JPS61132528U - - Google Patents
Info
- Publication number
- JPS61132528U JPS61132528U JP1562885U JP1562885U JPS61132528U JP S61132528 U JPS61132528 U JP S61132528U JP 1562885 U JP1562885 U JP 1562885U JP 1562885 U JP1562885 U JP 1562885U JP S61132528 U JPS61132528 U JP S61132528U
- Authority
- JP
- Japan
- Prior art keywords
- holder
- cylindrical lens
- holding member
- optical axis
- light receiving
- 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 4
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 1
- 101150071927 AANAT gene Proteins 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図ないし第３図は従来のピツクアツプ装置
を説明するための図、第４図及び第５図は本考案
の第１実施例としてのピツクアツプ装置の各々側
断面図及び正面図、第６図ａ及びｂは該ピツクア
ツプ装置のホルダ及びその周辺部材の各々側断面
図及び正面図、第７図及び第８図は本考案の第２
実施例としてのピツクアツプ装置の各々側断面図
及び正面図、第９図ａないしｃは該ピツクアツプ
装置のホルダ及びその周辺部材の各々平面図、側
断面図及び正面図である。
主要部分の符号の説明、１……ピツクアツプボ
デイ、１３……受光素子、１６……シリンドリカ
ルレンズ、３５，４５……円筒状ホルダ、４０…
…スナツプリング、４７……板バネ。
1 to 3 are diagrams for explaining a conventional pickup device, FIGS. 4 and 5 are a side sectional view and a front view, respectively, of a pickup device as a first embodiment of the present invention, and FIG. 6 a and b are a side sectional view and a front view, respectively, of the holder of the pick-up device and its surrounding members, and FIGS. 7 and 8 are the second views of the present invention.
FIGS. 9A to 9C are a side sectional view and a front view, respectively, of a pick-up device as an embodiment, and FIGS. Explanation of symbols of main parts, 1... Pickup body, 13... Light receiving element, 16... Cylindrical lens, 35, 45... Cylindrical holder, 40...
...Snat spring, 47...Plate spring.
Claims (1)
スエラー信号を得るシリンドリカルレンズと、前
記シリンドリカルレンズを前記シリンドリカルレ
ンズの光軸が中心軸と一致するように担持する円
筒状ホルダと、前記ホルダを前記シリンドリカル
レンズの光軸方向において移動自在に保持する保
持部材と、前記ホルダを前記保持部材に対して固
定する固定機構とを含み、前記固定機構は前記ホ
ルダの前記光軸を中心とする回動を規制する規制
手段と、前記ホルダの外周面を前記保持部材に摩
擦係合せしめるためのバネ部材とから成ることを
特徴とする光学式情報記録再生装置におけるピツ
クアツプ装置。 a light receiving element, a cylindrical lens that cooperates with the light receiving element to obtain a focus error signal, a cylindrical holder that supports the cylindrical lens so that an optical axis of the cylindrical lens coincides with a central axis; The cylindrical lens includes a holding member that holds the cylindrical lens movably in the optical axis direction, and a fixing mechanism that fixes the holder to the holding member, and the fixing mechanism rotates the holder about the optical axis. 1. A pick-up device for an optical information recording/reproducing apparatus, comprising: a regulating means for regulating the holder; and a spring member for frictionally engaging the outer peripheral surface of the holder with the holding member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1562885U JPS61132528U (en) | 1985-02-05 | 1985-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1562885U JPS61132528U (en) | 1985-02-05 | 1985-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61132528U true JPS61132528U (en) | 1986-08-19 |
Family
ID=30501642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1562885U Pending JPS61132528U (en) | 1985-02-05 | 1985-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61132528U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0366025U (en) * | 1989-10-31 | 1991-06-27 | ||
| JP2012252154A (en) * | 2011-06-02 | 2012-12-20 | Olympus Corp | Optical axis adjustment device |
-
1985
- 1985-02-05 JP JP1562885U patent/JPS61132528U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0366025U (en) * | 1989-10-31 | 1991-06-27 | ||
| JP2012252154A (en) * | 2011-06-02 | 2012-12-20 | Olympus Corp | Optical axis adjustment device |
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