JPH03106542U - - Google Patents
Info
- Publication number
- JPH03106542U JPH03106542U JP1634390U JP1634390U JPH03106542U JP H03106542 U JPH03106542 U JP H03106542U JP 1634390 U JP1634390 U JP 1634390U JP 1634390 U JP1634390 U JP 1634390U JP H03106542 U JPH03106542 U JP H03106542U
- Authority
- JP
- Japan
- Prior art keywords
- reel drive
- displacement
- tension lever
- tension
- drive 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
- 238000006073 displacement reaction Methods 0.000 claims 7
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案のテープリール駆動装置の簡単
なブロツク図を示し、第２図は本考案のテープリ
ール駆動装置に於いてテープをローデイングした
状態を示す図、第３図は第２図を側面から見た図
で、第４図、第５図、第６図、第７図は本考案の
実施例を説明するためのモード変更時の時間とテ
ープテンシヨン及び電圧との関係を示す特性図で
ある。
８……第１リール駆動モータ、１０……第２リ
ール駆動モータ、１８……テンシヨンサーボ回路
、１９……スイツチ回路、２０……リール駆動モ
ータドライバ回路、２１……一定電圧発生回路、
２２……制御回路。
FIG. 1 shows a simple block diagram of the tape reel drive device of the present invention, FIG. 2 shows a state in which the tape is loaded in the tape reel drive device of the present invention, and FIG. 3 shows the state shown in FIG. 4, 5, 6, and 7 are side views showing the characteristics of the relationship between time, tape tension, and voltage when changing modes to explain embodiments of the present invention. It is a diagram. 8...First reel drive motor, 10...Second reel drive motor, 18...Tension servo circuit, 19...Switch circuit, 20...Reel drive motor driver circuit, 21...Constant voltage generation circuit,
22...Control circuit.
Claims (1)
ラ及びキヤプスタンと、第１、第２リール台を駆
動する第１、第２リール駆動モータと、再生時に
テープに圧接するテンシヨンレバーと、該テンシ
ヨンレバーの変位を検出するセンサーと、該セン
サーの変位に応じて供給側となるリール駆動モー
タを制御するテンシヨンサーボ回路と、停止状態
またはスチル状態から再生状態にモード変更した
際にテンシヨンレバーの変位にかかわらず供給側
となるリール駆動モータに、一定時間だけ一定バ
ツクトルクを発生する電圧を加える一定電圧発生
回路を設けたことを特徴とする回転ヘツド式磁気
記録再生装置のリール駆動装置。 (2) テープを圧接し定速走行させるピンチロー
ラ及びキヤプスタンと、第１、第２リール台を駆
動する第１、第２リール駆動モータと、逆再生時
にテープに圧接するテンシヨンレバーと、該テン
シヨンレバーの変位を検出するセンサーと、該セ
ンサーの変位に応じて巻取側となるリール駆動モ
ータを制御するテンシヨンサーボ回路と、停止状
態またはスチル状態から逆再生状態にモード変更
した際にテンシヨンレバーの変位にかかわらず巻
取側となるリール駆動モータに、一定時間だけ一
定巻取トルクを発生する電圧を加える一定電圧発
生回路を設けたことを特徴とする回転ヘツド式磁
気記録再生装置のリール駆動装置。[Claims for Utility Model Registration] (1) A pinch roller and a capstan that press the tape and run it at a constant speed, first and second reel drive motors that drive the first and second reel stands, and a device that presses the tape during playback. a tension lever, a sensor that detects the displacement of the tension lever, a tension servo circuit that controls the reel drive motor on the supply side according to the displacement of the sensor, and a tension lever that changes from a stopped state or a still state to a reproducing state. A rotary head type magnetic recording device characterized by being equipped with a constant voltage generation circuit that applies a voltage that generates a constant back torque for a certain period of time to the reel drive motor on the supply side when the mode is changed, regardless of the displacement of the tension lever. Reel drive device for playback equipment. (2) A pinch roller and a capstan that press the tape and run it at a constant speed, first and second reel drive motors that drive the first and second reel stands, a tension lever that presses the tape during reverse playback, and A sensor that detects the displacement of the tension lever, a tension servo circuit that controls the reel drive motor on the take-up side according to the displacement of the sensor, and a tension servo circuit that controls the reel drive motor on the take-up side according to the displacement of the tension lever. A rotating head type magnetic recording and reproducing device characterized by being equipped with a constant voltage generation circuit that applies a voltage to a reel drive motor on the winding side for a certain period of time to generate a constant winding torque regardless of the displacement of a tension lever. reel drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1634390U JPH03106542U (en) | 1990-02-21 | 1990-02-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1634390U JPH03106542U (en) | 1990-02-21 | 1990-02-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03106542U true JPH03106542U (en) | 1991-11-05 |
Family
ID=31519612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1634390U Pending JPH03106542U (en) | 1990-02-21 | 1990-02-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03106542U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557101B2 (en) * | 1976-12-20 | 1980-02-22 | ||
| JPS55135350A (en) * | 1979-04-07 | 1980-10-22 | Sony Corp | Tension servo circuit |
-
1990
- 1990-02-21 JP JP1634390U patent/JPH03106542U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557101B2 (en) * | 1976-12-20 | 1980-02-22 | ||
| JPS55135350A (en) * | 1979-04-07 | 1980-10-22 | Sony Corp | Tension servo circuit |
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