KR100489270B1 - 기록매체와그기록/재생장치 - Google Patents
기록매체와그기록/재생장치 Download PDFInfo
- Publication number
- KR100489270B1 KR100489270B1 KR1019970081827A KR19970081827A KR100489270B1 KR 100489270 B1 KR100489270 B1 KR 100489270B1 KR 1019970081827 A KR1019970081827 A KR 1019970081827A KR 19970081827 A KR19970081827 A KR 19970081827A KR 100489270 B1 KR100489270 B1 KR 100489270B1
- Authority
- KR
- South Korea
- Prior art keywords
- track
- recording
- recording medium
- information
- reproducing
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 239000012782 phase change material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 1
Images
Classifications
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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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24073—Tracks
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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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2403—Layers; Shape, structure or physical properties thereof
- G11B7/24035—Recording layers
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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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
- G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits
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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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B2007/00754—Track shape, e.g. address or synchronisation information in wobbled track or sidewall
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- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
Claims (8)
- 프리피트들에 의해 형성되어지고 롬(ROM) 영역으로 이용되는 제1 트랙과;상기 제1 트랙과 나란하게 형성됨과 아울러 기록 기능한 제2 트랙을 구비하는 것을 특징으로 하는 기록매체.
- 제 1 항에 있어서,상기 제1 및 제2 트랙이 동심원을 이루는 것을 특징으로 하는 기록매체.
- 제 1 항에 있어서,상기 제1 및 제2 트랙이 나선을 이루는 것을 특징으로 하는 기록매체.
- 제 1 항에 있어서,상기 기록층이 상 변화 물질로 된 것을 특징으로 하는 기록매체.
- 제 1 항에 있어서,상기 기록층이 광자기 물질로 된 것을 특징으로 하는 기록매체.
- 프리피트들에 의해 형성되어지고 롬(ROM) 영역으로 이용되는 제1 트랙과 상기 제1 트랙과 나란하게 형성됨과 아울러 기록 가능한 제2 트랙을 구비하는 기록매체에 정보를 기록하는 장치에 있어서,기록신호 처리수단의 출력신호에 따라 광빔을 제어하여 상기 제2 트랙만을 선택적으로 기록하는 것을 특징으로 하는 기록매체 기록장치.
- 프리피트들에 의해 형성되어지고 롬(ROM) 영역으로 이용되는 제1 트랙과 상기 제1 트랙과 나란하게 형성됨과 아울러 기록 가능한 제2 트랙을 구비하는 기록매체로부터 정보를 재생하는 장치에 있어서,상기 제1 및 제2 트랙들 각각에 광빔을 조사하기 위한 수단과;상기 제1 트랙에 의해 반사되는 광량으로부터 정보를 재생하는 제1 재생수단과;상기 제2 트랙에 의해 반사되는 광량으로부터 정보를 재생하는 제2 재생수단을 구비하고;상기 제1 및 제2 재생수단에 의해 상기 제1 트랙과 상기 제2 트랙의 정보가 동시에 재생 가능한 것을 특징으로 하는 기록매체 재생장치.
- 제 1 항에 있어서,상기 롬 영역으로 이용되는 상기 제1 트랙은 영상, 음성, 데이터 중 적어도 어느 하나를 포함한 정보가 기록되는 것을 특징으로 하는 기록매체.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081827A KR100489270B1 (ko) | 1997-12-31 | 1997-12-31 | 기록매체와그기록/재생장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019970081827A KR100489270B1 (ko) | 1997-12-31 | 1997-12-31 | 기록매체와그기록/재생장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19990061560A KR19990061560A (ko) | 1999-07-26 |
KR100489270B1 true KR100489270B1 (ko) | 2005-08-23 |
Family
ID=37304169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970081827A Expired - Fee Related KR100489270B1 (ko) | 1997-12-31 | 1997-12-31 | 기록매체와그기록/재생장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100489270B1 (ko) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01307020A (ja) * | 1988-06-03 | 1989-12-12 | Hitachi Ltd | 光ディスク装置 |
JPH09259439A (ja) * | 1996-03-19 | 1997-10-03 | Fujitsu Ltd | 光記録媒体及びトラックを計数する方法 |
-
1997
- 1997-12-31 KR KR1019970081827A patent/KR100489270B1/ko not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01307020A (ja) * | 1988-06-03 | 1989-12-12 | Hitachi Ltd | 光ディスク装置 |
JPH09259439A (ja) * | 1996-03-19 | 1997-10-03 | Fujitsu Ltd | 光記録媒体及びトラックを計数する方法 |
Also Published As
Publication number | Publication date |
---|---|
KR19990061560A (ko) | 1999-07-26 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19971231 |
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