AR232053A1 - Portador de grabacion opticamente legible usado como un medio de almacenamiento de datos,aparato para fabricar tal portador de grabacion,aparato grabador de datos en tal portador de grabacion y aparato lector de tal portador de grabacion - Google Patents
Portador de grabacion opticamente legible usado como un medio de almacenamiento de datos,aparato para fabricar tal portador de grabacion,aparato grabador de datos en tal portador de grabacion y aparato lector de tal portador de grabacionInfo
- Publication number
- AR232053A1 AR232053A1 AR283842A AR28384280A AR232053A1 AR 232053 A1 AR232053 A1 AR 232053A1 AR 283842 A AR283842 A AR 283842A AR 28384280 A AR28384280 A AR 28384280A AR 232053 A1 AR232053 A1 AR 232053A1
- Authority
- AR
- Argentina
- Prior art keywords
- recording carrier
- recording
- data
- optionally
- manufacture
- 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
- G11B7/24073—Tracks
- G11B7/24082—Meandering
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
- G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
- G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
-
- 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
- G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8000121A NL8000121A (nl) | 1980-01-09 | 1980-01-09 | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
Publications (1)
Publication Number | Publication Date |
---|---|
AR232053A1 true AR232053A1 (es) | 1985-04-30 |
Family
ID=19834642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AR283842A AR232053A1 (es) | 1980-01-09 | 1980-12-30 | Portador de grabacion opticamente legible usado como un medio de almacenamiento de datos,aparato para fabricar tal portador de grabacion,aparato grabador de datos en tal portador de grabacion y aparato lector de tal portador de grabacion |
Country Status (23)
Country | Link |
---|---|
US (2) | US4972401A (es) |
JP (1) | JPS56105343A (es) |
AR (1) | AR232053A1 (es) |
AT (1) | AT369916B (es) |
AU (1) | AU542656B2 (es) |
BE (1) | BE886992A (es) |
BR (1) | BR8100042A (es) |
CA (1) | CA1157945A (es) |
CH (1) | CH675499A5 (es) |
DD (2) | DD160624A5 (es) |
DE (2) | DE3100421A1 (es) |
DK (1) | DK151420C (es) |
ES (1) | ES8201756A1 (es) |
FR (1) | FR2473769B1 (es) |
GB (1) | GB2069219B (es) |
HK (1) | HK47984A (es) |
IT (1) | IT1210972B (es) |
MX (1) | MX150987A (es) |
NL (1) | NL8000121A (es) |
NZ (1) | NZ195974A (es) |
SE (1) | SE447768B (es) |
SG (1) | SG10684G (es) |
ZA (1) | ZA807999B (es) |
Families Citing this family (109)
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JPH0721892B2 (ja) * | 1985-02-14 | 1995-03-08 | 日本電気株式会社 | 光磁気記録方法 |
JPH0721895B2 (ja) * | 1985-02-19 | 1995-03-08 | 日本電気株式会社 | 光磁気記録方法 |
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US3795902A (en) * | 1966-09-01 | 1974-03-05 | Battelle Development Corp | Method and apparatus for synchronizing photographic records of digital information |
US4025731A (en) * | 1971-04-20 | 1977-05-24 | Thomson-Csf | Optical record, and associated recording and reading-out devices |
US3789380A (en) * | 1972-02-18 | 1974-01-29 | Ibm | Digital recording at twice nyquist bandwidth |
US3946367A (en) * | 1972-12-20 | 1976-03-23 | Videonics Of Hawaii, Inc. | Three dimensional electro-optical retrieval system |
JPS5415727B2 (es) * | 1973-02-02 | 1979-06-16 | ||
US4027330A (en) * | 1973-03-27 | 1977-05-31 | Ted-Bildplatten Aktiengesellschaft, Aeg-Telefunken, Teldec | Disc recording |
US3891829A (en) * | 1973-08-29 | 1975-06-24 | Monarch Marking Systems Inc | Coded records, method of making same and method and an apparatus for reading coded records |
NL7314267A (nl) * | 1973-10-17 | 1975-04-21 | Philips Nv | Registratiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur. |
US3931460A (en) * | 1974-02-04 | 1976-01-06 | Zenith Radio Corporation | Video disc with multiturn undulating storage track |
NL7402012A (nl) * | 1974-02-14 | 1975-08-18 | Philips Nv | Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. |
