JPS5852629U - Shield case for magnetic head - Google Patents
Shield case for magnetic headInfo
- Publication number
- JPS5852629U JPS5852629U JP14724981U JP14724981U JPS5852629U JP S5852629 U JPS5852629 U JP S5852629U JP 14724981 U JP14724981 U JP 14724981U JP 14724981 U JP14724981 U JP 14724981U JP S5852629 U JPS5852629 U JP S5852629U
- Authority
- JP
- Japan
- Prior art keywords
- head
- shield case
- audio
- magnetic head
- surface side
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、従来のヘッドキャップの概略斜視図、第2図
は、本考案の一実施によるシールドケースの概略斜視図
、第3図は、垂れ下り部長さの変化に対するS/N比の
変化を示す特性図、第4図は、バックシールド長さの変
化に対するS/N比の変化を示す特性図、第5図は、右
シールド長さの変化に対するS/N比の変化を示す特性
図、第6図は、左シールド長さの変化に対するS/N比
の変化を示ヂ特性図である。
a・・・庇部、a′・・・垂れ下り部、b・・・バック
シールド、C・・・右シールド、d・・・左シールド。Fig. 1 is a schematic perspective view of a conventional head cap, Fig. 2 is a schematic perspective view of a shield case according to one implementation of the present invention, and Fig. 3 is a change in S/N ratio with respect to a change in the length of the hanging portion. FIG. 4 is a characteristic diagram showing changes in the S/N ratio with respect to changes in the back shield length. FIG. 5 is a characteristic diagram showing changes in the S/N ratio with respect to changes in the right shield length. , FIG. 6 is a characteristic diagram showing the change in the S/N ratio with respect to the change in the left shield length. a... Eave part, a'... Hanging part, b... Back shield, C... Right shield, d... Left shield.
Claims (1)
たヘッドと音声消去ヘッドとを一体にしたヘッド複合ヘ
ッドをシールドするシールドケースに於いて、テープ摺
動面側とヘッド下部取付部を除きヘッド上部から5mm
以上の長さにわたり上記ヘッドの周囲を包囲すると共に
、音声、コントロールヘッド上部近傍においてはテープ
摺動面側に突き出し先端が略り字型に垂れ下った庇形状
を有していることを特徴とする磁気ヘッド用シールドケ
ース。In a shield case that shields a composite head that combines a VTR audio head, control head, and audio erasing head, 5 mm from the top of the head, excluding the tape sliding surface side and the lower head mounting part.
It is characterized by having an eave shape that surrounds the periphery of the head over the above length, and protrudes toward the tape sliding surface side near the top of the audio/control head, with the tip hanging down in an abbreviated shape. A shield case for magnetic heads.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14724981U JPS5852629U (en) | 1981-10-05 | 1981-10-05 | Shield case for magnetic head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14724981U JPS5852629U (en) | 1981-10-05 | 1981-10-05 | Shield case for magnetic head |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5852629U true JPS5852629U (en) | 1983-04-09 |
Family
ID=29940118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14724981U Pending JPS5852629U (en) | 1981-10-05 | 1981-10-05 | Shield case for magnetic head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5852629U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240959B2 (en) * | 1972-08-07 | 1977-10-15 |
-
1981
- 1981-10-05 JP JP14724981U patent/JPS5852629U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5240959B2 (en) * | 1972-08-07 | 1977-10-15 |
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