NL7102863A - - Google Patents

Info

Publication number
NL7102863A
NL7102863A NL7102863A NL7102863A NL7102863A NL 7102863 A NL7102863 A NL 7102863A NL 7102863 A NL7102863 A NL 7102863A NL 7102863 A NL7102863 A NL 7102863A NL 7102863 A NL7102863 A NL 7102863A
Authority
NL
Netherlands
Application number
NL7102863A
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 filed Critical
Priority to NL7102863A priority Critical patent/NL7102863A/xx
Priority to ZA721137A priority patent/ZA721137B/xx
Priority to DE19722208379 priority patent/DE2208379C3/de
Priority to AU39454/72A priority patent/AU470672B2/en
Priority to JP2068372A priority patent/JPS544603B1/ja
Priority to IT67654/72A priority patent/IT952884B/it
Priority to CH509273A priority patent/CH552920A/xx
Priority to GB948772A priority patent/GB1391541A/en
Priority to NO646/72A priority patent/NO139905C/no
Priority to CH298372A priority patent/CH553522A/xx
Priority to BR1206/72*[A priority patent/BR7201206D0/pt
Priority to AT166672A priority patent/AT342122B/de
Priority to CA136,033A priority patent/CA1023855A/en
Priority to ES400336A priority patent/ES400336A1/es
Priority to BE780146A priority patent/BE780146A/xx
Priority to FR7207419A priority patent/FR2128576B1/fr
Priority to AR240808A priority patent/AR195275A1/es
Publication of NL7102863A publication Critical patent/NL7102863A/xx
Priority to AR247284A priority patent/AR203718A1/es
Priority to NO751183A priority patent/NO141672C/no
Priority to US05/618,215 priority patent/US4041530A/en
Priority to US05/801,018 priority patent/US4160269A/en
Priority to CA287,701A priority patent/CA1063241A/en
Priority to JP9746078A priority patent/JPS5452504A/ja

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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/013—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 for discrete information, i.e. where each information unit is stored in a distinct discrete location, e.g. digital information formats within a data block or sector
    • 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
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
NL7102863A 1971-03-04 1971-03-04 NL7102863A (enrdf_load_stackoverflow)

Priority Applications (23)

Application Number Priority Date Filing Date Title
NL7102863A NL7102863A (enrdf_load_stackoverflow) 1971-03-04 1971-03-04
ZA721137A ZA721137B (en) 1971-03-04 1972-02-21 Carrier provided with a spiral structure in which sound and/or image information is stored
DE19722208379 DE2208379C3 (de) 1971-03-04 1972-02-23 Optisch abtastbarer Aufzeichnungsträger und Vorrichtung zum Detektieren der in ihm gespeicherten Information sowie Herstellungsverfahren für den Aufzeichnungsträger N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande)
AU39454/72A AU470672B2 (en) 1971-03-04 1972-02-29 Carrier provided with a spiral structure in which sound and/or image information is stored
AT166672A AT342122B (de) 1971-03-04 1972-03-01 Aufzeichnungstrager fur schall- und/oder bildinformation und vorrichtung zum detektieren der im aufzeichnungstrager gespeicherten information
IT67654/72A IT952884B (it) 1971-03-04 1972-03-01 Sopporto munito di una struttura a spirale in cui e immagazzinata informazione sonora e o visiva
CH509273A CH552920A (de) 1971-03-04 1972-03-01 Vorrichtung zum ablesen von in einem aufzeichnungstraeger gespeicherten informationen.
GB948772A GB1391541A (en) 1971-03-04 1972-03-01 Information carrier of disc form for sound and/or video signals
NO646/72A NO139905C (no) 1971-03-04 1972-03-01 Informasjonsbaerer med spiralformet struktur
CH298372A CH553522A (de) 1971-03-04 1972-03-01 Aufzeichungstraeger fuer schall- und/oder bildinformationen.
BR1206/72*[A BR7201206D0 (pt) 1971-03-04 1972-03-01 Um portador provido de uma estrutura em espiral na qual informacoes de audio e ou de imagem sao armazenadas e aparelho para detectar as informacoes armazenadas no dito portador
JP2068372A JPS544603B1 (enrdf_load_stackoverflow) 1971-03-04 1972-03-01
ES400336A ES400336A1 (es) 1971-03-04 1972-03-02 Perfeccionamientos introducidos en soportes o portadores deinformacion y en aparatos para detectar y reproducirla in- formacion almacenada en los mismos.
CA136,033A CA1023855A (en) 1971-03-04 1972-03-02 Carrier provided with a spiral structure in which sound and/or image information is stored
BE780146A BE780146A (fr) 1971-03-04 1972-03-02 Support d'information a structure en spirale dans laquelle on aemmagasine de l'information sonore et/ou de l'information
FR7207419A FR2128576B1 (enrdf_load_stackoverflow) 1971-03-04 1972-03-03
AR240808A AR195275A1 (es) 1971-03-04 1972-03-03 Portador provisto con una estructura espiral en la cual se almacena informacion de sonido y/o de imagen
AR247284A AR203718A1 (es) 1971-03-04 1973-03-28 Aparato para detectar la informacion almacenada en un portador
NO751183A NO141672C (no) 1971-03-04 1975-04-07 Anordning for avlesning av en informasjonsbaerer med spesialformet struktur
US05/618,215 US4041530A (en) 1971-03-04 1975-09-30 Video disc with phase structure
US05/801,018 US4160269A (en) 1971-03-04 1977-05-27 Apparatus for optically reading a phase-modulated optical record carrier
CA287,701A CA1063241A (en) 1971-03-04 1977-09-28 Carrier provided with a spiral structure in which sound and/or image information is stored
JP9746078A JPS5452504A (en) 1971-03-04 1978-08-11 Regenerative apparatus for carrier provided with spiral structure that store sound and*or image information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7102863A NL7102863A (enrdf_load_stackoverflow) 1971-03-04 1971-03-04

