JPS6437911U - - Google Patents
Info
- Publication number
- JPS6437911U JPS6437911U JP13416187U JP13416187U JPS6437911U JP S6437911 U JPS6437911 U JP S6437911U JP 13416187 U JP13416187 U JP 13416187U JP 13416187 U JP13416187 U JP 13416187U JP S6437911 U JPS6437911 U JP S6437911U
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- photodetector
- emitting source
- light emitting
- light
- 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 5
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Head (AREA)
- Optical Recording Or Reproduction (AREA)
Description
第１図ａ，ｂは本考案の一実施例に係る光学的
読み取り装置の要部の概略構成を示すものであつ
て、同図ａは平面図、同図ｂは正面図、第２図ａ
，ｂは従来の光学的読み取り装置の要部の概略構
成を示すものであつて、同図ａは平面図、同図ｂ
は正面図である。
符号の説明、１……対物レンズ、２……ハウジ
ング本体、２ａ……基準面、３……ビームスプリ
ツタ、３……発光源、５……光検出器、６……基
板、９……支持部材、１０……板バネ（弾性部材
）、Ｂ……光学的読み取り装置。
Figures 1a and 1b show the schematic configuration of the main parts of an optical reading device according to an embodiment of the present invention, in which figure a is a plan view, figure b is a front view, and figure 2a is a front view.
, b show the schematic configuration of the main parts of a conventional optical reading device, where a is a plan view and b is a plan view.
is a front view. Explanation of symbols, 1...Objective lens, 2...Housing body, 2a...Reference surface, 3...Beam splitter, 3...Light source, 5...Photodetector, 6...Substrate, 9... Support member, 10... plate spring (elastic member), B... optical reading device.
Claims (1)
学的に記録されているデイスク媒体の記録面に照
射し得るように配備された対物レンズと、 上記発光源と対物レンズとの間に配備され、発
光源からの光を対物レンズに導くと共に、上記デ
イスク媒体の記録面で反射され対物レンズで集光
された反射光束を屈折させて該反射光束の光軸と
直角のハウジング本体上の基準面に配備された光
検出器に導くためのビームスプリツタとを有する
光学的読み取り装置において、 上記光検出器を、上記基準面と弾性部材とで挾
持し、この弾性部材の弾性付勢力により保持して
なることを特徴とする光学的読み取り装置。[Claims for Utility Model Registration] An objective lens arranged to focus light emitted from a light emitting source and irradiate it onto a recording surface of a disk medium on which information is optically recorded; and the light emitting source. and the objective lens, and guides the light from the light emitting source to the objective lens, and refracts the reflected light beam reflected by the recording surface of the disk medium and condensed by the objective lens, thereby refracting the optical axis of the reflected light beam. and a beam splitter for guiding the beam to a photodetector disposed on a reference surface on the housing body perpendicular to the photodetector, the photodetector being sandwiched between the reference surface and an elastic member; An optical reading device characterized in that it is held by an elastic biasing force of an elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13416187U JPS6437911U (en) | 1987-09-02 | 1987-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13416187U JPS6437911U (en) | 1987-09-02 | 1987-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437911U true JPS6437911U (en) | 1989-03-07 |
Family
ID=31392665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13416187U Pending JPS6437911U (en) | 1987-09-02 | 1987-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437911U (en) |
-
1987
- 1987-09-02 JP JP13416187U patent/JPS6437911U/ja active Pending
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