JPS6236463U - - Google Patents
Info
- Publication number
- JPS6236463U JPS6236463U JP12662285U JP12662285U JPS6236463U JP S6236463 U JPS6236463 U JP S6236463U JP 12662285 U JP12662285 U JP 12662285U JP 12662285 U JP12662285 U JP 12662285U JP S6236463 U JPS6236463 U JP S6236463U
- Authority
- JP
- Japan
- Prior art keywords
- video head
- annular body
- head base
- video
- fixed
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Description
第１図は本考案における一実施例の高速回転型
ＶＴＲの回転ヘツド装置の断面図、第２図は同第
２の環状体を示す斜視図、第３図は同ビデオヘツ
ドと磁気テープとの接触状態平面図、第４図は同
磁化トラツクを示すパターン図、第５図は従来例
の高速回転型ＶＴＲの要部平面図、第６図は同回
転ヘツド装置の断面図、第７図は同回転ヘツド装
置の側面図、第８図は同ビデオヘツドと磁気テー
プとの接触状態の平面図、第９図は同回転ヘツド
装置の斜視図、第１０図は同磁化トラツクを示す
パターン図、第１１図は同再生信号を示す波形図
である。
１……磁気テープ、５―５′……ビデオヘツド
、６ｂ……固定下ドラム、１４……固定走行面、
２５……第１の環状体、２６……外周面、２８…
…ビデオヘツドベース、３１……第２の環状体、
３２……（ビデオヘツドベースを包囲する）凹部
、３３……固転面、３４……空気流通溝、３５…
…空気放出穴。
FIG. 1 is a sectional view of a rotating head device of a high-speed rotating VTR according to an embodiment of the present invention, FIG. 2 is a perspective view showing the second annular body, and FIG. 4 is a pattern diagram showing the magnetization track, FIG. 5 is a plan view of the main part of a conventional high-speed rotating VTR, FIG. 6 is a sectional view of the rotating head device, and FIG. 7 is a plan view of the contact state. 8 is a plan view of the state of contact between the video head and the magnetic tape, FIG. 9 is a perspective view of the rotary head device, and FIG. 10 is a pattern diagram showing the magnetized tracks. FIG. 11 is a waveform diagram showing the reproduced signal. 1... Magnetic tape, 5-5'... Video head, 6b... Fixed lower drum, 14... Fixed running surface,
25...First annular body, 26...Outer peripheral surface, 28...
... video head base, 31 ... second annular body,
32... recess (surrounding the video head base), 33... fixed rolling surface, 34... air circulation groove, 35...
...Air release hole.
Claims (1)
と、ビデオヘツドを固定したビデオヘツドベース
と、ビデオヘツドの先端が前記案内ドラムの外周
面から突出する如く前記ビデオヘツドベースを取
付けるビデオヘツドベース取付け面を有する第１
の環状体と、前記第１の環状体に取付けられたビ
デオヘツドベースを包囲する凹部を有し、前記第
１の環状体に固定する第２の環状体とを備えたこ
とを特徴とする磁気記録再生装置の回転ヘツド装
置。 (2) 第２の環状体の凹部から軸芯方向に空気流
通溝を設けたことを特徴とする実用新案登録請求
の範囲第１項記載の回転ヘツド装置。[Claims for Utility Model Registration] (1) A guide drum for guiding a magnetic tape on the outer peripheral surface, a video head base to which a video head is fixed, and a video head base such that the tip of the video head protrudes from the outer peripheral surface of the guide drum. The first part has a video head base mounting surface on which the head base is attached.
and a second annular body having a recess surrounding a video head base attached to the first annular body and fixed to the first annular body. Rotating head device for recording and reproducing equipment. (2) The rotary head device according to claim 1, wherein an air circulation groove is provided in the axial direction from the concave portion of the second annular body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12662285U JPS6236463U (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12662285U JPS6236463U (en) | 1985-08-20 | 1985-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6236463U true JPS6236463U (en) | 1987-03-04 |
Family
ID=31020604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12662285U Pending JPS6236463U (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6236463U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236463B2 (en) * | 1981-02-09 | 1987-08-07 | Fujitsu Kk |
-
1985
- 1985-08-20 JP JP12662285U patent/JPS6236463U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236463B2 (en) * | 1981-02-09 | 1987-08-07 | Fujitsu Kk |
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