SE451788B - Uppteckningsberare med optiskt lesbar fasstruktur samt apparat for avlesning av uppteckningsberaren - Google Patents

Uppteckningsberare med optiskt lesbar fasstruktur samt apparat for avlesning av uppteckningsberaren

Info

Publication number
SE451788B
SE451788B SE7902831A SE7902831A SE451788B SE 451788 B SE451788 B SE 451788B SE 7902831 A SE7902831 A SE 7902831A SE 7902831 A SE7902831 A SE 7902831A SE 451788 B SE451788 B SE 451788B
Authority
SE
Sweden
Prior art keywords
information
areas
reading
phase depth
signal
Prior art date
Application number
SE7902831A
Other languages
English (en)
Swedish (sv)
Other versions
SE7902831L (sv
Inventor
J J M Braat
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 SE7902831L publication Critical patent/SE7902831L/
Publication of SE451788B publication Critical patent/SE451788B/sv

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
    • G11B7/08—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
    • G11B7/0901—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 for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
SE7902831A 1978-04-03 1979-03-30 Uppteckningsberare med optiskt lesbar fasstruktur samt apparat for avlesning av uppteckningsberaren SE451788B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7803517A NL7803517A (nl) 1978-04-03 1978-04-03 Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.

Publications (2)

Publication Number Publication Date
SE7902831L SE7902831L (sv) 1979-10-04
SE451788B true SE451788B (sv) 1987-10-26

Family

ID=19830587

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7902831A SE451788B (sv) 1978-04-03 1979-03-30 Uppteckningsberare med optiskt lesbar fasstruktur samt apparat for avlesning av uppteckningsberaren

Country Status (22)

