JPS6329704U - - Google Patents
Info
- Publication number
- JPS6329704U JPS6329704U JP12394086U JP12394086U JPS6329704U JP S6329704 U JPS6329704 U JP S6329704U JP 12394086 U JP12394086 U JP 12394086U JP 12394086 U JP12394086 U JP 12394086U JP S6329704 U JPS6329704 U JP S6329704U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- photoelectric conversion
- conversion element
- light beam
- head moves
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Transform (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Description
第１図はこの考案に係るヘツド位置検出器の第
１実施例を示す構成図、第２図は同じく第２実施
例を示す構成図、第３図はこの考案の作動原理を
示す説明図、第４図は従来のヘツド位置検出器を
示す平面図、第５図は第４図の側面図である。
Ｂ……デイスク装置、３０……ヘツド、４０…
…光源、４１……シリンドリカルレンズ（レンズ
）、４２……フオトデイテクタ（光電変換素子）
、ｒ１，ｒ２……デイスクの半径方向。
FIG. 1 is a block diagram showing a first embodiment of a head position detector according to this invention, FIG. 2 is a block diagram showing a second embodiment, and FIG. 3 is an explanatory diagram showing the operating principle of this invention. FIG. 4 is a plan view showing a conventional head position detector, and FIG. 5 is a side view of FIG. 4. B...Disk device, 30...Head, 40...
...Light source, 41...Cylindrical lens (lens), 42...Photodetector (photoelectric conversion element)
, r 1 , r 2 ... radial direction of the disk.
Claims (1)
るレンズと、該レンズによつて拡散された光束の
一部を受光する光電変換素子との何れか一方をデ
イスクの半径方向に直線移動するヘツドに設ける
と共に、他方を前記ヘツドの移動に伴つて前記一
方と離反、接近するように配設し、 前記ヘツドの移動によつて変化する前記光電変
換素子の出力から前記ヘツドのスライド位置を検
出することを特徴とするデイスク装置のヘツド位
置検出器。[Claims for Utility Model Registration] Either a lens that diffuses a certain amount of parallel light beam emitted from a light source, or a photoelectric conversion element that receives a part of the light beam diffused by the lens, in the radial direction of the disk. and the other is arranged so as to move away from and approach the one as the head moves in a straight line, and the output of the photoelectric conversion element changes as the head moves. A head position detector for a disk device, which detects a slide position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986123940U JPH0432562Y2 (en) | 1986-08-12 | 1986-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986123940U JPH0432562Y2 (en) | 1986-08-12 | 1986-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6329704U true JPS6329704U (en) | 1988-02-26 |
| JPH0432562Y2 JPH0432562Y2 (en) | 1992-08-05 |
Family
ID=31015506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986123940U Expired JPH0432562Y2 (en) | 1986-08-12 | 1986-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432562Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111204U (en) * | 1983-12-29 | 1985-07-27 | 日本航空電子工業株式会社 | Fiber optic displacement meter |
-
1986
- 1986-08-12 JP JP1986123940U patent/JPH0432562Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60111204U (en) * | 1983-12-29 | 1985-07-27 | 日本航空電子工業株式会社 | Fiber optic displacement meter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0432562Y2 (en) | 1992-08-05 |