JPS61149119U - - Google Patents
Info
- Publication number
- JPS61149119U JPS61149119U JP3095185U JP3095185U JPS61149119U JP S61149119 U JPS61149119 U JP S61149119U JP 3095185 U JP3095185 U JP 3095185U JP 3095185 U JP3095185 U JP 3095185U JP S61149119 U JPS61149119 U JP S61149119U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens
- barrel
- coil
- beam splitter
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例の断面図、第２図は
他の実施例の断面図、第３図は従来の光学式ピツ
クアツプの略示図である。
１……光源、２……コリメータレンズ、３……
ビームスプリツタ、４……対物レンズ、５……光
デイスク、６……受光素子、１２……鏡筒、１２
ａ……対物レンズ、１３……コイル、１４……板
バネ。
FIG. 1 is a sectional view of one embodiment of the present invention, FIG. 2 is a sectional view of another embodiment, and FIG. 3 is a schematic diagram of a conventional optical pickup. 1...Light source, 2...Collimator lens, 3...
Beam splitter, 4... Objective lens, 5... Optical disk, 6... Light receiving element, 12... Lens barrel, 12
a... Objective lens, 13... Coil, 14... Leaf spring.
Claims (1)
スプリツタを通つた平行光線を光デイスク上に焦
点を結ばせ、且つその反射光を受光する対物レン
ズと鏡筒とを対物レンズ材料で一体成型し、該鏡
筒の外面に直接コイルを形成すると共に、該鏡筒
に直接板バネを取付けたことを特徴とする光学式
ピツクアツプの対物レンズ保持装置。 An objective lens and a lens barrel that focus parallel light emitted from a light source and pass through a collimator lens and a beam splitter onto an optical disk and receive the reflected light are integrally molded from an objective lens material, and the mirror 1. An objective lens holding device for an optical pickup, characterized in that a coil is formed directly on the outer surface of a barrel, and a leaf spring is attached directly to the lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3095185U JPS61149119U (en) | 1985-03-06 | 1985-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3095185U JPS61149119U (en) | 1985-03-06 | 1985-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61149119U true JPS61149119U (en) | 1986-09-13 |
Family
ID=30531111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3095185U Pending JPS61149119U (en) | 1985-03-06 | 1985-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61149119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213132A (en) * | 1987-02-27 | 1988-09-06 | Konica Corp | Objective lens unit for optical disk |
-
1985
- 1985-03-06 JP JP3095185U patent/JPS61149119U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63213132A (en) * | 1987-02-27 | 1988-09-06 | Konica Corp | Objective lens unit for optical disk |