JPS5974516U - Rotating drum device for videotape recording/playback equipment - Google Patents
Rotating drum device for videotape recording/playback equipmentInfo
- Publication number
- JPS5974516U JPS5974516U JP16811382U JP16811382U JPS5974516U JP S5974516 U JPS5974516 U JP S5974516U JP 16811382 U JP16811382 U JP 16811382U JP 16811382 U JP16811382 U JP 16811382U JP S5974516 U JPS5974516 U JP S5974516U
- Authority
- JP
- Japan
- Prior art keywords
- rotating drum
- videotape recording
- drum device
- playback equipment
- rotating shaft
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は磁気ドラム装置の捩り振動系を簡略化して示す
図、第２図は本考案の一実施例の断面図である。
１・・・回転ドラム、２・・・磁気ヘッド、４・・・固
定ドラム、６・・・回転軸、１１・・田−夕、１４・・
・モータ、９・・・コイル。FIG. 1 is a simplified diagram showing a torsional vibration system of a magnetic drum device, and FIG. 2 is a sectional view of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Rotating drum, 2... Magnetic head, 4... Fixed drum, 6... Rotating shaft, 11... Ta-Yu, 14...
・Motor, 9...Coil.
Claims (1)
おいて、回転ドラムと、モータのロータと、一端部が回
転ドラムに固定されかつ他端部がロータに固定された回
転軸とを含み、この回転軸は磁界に対応してヤング率が
変化する強磁性体合金材料から成り、回転軸の近傍に磁
界発生用コイルを設けたことを特徴とするビデオテープ
記録／再生装置のための回転ドラム装置。A rotating drum device for a videotape recording/playback device, comprising a rotating drum, a rotor of a motor, and a rotating shaft fixed at one end to the rotating drum and fixed to the rotor at the other end, the rotating shaft A rotating drum device for a videotape recording/reproducing device, which is made of a ferromagnetic alloy material whose Young's modulus changes in response to a magnetic field, and is characterized in that a magnetic field generating coil is provided near a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16811382U JPS5974516U (en) | 1982-11-05 | 1982-11-05 | Rotating drum device for videotape recording/playback equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16811382U JPS5974516U (en) | 1982-11-05 | 1982-11-05 | Rotating drum device for videotape recording/playback equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5974516U true JPS5974516U (en) | 1984-05-21 |
Family
ID=30367608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16811382U Pending JPS5974516U (en) | 1982-11-05 | 1982-11-05 | Rotating drum device for videotape recording/playback equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5974516U (en) |
-
1982
- 1982-11-05 JP JP16811382U patent/JPS5974516U/en active Pending
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