NL7902363A - Registratiedrager met een optisch uitleesbare informa- tiestruktuur. - Google Patents

Registratiedrager met een optisch uitleesbare informa- tiestruktuur. Download PDF

Info

Publication number
NL7902363A
NL7902363A NL7902363A NL7902363A NL7902363A NL 7902363 A NL7902363 A NL 7902363A NL 7902363 A NL7902363 A NL 7902363A NL 7902363 A NL7902363 A NL 7902363A NL 7902363 A NL7902363 A NL 7902363A
Authority
NL
Netherlands
Prior art keywords
track
tracks
information
record carrier
areas
Prior art date
Application number
NL7902363A
Other languages
English (en)
Dutch (nl)
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
Priority to NL7902363A priority Critical patent/NL7902363A/nl
Priority to US06/046,419 priority patent/US4499574A/en
Priority to CA000347978A priority patent/CA1164558A/en
Priority to AU56719/80A priority patent/AU535939B2/en
Priority to DE19803011176 priority patent/DE3011176A1/de
Priority to GB8009859A priority patent/GB2045997B/en
Priority to SE8002228A priority patent/SE8002228L/
Priority to IT67451/80A priority patent/IT1128073B/it
Priority to AT0159880A priority patent/AT368311B/de
Priority to BE0/199945A priority patent/BE882425A/fr
Priority to ES489885A priority patent/ES8100519A1/es
Priority to JP3701580A priority patent/JPS55132538A/ja
Priority to FR8006749A priority patent/FR2452759A1/fr
Publication of NL7902363A publication Critical patent/NL7902363A/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
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
NL7902363A 1979-03-27 1979-03-27 Registratiedrager met een optisch uitleesbare informa- tiestruktuur. NL7902363A (nl)

Priority Applications (13)

Application Number Priority Date Filing Date Title
NL7902363A NL7902363A (nl) 1979-03-27 1979-03-27 Registratiedrager met een optisch uitleesbare informa- tiestruktuur.
US06/046,419 US4499574A (en) 1979-03-27 1979-06-07 Record carrier with an optically readable information structure
CA000347978A CA1164558A (en) 1979-03-27 1980-03-19 Record carrier with an optically readable information structure
AU56719/80A AU535939B2 (en) 1979-03-27 1980-03-21 Optically readable record carrier
DE19803011176 DE3011176A1 (de) 1979-03-27 1980-03-22 Aufzeichnungstraeger mit einer optisch auslesbaren informationsstruktur
GB8009859A GB2045997B (en) 1979-03-27 1980-03-24 Optically readable record carrier
SE8002228A SE8002228L (sv) 1979-03-27 1980-03-24 Uppteckningsberare med en optiskt lesbar informationsstruktur
IT67451/80A IT1128073B (it) 1979-03-27 1980-03-24 Sopporto di registrazione di informauione del tipo a lettura ottica
AT0159880A AT368311B (de) 1979-03-27 1980-03-25 Aufzeichnungstraeger mit einer optisch auslesbaren informationsstruktur
BE0/199945A BE882425A (fr) 1979-03-27 1980-03-25 Porteur d'enregistrement presentant une structure d'information lisible par voie optique
ES489885A ES8100519A1 (es) 1979-03-27 1980-03-25 Un dispositivo de registro con una estructura de informacion opticamente legible
JP3701580A JPS55132538A (en) 1979-03-27 1980-03-25 Recording medium having optical reading information structure
FR8006749A FR2452759A1 (fr) 1979-03-27 1980-03-26 Porteur d'enregistrement presentant une structure d'information lisible par voie optique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7902363 1979-03-27
NL7902363A NL7902363A (nl) 1979-03-27 1979-03-27 Registratiedrager met een optisch uitleesbare informa- tiestruktuur.

Publications (1)

Publication Number Publication Date
NL7902363A true NL7902363A (nl) 1980-09-30

Family

ID=19832872

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7902363A NL7902363A (nl) 1979-03-27 1979-03-27 Registratiedrager met een optisch uitleesbare informa- tiestruktuur.

Country Status (13)

Country Link
US (1) US4499574A ( )
JP (1) JPS55132538A ( )
AT (1) AT368311B ( )
AU (1) AU535939B2 ( )
BE (1) BE882425A ( )
CA (1) CA1164558A ( )
DE (1) DE3011176A1 ( )
ES (1) ES8100519A1 ( )
FR (1) FR2452759A1 ( )
GB (1) GB2045997B ( )
IT (1) IT1128073B ( )
NL (1) NL7902363A ( )
SE (1) SE8002228L ( )

