JPS59118131U - Optical regenerator photodetector - Google Patents
Optical regenerator photodetectorInfo
- Publication number
- JPS59118131U JPS59118131U JP1020283U JP1020283U JPS59118131U JP S59118131 U JPS59118131 U JP S59118131U JP 1020283 U JP1020283 U JP 1020283U JP 1020283 U JP1020283 U JP 1020283U JP S59118131 U JPS59118131 U JP S59118131U
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- recording medium
- laser
- optical regenerator
- reproducing device
- 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
- Photometry And Measurement Of Optical Pulse Characteristics (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図は光学再生装置の基本的光学系を示す図、第２図
は本考案の一実施例を示す図で、同図Ａは平面図、同図
Ｂは側断面図である。
１・・・半導体レーザ、７・・・光検出器１．８・・・
ディスク、９・・・センサーチップ、１０・・・ホルダ
ー、１１・・・レーザ光導入口となる前面ガラス、１２
・・・反射防止膜。FIG. 1 is a diagram showing a basic optical system of an optical reproducing apparatus, and FIG. 2 is a diagram showing an embodiment of the present invention, in which FIG. A is a plan view and FIG. B is a side sectional view. 1... Semiconductor laser, 7... Photodetector 1.8...
Disc, 9...Sensor chip, 10...Holder, 11...Front glass serving as a laser beam introduction port, 12
...Anti-reflective film.
Claims (1)
体に照射することにより前記記録媒体に記録された情報
を読み出すようにした光学再生装置における光検出器に
おいて、前記記録媒体にて反射されたレーザ光が導かれ
るレーザ光導入口に反射防止膜を施したことを特徴とす
る光学再生装置の光検出器。In a photodetector in an optical reproducing device that reads information recorded on a recording medium by irradiating the recording medium with laser light emitted from a light source such as a semiconductor laser, the laser reflected by the recording medium A photodetector for an optical reproducing device, characterized in that an antireflection film is applied to a laser beam introduction port through which light is guided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020283U JPS59118131U (en) | 1983-01-26 | 1983-01-26 | Optical regenerator photodetector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1020283U JPS59118131U (en) | 1983-01-26 | 1983-01-26 | Optical regenerator photodetector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59118131U true JPS59118131U (en) | 1984-08-09 |
Family
ID=30141643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1020283U Pending JPS59118131U (en) | 1983-01-26 | 1983-01-26 | Optical regenerator photodetector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59118131U (en) |
-
1983
- 1983-01-26 JP JP1020283U patent/JPS59118131U/en active Pending
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