JPS6152329U - - Google Patents
Info
- Publication number
- JPS6152329U JPS6152329U JP13738184U JP13738184U JPS6152329U JP S6152329 U JPS6152329 U JP S6152329U JP 13738184 U JP13738184 U JP 13738184U JP 13738184 U JP13738184 U JP 13738184U JP S6152329 U JPS6152329 U JP S6152329U
- Authority
- JP
- Japan
- Prior art keywords
- optical element
- frame body
- optical
- cylindrical lens
- protrusion
- 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 12
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図はデジタルオーデイオデイスクの一例に
おける光学ピツクアツプのピツクアツプハウジン
グを除去した状態の各光学素子を示す斜視図、第
２図は本考案の第１の実施例による方向性光学素
子としてシリンドリカルレンズを内装したアナモ
フイツクレンズ部材の縦断面図、第３図は第２図
のものの分解斜視図、第４図は本考案の第２の実
施例による方向性光学素子としてシリンドリカル
レンズを内装したアナモフイツクレンズ部材の縦
断面図、第５図は第４図のものの分解斜視図であ
る。
１０，１５……シリンドリカルレンズ、１０ｂ
，１６ｃ……突起、１１……フレーム体、１２…
…集光レンズ、１１ａ……係合溝、１１ｂ……位
置決め溝、１６……補助枠。
FIG. 1 is a perspective view showing each optical element of an optical pickup in an example of a digital audio disk with the pickup housing removed, and FIG. 2 is a cylindrical lens installed as a directional optical element according to the first embodiment of the present invention. FIG. 3 is an exploded perspective view of the anamorphic lens member shown in FIG. 2, and FIG. 4 shows an anamorphic lens equipped with a cylindrical lens as a directional optical element according to a second embodiment of the present invention. A longitudinal sectional view of the lens member, FIG. 5 is an exploded perspective view of the lens member shown in FIG. 10, 15... Cylindrical lens, 10b
, 16c...Protrusion, 11...Frame body, 12...
...Condenser lens, 11a...Engagement groove, 11b...Positioning groove, 16...Auxiliary frame.
Claims (1)
格子もしくはシリンドリカルレンズ等の方向性光
学素子をフレーム体に取付けるについて、該フレ
ーム体に光軸方向に沿つて係合溝が設けられ、こ
の係合溝に光学素子もしくは光学素子とフレーム
体間に介在する補助枠に形成された光学素子の方
向性を規定する突起が係合されて組付けられたこ
とを特徴とする光学素子組付け構造。 In picking up an optical disk, when attaching a directional optical element such as a diffraction grating or a cylindrical lens to a frame body, an engagement groove is provided in the frame body along the optical axis direction, and the optical element or An optical element assembly structure characterized in that the optical element is assembled by engaging a protrusion that defines the directionality of the optical element formed on an auxiliary frame interposed between the optical element and the frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13738184U JPS6152329U (en) | 1984-09-11 | 1984-09-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13738184U JPS6152329U (en) | 1984-09-11 | 1984-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6152329U true JPS6152329U (en) | 1986-04-08 |
Family
ID=30695794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13738184U Pending JPS6152329U (en) | 1984-09-11 | 1984-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6152329U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005093730A1 (en) * | 2004-03-25 | 2008-07-31 | パイオニア株式会社 | Optical pickup, method for manufacturing the same, and holding device |
-
1984
- 1984-09-11 JP JP13738184U patent/JPS6152329U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005093730A1 (en) * | 2004-03-25 | 2008-07-31 | パイオニア株式会社 | Optical pickup, method for manufacturing the same, and holding device |
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