ZA807713B - Apparatus for writing digital information in a disc-shapedoptically readable record carrier - Google Patents

Apparatus for writing digital information in a disc-shapedoptically readable record carrier

Info

Publication number
ZA807713B
ZA807713B ZA00807713A ZA807713A ZA807713B ZA 807713 B ZA807713 B ZA 807713B ZA 00807713 A ZA00807713 A ZA 00807713A ZA 807713 A ZA807713 A ZA 807713A ZA 807713 B ZA807713 B ZA 807713B
Authority
ZA
South Africa
Prior art keywords
shapedoptically
disc
digital information
record carrier
readable record
Prior art date
Application number
ZA00807713A
Other languages
English (en)
Inventor
Haan M De
M Carasso
Original Assignee
Philips Nv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of ZA807713B publication Critical patent/ZA807713B/xx

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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)
ZA00807713A 1980-01-09 1980-12-09 Apparatus for writing digital information in a disc-shapedoptically readable record carrier ZA807713B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8000123A NL8000123A (nl) 1980-01-09 1980-01-09 Inrichting voor het schrijven van digitale informatie in een schijfvormige optisch uitleesbare registratiedrager.

Publications (1)

Publication Number Publication Date
ZA807713B true ZA807713B (en) 1982-07-28

Family

ID=19834644

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00807713A ZA807713B (en) 1980-01-09 1980-12-09 Apparatus for writing digital information in a disc-shapedoptically readable record carrier

Country Status (14)

Country Link
US (1) US4366564A (es)
EP (1) EP0032271B1 (es)
JP (1) JPS56101652A (es)
AR (1) AR246004A1 (es)
AT (1) AT370899B (es)
AU (1) AU539048B2 (es)
BR (1) BR8100044A (es)
CA (1) CA1181172A (es)
DD (1) DD157376A5 (es)
DE (1) DE3065218D1 (es)
DK (1) DK3381A (es)
ES (1) ES498339A0 (es)
NL (1) NL8000123A (es)
ZA (1) ZA807713B (es)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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NL8103117A (nl) * 1981-06-29 1983-01-17 Philips Nv Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
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.
NL8003476A (nl) * 1980-06-16 1982-01-18 Philips Nv Werkwijze voor het coderen van databits op een regis- tratiedrager, inrichting voor het uitvoeren van de werkwijze, registratiedrager voorzien van een infor- matiestructuur en inrichting voor het decoderen van het van de registratiedrager uitgelezen signaal.
NL8102621A (nl) * 1981-05-29 1982-12-16 Philips Nv Inrichting voor het beschrijven en/of uitlezen van een registratiedrager.
NL8103505A (nl) * 1981-07-24 1983-02-16 Philips Nv Inrichting voor het puntsgewijs aftasten van een voorwerp.
FR2511537B1 (fr) * 1981-08-14 1986-09-05 Thomson Csf Dispositif optique de suivi de piste a echantillonnage
US4428069A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Apparatus for preformatting an optical disk
US4428075A (en) * 1981-12-21 1984-01-24 Burroughs Corporation Methods of preformatting an optical disk
FR2523347B1 (fr) * 1982-03-12 1988-11-04 Thomson Csf Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support
FR2523345A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif de generation de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information
FR2523349A1 (fr) * 1982-03-12 1983-09-16 Thomson Csf Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information
JPS58158039A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光ディスクの記録再生装置
USRE32937E (en) * 1982-03-19 1989-05-30 Magnetic Peripherals, Inc. Modulation system for optical recording
WO1984003583A1 (en) * 1983-03-07 1984-09-13 Storage Technology Partners System for sensing the rotational position of a rotating disk having coarse seek tracks
JPS613325A (ja) * 1984-06-15 1986-01-09 Matsushita Electric Ind Co Ltd 光デイスク記録再生装置
US4740941A (en) * 1984-07-06 1988-04-26 Storage Technology Partners 11 System for aligning sector marks with data in a disk storage system
NL8500153A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur.
JP2888484B2 (ja) * 1985-07-30 1999-05-10 オプテイカル ストレツジ インターナシヨナル−ユーエス 記録キャリア及び光データ読み書き装置
US4879708A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using wobbled pits
US4959823A (en) * 1985-07-30 1990-09-25 Laser Magnetic Storage International Company Tracking and seeking system for use with an optical record carrier having a wobbled track format
US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
JPH0721865B2 (ja) * 1986-08-29 1995-03-08 パイオニア株式会社 光学式記録情報読取装置
US5339301A (en) * 1986-10-06 1994-08-16 U.S. Philips Corporation Optically readable record carrier for recording information, method and apparatus for manufacturing such, apparatus for recording and reading information on a such a record carrier
NL8602504A (nl) * 1986-10-06 1988-05-02 Philips Nv Optisch uitleesbare registratiedrager voor het optekenen van informatie, een inrichting voor het vervaardigen van een dergelijke registratiedrager, een inrichting voor het optekenen van informatie op een dergelijke registratiedrager, alsmede een inrichting voor het uitlezen van op een dergelijke registratiedrager opgetekende informatie.
US5031166A (en) * 1988-01-25 1991-07-09 Laser Magnetic Storage International Company Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
JP2614482B2 (ja) * 1988-03-11 1997-05-28 三洋電機株式会社 光学式デイスクプレーヤの信号再生回路
JPH02192074A (ja) * 1989-01-19 1990-07-27 Sanyo Electric Co Ltd 高域ノイズ軽減回路
JPH02220278A (ja) * 1989-02-20 1990-09-03 Pioneer Electron Corp ディスク演奏装置におけるスライダー制御装置
JP2589814B2 (ja) * 1989-07-19 1997-03-12 松下電器産業株式会社 クロック抽出装置およびトラッキング誤差信号採取装置
US5297125A (en) * 1989-08-25 1994-03-22 Sony Corporation Optical recording medium and information recording apparatus for recording bursts of low-pass filtered reproduce-only information in a wobbling pre-groove on the optical recording medium
AU637816B2 (en) * 1989-08-25 1993-06-10 Sony Corporation Optical recording medium, method for recording information and method for reproducing information
JP2953710B2 (ja) * 1989-08-25 1999-09-27 ソニー株式会社 記録装置及び記録方法
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
US5241525A (en) * 1991-10-01 1993-08-31 Xerox Corporation Digital optical disc encoder system
JP3260151B2 (ja) * 1991-10-31 2002-02-25 パイオニア株式会社 ウォブル信号読取装置及びウォブル信号読取方法
JP2738355B2 (ja) * 1995-08-09 1998-04-08 株式会社日立製作所 光学的情報記録再生方法
JP2800728B2 (ja) * 1995-08-09 1998-09-21 株式会社日立製作所 情報記録装置及び光学的情報記録媒体製造装置
US6046968A (en) * 1997-07-24 2000-04-04 Hewlett-Packard Company Re-writable optical disk having reference clock information permanently formed on the disk
US7701836B2 (en) * 2001-11-27 2010-04-20 Hewlett-Packard Development Company, L.P. Re-writable optical disk having reference clock information permanently formed on the disk
JP3097653B2 (ja) 1998-04-17 2000-10-10 日本電気株式会社 半導体装置用パッケージおよびその製造方法
AU766051B2 (en) * 1999-01-25 2003-10-09 Koninklijke Philips Electronics N.V. Record carrier and apparatus for scanning the record carrier
DE10217678A1 (de) * 2002-04-19 2003-11-06 Fraunhofer Ges Forschung Laser-Materialbearbeitung mit hybriden Prozessen
CA2520062A1 (en) * 2003-03-24 2004-10-07 Koninklijke Philips Electronics N.V. Multilayer optical disc having wobble pits
FR3033220B1 (fr) * 2015-02-27 2017-03-10 Commissariat Energie Atomique Recepteur d'horloge de liaison optique