NL7412634A (nl) * | 1974-09-25 | 1976-03-29 | Philips Nv | Registratiedrager voor een televisiesignaal. |
NL7413044A (nl) * | 1974-10-03 | 1976-04-06 | Philips Nv | Registratiedrager waarop een televisiesignaal is opgeslagen. |
JPS6011374B2 (ja) * | 1975-02-05 | 1985-03-25 | 株式会社日立製作所 | 情報再生方法及びその装置 |
DE2522405C2 (de) * | 1975-05-21 | 1982-04-15 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information |
US4094013A (en) * | 1975-05-22 | 1978-06-06 | U.S. Philips Corporation | Optical storage disk system with disk track guide sectors |
JPS5817969B2 (ja) * | 1975-06-30 | 1983-04-11 | 株式会社北辰電機製作所 | コウガクシンゴウキロクサイセイホウシキ |
DE2529478A1 (de) * | 1975-07-02 | 1977-01-27 | Ted Bildplatten | Verfahren und vorrichtung zum aufzeichnen von informationen mittels laser- oder dergleichen strahlen |
GB1577133A (en) * | 1976-03-19 | 1980-10-22 | Rca Corp | Video information record and playback apparatus |
GB1585546A (en) * | 1976-04-08 | 1981-03-04 | Victor Company Of Japan | Information signal recording system |
GB1570799A (en) * | 1977-01-28 | 1980-07-09 | Jacobs E | Binary coded digital optical record |
US4839882A (en) * | 1977-11-21 | 1989-06-13 | U. S. Philips Corporation | Record carrier with an optically readable trackwise-arranged information structure |
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
JPS583297B2 (ja) * | 1978-06-09 | 1983-01-20 | 株式会社日立製作所 | 情報記録再生方法,その装置およびその記録媒体 |
NL7811003A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie. |
US4229808A (en) * | 1978-12-21 | 1980-10-21 | Ncr Corporation | Method for recording multiple data segments on a storage disc with eccentricity factor |
JPS55113175A (en) * | 1979-02-23 | 1980-09-01 | Victor Co Of Japan Ltd | Information signal recording medium and its recording system |
US4290122A (en) * | 1979-05-14 | 1981-09-15 | Xerox Corporation | Self-synchronizing clock source for optical memories |
NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
NL8000123A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager. |
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-
1980
- 1980-01-09 NL NL8000121A patent/NL8000121A/nl not_active Application Discontinuation
- 1980-12-22 ZA ZA00807999A patent/ZA807999B/xx unknown
- 1980-12-30 AR AR283842A patent/AR232053A1/es active
-
1981
- 1981-01-05 SE SE8100021A patent/SE447768B/sv not_active IP Right Cessation
- 1981-01-05 GB GB8100124A patent/GB2069219B/en not_active Expired
- 1981-01-05 MX MX185466A patent/MX150987A/es unknown
- 1981-01-06 DD DD81226849A patent/DD160624A5/de unknown
- 1981-01-06 NZ NZ195974A patent/NZ195974A/en unknown
- 1981-01-06 BR BR8100042A patent/BR8100042A/pt not_active IP Right Cessation
- 1981-01-06 CH CH34/81A patent/CH675499A5/de not_active IP Right Cessation
- 1981-01-06 IT IT8119018A patent/IT1210972B/it active
- 1981-01-06 AU AU65993/81A patent/AU542656B2/en not_active Expired
- 1981-01-06 DK DK003481A patent/DK151420C/da not_active IP Right Cessation
- 1981-01-07 CA CA000368010A patent/CA1157945A/en not_active Expired
- 1981-01-07 FR FR8100148A patent/FR2473769B1/fr not_active Expired
- 1981-01-07 ES ES498344A patent/ES8201756A1/es not_active Expired
- 1981-01-07 BE BE0/203422A patent/BE886992A/fr not_active IP Right Cessation
- 1981-01-09 JP JP128381A patent/JPS56105343A/ja active Granted
- 1981-01-09 DE DE19813100421 patent/DE3100421A1/de active Granted
- 1981-01-09 AT AT0005881A patent/AT369916B/de not_active IP Right Cessation
- 1981-01-09 DE DE3153674A patent/DE3153674C2/de not_active Expired - Lifetime
-
1982
- 1982-11-11 DD DD82244789A patent/DD203789A5/de unknown
-
1984
- 1984-02-07 SG SG106/84A patent/SG10684G/en unknown
- 1984-06-07 HK HK479/84A patent/HK47984A/xx not_active IP Right Cessation
-
1989
- 1989-01-17 US US07/224,085 patent/US4972401A/en not_active Expired - Lifetime
- 1989-07-25 US US08/375,620 patent/US5682365A/en not_active Expired - Lifetime
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