JPS61112302U - - Google Patents
Info
- Publication number
- JPS61112302U JPS61112302U JP19944984U JP19944984U JPS61112302U JP S61112302 U JPS61112302 U JP S61112302U JP 19944984 U JP19944984 U JP 19944984U JP 19944984 U JP19944984 U JP 19944984U JP S61112302 U JPS61112302 U JP S61112302U
- Authority
- JP
- Japan
- Prior art keywords
- prism
- plastic
- engaging portion
- locking
- utility
- 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
Landscapes
- Optical Elements Other Than Lenses (AREA)
- Optical Head (AREA)
Description
第１図は、本考案のプリズムの組付状態を示す
斜視図、第２図はその分離した状態の斜視図、第
３図は本考案の係合部を示す斜視図、第４図は本
考案の他の実施例を示す斜視図、第５図は本考案
の一部拡大図、第６図は光ピツクアツプの光学系
を示す概略図である。
７……ビームスプリツタ、８……第１のプリズ
ム、９……第２のプリズム、９ｃ……溝部。
Fig. 1 is a perspective view showing the assembled state of the prism of the present invention, Fig. 2 is a perspective view of the prism in its separated state, Fig. 3 is a perspective view showing the engaging portion of the present invention, and Fig. 4 is a perspective view of the prism of the present invention. FIG. 5 is a partially enlarged view of the invention, and FIG. 6 is a schematic diagram showing the optical system of the optical pickup. 7... Beam splitter, 8... First prism, 9... Second prism, 9c... Groove.
Claims (1)
されるプリズムにおいて、該プリズムをプラスチ
ツクで形成するとともに、該プリズムに係止用の
係合部を一体に設けたことを特徴とするプラスチ
ツクプリズム構造。 1. A plastic prism structure for use in an optical device, an optical recording/reproducing device, etc., characterized in that the prism is made of plastic and an engaging portion for locking is integrally provided on the prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19944984U JPS61112302U (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19944984U JPS61112302U (en) | 1984-12-25 | 1984-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61112302U true JPS61112302U (en) | 1986-07-16 |
Family
ID=30759383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19944984U Pending JPS61112302U (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61112302U (en) |
-
1984
- 1984-12-25 JP JP19944984U patent/JPS61112302U/ja active Pending