JPS6324723U - - Google Patents
Info
- Publication number
- JPS6324723U JPS6324723U JP11443486U JP11443486U JPS6324723U JP S6324723 U JPS6324723 U JP S6324723U JP 11443486 U JP11443486 U JP 11443486U JP 11443486 U JP11443486 U JP 11443486U JP S6324723 U JPS6324723 U JP S6324723U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- objective lens
- optical pickup
- shaft
- hole
- 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 4
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Lens Barrels (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図は本考案の一実施例の駆動機構のアーム
の構造図で、第２図は従来のアームの構造図、第
３図は光ピツクアツプの概略構成図、第４図はバ
ラストを除いた駆動機構の斜視図、第５図は第４
図の駆動機構のＡ／Ａ断面図でバラストを挿入し
た図である。
１……レーザダイオード、２……偏光プリズム
、３……１／４波長板、４……コリメータレンズ
、５……光デイスク、６……対物レンズ、７……
駆動機構、８……シリンドリカルレンズ、９……
受光素子、１０……アーム、１１……対物レンズ
取付孔、１２……シヤフト孔、１３……シヤフト
、１４……バラスト挿入孔、１５……バラスト、
１６……フオーカシングコイル、１７，１９……
マグネツト、１８……トラツキングコイル、２０
……胴部。
Figure 1 is a structural diagram of an arm of a drive mechanism according to an embodiment of the present invention, Figure 2 is a structural diagram of a conventional arm, Figure 3 is a schematic diagram of an optical pickup, and Figure 4 is a diagram with the ballast removed. A perspective view of the drive mechanism, FIG.
It is an A/A sectional view of the drive mechanism shown in the figure, with a ballast inserted. 1... Laser diode, 2... Polarizing prism, 3... 1/4 wavelength plate, 4... Collimator lens, 5... Optical disk, 6... Objective lens, 7...
Drive mechanism, 8... Cylindrical lens, 9...
Light receiving element, 10... Arm, 11... Objective lens mounting hole, 12... Shaft hole, 13... Shaft, 14... Ballast insertion hole, 15... Ballast,
16... Focusing coil, 17, 19...
Magnet, 18...Tracking coil, 20
...Torso.
Claims (1)
まれ、その中央の孔を貫通するシヤフトに回転並
びに摺動自在に支持されたアームに対物レンズを
装着したトラツキングサーボ及びフオーカスサー
ボの駆動機構を有する光ピツクアツプにおいて、
前記アームと前記対物レンズとを一体成形したこ
とを特徴とする光ピツクアツプ。 Driving a tracking servo and a focus servo, which have an objective lens attached to an arm that has a coil wound around it, is surrounded by permanent magnets on all sides, and is rotatably and slidably supported by a shaft that passes through a hole in the center. In an optical pickup with a mechanism,
An optical pickup characterized in that the arm and the objective lens are integrally molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11443486U JPS6324723U (en) | 1986-07-25 | 1986-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11443486U JPS6324723U (en) | 1986-07-25 | 1986-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6324723U true JPS6324723U (en) | 1988-02-18 |
Family
ID=30997171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11443486U Pending JPS6324723U (en) | 1986-07-25 | 1986-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6324723U (en) |
-
1986
- 1986-07-25 JP JP11443486U patent/JPS6324723U/ja active Pending