JPS62110738U - - Google Patents
Info
- Publication number
- JPS62110738U JPS62110738U JP20131585U JP20131585U JPS62110738U JP S62110738 U JPS62110738 U JP S62110738U JP 20131585 U JP20131585 U JP 20131585U JP 20131585 U JP20131585 U JP 20131585U JP S62110738 U JPS62110738 U JP S62110738U
- Authority
- JP
- Japan
- Prior art keywords
- speed
- servo circuit
- time
- pulse generator
- tape
- 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 3
Description
第１図は本考案にかかる速度制御装置のブロツ
ク図、第２図はテープ送り系の概略図、第３図及
び第４図はＲ―ＤＡＴ装置の説明図である。
１１……速度指令手段、１２……速度サーボ回
路、１３……モータ、１４，１５……パルス発生
器、１６……切替手段。
FIG. 1 is a block diagram of a speed control device according to the present invention, FIG. 2 is a schematic diagram of a tape feeding system, and FIGS. 3 and 4 are explanatory diagrams of an R-DAT device. 11...Speed command means, 12...Speed servo circuit, 13...Motor, 14, 15...Pulse generator, 16...Switching means.
Claims (1)
て該磁気テープに信号を記録しあるいは磁気テー
プから信号を読み取つて再生するデジタルオーデ
イオテープ装置における速度制御装置において、 記録再生時においてはキヤプスタン回転速度を
、サーチ時においてはテープ送り速度を指令する
速度指令手段と、 指令速度を入力させて速度制御を行う速度サー
ボ回路と、 該速度サーボ回路により駆動されてキヤプスタ
ン及びリールを回転させる少なくとも１台のモー
タと、 キヤプスタンが所定角度回転する毎にパルスを
発生する第１のパルス発生器と、 テープが所定量移動する毎にパルスを発生する
第２のパルス発生器と、 記録再生時には第１のパルス発生器から発生す
るパルスを速度サーボ回路に入力し、サーチ時に
は第２のパルス発生器から発生するパルスを速度
サーボ回路に入力する切替手段 とを有することを特徴とする速度制御装置。[Scope of Claim for Utility Model Registration] In a speed control device for a digital audio tape device that rotates a head while moving a magnetic tape to record signals on the magnetic tape or read and reproduce signals from the magnetic tape, during recording and playback. a speed command means for commanding the capstan rotational speed at the time of the search and a tape feed speed at the time of the search; a speed servo circuit for controlling the speed by inputting the command speed; and a speed servo circuit that is driven by the speed servo circuit to rotate the capstan and the reel. a first pulse generator that generates a pulse every time the capstan rotates a predetermined angle; a second pulse generator that generates a pulse every time the tape moves a predetermined amount; Speed control characterized by having a switching means for inputting pulses generated from the first pulse generator to the speed servo circuit at times, and inputting pulses generated from the second pulse generator to the speed servo circuit at the time of search. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20131585U JPS62110738U (en) | 1985-12-25 | 1985-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20131585U JPS62110738U (en) | 1985-12-25 | 1985-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62110738U true JPS62110738U (en) | 1987-07-15 |
Family
ID=31164649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20131585U Pending JPS62110738U (en) | 1985-12-25 | 1985-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62110738U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59213051A (en) * | 1983-05-18 | 1984-12-01 | Hitachi Ltd | Reel driving control device |
| JPS60151861A (en) * | 1984-01-20 | 1985-08-09 | Toshiba Corp | Tape speed control system in high-speed reproduction of magnetic recording and reproducing device |
-
1985
- 1985-12-25 JP JP20131585U patent/JPS62110738U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59213051A (en) * | 1983-05-18 | 1984-12-01 | Hitachi Ltd | Reel driving control device |
| JPS60151861A (en) * | 1984-01-20 | 1985-08-09 | Toshiba Corp | Tape speed control system in high-speed reproduction of magnetic recording and reproducing device |
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