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0054438B1 (en) * 1980-12-17 1985-11-06 Matsushita Electric Industrial Co., Ltd. Optical disk having an index mark
DE3277512D1 (en) * 1981-12-01 1987-11-26 Matsushita Electric Ind Co Ltd Optical recording and reproducing disc
JPS5919250A (ja) * 1982-07-21 1984-01-31 Hitachi Ltd 情報の記録再生装置
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.
NL8500152A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van vooraf aangebrachte en optisch detekteerbare servospoorgedeelten en sektoradressen.
SE447313B (sv) * 1985-03-19 1986-11-03 Ericsson Telefon Ab L M Databerare i form av ett foretredesvis rektangulert kort med ett cirkulert omrade for tet optisk registrering av data
JPS6410463A (en) * 1987-07-01 1989-01-13 Sony Corp Magnetic disk
JPS648514A (en) * 1987-07-01 1989-01-12 Canon Kk Method and device for reproducing optical information and optical information recording medium
JPS6474411A (en) * 1987-09-16 1989-03-20 Yamaha Corp Position detector
JPH0253237A (ja) * 1988-08-16 1990-02-22 Ricoh Co Ltd 光学式情報記録媒体
US5229901A (en) * 1991-06-28 1993-07-20 Digital Equipment Corporation Side-by-side read/write heads with rotary positioner
US5452285A (en) * 1993-09-30 1995-09-19 Polaroid Corporation Uniformly distributed servo data for optical information storage medium
JP2003248168A (ja) * 2001-12-21 2003-09-05 Konica Corp 光ピックアップ装置、および光学素子

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7212015A ( ) * 1972-09-04 1974-03-06
NL172111C (nl) * 1973-07-02 1983-07-01 Philips Nv Registratiedrager waarop informatie is vastgelegd in een optische struktuur en inrichting voor het inschrijven van een dergelijke registratiedrager.
US4118734A (en) * 1974-02-14 1978-10-03 U.S. Philips Corporation Optical videodisc with variable width tracks
FR2330108A1 (fr) * 1975-10-31 1977-05-27 Hitachi Ltd Appareil de restitution d'informations
JPS5369006A (en) * 1976-11-30 1978-06-20 Sony Corp Reproducer of disc form signal recording media
US4157460A (en) * 1977-09-22 1979-06-05 Cbs Inc. Apparatus for cutting audio disks
NL187413C (nl) * 1978-03-16 1991-09-16 Philips Nv Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager.

Also Published As

Publication number Publication date
FR2452759B1 ( ) 1983-03-25
JPS55132538A (en) 1980-10-15
GB2045997A (en) 1980-11-05
ATA159880A (de) 1982-01-15
DE3011176C2 ( ) 1989-06-15
GB2045997B (en) 1982-12-01
IT8067451A0 (it) 1980-03-24
CA1164558A (en) 1984-03-27
AU5671980A (en) 1980-10-02
AT368311B (de) 1982-10-11
ES489885A0 (es) 1980-11-01
ES8100519A1 (es) 1980-11-01
JPH0356037B2 ( ) 1991-08-27
BE882425A (fr) 1980-09-25
US4499574A (en) 1985-02-12
FR2452759A1 (fr) 1980-10-24
AU535939B2 (en) 1984-04-12
IT1128073B (it) 1986-05-28
DE3011176A1 (de) 1980-10-09
SE8002228L (sv) 1980-09-28

Similar Documents

Publication Publication Date Title
US4310916A (en) Optical record carrier and apparatus for reading it
US4423502A (en) Record carrier having an optically readable information structure
AU622449B2 (en) Method of optically scanning an information plane and optical record carriers and scanning apparatuses suitable for use of said method
US4325135A (en) Optical record carrier and apparatus for reading it
JP2655066B2 (ja) 超解像光ヘッド装置
NL8601876A (nl) Inrichting voor het aftasten van een optische registratiedrager.
NL8502802A (nl) Inrichting voor het uitlezen en/of inschrijven van een optische spoorvormige informatiestruktuur.
NL7902363A (nl) Registratiedrager met een optisch uitleesbare informa- tiestruktuur.
NL7810462A (nl) Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
NL7810463A (nl) Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur.
JPS5885944A (ja) 記録キヤリヤ読取装置
US5068751A (en) Three element grating objective and grating-beam shaper, and optical scanning device
JPS60263341A (ja) 光学ヘツド
US3956582A (en) Apparatus for reading a record carrier on which information is recorded in at least one track
US4242579A (en) Apparatus for the pointwise scanning of an information surface
US4633457A (en) Optical information reading apparatus
KR100600297B1 (ko) 트랙 피치가 상이한 광디스크용 광픽업 장치
JPS6319944Y2 ( )
WO1999010881A1 (en) Reading method and apparatus for a three-dimensional information carrier
JP2655747B2 (ja) 光ピックアップ
JP2765402B2 (ja) 光ヘッド装置
JP2002298424A (ja) 光ピックアップ装置
JP2655049B2 (ja) 光ヘッド装置
JPS62270034A (ja) 光学式再生装置
JPH06203406A (ja) 高密度記録デ−タを読みとり可能な光学ヘッド装置

Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed