NL7402012A - Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. - Google Patents

Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.

Info

Publication number
NL7402012A
NL7402012A NL7402012A NL7402012A NL7402012A NL 7402012 A NL7402012 A NL 7402012A NL 7402012 A NL7402012 A NL 7402012A NL 7402012 A NL7402012 A NL 7402012A NL 7402012 A NL7402012 A NL 7402012A
Authority
NL
Netherlands
Prior art keywords
information
optical readable
registration carrier
readable structure
registration
Prior art date
Application number
NL7402012A
Other languages
English (en)
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 NL7402012A priority Critical patent/NL7402012A/nl
Priority to US05/464,841 priority patent/US3999008A/en
Priority to AR257555A priority patent/AR206009A1/es
Priority to ZA00750132A priority patent/ZA75132B/xx
Priority to DE2503935A priority patent/DE2503935C2/de
Priority to CA219,520A priority patent/CA1047642A/en
Priority to BR795/75A priority patent/BR7500795A/pt
Priority to JP50016354A priority patent/JPS50125621A/ja
Priority to NO750439A priority patent/NO750439L/no
Priority to CH113277A priority patent/CH600477A5/xx
Priority to AT101175A priority patent/AT340489B/de
Priority to PL1975177949A priority patent/PL109359B1/pl
Priority to CH162375A priority patent/CH595673A5/xx
Priority to SE7501472A priority patent/SE7501472L/xx
Priority to DK49175AA priority patent/DK137875B/da
Priority to GB5743/75A priority patent/GB1508881A/en
Priority to IT20158/75A priority patent/IT1031646B/it
Priority to ES434652A priority patent/ES434652A1/es
Priority to BE153302A priority patent/BE825463A/xx
Priority to AU78213/75A priority patent/AU500000B2/en
Priority to FR7504676A priority patent/FR2261671B1/fr
Publication of NL7402012A publication Critical patent/NL7402012A/nl
Priority to US05/626,618 priority patent/US4038679A/en
Priority to ES453313A priority patent/ES453313A1/es

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
    • G11B7/007Arrangement 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
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 focusing only
    • 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0908Disposition 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 focusing only
    • G11B7/0917Focus-error methods other than those covered by G11B7/0909 - G11B7/0916
    • 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
    • G11B7/24082Meandering
NL7402012A 1974-02-14 1974-02-14 Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur. NL7402012A (nl)

Priority Applications (23)

Application Number Priority Date Filing Date Title
NL7402012A NL7402012A (nl) 1974-02-14 1974-02-14 Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.
US05/464,841 US3999008A (en) 1974-02-14 1974-04-29 Record carrier on which information is stored in an optically readable structure with dither focussing signals also being stored
AR257555A AR206009A1 (es) 1974-02-14 1975-01-01 Portador de grabacion sobre el cual esta almacenada informacion en una estructura opticamente legible
ZA00750132A ZA75132B (en) 1974-02-14 1975-01-07 Record carrier on which information is stored in an optically readable structure
DE2503935A DE2503935C2 (de) 1974-02-14 1975-01-31 Aufzeichnungsträger, auf dem Information in einer optisch auslesbaren Struktur angebracht ist und Vorrichtung zum Auslesen dieses Aufzeichnungsträgers
CA219,520A CA1047642A (en) 1974-02-14 1975-02-06 Record carrier on which information is stored in an optically readable structure
BR795/75A BR7500795A (pt) 1974-02-14 1975-02-07 Suporte de registro sobre o qual informacoes sao armazenadas numa estrutura oticamente legivel e um aparelho para efetuar sua leitura
JP50016354A JPS50125621A (nl) 1974-02-14 1975-02-10
PL1975177949A PL109359B1 (en) 1974-02-14 1975-02-11 Record carrier and apparatus for reading record carrier,where data is registered in optical readible structure
GB5743/75A GB1508881A (en) 1974-02-14 1975-02-11 Record carrier on which information is stored in an optically readable structure
AT101175A AT340489B (de) 1974-02-14 1975-02-11 Aufzeichnungstrager, auf dem informationen in einer optisch auslesbaren struktur gespeichert sind, und vorrichtung zum auslesen von auf einem solchen aufzeichnungstrager gespeicherten informationen
NO750439A NO750439L (nl) 1974-02-14 1975-02-11
CH162375A CH595673A5 (nl) 1974-02-14 1975-02-11
SE7501472A SE7501472L (nl) 1974-02-14 1975-02-11
DK49175AA DK137875B (da) 1974-02-14 1975-02-11 Registreringsbærer, hvorpå information er registreret i en optisk aflæselig struktur, samt apparat til aflæsning af en sådan registreringsbærer.
CH113277A CH600477A5 (nl) 1974-02-14 1975-02-11
IT20158/75A IT1031646B (it) 1974-02-14 1975-02-11 Dispositivo di registrazione atto ad immagazzinare per la sua lettura
ES434652A ES434652A1 (es) 1974-02-14 1975-02-12 Un dispositivo portador de registro perfeccionado.
BE153302A BE825463A (fr) 1974-02-14 1975-02-12 Porte-enregistrement sur lequel de l'information est enregistree dans une structure lisible par voie optique
AU78213/75A AU500000B2 (en) 1974-02-14 1975-02-14 Optically readable disc record
FR7504676A FR2261671B1 (nl) 1974-02-14 1975-02-14
US05/626,618 US4038679A (en) 1974-02-14 1975-10-29 Apparatus for reading an optically recorded record carrier provided with periodic surface undulations and for deriving a focussing control signal from such surface undulations
ES453313A ES453313A1 (es) 1974-02-14 1976-11-13 Un aparato para leer un portador de registro.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7402012A NL7402012A (nl) 1974-02-14 1974-02-14 Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.

