KR20000056143A - 다층 광디스크 기록/재생 장치 및 방법 - Google Patents
다층 광디스크 기록/재생 장치 및 방법 Download PDFInfo
- Publication number
- KR20000056143A KR20000056143A KR1019990005202A KR19990005202A KR20000056143A KR 20000056143 A KR20000056143 A KR 20000056143A KR 1019990005202 A KR1019990005202 A KR 1019990005202A KR 19990005202 A KR19990005202 A KR 19990005202A KR 20000056143 A KR20000056143 A KR 20000056143A
- Authority
- KR
- South Korea
- Prior art keywords
- recording
- layer
- recording layer
- optical disc
- power
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
- G11B7/1263—Power control during transducing, e.g. by monitoring
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/127—Lasers; Multiple laser arrays
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Abstract
Description
Claims (2)
- 다층 디스크 기록/재생 장치에 있어서,광을 발생하는 광원을 적어도 하나 이상 구비하는 광픽업과,상기 다층 광디스크의 목표 기록층에 대응하는 상기 광원의 종류 및/또는 파워를 결정하고 광원을 구동하는 제어수단을 구비하는 것을 특징으로 하는 다층 광디스크 기록/재생 장치.
- 다층 광디스크 기록/재생 방법에 있어서,목표기록층에 대응하는 광원 및/또는 파워를 결정하는 제1 단계와,결정된 광원 및/또는 파워에 따라 광원을 제어하는 제2 단계를 포함하는 것을 특징으로 하는 다층 광디스크 기록/재생 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990005202A KR100580769B1 (ko) | 1999-02-13 | 1999-02-13 | 다층 광디스크 기록/재생 장치 및 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990005202A KR100580769B1 (ko) | 1999-02-13 | 1999-02-13 | 다층 광디스크 기록/재생 장치 및 방법 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060016107A Division KR100782182B1 (ko) | 2006-02-20 | 2006-02-20 | 다층 광디스크 기록/재생장치 및 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20000056143A true KR20000056143A (ko) | 2000-09-15 |
| KR100580769B1 KR100580769B1 (ko) | 2006-05-15 |
Family
ID=19574378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019990005202A Expired - Fee Related KR100580769B1 (ko) | 1999-02-13 | 1999-02-13 | 다층 광디스크 기록/재생 장치 및 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100580769B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100653494B1 (ko) * | 2005-06-09 | 2006-12-05 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 광디스크장치의 레이저파워 설정방법 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040156294A1 (en) | 2001-04-17 | 2004-08-12 | Katsuya Watanabe | Optical disc, information recording/reproducing method and information recording/reproducin apparatus using the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06187662A (ja) * | 1992-12-18 | 1994-07-08 | Hitachi Ltd | 光記録媒体 |
| KR19980039987A (ko) * | 1996-11-28 | 1998-08-17 | 배순훈 | 디지탈 비디오 디스크 플레이어의 레이저 파워 조절장치 |
| JP3720624B2 (ja) * | 1999-04-26 | 2005-11-30 | 株式会社リコー | 光ディスク記録再生装置と光ディスクの最適記録パワー値決定方法 |
| JP3720644B2 (ja) * | 1999-08-06 | 2005-11-30 | 株式会社リコー | 最適記録パワー値決定方法と最適記録パワー値決定装置 |
-
1999
- 1999-02-13 KR KR1019990005202A patent/KR100580769B1/ko not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100653494B1 (ko) * | 2005-06-09 | 2006-12-05 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 광디스크장치의 레이저파워 설정방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100580769B1 (ko) | 2006-05-15 |
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