JPH03115928U - - Google Patents
Info
- Publication number
- JPH03115928U JPH03115928U JP2069690U JP2069690U JPH03115928U JP H03115928 U JPH03115928 U JP H03115928U JP 2069690 U JP2069690 U JP 2069690U JP 2069690 U JP2069690 U JP 2069690U JP H03115928 U JPH03115928 U JP H03115928U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- generating
- sample pulse
- rotational position
- tracking
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案によるトラツキングサーボ制
御装置の一実施例の構成を示すブロツク図、第２
図は、本考案によるトラツキングサーボ制御装置
の一実施例の動作を説明するタイミングチヤート
、第３図および第４図は、従来のトラツキングサ
ーボ制御装置の一例の動作を説明するタイミング
チヤートである。
２……サンプルパルス作成判定回路、３……Ａ
ＴＦサーボ回路、４……ＲＦＨＤ作成回路、５…
…1/2分周回路、７……ラツチ回路、８……制御
回路、９……ダイオード。
FIG. 1 is a block diagram showing the configuration of an embodiment of a tracking servo control device according to the present invention, and FIG.
FIG. 4 is a timing chart illustrating the operation of an embodiment of the tracking servo control device according to the present invention, and FIGS. 3 and 4 are timing charts illustrating the operation of an example of the conventional tracking servo control device. . 2...Sample pulse creation judgment circuit, 3...A
TF servo circuit, 4...RFHD creation circuit, 5...
...1/2 frequency divider circuit, 7...Latch circuit, 8...Control circuit, 9...Diode.
Claims (1)
に含まれるトラツキング用の信号を検出し、前記
トラツキング用の信号が正しく検出されたとき、
所定のタイミングでサンプルパルスを作成し、出
力するサンプルパルス作成判定手段と、 回転ヘツドの回転に同期した信号であつて、１
回転に半周期変化する回転位置信号を作成する回
転位置信号作成手段と、 前記サンプルパルスが前記回転位置信号の所定
の位置で発生していることを検出する検出手段と
、 前記検出手段の出力に対応して前記回転ヘツド
のトレース位置を変更させる制御信号を生成する
制御手段とを有するトラツキングサーボ制御装置
。[Claims for Utility Model Registration] When a rotating head detects a tracking signal included in a reproduction signal reproduced from a magnetic tape, and the tracking signal is correctly detected,
a sample pulse creation determination means for creating and outputting a sample pulse at a predetermined timing; and a signal synchronized with the rotation of the rotary head,
a rotational position signal generating means for generating a rotational position signal that changes by half a period of rotation; a detection means for detecting that the sample pulse is generated at a predetermined position of the rotational position signal; and an output of the detection means. a tracking servo control device, comprising: control means for generating a control signal for correspondingly changing the tracing position of the rotary head;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2069690U JPH03115928U (en) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2069690U JPH03115928U (en) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03115928U true JPH03115928U (en) | 1991-12-02 |
Family
ID=31523785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2069690U Pending JPH03115928U (en) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03115928U (en) |
-
1990
- 1990-02-28 JP JP2069690U patent/JPH03115928U/ja active Pending
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