the head positioning error for each track is stored in advance, and the above-mentioned stepping motor is controlled by the correction value of the data storage means. A head positioning device for a magnetic recording and reproducing device for controlling a magnetic recording and reproducing device, characterized in that read filter switching data is recorded in the data storage means, and a constant of the filter is switched based on the data. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4322785U JPS61163312U (en) | 1985-03-27 | 1985-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4322785U JPS61163312U (en) | 1985-03-27 | 1985-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61163312U true JPS61163312U (en) | 1986-10-09 |
Family
ID=30554703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4322785U Pending JPS61163312U (en) | 1985-03-27 | 1985-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61163312U (en) |
-
1985
- 1985-03-27 JP JP4322785U patent/JPS61163312U/ja active Pending
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