JPS6349635U - - Google Patents
Info
- Publication number
- JPS6349635U JPS6349635U JP14223986U JP14223986U JPS6349635U JP S6349635 U JPS6349635 U JP S6349635U JP 14223986 U JP14223986 U JP 14223986U JP 14223986 U JP14223986 U JP 14223986U JP S6349635 U JPS6349635 U JP S6349635U
- Authority
- JP
- Japan
- Prior art keywords
- error signal
- output
- response
- tracking
- motor
- 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図は本考案の磁気記録再生装置のブロツク
図である。
１……回転ヘツド、２……再生手段、３……ト
ラツキング手段、４，５……検出手段、６……制
御手段、７……スイツチ手段、８……加算手段、
９……駆動手段、１０……モータ、１１……キヤ
プスタン、１２……パルス発生手段、１３……位
相サーボ手段、１４……速度サーボ手段、１５…
…入力手段。
FIG. 1 is a block diagram of a magnetic recording/reproducing apparatus according to the present invention. DESCRIPTION OF SYMBOLS 1...Rotating head, 2...Reproducing means, 3...Tracking means, 4, 5...Detecting means, 6...Controlling means, 7...Switching means, 8...Adding means,
9... Drive means, 10... Motor, 11... Capstan, 12... Pulse generating means, 13... Phase servo means, 14... Speed servo means, 15...
...Input means.
Claims (1)
ヤプスタンを回転させるモータと、該モータの回
転に同期したパルスを発生するパルス発生手段と
、該パルス発生手段の出力に対応して速度誤差信
号を発生する速度サーボ手段と、該パルス発生手
段の出力に対応して位相誤差信号を発生する位相
サーボ手段と、トラツキングエラー信号を生成す
るトラツキング手段と、該トラツキングエラー信
号と該位相誤差信号とを選択するスイツチ手段と
、該スイツチ手段の出力と該速度誤差信号とを加
算する加算手段と、該加算手段の出力に対応して
該モータを駆動する駆動手段と、該磁気テープか
ら再生される再生信号からそのＲＦ信号を検出す
るか又はトラツキング状態を検出する検出手段と
、該検出手段の出力に対応して該スイツチ手段を
切り換え制御する制御手段とを備えることを特徴
とする磁気記録再生装置。 A capstan that runs a magnetic tape, a motor that rotates the capstan, a pulse generator that generates pulses synchronized with the rotation of the motor, and a speed servo that generates a speed error signal in response to the output of the pulse generator. means, phase servo means for generating a phase error signal in response to the output of the pulse generating means, tracking means for generating a tracking error signal, and a switch for selecting the tracking error signal and the phase error signal. adding means for adding the output of the switching means and the speed error signal; driving means for driving the motor in response to the output of the adding means; 1. A magnetic recording and reproducing apparatus comprising: a detection means for detecting an RF signal or a tracking state; and a control means for switching and controlling the switching means in response to the output of the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14223986U JPS6349635U (en) | 1986-09-17 | 1986-09-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14223986U JPS6349635U (en) | 1986-09-17 | 1986-09-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6349635U true JPS6349635U (en) | 1988-04-04 |
Family
ID=31050776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14223986U Pending JPS6349635U (en) | 1986-09-17 | 1986-09-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6349635U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397325A (en) * | 1977-02-07 | 1978-08-25 | Victor Co Of Japan Ltd | Information recording medium reproducer |
| JPS6157773B2 (en) * | 1980-03-14 | 1986-12-08 | Olympus Optical Co |
-
1986
- 1986-09-17 JP JP14223986U patent/JPS6349635U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5397325A (en) * | 1977-02-07 | 1978-08-25 | Victor Co Of Japan Ltd | Information recording medium reproducer |
| JPS6157773B2 (en) * | 1980-03-14 | 1986-12-08 | Olympus Optical Co |
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