JPS6040034U - Optical information recording or reproducing device - Google Patents
Optical information recording or reproducing deviceInfo
- Publication number
- JPS6040034U JPS6040034U JP13167883U JP13167883U JPS6040034U JP S6040034 U JPS6040034 U JP S6040034U JP 13167883 U JP13167883 U JP 13167883U JP 13167883 U JP13167883 U JP 13167883U JP S6040034 U JPS6040034 U JP S6040034U
- Authority
- JP
- Japan
- Prior art keywords
- beam splitter
- information recording
- optical information
- reproducing device
- 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
- 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図は従来の光学式情報記録又は再生装置を示す配置
図、第２図及び第３図はその説明に供する波形図、第４
図は本考案による光学式情報記録又は再生装置の一実施
例の要部を示す配置図である。
１は駆動部、２は固定部、３は対物レンズ、４はビーム
スプリッタ、５はホルダ、６は↓波長板、７は光検出器
、８はレーザ光源である。FIG. 1 is a layout diagram showing a conventional optical information recording or reproducing device, FIGS. 2 and 3 are waveform diagrams for explaining the device, and FIG.
The figure is a layout diagram showing essential parts of an embodiment of an optical information recording or reproducing apparatus according to the present invention. 1 is a driving section, 2 is a fixed section, 3 is an objective lens, 4 is a beam splitter, 5 is a holder, 6 is a wavelength plate, 7 is a photodetector, and 8 is a laser light source.
Claims (1)
、該ビームスプリッタの取付けられたホルダ及び上記ビ
ームスプリッタに対向する如く上記ホルダに取付けられ
た光検出器とが一体的に駆動可能とされた駆動部と、該
駆動部にビームを供給する光源とを有する光学式情報記
録又は再生装置に於いて、上記ビームスプリッタに対し
上記光検出器と反対側の上記ホルダの内面に光吸収層を
設けると共に、上記ビームスプリッタに対し上記対物レ
ンズと反対側の上記ホルダの面に、上記ビームスプリッ
タに人出するビームが最小限通過し得る開口を設けて成
る光学式情報記録又は再生装置。a driving unit capable of integrally driving an objective lens, a beam splitter facing the objective lens, a holder to which the beam splitter is attached, and a photodetector attached to the holder to face the beam splitter; In an optical information recording or reproducing device having a light source that supplies a beam to the driving section, a light absorption layer is provided on the inner surface of the holder opposite to the photodetector with respect to the beam splitter; An optical information recording or reproducing device comprising: providing an aperture on a surface of the holder opposite to the objective lens with respect to the beam splitter through which a minimum amount of the beam exiting the beam splitter can pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13167883U JPS6040034U (en) | 1983-08-25 | 1983-08-25 | Optical information recording or reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13167883U JPS6040034U (en) | 1983-08-25 | 1983-08-25 | Optical information recording or reproducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6040034U true JPS6040034U (en) | 1985-03-20 |
Family
ID=30297617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13167883U Pending JPS6040034U (en) | 1983-08-25 | 1983-08-25 | Optical information recording or reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6040034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014160125A (en) * | 2013-02-19 | 2014-09-04 | Ricoh Co Ltd | Optical scanner and image forming apparatus |
| JP2019028367A (en) * | 2017-08-02 | 2019-02-21 | 日本電気株式会社 | Optical element and manufacturing method therefor |
-
1983
- 1983-08-25 JP JP13167883U patent/JPS6040034U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014160125A (en) * | 2013-02-19 | 2014-09-04 | Ricoh Co Ltd | Optical scanner and image forming apparatus |
| JP2019028367A (en) * | 2017-08-02 | 2019-02-21 | 日本電気株式会社 | Optical element and manufacturing method therefor |
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