CS201892A3 - Board memory for optically scanned binary information - Google Patents
Board memory for optically scanned binary informationInfo
- Publication number
- CS201892A3 CS201892A3 CS922018A CS201892A CS201892A3 CS 201892 A3 CS201892 A3 CS 201892A3 CS 922018 A CS922018 A CS 922018A CS 201892 A CS201892 A CS 201892A CS 201892 A3 CS201892 A3 CS 201892A3
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- binary information
- board memory
- optically scanned
- scanned binary
- optically
- 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 (1)
| Publication Number | Publication Date |
|---|---|
| CS201892A3 true CS201892A3 (en) | 1993-01-13 |
Family
ID=6435031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS922018A CS201892A3 (en) | 1991-06-28 | 1992-06-29 | Board memory for optically scanned binary information |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0520251A3 (cs) |
| CS (1) | CS201892A3 (cs) |
| DE (1) | DE4121505A1 (cs) |
| HU (1) | HUT63509A (cs) |
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 |
| CA2183355C (en) * | 1994-02-15 | 2006-05-30 | Kornelis Antonie Schouhamer Immink | Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, decoding device, recording device, reading device, signal, as well as a record carrier |
| 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/HUT63509A/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 |
|---|---|
| EP0520251A3 (en) | 1993-04-21 |
| HU9201917D0 (en) | 1993-08-30 |
| DE4121505A1 (de) | 1993-01-07 |
| HUT63509A (en) | 1993-08-30 |
| EP0520251A2 (de) | 1992-12-30 |
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