JPS63153336U - - Google Patents
Info
- Publication number
- JPS63153336U JPS63153336U JP4397087U JP4397087U JPS63153336U JP S63153336 U JPS63153336 U JP S63153336U JP 4397087 U JP4397087 U JP 4397087U JP 4397087 U JP4397087 U JP 4397087U JP S63153336 U JPS63153336 U JP S63153336U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- reel
- take
- detection signal
- transfer
- 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
- 238000004804 winding Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 9
- 230000032258 transport Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は本考案の一実施例のテープ走行系（テー
プパス）を示す概略構成図、第３図は従来の制御
回路とリールモータ駆動系との関係図、第４図は
従来の制御用ブロツクダイヤグラムを示す構成図
、第５図は従来の早送り（巻取、巻戻し）動作状
態における第３図に示す各部の波形を示す波形図
である。
４０，４１……供給及び巻取リールモータ、７
０，８２……ＦＧ増幅器、７１，８３……巻径検
出器、７３，８１……テンシヨン増幅器、８０…
…タイマローラ増幅器、１０２，１０４……テン
シヨン設定回路、１０３……バツクトルク印加回
路、７２，７４，７５，８４，８５，８６，１０
６，１０７……切換回路、７６，８７……制御回
路、７７，８８……モータ駆動回路、９６，９７
……テンシヨンアーム、９８……タイマローラ検
出器、１０８，１０９……制御引込検出器。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a schematic configuration diagram showing a tape running system (tape path) according to an embodiment of the present invention, Fig. 3 is a relationship diagram between a conventional control circuit and a reel motor drive system, and Fig. 4 is a conventional control circuit diagram. FIG. 5 is a waveform diagram showing waveforms of various parts shown in FIG. 3 in a conventional fast forward (winding, rewinding) operating state. 40, 41... Supply and take-up reel motor, 7
0,82...FG amplifier, 71,83... Winding diameter detector, 73,81... Tension amplifier, 80...
...Timer roller amplifier, 102, 104...Tension setting circuit, 103...Back torque application circuit, 72, 74, 75, 84, 85, 86, 10
6,107...Switching circuit, 76,87...Control circuit, 77,88...Motor drive circuit, 96,97
...Tension arm, 98...Timer roller detector, 108, 109...Control retraction detector.
Claims (1)
ール駆動手段と供給リール駆動手段を有し、前記
供給リールより前記巻取リールに磁気テープを移
送もしくは、前記巻取リールより供給リールに磁
気テープを移送する磁気テープ駆動手段であつて
、前記巻取及び供給リールモータを駆動するため
のリールモータ駆動手段、前記磁気テープの移送
速度を検出する磁気テープ移送速度検出手段、前
記リールモータの回転速度を検出するリールモー
タ回転速度検出手段、前記リールモータ回転速度
検出手段よりの検出信号で前記リールに巻かれて
いる前記磁気テープの巻径を検出する巻径検出手
段、前記巻径検出手段よりの検出信号でもつて、
前記磁気テープ移送速度検出手段からの検出信号
と、前記磁気テープ送り出し側のリールモータ回
転速度検出手段の検出信号とを切換えるための移
送速度切換手段、前記移送速度切換手段により前
記磁気テープの移送速度を切換えた後、前記磁気
テープの移送を停止するための磁気テープ移送停
止手段とを具備したことを特徴とする磁気テープ
駆動装置。 It has a take-up reel drive means and a supply reel drive means, each of which drives the reel by a separate motor, and transports the magnetic tape from the supply reel to the take-up reel or from the take-up reel to the supply reel. A magnetic tape drive means, which includes a reel motor drive means for driving the take-up and supply reel motors, a magnetic tape transfer speed detection means for detecting the transfer speed of the magnetic tape, and a rotation speed of the reel motor. reel motor rotational speed detection means; a winding diameter detection means for detecting the winding diameter of the magnetic tape wound on the reel based on a detection signal from the reel motor rotational speed sensing means; and a detection signal from the winding diameter sensing means. Then,
Transfer speed switching means for switching between a detection signal from the magnetic tape transfer speed detection means and a detection signal from the reel motor rotation speed detection means on the magnetic tape sending side; 1. A magnetic tape drive apparatus comprising: magnetic tape transfer stop means for stopping transfer of the magnetic tape after switching the magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4397087U JPS63153336U (en) | 1987-03-25 | 1987-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4397087U JPS63153336U (en) | 1987-03-25 | 1987-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63153336U true JPS63153336U (en) | 1988-10-07 |
Family
ID=30861335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4397087U Pending JPS63153336U (en) | 1987-03-25 | 1987-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63153336U (en) |
-
1987
- 1987-03-25 JP JP4397087U patent/JPS63153336U/ja active Pending
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