JPS5963824U - Optical information recording and reproducing device - Google Patents
Optical information recording and reproducing deviceInfo
- Publication number
- JPS5963824U JPS5963824U JP15798282U JP15798282U JPS5963824U JP S5963824 U JPS5963824 U JP S5963824U JP 15798282 U JP15798282 U JP 15798282U JP 15798282 U JP15798282 U JP 15798282U JP S5963824 U JPS5963824 U JP S5963824U
- Authority
- JP
- Japan
- Prior art keywords
- spot
- information recording
- optical information
- reproducing device
- recording spot
- 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.)
- Granted
Links
Landscapes
- Optical Recording Or Reproduction (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す上面断面図、第２図は
同実施例の側面一部断面図、第３図は同実施例の収納体
の支承部分を示す斜視図、第４図は同実施例の軸支部分
を示す斜視図、第５図は同実施例の光学系の説明図、第
６図は情報媒体上のスポットの状態を示す説明図である
。
８・・・情報媒体、１３ａ、１３ｂ・・・光源、１４・
・・ピット、１５・・・記録用スポット、１６・・・追
跡用スポット、１７ａ、 １７ｂ−・・光ビーム、２
３ａ。
２３ｂ−・・反射ビーム、２６ａ、２６ｂ、２８−・・
光検出素子、Ｔ・・・情報トラック。Fig. 1 is a top sectional view showing one embodiment of the present invention, Fig. 2 is a side partial sectional view of the same embodiment, Fig. 3 is a perspective view showing the support part of the storage body of the same embodiment, and Fig. 4 FIG. 5 is an explanatory diagram of the optical system of the embodiment, and FIG. 6 is an explanatory diagram showing the state of the spot on the information medium. 8... Information medium, 13a, 13b... Light source, 14.
...Pit, 15...Recording spot, 16...Tracking spot, 17a, 17b-...Light beam, 2
3a. 23b--Reflected beam, 26a, 26b, 28-...
Photodetection element, T...information track.
Claims (1)
を形成する記録用スポット１５と、この記録用スポット
１５と情報トラックＴ方向に並んで配され、かつ前記ピ
ット１４を照射する追跡用スポット１６となる各々の光
ビーム１７ａ。 １７ｂを発する２つの光源１３ａ、１３ｂを近接して設
け、前記記記録用スポット１５と追跡用スポット１６に
よって情報媒体８を照射した後の各々の反射ビーム’２
３ａ、２３ｂを二方向へ分岐させ、二方の反射ビーム２
３ａ、２３ｂを、近接して設けた２つの光検出素子２６
ａ、２６ｂ上へ各々分離集束させ、他方の反射ビーム２
３ａ、２３ｂを他の光検出素子２８へ分離せずに集束さ
せたことを特徴とする光学的情報記録及び再生装置。[Claims for Utility Model Registration] On the information medium 8, there are pits 14 constituting the information track T.
a recording spot 15 that forms a recording spot 15; and each light beam 17a that is arranged in line with this recording spot 15 in the direction of the information track T and serves as a tracking spot 16 that irradiates the pit 14. Two light sources 13a and 13b emitting light 17b are provided in close proximity, and each reflected beam '2 after irradiating the information medium 8 with the recording spot 15 and the tracking spot 16
3a and 23b are branched into two directions, and two reflected beams 2
3a and 23b are provided in close proximity to each other.
a and 26b, respectively, and the other reflected beam 2
3a and 23b are converged onto another photodetecting element 28 without being separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798282U JPS5963824U (en) | 1982-10-19 | 1982-10-19 | Optical information recording and reproducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15798282U JPS5963824U (en) | 1982-10-19 | 1982-10-19 | Optical information recording and reproducing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5963824U true JPS5963824U (en) | 1984-04-26 |
| JPS632999Y2 JPS632999Y2 (en) | 1988-01-25 |
Family
ID=30348151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15798282U Granted JPS5963824U (en) | 1982-10-19 | 1982-10-19 | Optical information recording and reproducing device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236750A (en) * | 1985-08-09 | 1987-02-17 | Pioneer Electronic Corp | Optical pickup device |
-
1982
- 1982-10-19 JP JP15798282U patent/JPS5963824U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6236750A (en) * | 1985-08-09 | 1987-02-17 | Pioneer Electronic Corp | Optical pickup device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS632999Y2 (en) | 1988-01-25 |
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