JPS6355248U - - Google Patents
Info
- Publication number
- JPS6355248U JPS6355248U JP14899786U JP14899786U JPS6355248U JP S6355248 U JPS6355248 U JP S6355248U JP 14899786 U JP14899786 U JP 14899786U JP 14899786 U JP14899786 U JP 14899786U JP S6355248 U JPS6355248 U JP S6355248U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- index position
- rotating body
- frame
- axis
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Rotational Drive Of Disk (AREA)
Description
第１図は磁気デイスク装置のフレーム底面側を
示す斜視図、第２図はインデツクス位置検出の電
気的ブロツク図、第３図はインデツクス位置調整
方法を示す説明図である。
図中１は磁気記録再生装置、３はフレーム、５
は回路基板、５ａは円弧溝、９はコイル、１１は
回転軸、１５は磁気デイスク、１７は回転部材、
１９はロータ、２１は被検出体としての磁石片、
２３は検出部材としてのホール素子である。
FIG. 1 is a perspective view showing the bottom side of the frame of the magnetic disk device, FIG. 2 is an electrical block diagram for detecting an index position, and FIG. 3 is an explanatory diagram showing a method for adjusting the index position. In the figure, 1 is a magnetic recording/reproducing device, 3 is a frame, and 5 is a magnetic recording/reproducing device.
5a is a circuit board, 5a is an arcuate groove, 9 is a coil, 11 is a rotating shaft, 15 is a magnetic disk, 17 is a rotating member,
19 is a rotor, 21 is a magnet piece as a detected object,
23 is a Hall element as a detection member.
Claims (1)
ンデツクス位置を検出し、該インデツクス位置を
基準としてデータを記録再生する磁気記録再生装
置において、 各種の電気回路が設けられ、フレームに対し回
転体の軸心を中心に回動可能に取付けられた回路
基板と、 前記回路基板を、前記回転体の軸心を中心とす
る同心位置に設けられた円弧溝の孔に沿つて回動
可能に支持するとともにフレームに固定する固定
手段と、 前記回路基板上において回転体の軸心を中心に
周方向へ所要の間隔をおいて配列された多数のコ
イルと、前記回転体の回転軸に取付けられ前記コ
イルと所要の間隔をおいて対向する永久磁石を有
したロータとからなる駆動部材と、 前記磁気デイスクのインデツクス位置に対応す
るようにロータに取付けられた被検出体と、 前記磁気デイスクのインデツクス位置を検出す
るように回路基板に取付けられた検出部材と、 を備え、前記フレームに対し回路基板を回動調
整して前記検出部材が被検出体を検出する回転位
置を調整し得るように構成したことを特徴とする
磁気記録再生装置のインデツクス位置調整装置。[Claim for Utility Model Registration] A magnetic recording and reproducing device that detects the index position of a magnetic disk tracked by a rotating body and records and reproduces data based on the index position, which is provided with various electric circuits and has a frame. On the other hand, a circuit board is mounted to be rotatable about the axis of the rotating body, and the circuit board is rotated along a hole in an arcuate groove provided at a concentric position about the axis of the rotating body. a fixing means for supporting the circuit board and fixing it to the frame; a large number of coils arranged on the circuit board at predetermined intervals in the circumferential direction around the axis of the rotating body; a driving member comprising a rotor having a permanent magnet attached thereto and facing the coil at a required interval; a detected object attached to the rotor so as to correspond to an index position of the magnetic disk; and the magnetic disk. a detection member attached to a circuit board so as to detect the index position of the detection object, and the circuit board is rotationally adjusted with respect to the frame to adjust the rotational position at which the detection member detects the object to be detected. 1. An index position adjustment device for a magnetic recording/reproducing device, characterized in that it is configured as follows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14899786U JPS6355248U (en) | 1986-09-29 | 1986-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14899786U JPS6355248U (en) | 1986-09-29 | 1986-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6355248U true JPS6355248U (en) | 1988-04-13 |
Family
ID=31063787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14899786U Pending JPS6355248U (en) | 1986-09-29 | 1986-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6355248U (en) |
-
1986
- 1986-09-29 JP JP14899786U patent/JPS6355248U/ja active Pending
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