JPH02123709U - - Google Patents
Info
- Publication number
- JPH02123709U JPH02123709U JP3175089U JP3175089U JPH02123709U JP H02123709 U JPH02123709 U JP H02123709U JP 3175089 U JP3175089 U JP 3175089U JP 3175089 U JP3175089 U JP 3175089U JP H02123709 U JPH02123709 U JP H02123709U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic head
- head
- light
- view
- movable
- 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
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
第１図はこの考案の一実施例による可動ヘツド
型回転磁気ヘツド装置の部分断面正面図、第２図
は第１図のヘツド駆動装置の拡大平面図、第３図
は同じくヘツド駆動装置の断面正面図、第４図は
従来の可動ヘツド型回転磁気ヘツド装置の部分断
面正面図、第５図は第４図のヘツド駆動装置の拡
大平面図、第６図は同じくヘツド駆動装置の断面
正面図である。図に於いて、１は磁気テープ、２
は固定シリンダー、３は中心軸、４はスラスト軸
受、５は回転シリンダー、６は磁気ヘツド、７は
ロータリトランス、８ａ，８ｂは電動機、９は受
光器取付台、１０はブラシ取付台、１２はスリツ
プリング、１３はヘツド駆動装置、１４は発光器
、１５は受光器、１６は導光管、１６１は導光部
、１６２は発光部、２０１はリード溝、１３１は
ケース、１３２は給電線、１３３はコイル、１３
４はばね、１３５は永久磁石、１３６はボビン、
１３７はヘツド取付板、１３９は取付台を示す。
なお、図中、同一符号は同一、または相当部分を
示す。
FIG. 1 is a partial sectional front view of a movable head type rotating magnetic head device according to an embodiment of the invention, FIG. 2 is an enlarged plan view of the head driving device of FIG. 1, and FIG. 3 is a cross-sectional view of the same head driving device. 4 is a partially sectional front view of a conventional movable head type rotating magnetic head device, FIG. 5 is an enlarged plan view of the head driving device shown in FIG. 4, and FIG. 6 is a sectional front view of the same head driving device. It is. In the figure, 1 is magnetic tape, 2
is a fixed cylinder, 3 is a central shaft, 4 is a thrust bearing, 5 is a rotating cylinder, 6 is a magnetic head, 7 is a rotary transformer, 8a, 8b are electric motors, 9 is a receiver mounting base, 10 is a brush mounting base, 12 is a 13 is a head drive device, 14 is a light emitter, 15 is a light receiver, 16 is a light guide tube, 161 is a light guide part, 162 is a light emitting part, 201 is a lead groove, 131 is a case, 132 is a power supply line, 133 is a coil, 13
4 is a spring, 135 is a permanent magnet, 136 is a bobbin,
137 is a head mounting plate, and 139 is a mounting base.
In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
気ヘツドの位置検出を回転シリンダーの外部に取
付け、発光器より発した光を導光管で回転シリン
ダー内の磁気ヘツドの近傍に導いた検出光と、回
転シリンダーの外部に配置した受光器とで可動型
磁気ヘツドの位置を検出する装置を備えた回転磁
気ヘツド装置。 In a rotary magnetic head device with a movable head, the position detection device of the magnetic head is attached to the outside of the rotating cylinder, and the light emitted from the light emitter is guided to the vicinity of the magnetic head inside the rotating cylinder using a light guide. A rotating magnetic head device equipped with a device for detecting the position of a movable magnetic head using a light receiver placed outside the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3175089U JPH02123709U (en) | 1989-03-20 | 1989-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3175089U JPH02123709U (en) | 1989-03-20 | 1989-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02123709U true JPH02123709U (en) | 1990-10-11 |
Family
ID=31257841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3175089U Pending JPH02123709U (en) | 1989-03-20 | 1989-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02123709U (en) |
-
1989
- 1989-03-20 JP JP3175089U patent/JPH02123709U/ja active Pending