JPS61178503U - - Google Patents
Info
- Publication number
- JPS61178503U JPS61178503U JP6253685U JP6253685U JPS61178503U JP S61178503 U JPS61178503 U JP S61178503U JP 6253685 U JP6253685 U JP 6253685U JP 6253685 U JP6253685 U JP 6253685U JP S61178503 U JPS61178503 U JP S61178503U
- Authority
- JP
- Japan
- Prior art keywords
- rotating drum
- magnetic
- magnetic tape
- magnetic recording
- wound
- 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
- 238000000034 method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図ａは本考案の一実施例に係るヘリカルス
キヤン型アジマス記録方式の磁気記録再生装置の
回転ヘツド装置１を概略的に示す平面図、第１図
ｂは従来のヘリカルスキヤン型アジマス記録方式
の磁気記録再生装置の回転ヘツド装置の一例を概
略的に示す平面図、第２図は本考案の一実施例に
よる磁気テープへの記録パターン図、第３図ａ〜
ｈは上記一実施例の動作のタイミングチヤートで
あり、第３図ａは回転ドラムの回転周期、第３図
ｂは磁気ヘツド切換信号、第３図ｃは磁気ヘツド
３ａ（ＣＨ―１）の動作のタイミング、第３図ｄ
は３ｂ（ＣＨ―２）の動作のタイミング、第３図
ｅは磁気ヘツド３ｃ（ＣＨ―１′）の動作のタイ
ミング、第３図ｆは磁気ヘツド３ｄ（ＣＨ―２′
）の動作のタイミング、第３図ｇは磁気テープＡ
への各磁気ヘツドの記録再生タイミング、第３図
ｈは磁気テープＢへの各磁気ヘツドの記録再生タ
イミングをそれぞれ示しており、第４図ａは従来
の回転ドラムｄへの磁気テープＴの巻き付け状態
を模式的に示す側面図、第４図ｂは上記一実施例
の回転ドラム２への磁気テープＡ，Ｂの巻き付け
状態を模式的に示す側面図である。
１…回転ヘツド装置、２…回転ドラム、３ａ，
３ｂ，３ｃ，３ｄ…磁気ヘツド、Ａ，Ｂ…磁気テ
ープ。
FIG. 1a is a plan view schematically showing a rotary head device 1 of a magnetic recording and reproducing apparatus using a helical scan azimuth recording method according to an embodiment of the present invention, and FIG. 1b is a plan view of a conventional helical scan azimuth recording method. FIG. 2 is a plan view schematically showing an example of a rotary head device of a magnetic recording and reproducing apparatus of the present invention; FIG.
3h is a timing chart of the operation of the above embodiment, FIG. 3a is the rotation period of the rotating drum, FIG. 3b is the magnetic head switching signal, and FIG. 3c is the operation of the magnetic head 3a (CH-1). timing, Figure 3d
3b (CH-2), FIG. 3e is the operation timing of the magnetic head 3c (CH-1'), and FIG. 3f is the operation timing of the magnetic head 3d (CH-2').
), Fig. 3g shows the timing of the operation of magnetic tape A.
FIG. 3h shows the recording and reproducing timing of each magnetic head on the magnetic tape B, and FIG. 4a shows the conventional winding of the magnetic tape T around the rotating drum d. FIG. 4B is a side view schematically showing the state in which the magnetic tapes A and B are wound around the rotating drum 2 of the above embodiment. 1... Rotating head device, 2... Rotating drum, 3a,
3b, 3c, 3d...magnetic head, A, B...magnetic tape.
Claims (1)
気記録再生装置において、磁気テープが巻き付け
られる回転ドラムを、これの周面に少なくとも２
箇所でそれぞれ磁気テープを少なくとも標準巻き
付け長さにわたつて巻き付けられるように大径に
形成し、前記回転ドラムに巻き付けられた各磁気
テープに少なくとも１個の磁気ヘツドが対向させ
られるように回転ドラムの周縁部に所定の位相間
隔を置いて複数の磁気ヘツドを配設する一方、前
記回転ドラムの回転速度を、この回転ドラムと各
磁気テープとの相対速度がこれの規格に一致する
ような低回転速度に設定した磁気記録再生装置の
回転ヘツド装置。 (2) 前記磁気記録装置の機械的機構が取り付け
られるメカシヤーシに前記回転ドラムがこれの回
転平面が水平となるように取り付けられている実
用新案登録請求の範囲第１項記載の磁気記録再生
装置の回転ヘツド装置。[Claims for Utility Model Registration] (1) In a magnetic recording and reproducing device using a helical scan type azimuth recording method, a rotating drum around which a magnetic tape is wound is provided with at least two
The rotating drum is formed to have a large diameter so that the magnetic tape can be wound at least a standard winding length at each location, and at least one magnetic head is opposed to each magnetic tape wound around the rotating drum. A plurality of magnetic heads are arranged at a predetermined phase interval on the periphery, and the rotational speed of the rotating drum is set to a low rotation speed such that the relative speed between the rotating drum and each magnetic tape matches the standard. A rotary head device of a magnetic recording and reproducing device set at a certain speed. (2) The magnetic recording and reproducing device according to claim 1, wherein the rotating drum is attached to a mechanical chassis to which the mechanical mechanism of the magnetic recording device is attached so that its rotation plane is horizontal. Rotating head device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6253685U JPS61178503U (en) | 1985-04-25 | 1985-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6253685U JPS61178503U (en) | 1985-04-25 | 1985-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61178503U true JPS61178503U (en) | 1986-11-07 |
Family
ID=30591846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6253685U Pending JPS61178503U (en) | 1985-04-25 | 1985-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61178503U (en) |
-
1985
- 1985-04-25 JP JP6253685U patent/JPS61178503U/ja active Pending
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