JPH0462516U - - Google Patents
Info
- Publication number
- JPH0462516U JPH0462516U JP10623490U JP10623490U JPH0462516U JP H0462516 U JPH0462516 U JP H0462516U JP 10623490 U JP10623490 U JP 10623490U JP 10623490 U JP10623490 U JP 10623490U JP H0462516 U JPH0462516 U JP H0462516U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- disk device
- optical
- erases
- erasing
- 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 8
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案による光デイスク装置の一実施
例を示す図、第２図は本考案による光デイスク装
置の光デイスク上でのレーザビームの配置図であ
る。
１……光デイスク、２……ランド（記録部）、
４……サイドビーム（交換前）、５……中心ビー
ム、６……仮想サイドビーム（交換後）、８……
光ピツクアツプ、９……３ビーム半導体レーザ、
１３，１４……光センサー。
FIG. 1 is a diagram showing an embodiment of an optical disk device according to the present invention, and FIG. 2 is a diagram showing the arrangement of laser beams on an optical disk of the optical disk device according to the present invention. 1... Optical disk, 2... Land (recording section),
4... Side beam (before replacement), 5... Center beam, 6... Virtual side beam (after replacement), 8...
Optical pickup, 9...3 beam semiconductor laser,
13,14...light sensor.
Claims (1)
り集光して光学式記録媒体に照射することにより
、データの記録・消去・再生を行う光デイスク装
置において、 レーザ光源としてマルチビーム半導体レーザを
用いることにより、予備の記録・消去・再生用ビ
ームを備えることを特徴とする光デイスク装置。[Claim for Utility Model Registration] In an optical disk device that records, erases, and reproduces data by condensing the beam emitted from a laser light source with an objective lens and irradiating it onto an optical recording medium, An optical disk device characterized in that it is equipped with a preliminary recording, erasing, and reproducing beam by using a beam semiconductor laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623490U JPH0462516U (en) | 1990-10-09 | 1990-10-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10623490U JPH0462516U (en) | 1990-10-09 | 1990-10-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0462516U true JPH0462516U (en) | 1992-05-28 |
Family
ID=31852241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10623490U Pending JPH0462516U (en) | 1990-10-09 | 1990-10-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0462516U (en) |
-
1990
- 1990-10-09 JP JP10623490U patent/JPH0462516U/ja active Pending
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