JPS636524U - - Google Patents
Info
- Publication number
- JPS636524U JPS636524U JP9736686U JP9736686U JPS636524U JP S636524 U JPS636524 U JP S636524U JP 9736686 U JP9736686 U JP 9736686U JP 9736686 U JP9736686 U JP 9736686U JP S636524 U JPS636524 U JP S636524U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- prism
- objective lens
- system housing
- optical system
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
Landscapes
- Optical Head (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
第1図は本考案に係る光ピツクアツプ装置の要
部についての分解斜視図、第2図は本考案に係る
プリズムの光学系ハウジングに対する取付状態を
説明した斜視図、第3図は従来技術における光ピ
ツクアツプの要部斜視図である。
34…プリズム。
FIG. 1 is an exploded perspective view of the main parts of the optical pickup device according to the present invention, FIG. 2 is a perspective view illustrating how the prism according to the present invention is attached to the optical system housing, and FIG. 3 is an exploded perspective view of the main parts of the optical pickup device according to the present invention. FIG. 3 is a perspective view of the main parts of the pickup. 34...Prism.
Claims (1)
録再生を行なうための検出系を備え、この光学系
ハウジングの側方に対物レンズ及び対物レンズ駆
動装置を張り出し状に設け、この対物レンズ駆動
装置と上記光学系ハウジングとを光学手段を以て
光学的に結合している光ピツクアツプ装置におい
て、 上記光学手段を構成する主要部材が、光軸方向
に長尺のプリズムであり、このプリズムが、4角
柱の一端に直角プリズム、同他端にビームスプリ
ツタをそれぞれ取付けた如き形状の一体の透明体
からなることを特徴とする光ピツクアツプ装置。[Scope of Claim for Utility Model Registration] An optical system housing is provided with a semiconductor laser and a detection system for recording and reproducing information, and an objective lens and an objective lens driving device are provided in a projecting manner on the side of the optical system housing, In an optical pickup device in which the objective lens drive device and the optical system housing are optically coupled by optical means, a main member constituting the optical means is a prism elongated in the optical axis direction, and the prism is elongated in the optical axis direction. An optical pickup device comprising an integral transparent body shaped like a rectangular prism with a right-angle prism attached to one end and a beam splitter attached to the other end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9736686U JPS636524U (en) | 1986-06-25 | 1986-06-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9736686U JPS636524U (en) | 1986-06-25 | 1986-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS636524U true JPS636524U (en) | 1988-01-16 |
Family
ID=30964221
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9736686U Pending JPS636524U (en) | 1986-06-25 | 1986-06-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS636524U (en) |
-
1986
- 1986-06-25 JP JP9736686U patent/JPS636524U/ja active Pending
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