JPS6239253U - - Google Patents
Info
- Publication number
- JPS6239253U JPS6239253U JP13081085U JP13081085U JPS6239253U JP S6239253 U JPS6239253 U JP S6239253U JP 13081085 U JP13081085 U JP 13081085U JP 13081085 U JP13081085 U JP 13081085U JP S6239253 U JPS6239253 U JP S6239253U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- speed
- brake
- target value
- control 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図、
第２図および第３図は実施例におけるスイツチの
切替え状態の変化を示すタイムチヤートである。
１……速度制御回路、２……キヤプスタンモー
タ、３……速度目標値設定回路、４……ブレーキ
回路、５……ブレーキ量目標値設定回路、６……
シーケンス制御回路、７……駆動回路、８……ス
イツチ。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIGS. 2 and 3 are time charts showing changes in the switching state of the switch in the embodiment. 1... Speed control circuit, 2... Capstan motor, 3... Speed target value setting circuit, 4... Brake circuit, 5... Brake amount target value setting circuit, 6...
Sequence control circuit, 7...drive circuit, 8...switch.
Claims (1)
の回転速度を制御する速度制御回路と、この速度
制御回路に対して記録時のモードの種類に応じた
テープ走行速度の目標値を与える速度目標値設定
回路と、キヤプスタンモータに制動をかけるブレ
ーキ回路と、このブレーキ回路に対して記録時の
モードに応じたブレーキ量の目標値を与えるブレ
ーキ量目標値設定回路と、キヤプスタンモータを
前記速度制御回路による制御状態と前記ブレーキ
回路による制御状態に所定のタイミングで交互に
切替えるシーケンス制御回路とを備えて特殊再生
を行なう磁気記録再生装置であつて、前記シーケ
ンス制御回路はテープ速度の速い記録モードによ
つて記録された部分を再生する場合において前記
ブレーキ回路によつて一定時間制動をかけた後、
テープ速度の遅い記録モードによつて記録された
部分を再生する場合に対応した速度制御と制動制
御を前記速度制御回路およびブレーキ回路に実行
させ、キヤプスタンモータを停止させることを特
徴とする磁気記録再生装置。 A speed control circuit that controls the rotational speed of the capstan motor, which is the power source for tape running, and a speed target value setting that provides a target value for the tape running speed according to the type of recording mode to this speed control circuit. a brake circuit that applies braking to the capstan motor, a brake amount target value setting circuit that gives the brake circuit a target value of the brake amount according to the mode at the time of recording, and a brake amount target value setting circuit that applies braking to the capstan motor. A magnetic recording and reproducing apparatus that performs special playback and includes a sequence control circuit that alternately switches between a control state by a control circuit and a control state by the brake circuit at a predetermined timing, wherein the sequence control circuit operates in a recording mode where the tape speed is high. After applying braking for a certain period of time by the brake circuit when reproducing a portion recorded by
The magnetic tape is characterized by causing the speed control circuit and the brake circuit to perform speed control and braking control corresponding to the case of reproducing a portion recorded in a recording mode with a slow tape speed, and stopping the capstan motor. Recording and playback device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13081085U JPS6239253U (en) | 1985-08-29 | 1985-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13081085U JPS6239253U (en) | 1985-08-29 | 1985-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6239253U true JPS6239253U (en) | 1987-03-09 |
Family
ID=31028669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13081085U Pending JPS6239253U (en) | 1985-08-29 | 1985-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6239253U (en) |
-
1985
- 1985-08-29 JP JP13081085U patent/JPS6239253U/ja active Pending
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