JPH01133383U - - Google Patents
Info
- Publication number
- JPH01133383U JPH01133383U JP2654388U JP2654388U JPH01133383U JP H01133383 U JPH01133383 U JP H01133383U JP 2654388 U JP2654388 U JP 2654388U JP 2654388 U JP2654388 U JP 2654388U JP H01133383 U JPH01133383 U JP H01133383U
- Authority
- JP
- Japan
- Prior art keywords
- light beam
- reflected
- disk surface
- photodetector
- guided
- 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 9
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
図は本考案の光デイスクプレーヤの模型図であ
る。
主な図番の説明、１…光ピツクアツプ、２ａ，
２ｂ…第１及び第２光学システム、４ａ，４ｂ…
レーザ、５ａ，５ｂ…対物レンズ、８ａ，８ｂ…
ハーフミラー、９ａ，９ｂ…光検出器、１０…反
射ミラー。
The figure is a model diagram of the optical disc player of the present invention. Explanation of main drawing numbers, 1...light pick-up, 2a,
2b...first and second optical systems, 4a, 4b...
Laser, 5a, 5b...Objective lens, 8a, 8b...
Half mirror, 9a, 9b...photodetector, 10...reflection mirror.
Claims (1)
記録されているデイスク面に集束させる対物レン
ズと、前記デイスク面から反射された反射ビーム
を光検出器に向けて案内する光ビーム案内装置と
を有する第１及び第２光学システムを備え、前記
第１及び第２光学システムの前記各対物レンズを
上下に対向して装着された夫々のデイスク面に対
向して設けたことを特徴とする光デイスクプレー
ヤ。 (2) 請求項(1)において、第１及び第２光学シス
テムは夫々光ビームを放射させるレーザと、前記
光ビームを対物レンズに案内すると共にデイスク
面から反射された反射ビームを案内するハーフミ
ラーと、前記案内された反射ビームを光検出器に
導びく共通の反射ミラーとよりなる光デイスクプ
レーヤ。 (3) 請求項(2)において、共通の反射ミラーを９
０度回動させ、第１及び第２光学システムのいず
れからのハーフミラーで案内される反射ビームを
共通の光検出器に導びくことを特徴とする光デイ
スクプレーヤ。[Claims for Utility Model Registration] (1) An objective lens that focuses a light beam emitted by a laser onto a disk surface on which data is recorded, and a beam that is reflected from the disk surface and directs it toward a photodetector. first and second optical systems each having a light beam guide device for guiding the light beam, and each of the objective lenses of the first and second optical systems is provided opposite to a respective disk surface mounted vertically opposite to each other. An optical disc player characterized by: (2) In claim (1), the first and second optical systems each include a laser that emits a light beam, and a half mirror that guides the light beam to the objective lens and guides the reflected beam reflected from the disk surface. and a common reflecting mirror that directs the guided reflected beam to a photodetector. (3) In claim (2), the common reflecting mirror is 9
An optical disc player characterized in that the optical disc player is rotated by 0 degrees and a reflected beam guided by a half mirror from either the first or second optical system is guided to a common photodetector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2654388U JPH01133383U (en) | 1988-02-29 | 1988-02-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2654388U JPH01133383U (en) | 1988-02-29 | 1988-02-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01133383U true JPH01133383U (en) | 1989-09-11 |
Family
ID=31248266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2654388U Pending JPH01133383U (en) | 1988-02-29 | 1988-02-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01133383U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289247A (en) * | 1985-10-16 | 1987-04-23 | Oki Electric Ind Co Ltd | Optical disk memory device |
-
1988
- 1988-02-29 JP JP2654388U patent/JPH01133383U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6289247A (en) * | 1985-10-16 | 1987-04-23 | Oki Electric Ind Co Ltd | Optical disk memory device |
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