JPS6381370U - - Google Patents
Info
- Publication number
- JPS6381370U JPS6381370U JP17423886U JP17423886U JPS6381370U JP S6381370 U JPS6381370 U JP S6381370U JP 17423886 U JP17423886 U JP 17423886U JP 17423886 U JP17423886 U JP 17423886U JP S6381370 U JPS6381370 U JP S6381370U
- Authority
- JP
- Japan
- Prior art keywords
- position scale
- optical head
- scale
- detection device
- slit
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図は、本考案の一実施例の平面図、第２図
は従来の光ヘツドの位置検出装置の一例の平面図
である。
１…光ヘツド、２…磁気回路、３…レール、５
…ポジシヨンセンサ、６，１６…ポジシヨンスケ
ール、７ａ，７ｂ，１７…エツジセンサ、９，１
９…キヤリジ、１８…エツジプレート。
FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 is a plan view of an example of a conventional optical head position detection device. 1...Optical head, 2...Magnetic circuit, 3...Rail, 5
...Position sensor, 6, 16...Position scale, 7a, 7b, 17...Edge sensor, 9,1
9...carriage, 18...edge plate.
Claims (1)
ジの一方の辺に固定して設けられたポジシヨンス
ケールと、前記ポジシヨンスケールのスリツトを
検出するポジシヨンセンサと、前記キヤリジがそ
の運動範囲の両端に移動したとき前記ポジシヨン
スケールの端部を検出する２個のエツジセンサと
を備えることを特徴とする光ヘツドの位置検出装
置。 A position scale fixed to one side of a carriage carrying an optical head and performing positioning movement; a position sensor for detecting a slit in the position scale; 1. A position detection device for an optical head, comprising two edge sensors that detect ends of the position scale when the position scale moves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17423886U JPS6381370U (en) | 1986-11-12 | 1986-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17423886U JPS6381370U (en) | 1986-11-12 | 1986-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381370U true JPS6381370U (en) | 1988-05-28 |
Family
ID=31112432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17423886U Pending JPS6381370U (en) | 1986-11-12 | 1986-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381370U (en) |
-
1986
- 1986-11-12 JP JP17423886U patent/JPS6381370U/ja active Pending
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