HU9201917D0 - Disc-formed store for opto-readable binary information - Google Patents
Disc-formed store for opto-readable binary informationInfo
- Publication number
- HU9201917D0 HU9201917D0 HU9201917A HU9201917A HU9201917D0 HU 9201917 D0 HU9201917 D0 HU 9201917D0 HU 9201917 A HU9201917 A HU 9201917A HU 9201917 A HU9201917 A HU 9201917A HU 9201917 D0 HU9201917 D0 HU 9201917D0
- Authority
- HU
- Hungary
- Prior art keywords
- opto
- disc
- binary information
- readable binary
- formed store
- Prior art date
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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0938—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following servo format, e.g. guide tracks, pilot signals
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4121505A DE4121505A1 (de) | 1991-06-28 | 1991-06-28 | Plattenfoermiger speicher fuer binaere informationen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| HUT63509A HUT63509A (en) | 1993-08-30 |
| HU9201917D0 true HU9201917D0 (en) | 1993-08-30 |
Family
ID=6435031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HU9201917A HU9201917D0 (en) | 1991-06-28 | 1992-06-09 | Disc-formed store for opto-readable binary information |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0520251A3 (hu) |
| CS (1) | CS201892A3 (hu) |
| DE (1) | DE4121505A1 (hu) |
| HU (1) | HU9201917D0 (hu) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4311683C2 (de) * | 1993-04-08 | 1996-05-02 | Sonopress Prod | Plattenförmiger optischer Speicher und Verfahren zu dessen Herstellung |
| DE69505794T2 (de) * | 1994-02-15 | 1999-06-02 | Koninklijke Philips Electronics N.V., Eindhoven | Verfahren zur umwandlung von m-bit informationsworten in ein moduliertes signal, verfahren zum herstellen eines aufzeichungsträgers, kodier-, dekodier-, aufzeichnungs- und lesevorrichtung sowie aufzeichnungsträger |
| DE19948234A1 (de) * | 1999-10-07 | 2001-04-12 | Friedrich Hofmann | Verfahren zum Herstellen eines Glasmasters für einen scheibenförmigen optischen Speicher |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8100098A (nl) * | 1981-01-12 | 1982-08-02 | Philips Nv | Registratiedrager met optisch uitleesbare informatiestruktuur. |
| NL8103504A (nl) * | 1981-07-24 | 1983-02-16 | Philips Nv | Registratiedrager met een optisch uitleesbare informatiestructuur en inrichting voor het uitlezen daarvan. |
| JPS5873026A (ja) * | 1981-10-26 | 1983-05-02 | Nippon Telegr & Teleph Corp <Ntt> | 溝付光デイスク |
| JPS5911551A (ja) * | 1982-07-12 | 1984-01-21 | Toshiba Corp | 光学式情報記憶媒体 |
| EP0100995A3 (en) * | 1982-08-10 | 1985-10-16 | Kabushiki Kaisha Toshiba | Optical disk |
| JPS6151631A (ja) * | 1984-08-20 | 1986-03-14 | Sharp Corp | 光磁気メモリ素子 |
| JPS648514A (en) * | 1987-07-01 | 1989-01-12 | Canon Kk | Method and device for reproducing optical information and optical information recording medium |
| JPH01189039A (ja) * | 1988-01-22 | 1989-07-28 | Mitsubishi Electric Corp | 光学式情報記録担体 |
-
1991
- 1991-06-28 DE DE4121505A patent/DE4121505A1/de not_active Withdrawn
-
1992
- 1992-06-09 HU HU9201917A patent/HU9201917D0/hu unknown
- 1992-06-11 EP EP19920109867 patent/EP0520251A3/de not_active Withdrawn
- 1992-06-29 CS CS922018A patent/CS201892A3/cs unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS201892A3 (en) | 1993-01-13 |
| EP0520251A2 (de) | 1992-12-30 |
| EP0520251A3 (en) | 1993-04-21 |
| HUT63509A (en) | 1993-08-30 |
| DE4121505A1 (de) | 1993-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DFD9 | Temporary prot. cancelled due to non-payment of fee |