FR2439521A1 - Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique - Google Patents

Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique

Info

Publication number
FR2439521A1
FR2439521A1 FR7924156A FR7924156A FR2439521A1 FR 2439521 A1 FR2439521 A1 FR 2439521A1 FR 7924156 A FR7924156 A FR 7924156A FR 7924156 A FR7924156 A FR 7924156A FR 2439521 A1 FR2439521 A1 FR 2439521A1
Authority
FR
France
Prior art keywords
information
radiation
areas
reflecting
information storage
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7924156A
Other languages
English (en)
Other versions
FR2439521B1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2439521A1 publication Critical patent/FR2439521A1/fr
Application granted granted Critical
Publication of FR2439521B1 publication Critical patent/FR2439521B1/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073Tracks
    • G11B7/24076Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24073Tracks
    • G11B7/24079Width or depth

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PORTEUR D'ENREGISTREMENT A STRUCTURE D'INFORMATION REFLECHISSANT LE RAYONNEMENT ET A LIRE PAR VOIE OPTIQUE, CONSTITUE PAR DES DOMAINES D'INFORMATION RANGES SUIVANT DES PISTES D'INFORMATION ET ESPACES PAR DES DOMAINES INTERMEDIAIRES, LES DOMAINES D'INFORMATION PRESENTANT DES PAROIS INCLINEES. UN SIGNAL D'INFORMATION ET UN SIGNAL DE DEFAUT DE POSITION S'OBTIENNENT DE FACON EFFICACE LORSQUE L'ANGLE DE PENTE DES PAROIS DES DOMAINES D'INFORMATION SE SITUE ENTRE65 ET85 ET LA PROFONDEUR DE PHASE DES DOMAINES D'INFORMATION ENTRE95 ET140. APPLICATION : DISQUE OPTIQUE CONTENANT UN PROGRAMME VIDEO.
FR7924156A 1978-10-19 1979-09-28 Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique Expired FR2439521B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7810462A NL7810462A (nl) 1978-10-19 1978-10-19 Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur

Publications (2)

Publication Number Publication Date
FR2439521A1 true FR2439521A1 (fr) 1980-05-16
FR2439521B1 FR2439521B1 (fr) 1985-09-27

Family

ID=19831738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924156A Expired FR2439521B1 (fr) 1978-10-19 1979-09-28 Porteur d'enregistrement a stockage de l'information dans une structure reflechissant le rayonnement et lisible par voie optique

Country Status (18)

Country Link
US (1) US4209804A (fr)
JP (1) JPS5555448A (fr)
AR (1) AR220232A1 (fr)
AT (1) AT365359B (fr)
AU (1) AU530555B2 (fr)
BE (1) BE879462A (fr)
CA (1) CA1152644A (fr)
CH (1) CH651148A5 (fr)
DE (1) DE2941946A1 (fr)
DK (1) DK149275C (fr)
ES (1) ES485091A1 (fr)
FR (1) FR2439521B1 (fr)
GB (1) GB2036408B (fr)
IT (1) IT1123874B (fr)
MX (1) MX146593A (fr)
NL (1) NL7810462A (fr)
SE (1) SE443889B (fr)
ZA (1) ZA795249B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439522A1 (fr) * 1978-10-19 1980-05-16 Philips Nv Porteur d'enregistrement a stockage des informations dans une structure d'information lisible par voie optique
FR2497990A1 (fr) * 1981-01-12 1982-07-16 Philips Nv Porteur d'information presentant une structure d'information lisible par voie optique

