JPS62138343U - - Google Patents
Info
- Publication number
- JPS62138343U JPS62138343U JP2275286U JP2275286U JPS62138343U JP S62138343 U JPS62138343 U JP S62138343U JP 2275286 U JP2275286 U JP 2275286U JP 2275286 U JP2275286 U JP 2275286U JP S62138343 U JPS62138343 U JP S62138343U
- Authority
- JP
- Japan
- Prior art keywords
- air flow
- head device
- rotary head
- peripheral surface
- outer peripheral
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 1
Description
第１図は本考案における一実施例の高密度記録
ＶＴＲの要部平面図、第２図は同弾性部材の接触
状態を示す断面図、第３図は同シヤツターを示す
断面図、第４図は同磁気テープの磁化トラツクパ
ターン図、第５図は従来例の高密度記録ＶＴＲの
要部平面図、第６図は同磁気テープとビデオヘツ
ドとの接触状態を示す断面図、第７図は同磁気テ
ープの磁化トラツクパターン図、第８図は同ビデ
オヘツド前面拡大図、第９図は同再生信号を示す
波形図である。
１……磁気テープ、４……テープガイド、５，
５′……ビデオヘツド、６ａ……回転上ドラム、
７……テープガイド、１１……外周面、１６……
弾性部材、１９……シヤツター、２０……空気流
通過フイルター、２１……フアンコイル、２２…
…空気流案内壁、２５……空気流。
FIG. 1 is a plan view of essential parts of a high-density recording VTR according to an embodiment of the present invention, FIG. 2 is a cross-sectional view showing the contact state of the elastic member, FIG. 3 is a cross-sectional view showing the shutter, and FIG. 5 is a plan view of the main part of a conventional high-density recording VTR, FIG. 6 is a sectional view showing the state of contact between the magnetic tape and the video head, and FIG. 7 is a diagram of the magnetization track pattern of the magnetic tape. FIG. 8 is an enlarged front view of the video head, and FIG. 9 is a waveform diagram showing the reproduced signal. 1...magnetic tape, 4...tape guide, 5,
5'...Video head, 6a...Rotating upper drum,
7...Tape guide, 11...Outer peripheral surface, 16...
Elastic member, 19... Shutter, 20... Air flow passing filter, 21... Fan coil, 22...
...Airflow guide wall, 25...Airflow.
Claims (1)
巻付け案内する回転ヘツド装置と、この回転ヘツ
ド装置との間に磁気テープ走行パスを形成するテ
ープガイドと、前記回転ヘツド装置の外周面に弾
性接触する弾性部材と、この弾性部材に対しビデ
オヘツド回転進行方向に、前記回転ヘツド装置の
外周面に近接して周辺の空気流を分離すべく設け
られたシヤツターと、内蔵する空気流通過フイル
ターに前記シヤツターで分離された空気流を案内
する空気流案内手段とを備えたことを特徴とする
磁気記録再生装置。 A rotary head device in which a video head is arranged and a magnetic tape is wound and guided around the outer peripheral surface of the video head, a tape guide that forms a magnetic tape running path between the rotary head device, and an elastic tape attached to the outer peripheral surface of the rotary head device. an elastic member in contact with the elastic member, a shutter provided in the vicinity of the outer peripheral surface of the rotary head device in the direction of rotation of the video head to separate the surrounding air flow, and a built-in air flow passing filter. A magnetic recording and reproducing apparatus comprising: air flow guide means for guiding the air flow separated by the shutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2275286U JPH0418098Y2 (en) | 1986-02-18 | 1986-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2275286U JPH0418098Y2 (en) | 1986-02-18 | 1986-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62138343U true JPS62138343U (en) | 1987-09-01 |
| JPH0418098Y2 JPH0418098Y2 (en) | 1992-04-22 |
Family
ID=30820430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2275286U Expired JPH0418098Y2 (en) | 1986-02-18 | 1986-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0418098Y2 (en) |
-
1986
- 1986-02-18 JP JP2275286U patent/JPH0418098Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0418098Y2 (en) | 1992-04-22 |
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