NL192753C - Optische schijf met signaalsporen die met putten van verschillende diepte zijn gevormd. - Google Patents

Optische schijf met signaalsporen die met putten van verschillende diepte zijn gevormd. Download PDF

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Publication number
NL192753C
NL192753C NL8302026A NL8302026A NL192753C NL 192753 C NL192753 C NL 192753C NL 8302026 A NL8302026 A NL 8302026A NL 8302026 A NL8302026 A NL 8302026A NL 192753 C NL192753 C NL 192753C
Authority
NL
Netherlands
Prior art keywords
signal
pits
recording
laser light
values
Prior art date
Application number
NL8302026A
Other languages
English (en)
Dutch (nl)
Other versions
NL8302026A (nl
NL192753B (nl
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of NL8302026A publication Critical patent/NL8302026A/nl
Publication of NL192753B publication Critical patent/NL192753B/xx
Application granted granted Critical
Publication of NL192753C publication Critical patent/NL192753C/nl

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
    • G11B7/24088—Pits for storing more than two values, i.e. multi-valued recording for data or prepits
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • 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
    • G11B20/1496—Digital recording or reproducing using self-clocking codes characterised by the use of more than three levels
    • 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
    • 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
NL8302026A 1982-06-07 1983-06-07 Optische schijf met signaalsporen die met putten van verschillende diepte zijn gevormd. NL192753C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9715082 1982-06-07
JP57097150A JPS58215735A (ja) 1982-06-07 1982-06-07 光学式デイスク記録方法

Publications (3)

Publication Number Publication Date
NL8302026A NL8302026A (nl) 1984-01-02
NL192753B NL192753B (nl) 1997-09-01
NL192753C true NL192753C (nl) 1998-01-06

Family

ID=14184537

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8302026A NL192753C (nl) 1982-06-07 1983-06-07 Optische schijf met signaalsporen die met putten van verschillende diepte zijn gevormd.

Country Status (6)

Country Link
JP (1) JPS58215735A (ja)
CA (1) CA1212762A (ja)
DE (1) DE3320548C2 (ja)
FR (1) FR2528215B1 (ja)
GB (1) GB2122408B (ja)
NL (1) NL192753C (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59178628A (ja) * 1983-03-30 1984-10-09 Canon Inc 情報記録方法
GB8330101D0 (en) * 1983-11-11 1983-12-21 Combined Tech Corp Plc Optical data storage
JPS61104333A (ja) * 1984-10-22 1986-05-22 Nec Corp 光記録方式
JPS63119045A (ja) * 1986-11-06 1988-05-23 Canon Inc 多値情報記録方法
JP2601266B2 (ja) * 1987-02-09 1997-04-16 日本無機株式会社 記録材料の情報記録方法
JPS647327A (en) * 1987-03-25 1989-01-11 Casio Computer Co Ltd Method and apparatus for optical information recording
JP2642422B2 (ja) * 1988-06-30 1997-08-20 株式会社東芝 情報記録再生装置
US5408456A (en) * 1990-02-02 1995-04-18 Canon Kabushiki Kaisha Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal
JP2751884B2 (ja) * 1995-08-15 1998-05-18 日本電気株式会社 光ヘッド装置
US5854779A (en) * 1996-01-05 1998-12-29 Calimetrics Optical disc reader for reading multiple levels of pits on an optical disc
DE19732065A1 (de) * 1997-07-25 1999-01-28 Harm Drecoll Informationsspeicherung auf einem Speichermedium
US6760299B1 (en) 1999-06-30 2004-07-06 Sharp Kabushiki Kaisha Optical disc having pits of different depth formed therein, optical disc device for reproducing the same, and method of reproduction
JP2004281027A (ja) 2003-02-24 2004-10-07 Ricoh Co Ltd 光記録媒体及び光情報処理装置
JP4334414B2 (ja) 2004-05-31 2009-09-30 株式会社リコー 光再生方法、光ピックアップ装置、光再生装置、及び光記録媒体
DE102007030857A1 (de) * 2007-06-25 2009-01-15 Kickartz, Josef, A., Dipl.-Ing. Vorrichtung zur Speicherung von Daten auf einem Datenträger
JP5256161B2 (ja) 2009-10-02 2013-08-07 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置及び情報再生装置
JP5309008B2 (ja) 2009-12-15 2013-10-09 日立コンシューマエレクトロニクス株式会社 光情報記録再生装置および光情報再生装置
JP5409479B2 (ja) 2010-03-29 2014-02-05 日立コンシューマエレクトロニクス株式会社 光情報再生装置、光情報記録装置及び情報記録方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3740733A (en) * 1971-11-01 1973-06-19 Eg & G Inc Storing digital data on a grooved record medium
JPS5182601A (ja) * 1975-01-17 1976-07-20 Sony Corp
CA1106061A (en) * 1977-02-09 1981-07-28 Yoshiyo Wada Rotary recording medium with intermediate pits
NL7803517A (nl) * 1978-04-03 1979-10-05 Philips Nv Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.
JPS55113175A (en) * 1979-02-23 1980-09-01 Victor Co Of Japan Ltd Information signal recording medium and its recording system
NL8000122A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optisch uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen en/of weergeven van datainformatie in c.q. van zo'n registratiedrager.
JPS58137148A (ja) * 1982-02-08 1983-08-15 Sony Corp 情報記録媒体

Also Published As

Publication number Publication date
GB8315551D0 (en) 1983-07-13
FR2528215B1 (fr) 1987-03-06
CA1212762A (en) 1986-10-14
GB2122408A (en) 1984-01-11
DE3320548C2 (de) 1994-03-17
NL8302026A (nl) 1984-01-02
DE3320548A1 (de) 1983-12-08
NL192753B (nl) 1997-09-01
GB2122408B (en) 1986-01-02
JPS58215735A (ja) 1983-12-15
FR2528215A1 (fr) 1983-12-09

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 20030101