JPH0320039U - - Google Patents
Info
- Publication number
- JPH0320039U JPH0320039U JP7600089U JP7600089U JPH0320039U JP H0320039 U JPH0320039 U JP H0320039U JP 7600089 U JP7600089 U JP 7600089U JP 7600089 U JP7600089 U JP 7600089U JP H0320039 U JPH0320039 U JP H0320039U
- Authority
- JP
- Japan
- Prior art keywords
- reproducing device
- magnetic field
- applying
- guide post
- device characterized
- 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
- 238000010586 diagram Methods 0.000 description 10
- 230000004907 flux Effects 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
Description
第１図乃至第５図は第１実施例に係る図であり
、第１図は磁気記録再生装置のテープ走行系を示
す図、第２図は回転シリンダの回転位置と消去ヘ
ツドとの位置関係を示す図、第３図、第４図は磁
界の変化を示す図、第５図は磁束密度の変化を示
す図である。第６図乃至第９図は第２実施例に係
る図であり、第６図は固定ガイドポストの断面図
、第７図は消磁手段のコイルに供給される交流信
号の変化を示す図、第８図はコイル周辺で発生す
る磁界を模式的に示す図、第９図は磁束密度の変
化を示す図である。第１０図は固定ガイドポスト
に磁性粉が付着した状態を示す図である。
２……回転シリンダ、１３……消磁ヘツド（消
磁手段）、２８……コイル（消磁手段）、３１…
…固定ガイドポスト（テープガイドポスト）。
1 to 5 are diagrams related to the first embodiment, in which FIG. 1 is a diagram showing a tape running system of a magnetic recording and reproducing device, and FIG. 2 is a diagram showing the positional relationship between the rotational position of the rotary cylinder and the erasing head. FIGS. 3 and 4 are diagrams showing changes in the magnetic field, and FIG. 5 is a diagram showing changes in magnetic flux density. 6 to 9 are diagrams according to the second embodiment, in which FIG. 6 is a sectional view of the fixed guide post, FIG. 7 is a diagram showing changes in the AC signal supplied to the coil of the degaussing means, and FIG. FIG. 8 is a diagram schematically showing the magnetic field generated around the coil, and FIG. 9 is a diagram showing changes in magnetic flux density. FIG. 10 is a diagram showing a state in which magnetic powder is attached to the fixed guide post. 2... Rotating cylinder, 13... Demagnetizing head (demagnetizing means), 28... Coil (demagnetizing means), 31...
…Fixed guide post (tape guide post).
Claims (1)
ンダ側方に対向配置することを特徴とする磁気記
録再生装置。 (2) 交番磁界を付与する消磁手段を、磁気テー
プの走行系路を規定するテープガイドポスト内に
配置することを特徴とする磁気記録再生装置。[Claims for Utility Model Registration] (1) A magnetic recording and reproducing device characterized in that degaussing means for applying an alternating magnetic field is disposed opposite to the side of a rotating cylinder. (2) A magnetic recording and reproducing device characterized in that a demagnetizing means for applying an alternating magnetic field is disposed within a tape guide post that defines a running path of the magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7600089U JPH0320039U (en) | 1989-06-28 | 1989-06-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7600089U JPH0320039U (en) | 1989-06-28 | 1989-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0320039U true JPH0320039U (en) | 1991-02-27 |
Family
ID=31617075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7600089U Pending JPH0320039U (en) | 1989-06-28 | 1989-06-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121442A (en) * | 2006-11-09 | 2008-05-29 | Panox:Kk | Fuel magnetizer |
-
1989
- 1989-06-28 JP JP7600089U patent/JPH0320039U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008121442A (en) * | 2006-11-09 | 2008-05-29 | Panox:Kk | Fuel magnetizer |
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