ATE103729T1 - Optisch lesbarer aufzeichnungstraeger vom beschreibbaren typ und optische leseanordnung zum lesen eines derartigen aufzeichnungstraegers. - Google Patents
Optisch lesbarer aufzeichnungstraeger vom beschreibbaren typ und optische leseanordnung zum lesen eines derartigen aufzeichnungstraegers.Info
- Publication number
- ATE103729T1 ATE103729T1 AT89200123T AT89200123T ATE103729T1 AT E103729 T1 ATE103729 T1 AT E103729T1 AT 89200123 T AT89200123 T AT 89200123T AT 89200123 T AT89200123 T AT 89200123T AT E103729 T1 ATE103729 T1 AT E103729T1
- Authority
- AT
- Austria
- Prior art keywords
- information
- record carrier
- read
- track
- recorded
- 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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8800170A NL8800170A (nl) | 1988-01-26 | 1988-01-26 | Optisch uitleesbare registratiedrager van het beschrijfbare type en optische uitleesinrichting voor het uitlezen van een dergelijke registratiedrager. |
EP89200123A EP0326215B1 (de) | 1988-01-26 | 1989-01-20 | Optisch lesbarer Aufzeichnungsträger vom beschreibbaren Typ und optische Leseanordnung zum Lesen eines derartigen Aufzeichnungsträgers |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE103729T1 true ATE103729T1 (de) | 1994-04-15 |
Family
ID=19851653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT89200123T ATE103729T1 (de) | 1988-01-26 | 1989-01-20 | Optisch lesbarer aufzeichnungstraeger vom beschreibbaren typ und optische leseanordnung zum lesen eines derartigen aufzeichnungstraegers. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4933923A (de) |
EP (1) | EP0326215B1 (de) |
JP (1) | JP2726470B2 (de) |
KR (1) | KR0136908B1 (de) |
AT (1) | ATE103729T1 (de) |
AU (1) | AU2868889A (de) |
BR (1) | BR8900271A (de) |
DD (1) | DD278889A5 (de) |
DE (1) | DE68914174T2 (de) |
ES (1) | ES2051982T3 (de) |
NL (1) | NL8800170A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219886A (en) * | 1988-06-15 | 1989-12-20 | Philips Nv | Recording and playback apparatus |
ES2080783T4 (es) * | 1989-05-08 | 2005-06-16 | Koninklijke Philips Electronics N.V. | Sistema para la grabacion de informacion, y dispositivo de grabacion y soporte de grabacion para uso en un sistema para la grabacion de informacion de este tipo. |
US5303217A (en) * | 1989-06-23 | 1994-04-12 | U.S. Philips Corporation | Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal |
US5430702A (en) * | 1994-02-16 | 1995-07-04 | International Business Machines Corporation | Calibration of readback threshold in an optical storage device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5960742A (ja) * | 1982-09-30 | 1984-04-06 | Fujitsu Ltd | 光デイスクの記録再生制御方法 |
JPS59198537A (ja) * | 1983-04-22 | 1984-11-10 | Matsushita Electric Ind Co Ltd | 光学的記録再生装置 |
FR2575857B1 (fr) * | 1984-11-29 | 1995-03-03 | Canon Kk | Appareil de stockage optique d'informations |
JPH0756708B2 (ja) * | 1985-04-19 | 1995-06-14 | 三洋電機株式会社 | 光磁気ディスクとその記録装置 |
JPS61260438A (ja) * | 1985-05-14 | 1986-11-18 | Canon Inc | 光学的情報記録媒体 |
JPS6216255A (ja) * | 1985-07-15 | 1987-01-24 | Toshiba Corp | 光学的情報記録媒体 |
JPH07111782B2 (ja) * | 1986-08-13 | 1995-11-29 | ソニー株式会社 | 光デイスクの記録再生装置 |
JPS63103471A (ja) * | 1986-10-20 | 1988-05-09 | Fujitsu General Ltd | コンパチブル光デイスク装置の光デイスク判別回路 |
-
1988
- 1988-01-26 NL NL8800170A patent/NL8800170A/nl not_active Application Discontinuation
- 1988-06-15 US US07/209,442 patent/US4933923A/en not_active Expired - Lifetime
-
1989
- 1989-01-20 ES ES89200123T patent/ES2051982T3/es not_active Expired - Lifetime
- 1989-01-20 EP EP89200123A patent/EP0326215B1/de not_active Expired - Lifetime
- 1989-01-20 DE DE68914174T patent/DE68914174T2/de not_active Expired - Fee Related
- 1989-01-20 AT AT89200123T patent/ATE103729T1/de not_active IP Right Cessation
- 1989-01-23 AU AU28688/89A patent/AU2868889A/en not_active Abandoned
- 1989-01-23 BR BR898900271A patent/BR8900271A/pt not_active IP Right Cessation
- 1989-01-23 DD DD89325190A patent/DD278889A5/de not_active IP Right Cessation
- 1989-01-23 KR KR1019890000680A patent/KR0136908B1/ko not_active IP Right Cessation
- 1989-01-25 JP JP1014239A patent/JP2726470B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4933923A (en) | 1990-06-12 |
EP0326215B1 (de) | 1994-03-30 |
BR8900271A (pt) | 1989-09-19 |
NL8800170A (nl) | 1989-08-16 |
DE68914174D1 (de) | 1994-05-05 |
AU2868889A (en) | 1989-07-27 |
JPH01227228A (ja) | 1989-09-11 |
DE68914174T2 (de) | 1994-09-22 |
DD278889A5 (de) | 1990-05-16 |
KR0136908B1 (ko) | 1998-05-15 |
KR890012274A (ko) | 1989-08-25 |
ES2051982T3 (es) | 1994-07-01 |
EP0326215A1 (de) | 1989-08-02 |
JP2726470B2 (ja) | 1998-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |