KR100696758B1 - 광기록재생기의 기록 방법 - Google Patents
광기록재생기의 기록 방법 Download PDFInfo
- Publication number
- KR100696758B1 KR100696758B1 KR1020010030544A KR20010030544A KR100696758B1 KR 100696758 B1 KR100696758 B1 KR 100696758B1 KR 1020010030544 A KR1020010030544 A KR 1020010030544A KR 20010030544 A KR20010030544 A KR 20010030544A KR 100696758 B1 KR100696758 B1 KR 100696758B1
- Authority
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- South Korea
- Prior art keywords
- read level
- level power
- recording
- 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.)
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- 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
- G11B7/1267—Power calibration
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
- G11B7/0045—Recording
- G11B7/00456—Recording strategies, e.g. pulse sequences
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- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (4)
- (a) 광기록재생기에 전원이 공급되면, 설정된 리드 레벨 파워를 확인하여 레이저 다이오드의 출력 특성을 파악하고, 각종 옵셋(offset)을 조정하는 단계와;(b) 디스크가 인입되고, 기록 명령이 수신되는 단계와;(c) 인입된 디스크에 대한 최적기록파워 설정(OPC:Optimum Power Control)을 수행하고, OPC를 위한 데이터 기록 시에 변화된 리드 레벨 파워를 측정하는 단계와;(d) 상기 단계 (a)에서 획득된 레이저 다이오드의 출력 특성과, 상기 단계 (c)에서 측정된 리드 레벨 파워를 비교하여, 리드 레벨 파워에 대한 보상량을 결정하는 단계; 및(e) 보상된 리드 레벨 파워를 이용하여, 인입된 디스크에 데이터 기록을 수행하는 단계를 포함하는 것을 특징으로 하는 광기록재생기의 기록 방법.
- 제 1항에 있어서,상기 단계 (d)에서 리드 레벨 파워에 대한 보상량이 결정되면, 보상된 리드 레벨 파워를 메모리에 저장하는 단계를 더 구비하는 것을 특징으로 하는 광기록재생기의 기록 방법.
- 제 2항에 있어서,상기 메모리는 EEPROM(Electrically Erasable Programmable Read-Only Memory)인 것을 특징으로 하는 광기록재생기의 기록 방법.
- 제 1항에 있어서,상기 단계 (a)에서 레이저 다이오드의 출력 특성을 파악함에 있어, 메모리에 저장되어 있는 보상된 리드 레벨 파워를 이용하는 것을 특징으로 하는 광기록재생기의 기록 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010030544A KR100696758B1 (ko) | 2001-05-31 | 2001-05-31 | 광기록재생기의 기록 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020010030544A KR100696758B1 (ko) | 2001-05-31 | 2001-05-31 | 광기록재생기의 기록 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020091676A KR20020091676A (ko) | 2002-12-06 |
| KR100696758B1 true KR100696758B1 (ko) | 2007-03-19 |
Family
ID=27707372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020010030544A Expired - Fee Related KR100696758B1 (ko) | 2001-05-31 | 2001-05-31 | 광기록재생기의 기록 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100696758B1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100446307B1 (ko) * | 2002-09-11 | 2004-09-01 | 삼성전자주식회사 | 광 기록기기의 자동 파워 캘리브레이션 장치 및 그 방법 |
| KR100925232B1 (ko) * | 2003-03-18 | 2009-11-06 | 주식회사 히타치엘지 데이터 스토리지 코리아 | 광디스크장치의 기록 광파워 조정방법 |
| KR200453420Y1 (ko) * | 2009-03-06 | 2011-05-02 | (주) 엠에스피 | 엘이디 시스템 조명등 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09120570A (ja) * | 1996-09-24 | 1997-05-06 | Fujitsu Ltd | レーザ制御方法 |
| JP2000030277A (ja) * | 1998-07-13 | 2000-01-28 | Yamaha Corp | 光ディスク記録パワー制御方法及び装置 |
| JP2000090437A (ja) * | 1998-09-16 | 2000-03-31 | Sony Corp | 記録パワー設定方法および光ディスク装置 |
| KR20000019682A (ko) * | 1998-09-12 | 2000-04-15 | 구자홍 | 광 기록재생기기의 광파워 조절방법 |
-
2001
- 2001-05-31 KR KR1020010030544A patent/KR100696758B1/ko not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09120570A (ja) * | 1996-09-24 | 1997-05-06 | Fujitsu Ltd | レーザ制御方法 |
| JP2000030277A (ja) * | 1998-07-13 | 2000-01-28 | Yamaha Corp | 光ディスク記録パワー制御方法及び装置 |
| KR20000019682A (ko) * | 1998-09-12 | 2000-04-15 | 구자홍 | 광 기록재생기기의 광파워 조절방법 |
| JP2000090437A (ja) * | 1998-09-16 | 2000-03-31 | Sony Corp | 記録パワー設定方法および光ディスク装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020091676A (ko) | 2002-12-06 |
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