Country Link
US (1) US5168490A (es)
JP (2) JPS54136303A (es)
AR (2) AR226034A1 (es)
AT (1) AT367227B (es)
AU (1) AU527223B2 (es)
BE (1) BE875275A (es)
BR (1) BR7902005A (es)
CA (1) CA1137628A (es)
DE (1) DE2912216C2 (es)
DK (1) DK149728C (es)
ES (1) ES479086A1 (es)
FR (1) FR2422220B1 (es)
GB (1) GB2018489B (es)
IT (1) IT1112486B (es)
MX (1) MX145860A (es)
NL (1) NL7803517A (es)
NO (1) NO791073L (es)
NZ (1) NZ190047A (es)
PL (1) PL134267B1 (es)
SE (1) SE451788B (es)
YU (2) YU43212B (es)
ZA (1) ZA791297B (es)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7906576A (nl) * 1979-09-03 1981-03-05 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor.
JPS5720928A (en) * 1980-07-09 1982-02-03 Toshiba Corp Optical disk reproduction system
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
NL8103505A (nl) * 1981-07-24 1983-02-16 Philips Nv Inrichting voor het puntsgewijs aftasten van een voorwerp.
NL8103504A (nl) * 1981-07-24 1983-02-16 Philips Nv Registratiedrager met een optisch uitleesbare informatiestructuur en inrichting voor het uitlezen daarvan.
JPS5832239A (ja) * 1981-08-21 1983-02-25 Hitachi Ltd 光ディスク及びトラッキング信号検出方法
JPS5862842A (ja) * 1981-10-09 1983-04-14 Matsushita Electric Ind Co Ltd 光学的記録用円盤
JPS58215735A (ja) * 1982-06-07 1983-12-15 Sony Corp 光学式デイスク記録方法
JPS5996546A (ja) * 1982-11-25 1984-06-04 Sony Corp 反射型光学記録体
JPS59198537A (ja) * 1983-04-22 1984-11-10 Matsushita Electric Ind Co Ltd 光学的記録再生装置
JPS6163930A (ja) * 1984-09-04 1986-04-02 Matsushita Electric Ind Co Ltd 円盤状記録担体及び円盤状記録担体のアドレス信号再生装置
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.
JPH0792916B2 (ja) * 1985-02-08 1995-10-09 松下電器産業株式会社 光学記録信号再生方法
NL8502802A (nl) * 1985-10-14 1987-05-04 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optische spoorvormige informatiestruktuur.
US5553051A (en) * 1987-09-04 1996-09-03 Hitachi, Ltd. Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same
DE69127525T2 (de) * 1990-10-03 1998-01-08 Canon Kk Optisches Aufzeichnungsmedium und Verfahren zur dessen Herstellung
DE4135011C2 (de) * 1990-10-23 1996-06-05 Asahi Optical Co Ltd Bildplattengerät
JPH0536128A (ja) * 1990-12-20 1993-02-12 Hitachi Ltd 高密度情報記録媒体及びそれを用いた記録装置
JPH04341932A (ja) * 1991-05-20 1992-11-27 Canon Inc 光学ヘッド
JPH04360041A (ja) * 1991-06-06 1992-12-14 Pioneer Electron Corp 光学式ディスク及びピックアップ装置
EP0596439A3 (en) * 1992-11-05 1995-02-08 Matsushita Electric Ind Co Ltd Method of manufacturing a mother disc usable for the production of optical discs.
US6060220A (en) * 1995-07-10 2000-05-09 The Board Of Trustees Of The Leland Stanford Junior University Method for producing an optical information carrier having a variable relief structure
US5946283A (en) * 1996-04-10 1999-08-31 Kabushiki Kaisha Toshiba Optical information recording medium and optical information reproducing device
US5825933A (en) * 1996-12-20 1998-10-20 Xerox Corporation Parallel propagating embedded binary sequence for parameterizing two dimensional image domain code patterns in two dimensional address space
US5986997A (en) * 1997-09-10 1999-11-16 Imation Corp. Updatable optical data storage disc having reduced crosstalk between tracks, and drive for same
JP4118999B2 (ja) * 1998-03-20 2008-07-16 株式会社東芝 光ディスク装置及び情報再生方法
JP2000149331A (ja) * 1998-11-02 2000-05-30 Sony Corp 光記録媒体、光記録媒体製造用原盤及び光記録再生装置
DE60042766D1 (de) * 1999-06-30 2009-09-24 Sharp Kk Optische Plattenvorrichtung zur Wiedergabe einer optischen Platte mit darin geformten Pits verschiedener Tiefe
JP2001291244A (ja) * 2000-04-04 2001-10-19 Sharp Corp 光記録媒体、光記録情報の再生方法並びに再生装置
US7626900B2 (en) * 2003-09-24 2009-12-01 Sony Corporation Optical pickup and disk drive apparatus
KR101039194B1 (ko) * 2006-07-27 2011-06-03 미쓰비시덴키 가부시키가이샤 광디스크 매체 및 광디스크 장치
RU2353982C2 (ru) * 2006-10-18 2009-04-27 ЗАО "Констеллейшн 3 Ди Восток" Комбинированный флуоресцентно-отражательный оптический носитель информации и устройство для его считывания
US8182966B2 (en) * 2008-12-23 2012-05-22 General Electric Company Data storage devices and methods
JP6600814B2 (ja) * 2015-03-23 2019-11-06 パナソニックＩｐマネジメント株式会社 記録装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3167747A (en) * 1959-08-21 1965-01-26 Gen Electric Trermoplastic film random access analog recording
US3379095A (en) * 1963-12-17 1968-04-23 Edward K. Kaprelian Method of and means for recording and reproducing sound
US3348217A (en) * 1964-05-01 1967-10-17 Alvin A Snaper Electro-optical computer or data processing system using superimposed polarizers
US3396266A (en) * 1964-05-25 1968-08-06 Ibm Optical information read-out system
US3503050A (en) * 1965-12-30 1970-03-24 Ibm Wave energy recording in radiation sensitive medium
US3624278A (en) * 1969-11-19 1971-11-30 Technical Operations Inc Area multiplex image recording by flying spot raster scanning employing spatial filtering
US3688025A (en) * 1970-10-27 1972-08-29 Rca Corp Recorder and playback apparatus for pulse width modulated record
US4041530A (en) * 1971-03-04 1977-08-09 U.S. Philips Corporation Video disc with phase structure
NL7103233A (es) * 1971-03-11 1972-09-13
US3855426A (en) * 1971-03-11 1974-12-17 Philips Corp Video disc recording and optical playback system therefor
US3703724A (en) * 1971-07-22 1972-11-21 Kms Ind Inc Recorder with zone plate scanner
US3931439A (en) * 1973-01-22 1976-01-06 Phillips Petroleum Company Modified asphalt hydraulic sealer
NL7315419A (nl) * 1973-11-10 1975-05-13 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
US3919465A (en) * 1974-01-14 1975-11-11 Zenith Radio Corp Optical system for directly detecting spatially recorded signals
NL7401858A (nl) * 1974-02-12 1975-08-14 Philips Nv Registratiedrager waarop informatie is aange- t in een optisch uitleesbare struktuur.
US4084185A (en) * 1974-02-12 1978-04-11 U.S. Philips Corporation Record carrier on which information is stored in an optically readable structure
FR2275841A1 (fr) * 1974-06-21 1976-01-16 Thomson Brandt Support d'information lisible optiquement par transmission et procede de fabrication dudit support
NL7412634A (nl) * 1974-09-25 1976-03-29 Philips Nv Registratiedrager voor een televisiesignaal.
US4057833A (en) * 1974-10-03 1977-11-08 U.S. Philips Corporation Centering detection system for an apparatus for playing optically readable record carriers
NL177157C (nl) * 1975-02-28 1985-08-01 Philips Nv Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestruktuur.
JPS5855567B2 (ja) * 1975-06-06 1983-12-10 株式会社日立製作所 ジヨウホウサイセイホウシキ
US4065786A (en) * 1975-09-30 1977-12-27 Rca Corporation Videodisc playback system
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
NL7810462A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
FR2481501B1 (fr) * 1980-04-25 1985-09-13 Philips Nv Porteur d'enregistrement comportant une structure d'information lisible par voie optique et dispositif pour la lecture d'un tel porteur d'enregistrement
US4385372A (en) * 1981-05-01 1983-05-24 Drexler Technology Corporation Reflective optical data storage and laser recording media having grooved dielectric encoded prerecorded information