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789380A (en) * 1972-02-18 1974-01-29 Ibm Digital recording at twice nyquist bandwidth
NL7212015A (es) * 1972-09-04 1974-03-06
CA995811A (en) * 1973-04-03 1976-08-24 Battelle Development Corporation Method and apparatus for synchronizing photographic records of digital information
US3988532A (en) * 1975-04-02 1976-10-26 Zenith Radio Corporation Arrangement for compensating duty factor variations in an optical video disc
US3988531A (en) * 1975-04-02 1976-10-26 Zenith Radio Corporation System for compensating for incorrect duty factor when reading out information stored in a video disc
US4074085A (en) * 1976-03-31 1978-02-14 Eli S. Jacobs Multiple beam optical record playback apparatus for simultaneous scan of plural data tracks
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.

Also Published As

Publication number Publication date
ATA5781A (de) 1982-09-15
AU6599081A (en) 1981-07-16
US4366564A (en) 1982-12-28
DE3065218D1 (en) 1983-11-10
ES8201338A1 (es) 1981-12-01
BR8100044A (pt) 1981-07-21
AT370899B (de) 1983-05-10
EP0032271B1 (en) 1983-10-05
ES498339A0 (es) 1981-12-01
CA1181172A (en) 1985-01-15
JPS56101652A (en) 1981-08-14
AR246004A1 (es) 1994-03-30
DD157376A5 (de) 1982-11-03
NL8000123A (nl) 1981-08-03
EP0032271A1 (en) 1981-07-22
AU539048B2 (en) 1984-09-06
DK3381A (da) 1981-07-10

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