JPS6145730U - Pick-up objective lens unit for optical disks - Google Patents
Pick-up objective lens unit for optical disksInfo
- Publication number
- JPS6145730U JPS6145730U JP12875084U JP12875084U JPS6145730U JP S6145730 U JPS6145730 U JP S6145730U JP 12875084 U JP12875084 U JP 12875084U JP 12875084 U JP12875084 U JP 12875084U JP S6145730 U JPS6145730 U JP S6145730U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- lens unit
- pick
- lens
- optical disks
- 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.)
- Granted
Links
Landscapes
- Lens Barrels (AREA)
- Optical Head (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図は投栽装置へ取付けた場合の本考案対物レンズユ
ニットの７部断面図、第２図はその上面図、第３図、第
５畝第７図はレンズの別の面を搭載装置への取付面とし
た場合の対物レンズユニットの一部断面図、第４図、第
６図、第８図はそれ等の上面図、第９図は本考案の対物
、レンズユニットが組込まれたピックアップユニットと
ディスクの概略関係図、第１０図はその平面区である。
１・・・レンズ、−２・・・搭載装置、Ａ・・・取付嵌
合面、Ｆ・・・取付突当面（フランジ面）、Ｄ・・・レ
ンズ外径、ｄ，ｄ’・・・レンズ有効面外径、ａ・・・
嵌合面長さ、ｂ・・・突当て面の巾、〜■・・一搭載装
置の巾寸法、Ｔ・・・搭載装置の厚さ寸法、Ｃ・・・光
軸、３・・・対物レンズユニット、４・・・スライドガ
イド（Ｚ方向）、４′・・・スライドガイド（Ｘ方向）
、５・・・光テイスク、６・・・情報ピット、７・・・
ディスク装填台、８・・・ピックアップユニット、ｍ・
・・プログラムエリャ、ｎ・・・自録時間記録エリャ。Figure 1 is a 7-part sectional view of the objective lens unit of the present invention when it is attached to a projection device, Figure 2 is its top view, Figures 3 and 5 are ridges, and Figure 7 is a device in which another side of the lens is mounted. 4, 6, and 8 are top views of the objective lens unit, and FIG. 9 is a partial sectional view of the objective lens unit when the objective lens unit of the present invention is installed. FIG. 10, which is a schematic relationship diagram between the pickup unit and the disk, is a plan view thereof. 1... Lens, -2... Mounting device, A... Mounting fitting surface, F... Mounting abutting surface (flange surface), D... Lens outer diameter, d, d'... Lens effective surface outer diameter, a...
Length of mating surface, b... Width of abutting surface, ~ ■... Width dimension of the mounted device, T... Thickness dimension of the mounted device, C... Optical axis, 3... Objective Lens unit, 4...Slide guide (Z direction), 4'...Slide guide (X direction)
, 5... Optical take, 6... Information pit, 7...
Disc loading stand, 8...Pickup unit, m.
...Program area, n...Self-recorded time recording area.
Claims (1)
料で一体成形又は一体型押したレンズにおいて、前記枠
が光軸に同心の円筒状嵌合部及び該嵌合部に連結七てそ
の直角なフランジ面を形成し、該嵌合部及びフランシ面
を該レンズの搭載装置への取付面としたことを特徴とす
る光ディスク用ピックアップ対物レンズユニット。In a lens in which a frame protruding outside the effective surface of the lens surface is integrally molded or integrally pressed from the same material as the effective surface, the frame is connected to a cylindrical fitting part concentric with the optical axis and the fitting part. A pickup objective lens unit for an optical disc, characterized in that the flange surface is formed at a right angle, and the fitting portion and the flange surface are used as mounting surfaces for mounting the lens on a mounting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984128750U JP2507399Y2 (en) | 1984-08-24 | 1984-08-24 | Pickup objective lens unit for optical disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984128750U JP2507399Y2 (en) | 1984-08-24 | 1984-08-24 | Pickup objective lens unit for optical disk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6145730U true JPS6145730U (en) | 1986-03-26 |
| JP2507399Y2 JP2507399Y2 (en) | 1996-08-14 |
Family
ID=30687375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984128750U Expired - Lifetime JP2507399Y2 (en) | 1984-08-24 | 1984-08-24 | Pickup objective lens unit for optical disk |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2507399Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017026817A (en) * | 2015-07-22 | 2017-02-02 | キヤノン株式会社 | Optical component, manufacturing method for optical component, and camera |
| JP2021033271A (en) * | 2019-08-15 | 2021-03-01 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Lens module |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543531A (en) * | 1978-09-21 | 1980-03-27 | Fuji Photo Optical Co Ltd | Plastic lens |
| JPS56113301A (en) * | 1980-02-13 | 1981-09-07 | Asahi Chem Ind Co Ltd | Method and apparatus for separation of fluid |
| JPS5936034U (en) * | 1982-08-31 | 1984-03-06 | ソニー株式会社 | optical pick up |
| JPS5945744U (en) * | 1982-09-17 | 1984-03-27 | ソニー株式会社 | Optical signal regeneration head device |
| JPS5990808A (en) * | 1982-11-16 | 1984-05-25 | Matsushita Electric Ind Co Ltd | Plastic lens |
| JPS59201238A (en) * | 1983-04-28 | 1984-11-14 | Olympus Optical Co Ltd | Optical head |
-
1984
- 1984-08-24 JP JP1984128750U patent/JP2507399Y2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5543531A (en) * | 1978-09-21 | 1980-03-27 | Fuji Photo Optical Co Ltd | Plastic lens |
| JPS56113301A (en) * | 1980-02-13 | 1981-09-07 | Asahi Chem Ind Co Ltd | Method and apparatus for separation of fluid |
| JPS5936034U (en) * | 1982-08-31 | 1984-03-06 | ソニー株式会社 | optical pick up |
| JPS5945744U (en) * | 1982-09-17 | 1984-03-27 | ソニー株式会社 | Optical signal regeneration head device |
| JPS5990808A (en) * | 1982-11-16 | 1984-05-25 | Matsushita Electric Ind Co Ltd | Plastic lens |
| JPS59201238A (en) * | 1983-04-28 | 1984-11-14 | Olympus Optical Co Ltd | Optical head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017026817A (en) * | 2015-07-22 | 2017-02-02 | キヤノン株式会社 | Optical component, manufacturing method for optical component, and camera |
| US10302896B2 (en) | 2015-07-22 | 2019-05-28 | Canon Kabushiki Kaisha | Optical part, method of manufacturing the optical part, and camera |
| JP2021033271A (en) * | 2019-08-15 | 2021-03-01 | エーエーシー オプティックス ソリューションズ ピーティーイー リミテッド | Lens module |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2507399Y2 (en) | 1996-08-14 |
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