SE443888B - Uppteckningsberare pa vilken information er lagrad i en stralningsreflekterande informationsstruktur som er lesbar med ett optiskt stralknippe - Google Patents

Uppteckningsberare pa vilken information er lagrad i en stralningsreflekterande informationsstruktur som er lesbar med ett optiskt stralknippe

Info

Publication number
SE443888B
SE443888B SE7907437A SE7907437A SE443888B SE 443888 B SE443888 B SE 443888B SE 7907437 A SE7907437 A SE 7907437A SE 7907437 A SE7907437 A SE 7907437A SE 443888 B SE443888 B SE 443888B
Authority
SE
Sweden
Prior art keywords
information
record carrier
reading
inclination
angle
Prior art date
Application number
SE7907437A
Other languages
English (en)
Swedish (sv)
Other versions
SE7907437L (sv
Inventor
J G Dil
B A J Jacobs
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 SE7907437L publication Critical patent/SE7907437L/xx
Publication of SE443888B publication Critical patent/SE443888B/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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • 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
    • 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
    • G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Holo Graphy (AREA)
SE7907437A 1978-09-11 1979-09-07 Uppteckningsberare pa vilken information er lagrad i en stralningsreflekterande informationsstruktur som er lesbar med ett optiskt stralknippe SE443888B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7809227A NL7809227A (nl) 1978-09-11 1978-09-11 Registratiedrager met een optisch uitleesbare, stra- lingsreflekterende informatiestruktuur.

Publications (2)

Publication Number Publication Date
SE7907437L SE7907437L (sv) 1980-03-12
SE443888B true SE443888B (sv) 1986-03-10

Family

ID=19831518

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7907437A SE443888B (sv) 1978-09-11 1979-09-07 Uppteckningsberare pa vilken information er lagrad i en stralningsreflekterande informationsstruktur som er lesbar med ett optiskt stralknippe

Country Status (20)

Country Link
US (1) US4230915A (fr)
JP (1) JPS5542393A (fr)
AR (1) AR220770A1 (fr)
AT (1) AT365357B (fr)
AU (1) AU526148B2 (fr)
BE (1) BE878701A (fr)
BR (1) BR7905763A (fr)
CA (1) CA1134035A (fr)
CH (1) CH651693A5 (fr)
DE (1) DE2935789C2 (fr)
DK (1) DK375779A (fr)
ES (1) ES483998A1 (fr)
FR (1) FR2435781B1 (fr)
GB (1) GB2031214B (fr)
IT (1) IT1203307B (fr)
NL (1) NL7809227A (fr)
NO (1) NO792922L (fr)
NZ (1) NZ191504A (fr)
SE (1) SE443888B (fr)
ZA (1) ZA794396B (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7810462A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
CA1165871A (fr) * 1978-11-08 1984-04-17 Kornelis Bulthuis Support d'enregistrement optique
NL8100098A (nl) * 1981-01-12 1982-08-02 Philips Nv Registratiedrager met optisch uitleesbare informatiestruktuur.
US4359750A (en) * 1981-04-30 1982-11-16 Eastman Kodak Company Optical disc structure
JPS58221596A (ja) * 1982-06-17 1983-12-23 Matsushita Electric Ind Co Ltd スピ−カ用振動板
EP0100995A3 (en) * 1982-08-10 1985-10-16 Kabushiki Kaisha Toshiba Optical disk
JPS60131652A (ja) * 1983-12-20 1985-07-13 Matsushita Electric Ind Co Ltd 信号記録スタンパ−
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.
NL8500152A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van vooraf aangebrachte en optisch detekteerbare servospoorgedeelten en sektoradressen.
JPS6350933A (ja) * 1986-08-20 1988-03-03 Matsushita Electric Ind Co Ltd 平板状情報記録担体
JPS63107589A (ja) * 1986-10-23 1988-05-12 Nec Corp 光記録媒体
AU592930B2 (en) * 1987-02-12 1990-01-25 Dai Nippon Insatsu Kabushiki Kaisha Method for recording and reproducing data for an optical card
US5234633A (en) * 1987-12-28 1993-08-10 Canon Kabushiki Kaisha Cast molding die and process for producing information recording medium using the same
JPH01189039A (ja) * 1988-01-22 1989-07-28 Mitsubishi Electric Corp 光学式情報記録担体
JPH0253237A (ja) * 1988-08-16 1990-02-22 Ricoh Co Ltd 光学式情報記録媒体
DE68921453T2 (de) * 1988-12-28 1995-07-13 Canon Kk Informationsaufzeichnungsträger.
JPH03142717A (ja) * 1989-10-27 1991-06-18 Ricoh Co Ltd 光ディスク
DE4201211C2 (de) * 1992-01-18 2001-04-26 Leybold Ag Beschichtungsanlage
US6352612B1 (en) * 1998-05-19 2002-03-05 Steag Hamatech, Inc. System for forming bonded storage disks with low power light assembly
US6570840B1 (en) 2000-04-26 2003-05-27 Optical Disc Corporation Figure of merit in optical recording structures

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041530A (en) * 1971-03-04 1977-08-09 U.S. Philips Corporation Video disc with phase structure
NL7300724A (fr) * 1973-01-18 1973-11-26
NL165316C (nl) * 1973-10-01 1981-03-16 Mca Disco Vision Werkwijze voor de vervaardiging van een schrijfvormige video-afdrukmatrijs uitgaande van een moederschijf.
US3931459A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc
US4118734A (en) * 1974-02-14 1978-10-03 U.S. Philips Corporation Optical videodisc with variable width tracks
DE2410740B2 (de) * 1974-03-06 1977-03-24 Polygram Gmbh, 2000 Hamburg Verfahren zur herstellung eines aus thermoplastischem kunststoff bestehenden informationsspeichers hoher speicherdichte
FR2288370A1 (fr) * 1974-10-18 1976-05-14 Thomson Brandt Perfectionnements aux supports d'information a lecture optique
DE2524473A1 (de) * 1975-06-03 1976-12-23 Ted Bildplatten Verfahren und einrichtung zum aufzeichnen von signalen
FR2325987A1 (fr) * 1975-09-29 1977-04-22 Thomson Brandt Dispositif de lecture optique d'un enregistrement

Also Published As

Publication number Publication date
AR220770A1 (es) 1980-11-28
CA1134035A (fr) 1982-10-19
BE878701A (fr) 1980-03-10
SE7907437L (sv) 1980-03-12
NL7809227A (nl) 1980-03-13
NO792922L (no) 1980-03-12
ES483998A1 (es) 1980-04-01
FR2435781B1 (fr) 1985-07-12
AU5067779A (en) 1980-03-20
JPS5542393A (en) 1980-03-25
FR2435781A1 (fr) 1980-04-04
IT7968787A0 (it) 1979-09-07
ZA794396B (en) 1981-04-29
GB2031214B (en) 1983-03-02
JPS6319939B2 (fr) 1988-04-25
AU526148B2 (en) 1982-12-16
CH651693A5 (de) 1985-09-30
DE2935789C2 (de) 1986-03-27
AT365357B (de) 1982-01-11
GB2031214A (en) 1980-04-16
ATA598179A (de) 1981-05-15
BR7905763A (pt) 1980-05-20
US4230915A (en) 1980-10-28
NZ191504A (en) 1982-06-29
IT1203307B (it) 1989-02-15
DK375779A (da) 1980-03-12
DE2935789A1 (de) 1980-03-20

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