Also Published As

Publication number Publication date
YU43212B (en) 1989-06-30
NO791073L (no) 1979-10-04
ZA791297B (en) 1980-10-29
DK149728C (da) 1987-07-13
JPS63146225A (ja) 1988-06-18
GB2018489B (en) 1982-11-17
YU77379A (en) 1983-04-30
AU527223B2 (en) 1983-02-24
NL7803517A (nl) 1979-10-05
YU275782A (en) 1985-12-31
DE2912216A1 (de) 1979-10-11
AR225173A1 (es) 1982-02-26
SE7902831L (sv) 1979-10-04
FR2422220B1 (fr) 1987-11-27
IT1112486B (it) 1986-01-13
BR7902005A (pt) 1979-11-27
JPS6319935B2 (es) 1988-04-25
CA1137628A (en) 1982-12-14
PL214577A1 (pl) 1979-12-17
ES479086A1 (es) 1979-11-16
US5168490A (en) 1992-12-01
DE2912216C2 (de) 1983-04-28
NZ190047A (en) 1982-05-31
GB2018489A (en) 1979-10-17
YU44214B (en) 1990-04-30
JPH0230092B2 (es) 1990-07-04
ATA245679A (de) 1981-10-15
IT7921462A0 (it) 1979-03-30
PL134267B1 (en) 1985-08-31
MX145860A (es) 1982-04-07
BE875275A (fr) 1979-10-02
DK149728B (da) 1986-09-15
AT367227B (de) 1982-06-11
AR226034A1 (es) 1982-05-31
AU4552179A (en) 1979-10-18
DK133279A (da) 1979-10-04
FR2422220A1 (fr) 1979-11-02
JPS54136303A (en) 1979-10-23

Similar Documents

Publication Publication Date Title
SE451788B (sv) Uppteckningsberare med optiskt lesbar fasstruktur samt apparat for avlesning av uppteckningsberaren
US4562564A (en) Process and optical device for generating signals controlling the position of a scanning spot of the tracks of a data carrier
US4057833A (en) Centering detection system for an apparatus for playing optically readable record carriers
US4455632A (en) Apparatus for optically reading a record carrier with two types of information areas
US4730295A (en) Apparatus for reading and/or recording a trackwise arranged optical information structure
US4006293A (en) Apparatus for reading a flat record carrier with an optically readable information structure
US3992574A (en) Opto-electronic system for determining a deviation between the actual position of a radiation-reflecting plane in an optical imaging system and the desired position of said plane
SE445960B (sv) Uppteckningsberare innehallande information i en optiskt lesbar informationsstruktur samt apparat for avlesning av uppteckningsberaren
GB2141266A (en) Apparatus for producing a tracking servo signal for use in an optical pick-up
JPH05197969A (ja) 光ディスク、光ディスク再生装置及び光ディスクの記録再生方法
EP0090420B1 (en) Device for optically recording and reading of information
US5467339A (en) Optical disc having information units comprising a plurality of separated pit pieces, and playback apparatus and recording and playback method therefor
JP2606492B2 (ja) 光学式記録再生装置
SE453543B (sv) Uppteckningsberare med en optiskt lesbar informationsstruktur och apparat for avlesning av uppteckningsberaren
US6788644B1 (en) Devuce and method for forming a focus error signal based on ohase difference between corresponding parts of detector signals
JP3022660B2 (ja) 光学式記録再生装置
JPH1139676A (ja) 光ディスク用センサシステム
KR100750093B1 (ko) 광픽업용 디포커스 에러신호 검출장치 및 방법 및 이를채용한 시크 방향 검출장치 및 방법
JPS6052936A (ja) ディスクレコ−ド再生装置のトラッキングエラ−信号生成回路
JPH067414B2 (ja) 光ディスク装置
KR900008379B1 (ko) 광학식 헤드장치
JP2001250247A (ja) 光ディスク装置
JPH04362538A (ja) 光学式再生装置
JPH06251397A (ja) 光ピックアップヘッド装置
JPS6163932A (ja) 光学式デイスク装置の焦点ずれ検出装置

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7902831-2

Effective date: 19921005

Format of ref document f/p: F