YU44214B - Apparatus for reading a record carrier with an optically readable structure - Google Patents

Apparatus for reading a record carrier with an optically readable structure

Info

Publication number
YU44214B
YU44214B YU2757/82A YU275782A YU44214B YU 44214 B YU44214 B YU 44214B YU 2757/82 A YU2757/82 A YU 2757/82A YU 275782 A YU275782 A YU 275782A YU 44214 B YU44214 B YU 44214B
Authority
YU
Yugoslavia
Prior art keywords
reading
record carrier
optically readable
readable structure
optically
Prior art date
Application number
YU2757/82A
Other languages
English (en)
Other versions
YU275782A (en
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 YU275782A publication Critical patent/YU275782A/xx
Publication of YU44214B publication Critical patent/YU44214B/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
    • G11B7/08—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
YU2757/82A 1978-04-03 1982-12-14 Apparatus for reading a record carrier with an optically readable structure YU44214B (en)

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
YU275782A YU275782A (en) 1985-12-31
YU44214B true YU44214B (en) 1990-04-30

Family

ID=19830587

Family Applications (2)

Application Number Title Priority Date Filing Date
YU773/79A YU43212B (en) 1978-04-03 1979-04-02 Record carrier with an optically readable structure
YU2757/82A YU44214B (en) 1978-04-03 1982-12-14 Apparatus for reading a record carrier with an optically readable structure

Family Applications Before (1)

Application Number Title Priority Date Filing Date
YU773/79A YU43212B (en) 1978-04-03 1979-04-02 Record carrier with an optically readable structure

Country Status (22)

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

Families Citing this family (35)

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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
EP0479577B1 (en) * 1990-10-03 1997-09-03 Canon Kabushiki Kaisha Optical recording medium and process for producing the same
GB2251514B (en) * 1990-10-23 1994-09-21 Asahi Optical Co Ltd Optical disk apparatus, and construction of optical disk
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
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
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
JP4772870B2 (ja) * 2006-07-27 2011-09-14 三菱電機株式会社 光ディスク媒体及び光ディスク装置
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 (xx) * 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
US4084185A (en) * 1974-02-12 1978-04-11 U.S. Philips Corporation Record carrier on which information is stored in an optically readable structure
NL7401858A (nl) * 1974-02-12 1975-08-14 Philips Nv Registratiedrager waarop informatie is aange- t in een optisch uitleesbare struktuur.
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
BR7902005A (pt) 1979-11-27
FR2422220A1 (fr) 1979-11-02
US5168490A (en) 1992-12-01
SE7902831L (sv) 1979-10-04
AU4552179A (en) 1979-10-18
NZ190047A (en) 1982-05-31
AT367227B (de) 1982-06-11
FR2422220B1 (fr) 1987-11-27
IT7921462A0 (it) 1979-03-30
NL7803517A (nl) 1979-10-05
AR225173A1 (es) 1982-02-26
ATA245679A (de) 1981-10-15
JPH0230092B2 (xx) 1990-07-04
ES479086A1 (es) 1979-11-16
PL134267B1 (en) 1985-08-31
DE2912216A1 (de) 1979-10-11
SE451788B (sv) 1987-10-26
JPS63146225A (ja) 1988-06-18
CA1137628A (en) 1982-12-14
GB2018489A (en) 1979-10-17
IT1112486B (it) 1986-01-13
DK149728C (da) 1987-07-13
YU275782A (en) 1985-12-31
JPS54136303A (en) 1979-10-23
PL214577A1 (pl) 1979-12-17
GB2018489B (en) 1982-11-17
MX145860A (es) 1982-04-07
DK149728B (da) 1986-09-15
JPS6319935B2 (xx) 1988-04-25
DK133279A (da) 1979-10-04
BE875275A (fr) 1979-10-02
AU527223B2 (en) 1983-02-24
YU43212B (en) 1989-06-30
DE2912216C2 (de) 1983-04-28
ZA791297B (en) 1980-10-29
NO791073L (no) 1979-10-04
AR226034A1 (es) 1982-05-31
YU77379A (en) 1983-04-30

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