JPH0454029U - - Google Patents
Info
- Publication number
- JPH0454029U JPH0454029U JP9363590U JP9363590U JPH0454029U JP H0454029 U JPH0454029 U JP H0454029U JP 9363590 U JP9363590 U JP 9363590U JP 9363590 U JP9363590 U JP 9363590U JP H0454029 U JPH0454029 U JP H0454029U
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- light source
- recording medium
- optical means
- 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 8
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
Description
第１図は本考案の光ピツクアツプ装置の一実施
例の構成を示すブロツク図、第２図は第１図の実
施例の受光素子の取付状態を拡大して示す図であ
る。
１……光源、２……コリメートレンズ、３……
ビームスプリツタ、３ａ，３ｂ……面、４……対
物レンズ、５……光デイスク、６……集光レンズ
、７，８，９……受光素子、１０……ＡＰＣ回路
、２１……光軸。
FIG. 1 is a block diagram showing the structure of an embodiment of the optical pickup device of the present invention, and FIG. 2 is an enlarged view showing the state in which the light receiving element of the embodiment of FIG. 1 is mounted. 1...Light source, 2...Collimating lens, 3...
Beam splitter, 3a, 3b... surface, 4... objective lens, 5... optical disk, 6... condensing lens, 7, 8, 9... light receiving element, 10... APC circuit, 21... light shaft.
Claims (1)
束、照射する第１の光学手段と、 前記光源手段より出射された光または前記記録
媒体により反射された光の一部を分離する第２の
光学手段と、 前記第２の光学手段により分離された光を受光
する、その光の光軸に対して所定の角度傾斜して
配置された受光手段とを備えることを特徴とする
光ピツクアツプ装置。[Claims for Utility Model Registration] Light source means for generating light; first optical means for focusing and irradiating light emitted from the light source means onto a recording medium; and light emitted from the light source means or the recording medium. a second optical means that separates a part of the light reflected by the medium; and a second optical means that receives the light separated by the second optical means and is arranged at a predetermined angle with respect to the optical axis of the light. What is claimed is: 1. An optical pickup device comprising a light receiving means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9363590U JPH0454029U (en) | 1990-09-06 | 1990-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9363590U JPH0454029U (en) | 1990-09-06 | 1990-09-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0454029U true JPH0454029U (en) | 1992-05-08 |
Family
ID=31831001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9363590U Pending JPH0454029U (en) | 1990-09-06 | 1990-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454029U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61144733A (en) * | 1984-12-19 | 1986-07-02 | Hitachi Ltd | Optical information reproducing device |
-
1990
- 1990-09-06 JP JP9363590U patent/JPH0454029U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61144733A (en) * | 1984-12-19 | 1986-07-02 | Hitachi Ltd | Optical information reproducing device |