Publications (1)

Publication Number Publication Date
NL7402012A true NL7402012A (nl) 1975-08-18

Family

ID=19820749

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402012A NL7402012A (nl) 1974-02-14 1974-02-14 Registratiedrager waarop informatie is aange- bracht in een optisch uitleesbare struktuur.

Country Status (20)

Country Link
US (1) US3999008A (nl)
JP (1) JPS50125621A (nl)
AR (1) AR206009A1 (nl)
AT (1) AT340489B (nl)
AU (1) AU500000B2 (nl)
BE (1) BE825463A (nl)
BR (1) BR7500795A (nl)
CA (1) CA1047642A (nl)
CH (2) CH600477A5 (nl)
DE (1) DE2503935C2 (nl)
DK (1) DK137875B (nl)
ES (2) ES434652A1 (nl)
FR (1) FR2261671B1 (nl)
GB (1) GB1508881A (nl)
IT (1) IT1031646B (nl)
NL (1) NL7402012A (nl)
NO (1) NO750439L (nl)
PL (1) PL109359B1 (nl)
SE (1) SE7501472L (nl)
ZA (1) ZA75132B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600378A (nl) * 1985-03-22 1986-10-16 Hitachi Ltd Werkwijze en inrichting voor de optische detectie van informatie.

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7600479A (nl) * 1976-01-19 1977-07-21 Philips Nv Automatisch optisch focusseersysteem.
NL7608561A (nl) * 1976-08-02 1978-02-06 Philips Nv Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur.
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.
US4189746A (en) * 1978-03-23 1980-02-19 Rca Corporation Method and apparatus for determining focus conditions
NL8000121A (nl) * 1980-01-09 1981-08-03 Philips Nv Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager.
JPS57186237A (en) * 1981-05-12 1982-11-16 Pioneer Video Corp Crosstalk eliminating device for recorded information reproducing device
US4402061A (en) * 1981-10-15 1983-08-30 Burroughs Corporation Preformatted optical media for use in an optical memory system
EP0169882A1 (en) * 1984-01-30 1986-02-05 Illuminated Data, Inc. Optical data storage and readout apparatus
JPS60234232A (ja) * 1984-05-07 1985-11-20 Matsushita Electric Ind Co Ltd 光デイスクおよびそのトラツキング方法
US5268564A (en) 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
US5289407A (en) * 1991-07-22 1994-02-22 Cornell Research Foundation, Inc. Method for three dimensional optical data storage and retrieval
US5251198A (en) * 1992-05-29 1993-10-05 Strickler James H Reading device for multi-layered optical information carrier
US5502576A (en) * 1992-08-24 1996-03-26 Ramsay International Corporation Method and apparatus for the transmission, storage, and retrieval of documents in an electronic domain
CN1041546C (zh) * 1994-05-16 1999-01-06 霍夫曼·霍夫曼·森德根·保利公司 斜盘机
US5995481A (en) * 1995-09-12 1999-11-30 Wea Manufacturing Inc. Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126535A (en) * 1961-12-27 1964-03-24 Transducer positioning system
US3371154A (en) * 1963-12-26 1968-02-27 Minnesota Mining & Mfg Audio-video disk recording system with crosstalk prevention
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
US3663764A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking circuit for transverse scan magnetic tape transport
NL172202C (nl) * 1971-03-11 1983-07-18 Philips Nv Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen.
DE2133130B2 (de) * 1971-07-03 1973-12-06 Ted Bildplatten Ag Aeg-Telefunkenteldec, Zug (Schweiz) System zur gleichzeitigen Wie dergabe zweier unabhängiger Signal verlaufe
US3829605A (en) * 1971-07-20 1974-08-13 Ted Bildplatten Carrier and method for recording a signal thereon
US3848095A (en) * 1972-12-20 1974-11-12 I O Metrics Corp Three dimensional electro-optical retrieval system
US3931460A (en) * 1974-02-04 1976-01-06 Zenith Radio Corporation Video disc with multiturn undulating storage track

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8600378A (nl) * 1985-03-22 1986-10-16 Hitachi Ltd Werkwijze en inrichting voor de optische detectie van informatie.

Also Published As

Publication number Publication date
ATA101175A (de) 1977-04-15
AU500000B2 (en) 1979-05-10
NO750439L (nl) 1975-08-15
CH595673A5 (nl) 1978-02-15
US3999008A (en) 1976-12-21
DK137875C (nl) 1978-10-23
JPS50125621A (nl) 1975-10-02
BR7500795A (pt) 1975-11-25
ES434652A1 (es) 1977-05-01
ES453313A1 (es) 1977-11-16
SE7501472L (nl) 1975-08-15
CA1047642A (en) 1979-01-30
DE2503935C2 (de) 1983-02-17
CH600477A5 (nl) 1978-06-15
DK137875B (da) 1978-05-22
DK49175A (nl) 1975-10-06
IT1031646B (it) 1979-05-10
AT340489B (de) 1977-12-12
GB1508881A (en) 1978-04-26
FR2261671A1 (nl) 1975-09-12
DE2503935A1 (de) 1975-08-28
FR2261671B1 (nl) 1978-02-03
AR206009A1 (es) 1976-06-23
ZA75132B (en) 1976-08-25
BE825463A (fr) 1975-08-12
PL109359B1 (en) 1980-05-31
AU7821375A (en) 1976-08-19

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Legal Events

Date Code Title Description
BC A request for examination has been filed
BI The patent application has been withdrawn