JPS58155636U - optical drive device - Google Patents
optical drive deviceInfo
- Publication number
- JPS58155636U JPS58155636U JP5311582U JP5311582U JPS58155636U JP S58155636 U JPS58155636 U JP S58155636U JP 5311582 U JP5311582 U JP 5311582U JP 5311582 U JP5311582 U JP 5311582U JP S58155636 U JPS58155636 U JP S58155636U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- drive device
- optical drive
- wave plate
- crystal wave
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の光学読取装置の光学系、第２図は従来の
対物レンズの断面図、第３図は本考案の対物レンズの一
実施例の断面図、第４図は他実施例の断面図、第５図は
本発明を実施した対物レンズ駆動装置の部分断面斜視図
である。
５．１３・・・水晶波長板、６・・・対物レンズ、１１
・・・鏡筒、１２・・・単レンズ、１４・・・基台、１
５・・・磁気回路、１９・・・対物レンズ、２０・・・
駆動コイル。
才４２図
才 ５ 図Fig. 1 shows the optical system of a conventional optical reading device, Fig. 2 is a sectional view of a conventional objective lens, Fig. 3 is a sectional view of one embodiment of the objective lens of the present invention, and Fig. 4 shows another embodiment of the objective lens. 5 is a partially sectional perspective view of an objective lens driving device embodying the present invention. 5.13...Crystal wave plate, 6...Objective lens, 11
... Lens barrel, 12... Single lens, 14... Base, 1
5... Magnetic circuit, 19... Objective lens, 20...
drive coil. 42 figures 5 figures
Claims (1)
置の対物レンズの一部に水晶波長板を組み込むかもしく
は対物レンズの外部に固着させ、互いに直交する２方向
あるいは３方向に駆動するための複数個のコイルまたは
マグネットなどの電磁約定段と駆動方向に変形する支持
手段により対物レンズを含む光学系を対応する電気信号
によって各々の方向に振動さすことを特徴とする光学駆
動装置。 ２ 前記水晶波長板の一部に（ぼみを設は対物レンズと
嵌合できる実用新案登録請求の範囲第１項記載の光学駆
動装置。[Claims for Utility Model Registration] 1. A crystal wave plate is built into a part of the objective lens of a device that optically reads information recorded on a recording medium, or is fixed to the outside of the objective lens, and the crystal wave plate is installed in two directions perpendicular to each other. Alternatively, the optical system including the objective lens is vibrated in each direction by a corresponding electric signal using an electromagnetic stage such as a plurality of coils or magnets for driving in three directions and a support means that deforms in the driving direction. optical drive device. 2. The optical drive device according to claim 1, wherein a recess is provided in a part of the crystal wave plate and can be fitted with an objective lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311582U JPS58155636U (en) | 1982-04-14 | 1982-04-14 | optical drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5311582U JPS58155636U (en) | 1982-04-14 | 1982-04-14 | optical drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58155636U true JPS58155636U (en) | 1983-10-18 |
Family
ID=30063796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5311582U Pending JPS58155636U (en) | 1982-04-14 | 1982-04-14 | optical drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58155636U (en) |
-
1982
- 1982-04-14 JP JP5311582U patent/JPS58155636U/en active Pending
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