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7803517A (nl) * 1978-04-03 1979-10-05 Philips Nv Registratiedrager met een optisch uitleesbare fase- struktuur en inrichting voor het uitlezen.
CA1165871A (fr) * 1978-11-08 1984-04-17 Kornelis Bulthuis Support d'enregistrement optique
NL7906576A (nl) * 1979-09-03 1981-03-05 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor.
US4353077A (en) * 1979-09-10 1982-10-05 News Log International, Inc. Optical floppy disc data storage and retrieval techniques
NL7907180A (nl) * 1979-09-27 1981-03-31 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan.
JPS56117341A (en) * 1980-02-18 1981-09-14 Toshiba Corp Optical disk and its manufacture
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
JPS5760543A (en) * 1980-09-29 1982-04-12 Fujitsu Ltd Recording medium for energy beam
US4692913A (en) * 1980-11-26 1987-09-08 News Log International, Inc. Method and apparatus for reading a data record carrier
US4680456A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation Data system employing wallet-size optical card
US4810868A (en) * 1985-08-06 1989-03-07 Drexler Technology Corporation Frasable optical wallet-size data card
US4500777A (en) * 1981-02-27 1985-02-19 Drexler Technology Corporation High data capacity, scratch and dust resistant, infrared, read-write data card for automatic teller machines
US4542288A (en) * 1981-02-27 1985-09-17 Drexler Technology Corporation Method for making a laser recordable wallet-size plastic card
US4680460A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation System and method for making recordable wallet-size optical card
US5241165A (en) * 1981-02-27 1993-08-31 Drexler Technology Corporation Erasable optical wallet-size data card
AU549957B2 (en) * 1981-02-27 1986-02-20 Drexler Technology Corporation Banking card for automatic teller machines and the like
US4683371A (en) * 1981-02-27 1987-07-28 Drexler Technology Corporation Dual stripe optical data card
US4360728A (en) * 1981-02-27 1982-11-23 Drexler Technology Corporation Banking card for automatic teller machines and the like
US4680458A (en) * 1981-02-27 1987-07-14 Drexler Technology Corporation Laser recording and storage medium
US4609812A (en) * 1981-02-27 1986-09-02 Drexler Technology Corporation Prerecorded dual strip data storage card
JPS57158047A (en) * 1981-03-24 1982-09-29 Toshiba Corp Optical information recording medium
US4523304A (en) * 1981-04-17 1985-06-11 Matsushita Electric Industrial Co., Ltd. Optical data recording and reproducing apparatus
NL8103504A (nl) * 1981-07-24 1983-02-16 Philips Nv Registratiedrager met een optisch uitleesbare informatiestructuur en inrichting voor het uitlezen daarvan.
JPS5862842A (ja) * 1981-10-09 1983-04-14 Matsushita Electric Ind Co Ltd 光学的記録用円盤
FR2546310B1 (fr) * 1983-05-20 1986-04-25 Thomson Csf Monture reglable pour miroir pivotant et tete optique d'enregistrement-lecture utilisant une telle monture
JPS60131652A (ja) * 1983-12-20 1985-07-13 Matsushita Electric Ind Co Ltd 信号記録スタンパ−
US4656346A (en) * 1984-11-21 1987-04-07 Drexler Technology Corporation System for optically reading and annotating text on a data card
US4748609A (en) * 1985-03-29 1988-05-31 Hitachi, Ltd. Method and apparatus for composite tracking servo system with track offset correction and rotary optical disc having at least one correction mark for correcting track offset
US4707816A (en) * 1985-03-29 1987-11-17 Hitachi, Ltd. Method and apparatus for composite wobbled and push-pull tracking servo system
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
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
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
US4879707A (en) * 1985-07-30 1989-11-07 Laser Magnetic Storage International Company Optical disk tracking and seeking systems specific track formats using discontinuities
NL8502802A (nl) * 1985-10-14 1987-05-04 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optische spoorvormige informatiestruktuur.
US4937810A (en) * 1986-04-23 1990-06-26 Drexler Technology Corporation Optical recording tape with continuous prerecorded tracks
US4864552A (en) * 1986-08-29 1989-09-05 Laser Magnetic Storage International Company Driving signal for coarse servo employing sampled offset signal
JPS63225945A (ja) * 1987-03-16 1988-09-20 Hitachi Ltd 光磁気デイスク
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
US5026510A (en) * 1988-03-17 1991-06-25 Canon Kabushiki Kaisha Mold for cast molding substrate having preformat with information pits and method of using same
JP2532598B2 (ja) * 1988-08-03 1996-09-11 シャープ株式会社 光メモリ素子の製造方法及びその装置
DE68921453T2 (de) * 1988-12-28 1995-07-13 Canon Kk Informationsaufzeichnungsträger.
US5149951A (en) * 1990-03-05 1992-09-22 Minnesota Mining & Manufacturing Company, A Corporation Of Delaware Apparatus and method for presenting a data card for data transfer with centrifugal flyweight
US6570840B1 (en) 2000-04-26 2003-05-27 Optical Disc Corporation Figure of merit in optical recording structures
US20040076110A1 (en) * 2000-06-22 2004-04-22 Yasumori Hino Optical disk medium, optical disk device, and master production method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931459A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc
DE2410740B2 (de) * 1974-03-06 1977-03-24 Polygram Gmbh, 2000 Hamburg Verfahren zur herstellung eines aus thermoplastischem kunststoff bestehenden informationsspeichers hoher speicherdichte
NL7413044A (nl) * 1974-10-03 1976-04-06 Philips Nv Registratiedrager waarop een televisiesignaal is opgeslagen.
US4094013A (en) * 1975-05-22 1978-06-06 U.S. Philips Corporation Optical storage disk system with disk track guide sectors
US4161752A (en) * 1977-06-28 1979-07-17 International Business Machines Corporation High density video disk having two pit depths
NL7809227A (nl) * 1978-09-11 1980-03-13 Philips Nv Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2439522A1 (fr) * 1978-10-19 1980-05-16 Philips Nv Porteur d'enregistrement a stockage des informations dans une structure d'information lisible par voie optique
FR2497990A1 (fr) * 1981-01-12 1982-07-16 Philips Nv Porteur d'information presentant une structure d'information lisible par voie optique

Also Published As

Publication number Publication date
AU530555B2 (en) 1983-07-21
DE2941946A1 (de) 1980-04-30
SE443889B (sv) 1986-03-10
DE2941946C2 (fr) 1988-05-26
AU5182679A (en) 1980-04-24
MX146593A (es) 1982-07-13
ATA682879A (de) 1981-05-15
ES485091A1 (es) 1980-05-16
FR2439521B1 (fr) 1985-09-27
GB2036408B (en) 1983-05-11
JPS5555448A (en) 1980-04-23
GB2036408A (en) 1980-06-25
DK149275C (da) 1986-09-22
BE879462A (fr) 1980-04-17
NL7810462A (nl) 1980-04-22
JPS6319940B2 (fr) 1988-04-25
IT1123874B (it) 1986-04-30
SE7908541L (sv) 1980-04-20
CA1152644A (fr) 1983-08-23
CH651148A5 (de) 1985-08-30
IT7926540A0 (it) 1979-10-16
DK436779A (da) 1980-04-20
US4209804A (en) 1980-06-24
AT365359B (de) 1982-01-11
AR220232A1 (es) 1980-10-15
DK149275B (da) 1986-04-14
ZA795249B (en) 1981-05-27

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Legal Events

Date Code Title Description
ST Notification of lapse