GB9616073D0 - High density compact disc - Google Patents
High density compact discInfo
- Publication number
- GB9616073D0 GB9616073D0 GBGB9616073.4A GB9616073A GB9616073D0 GB 9616073 D0 GB9616073 D0 GB 9616073D0 GB 9616073 A GB9616073 A GB 9616073A GB 9616073 D0 GB9616073 D0 GB 9616073D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- high density
- compact disc
- density compact
- disc
- density
- 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.)
- Withdrawn
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
- G11B7/24—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
-
- 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
- G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
-
- 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
- G11B7/24079—Width or depth
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9616073A GB2315907A (en) | 1996-07-31 | 1996-07-31 | High density compact disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9616073A GB2315907A (en) | 1996-07-31 | 1996-07-31 | High density compact disc |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9616073D0 true GB9616073D0 (en) | 1996-09-11 |
| GB2315907A GB2315907A (en) | 1998-02-11 |
Family
ID=10797792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9616073A Withdrawn GB2315907A (en) | 1996-07-31 | 1996-07-31 | High density compact disc |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2315907A (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8100098A (en) * | 1981-01-12 | 1982-08-02 | Philips Nv | RECORD CARRIER WITH OPTICALLY READABLE INFORMATION STRUCTURE. |
| JPH056590A (en) * | 1991-06-28 | 1993-01-14 | Toshiba Corp | Magneto-optical recorder |
| JPH05109119A (en) * | 1991-10-14 | 1993-04-30 | Sony Corp | Optical disk |
| JP2868682B2 (en) * | 1992-05-15 | 1999-03-10 | シャープ株式会社 | optical disk |
| US5508995A (en) * | 1993-07-15 | 1996-04-16 | Matsushita Electric Industrial Co., Ltd. | Optical disk capable of recording information on both groove and land tracks |
| US5414652A (en) * | 1993-08-27 | 1995-05-09 | Sharp Kabushiki Kaisha | Magneto-optical memory element |
| JPH07134838A (en) * | 1993-11-11 | 1995-05-23 | Matsushita Electric Ind Co Ltd | Optical information recording medium and recording method |
| JP2878574B2 (en) * | 1993-12-01 | 1999-04-05 | シャープ株式会社 | Optical disc and reproducing method thereof |
-
1996
- 1996-07-31 GB GB9616073A patent/GB2315907A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB2315907A (en) | 1998-02-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |