JPS62198531U - - Google Patents
Info
- Publication number
- JPS62198531U JPS62198531U JP8589886U JP8589886U JPS62198531U JP S62198531 U JPS62198531 U JP S62198531U JP 8589886 U JP8589886 U JP 8589886U JP 8589886 U JP8589886 U JP 8589886U JP S62198531 U JPS62198531 U JP S62198531U
- Authority
- JP
- Japan
- Prior art keywords
- reproducing device
- rotational phase
- magnetic recording
- track
- servo circuit
- 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
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
Description
第１図は本考案回路の一実施例のブロツク系統
図、第２図は鋸歯状波を説明するための図、第３
図、第４図は回転シリンダと磁気テープとの関係
を示す図、第５図は磁気ヘツドの走査軌跡を示す
図、第６図は本考案及び従来夫々の磁気テープ上
の１Ｈ期間記録間隔を示す図である。
１０…磁気テープ、１２…回転ドラム、１４ａ
，１４ｂ…回転ヘツド、２１…ドラムモータ、２
２…ＰＧヘツド、２５…フリツプフロツプ、２７
…鋸歯状波発生器。
Fig. 1 is a block system diagram of one embodiment of the circuit of the present invention, Fig. 2 is a diagram for explaining a sawtooth wave, and Fig. 3 is a diagram for explaining a sawtooth wave.
4 shows the relationship between the rotating cylinder and the magnetic tape, FIG. 5 shows the scanning locus of the magnetic head, and FIG. 6 shows the 1H period recording interval on the magnetic tape of the present invention and the conventional method. FIG. 10... Magnetic tape, 12... Rotating drum, 14a
, 14b...Rotating head, 21...Drum motor, 2
2...PG head, 25...Flip-flop, 27
...sawtooth generator.
Claims (1)
号の記録及び再生を行なう回転ヘツドの回転位相
及び速度を制御する磁気記録再生装置のサーボ回
路において、 該回転ヘツドの回転位相を検出して得られるパ
ルスに同期した鋸歯状波を発生し回転位相制御用
の誤差信号に重畳する回路を設けてなり、 該回転ヘツドの回転速度をトラツクの走査開始
時に遅く走査終了時に速くなるよう可変してなる
磁気記録再生装置のサーボ回路。[Scope of Claim for Utility Model Registration] In a servo circuit of a magnetic recording and reproducing device that controls the rotational phase and speed of a rotary head that records and reproduces signals on a track inclined in the longitudinal direction of a magnetic tape, A circuit is provided which generates a sawtooth wave synchronized with the pulse obtained by detecting the track and superimposes it on the error signal for rotational phase control. A servo circuit for a magnetic recording/reproducing device that is variable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8589886U JPS62198531U (en) | 1986-06-05 | 1986-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8589886U JPS62198531U (en) | 1986-06-05 | 1986-06-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198531U true JPS62198531U (en) | 1987-12-17 |
Family
ID=30941721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8589886U Pending JPS62198531U (en) | 1986-06-05 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198531U (en) |
-
1986
- 1986-06-05 JP JP8589886U patent/JPS62198531U/ja active Pending
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