JPH032470U - - Google Patents
Info
- Publication number
- JPH032470U JPH032470U JP5982189U JP5982189U JPH032470U JP H032470 U JPH032470 U JP H032470U JP 5982189 U JP5982189 U JP 5982189U JP 5982189 U JP5982189 U JP 5982189U JP H032470 U JPH032470 U JP H032470U
- Authority
- JP
- Japan
- Prior art keywords
- guide shaft
- optical pickup
- converts
- detects
- detecting
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図〜第３図は本考案の実施例を示す説明図
である。第１図は本考案の要部を抽出した立体図
、第２図は平面図、第３図は検出回路の実施例の
ブロツク図、第４図は従来例の図である。
図中、１……光学式ピツクアツプ、３……電気
抵抗を有するガイド軸、５……接触部、６，７…
…それぞれガイド軸の端部、８……電気検出回路
、８′……位置検出回路である。
FIGS. 1 to 3 are explanatory diagrams showing embodiments of the present invention. FIG. 1 is a three-dimensional diagram showing the essential parts of the present invention, FIG. 2 is a plan view, FIG. 3 is a block diagram of an embodiment of the detection circuit, and FIG. 4 is a diagram of a conventional example. In the figure, 1... optical pick-up, 3... guide shaft having electrical resistance, 5... contact portion, 6, 7...
. . . end of the guide shaft, 8 . . . electric detection circuit, and 8' . . . position detection circuit.
Claims (1)
部７と、前記ガイド軸３と光学式ピツクアツプ１
との接触点５間の抵抗値を検出して、位置を検出
する電気信号に変換して取り出すことを特徴とす
る光学式ピツクアツプ位置検出装置。 The end 6 or end 7 of the guide shaft 3 made of an electric resistor, the guide shaft 3 and the optical pickup 1
An optical pickup position detection device characterized in that it detects the resistance value between the contact point 5 and converts it into an electric signal for detecting the position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5982189U JPH032470U (en) | 1989-05-24 | 1989-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5982189U JPH032470U (en) | 1989-05-24 | 1989-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032470U true JPH032470U (en) | 1991-01-11 |
Family
ID=31586655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5982189U Pending JPH032470U (en) | 1989-05-24 | 1989-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032470U (en) |
-
1989
- 1989-05-24 JP JP5982189U patent/JPH032470U/ja active Pending
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