JPS6145729U - optical system unit - Google Patents
optical system unitInfo
- Publication number
- JPS6145729U JPS6145729U JP12830484U JP12830484U JPS6145729U JP S6145729 U JPS6145729 U JP S6145729U JP 12830484 U JP12830484 U JP 12830484U JP 12830484 U JP12830484 U JP 12830484U JP S6145729 U JPS6145729 U JP S6145729U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- lens
- system unit
- flat surface
- lens holder
- 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
- Mounting And Adjusting Of Optical Elements (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第１〜第４図は本考案の実施例を示すものてあり、第１
図は光学系ユニットの平面図、第２図は第１図の側面断
面図、第３図は第１図の■−■断面図、第４図は光学系
ユニットの要部分解図、，第５図は従来の光学系ユニッ
トの側面断面図、第６図は光学式ピンクアップの動作を
示す原理図である。
１・・・レンズホルダ、３・・・ビームスプリップ、４
・・・コリメートレンズ、４ｃ・・・平面、１０ｃ・・
・（他の）溝、１０ｄ・・・溝、１０ｈ・・・段部。[Brief explanation of the drawings] Figures 1 to 4 show embodiments of the present invention.
The figure is a plan view of the optical system unit, Figure 2 is a side cross-sectional view of Figure 1, Figure 3 is a sectional view taken along ■-■ of Figure 1, and Figure 4 is an exploded view of the main parts of the optical system unit. FIG. 5 is a side sectional view of a conventional optical system unit, and FIG. 6 is a principle diagram showing the operation of optical pink-up. 1... Lens holder, 3... Beam split, 4
... Collimating lens, 4c... Plane, 10c...
- (Other) groove, 10d...Groove, 10h...Step part.
Claims (1)
ビームスプリツタとがレンズホルダに接着されている光
学系ユニットにおいて、前記レンズの外周面がレンズホ
ルダに形成された溝に嵌着され、このレンズの平面が上
記溝の軸方向に形成された段部に当接され、且つビーム
スプリツタがレンズホルダに形成された角形状の溝に嵌
着されて位置決めされていることを特徴とする光学系ユ
ニット。In an optical system unit in which a lens having a flat surface on one side and a beam splitter bonded to the flat surface of the lens are bonded to a lens holder, an outer peripheral surface of the lens is fitted into a groove formed in the lens holder, The flat surface of the lens is in contact with a step formed in the axial direction of the groove, and the beam splitter is positioned by being fitted into an angular groove formed in the lens holder. optical system unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12830484U JPS6145729U (en) | 1984-08-24 | 1984-08-24 | optical system unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12830484U JPS6145729U (en) | 1984-08-24 | 1984-08-24 | optical system unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6145729U true JPS6145729U (en) | 1986-03-26 |
Family
ID=30686935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12830484U Pending JPS6145729U (en) | 1984-08-24 | 1984-08-24 | optical system unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6145729U (en) |
-
1984
- 1984-08-24 JP JP12830484U patent/JPS6145729U/en active Pending
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