JPH02132340U - - Google Patents
Info
- Publication number
- JPH02132340U JPH02132340U JP3858289U JP3858289U JPH02132340U JP H02132340 U JPH02132340 U JP H02132340U JP 3858289 U JP3858289 U JP 3858289U JP 3858289 U JP3858289 U JP 3858289U JP H02132340 U JPH02132340 U JP H02132340U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- tape
- side reel
- reel motor
- 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
- 238000004804 winding Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
Description
第１図は本考案の一実施例の回路図、第２図は
テープテンシヨンを説明するための図、第３図は
トルク対回転数特性図、第４図は制御電圧発生部
の具体的ブロツク図、第５図は従来の一例の回路
図である。
１……テイク側リールモータ、２……駆動側制
御電圧発生回路、３……サプライ側リールモータ
、５……非駆動側制御電圧発生回路、８……制御
電圧発生部、９……差動アンプ、１０……演算回
路、ＳＷ……アナログスイツチ。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a diagram for explaining the tape tension, Fig. 3 is a torque vs. rotation speed characteristic diagram, and Fig. 4 is a specific diagram of the control voltage generating section. The block diagram in FIG. 5 is a circuit diagram of an example of the conventional system. DESCRIPTION OF SYMBOLS 1... Take side reel motor, 2... Drive side control voltage generation circuit, 3... Supply side reel motor, 5... Non-drive side control voltage generation circuit, 8... Control voltage generation section, 9... Differential Amplifier, 10... Arithmetic circuit, SW... Analog switch.
Claims (1)
るように駆動側リールモータを制御すると共に、
非駆動側リールモータに逆回転方向に電圧を印加
してテープテンシヨンを与える機能を有する磁気
記録再生装置において、 高速サーチ時、リールのテープ巻径に対応した
電圧を発生する回路と、 上記駆動側リールモータを駆動制御するための
モータ電圧と該テープ巻径に対応した電圧との誤
差電圧を上記非駆動側リールモータに印加してこ
れらの電圧が等しくなるように制御する回路とよ
りなるテープテンシヨン制御回路。[Scope of claim for utility model registration] During high-speed search, the drive side reel motor is controlled so that the magnetic tape running speed is constant, and
In a magnetic recording/reproducing device having a function of applying a voltage in the reverse rotation direction to a non-drive side reel motor to apply tape tension, there is provided a circuit that generates a voltage corresponding to the tape winding diameter of the reel during a high-speed search, and A tape comprising a circuit that applies an error voltage between a motor voltage for driving and controlling a side reel motor and a voltage corresponding to the tape winding diameter to the non-driving side reel motor so that these voltages become equal. Tension control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3858289U JPH02132340U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3858289U JPH02132340U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02132340U true JPH02132340U (en) | 1990-11-02 |
Family
ID=31546715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3858289U Pending JPH02132340U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02132340U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6476447A (en) * | 1987-09-17 | 1989-03-22 | Alpine Electronics Inc | Back tension controller |
-
1989
- 1989-03-31 JP JP3858289U patent/JPH02132340U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6476447A (en) * | 1987-09-17 | 1989-03-22 | Alpine Electronics Inc | Back tension controller |
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