Publications (1)

Publication Number Publication Date
NL7102863A true NL7102863A (enrdf_load_stackoverflow) 1972-09-06

Family

ID=19812612

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7102863A NL7102863A (enrdf_load_stackoverflow) 1971-03-04 1971-03-04

Country Status (15)

Country Link
JP (2) JPS544603B1 (enrdf_load_stackoverflow)
AR (2) AR195275A1 (enrdf_load_stackoverflow)
AT (1) AT342122B (enrdf_load_stackoverflow)
AU (1) AU470672B2 (enrdf_load_stackoverflow)
BE (1) BE780146A (enrdf_load_stackoverflow)
BR (1) BR7201206D0 (enrdf_load_stackoverflow)
CA (1) CA1023855A (enrdf_load_stackoverflow)
CH (2) CH552920A (enrdf_load_stackoverflow)
ES (1) ES400336A1 (enrdf_load_stackoverflow)
FR (1) FR2128576B1 (enrdf_load_stackoverflow)
GB (1) GB1391541A (enrdf_load_stackoverflow)
IT (1) IT952884B (enrdf_load_stackoverflow)
NL (1) NL7102863A (enrdf_load_stackoverflow)
NO (1) NO139905C (enrdf_load_stackoverflow)
ZA (1) ZA721137B (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2197495A5 (enrdf_load_stackoverflow) * 1972-08-25 1974-03-22 Thomson Csf
NL7212015A (enrdf_load_stackoverflow) * 1972-09-04 1974-03-06
FR2235354A1 (en) * 1973-06-29 1975-01-24 Thomson Csf Photoelectric optical test sensor - measures displacement of a diffraction screen with constant spacing in the test sensor plane
NL7611567A (nl) * 1976-10-20 1978-04-24 Philips Nv Werkwijze voor het maken van copieen van informatiesporen op dragers.
BE871326A (fr) * 1978-10-23 1979-04-17 Mca Disco Vision Procede et dispositif d'enregistrement et de reproduction d'un signal video.

Also Published As

Publication number Publication date
GB1391541A (en) 1975-04-23
BR7201206D0 (pt) 1973-06-07
ES400336A1 (es) 1975-06-16
AU470672B2 (en) 1973-08-30
DE2208379B2 (de) 1976-10-28
AU3945472A (en) 1973-08-30
AT342122B (de) 1978-03-10
CH552920A (de) 1974-08-15
BE780146A (fr) 1972-09-04
NO139905B (no) 1979-02-19
AR203718A1 (es) 1975-10-15
AR195275A1 (es) 1973-09-28
JPS544603B1 (enrdf_load_stackoverflow) 1979-03-08
CH553522A (de) 1974-08-30
DE2208379A1 (de) 1972-09-14
FR2128576B1 (enrdf_load_stackoverflow) 1980-03-14
JPS5452504A (en) 1979-04-25
IT952884B (it) 1973-07-30
FR2128576A1 (enrdf_load_stackoverflow) 1972-10-20
NO139905C (no) 1979-05-30
JPS5732409B2 (enrdf_load_stackoverflow) 1982-07-10
CA1023855A (en) 1978-01-03
ATA166672A (de) 1977-07-15
ZA721137B (en) 1973-10-31

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Legal Events

Date Code Title Description
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