FR2344920A1 - Support d'enregistrement d'information et procedes et dispositifs d'enregistrement et de reproduction correspondants - Google Patents

Support d'enregistrement d'information et procedes et dispositifs d'enregistrement et de reproduction correspondants

Info

Publication number
FR2344920A1
FR2344920A1 FR7708226A FR7708226A FR2344920A1 FR 2344920 A1 FR2344920 A1 FR 2344920A1 FR 7708226 A FR7708226 A FR 7708226A FR 7708226 A FR7708226 A FR 7708226A FR 2344920 A1 FR2344920 A1 FR 2344920A1
Authority
FR
France
Prior art keywords
devices
reproduction methods
information recording
recording media
recording
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
FR7708226A
Other languages
English (en)
Other versions
FR2344920B1 (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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of FR2344920A1 publication Critical patent/FR2344920A1/fr
Application granted granted Critical
Publication of FR2344920B1 publication Critical patent/FR2344920B1/fr
Granted legal-status Critical Current

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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00451—Recording involving ablation of the recording layer
    • 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
    • G11B7/0052—Reproducing involving reflectivity, absorption or colour changes
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B2007/24624—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes fluorescent dyes
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
    • G11B7/2531—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/2585—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on aluminium
FR7708226A 1976-03-19 1977-03-18 Support d'enregistrement d'information et procedes et dispositifs d'enregistrement et de reproduction correspondants Granted FR2344920A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/668,495 US4097895A (en) 1976-03-19 1976-03-19 Multilayer optical record

Publications (2)

Publication Number Publication Date
FR2344920A1 true FR2344920A1 (fr) 1977-10-14
FR2344920B1 FR2344920B1 (fr) 1980-10-24

Family

ID=24682526

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7708226A Granted FR2344920A1 (fr) 1976-03-19 1977-03-18 Support d'enregistrement d'information et procedes et dispositifs d'enregistrement et de reproduction correspondants

Country Status (8)

Country Link
US (1) US4097895A (fr)
JP (4) JPS52114306A (fr)
AU (1) AU509993B2 (fr)
DE (2) DE2759303C2 (fr)
FR (1) FR2344920A1 (fr)
GB (1) GB1560245A (fr)
HK (1) HK32782A (fr)
NL (2) NL186836C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0003262A1 (fr) * 1977-12-19 1979-08-08 EASTMAN KODAK COMPANY (a New Jersey corporation) Support d'enregistrement, procédé et dispositif pour enregistrer des informations
FR2418514A1 (fr) * 1978-02-24 1979-09-21 Rca Corp Support d'enregistrement optique de l'information
FR2492568A1 (fr) * 1980-10-21 1982-04-23 Rca Corp Milieu d'enregistrement optique perfectionne et disque realise a l'aide de ce milieu

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US4329697A (en) * 1977-03-28 1982-05-11 Rca Corporation Information record
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US4300143A (en) * 1977-08-29 1981-11-10 Rca Corporation Thin protective overcoat layer for optical video disc
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US4195313A (en) * 1978-02-24 1980-03-25 Rca Corporation Antireflective information record having an optically passive transparent layer
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US4345261A (en) * 1979-02-21 1982-08-17 Discovision Associates Dielectric recording medium
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NL7905914A (nl) 1979-08-01 1981-02-03 Philips Nv Kleurstof bevattend laagje van een filmvormend polymeer bindmiddel en toepassing ervan in een informatie- registratieeelement.
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US4360908A (en) * 1980-02-25 1982-11-23 Eastman Kodak Company Physically optimized optical disc structure, method and apparatus
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US4292511A (en) * 1980-04-21 1981-09-29 Rca Corporation Apparatus and method for reading an identifying label on an information record
FR2490858B1 (fr) * 1980-09-25 1986-04-04 Rca Corp Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu
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US4408213A (en) * 1981-10-30 1983-10-04 Rca Corporation Reinforced bubble recording medium and information record
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US4423427A (en) * 1982-04-26 1983-12-27 Rca Corporation Substrate for optical recording media and information records
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US4433410A (en) * 1982-06-30 1984-02-21 Rca Corporation Protective cartridge for optical discs
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US4502133A (en) * 1982-11-30 1985-02-26 Rca Corporation Automatic handling mechanism for an optical disc enclosed in a protective cartridge
US4556893A (en) * 1983-02-15 1985-12-03 Minnesota Mining And Manufacturing Company Optical recording medium of high sensitivity
JPH071556B2 (ja) * 1983-03-26 1995-01-11 パイオニア株式会社 ディスクの情報記録方法
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EP0135750B1 (fr) * 1983-08-26 1988-06-22 Hitachi, Ltd. Appareil d'enregistrement et de reproduction d'informations optiques
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JPS60239947A (ja) * 1984-05-15 1985-11-28 Ricoh Co Ltd 光学的情報記憶媒体
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Publication number Priority date Publication date Assignee Title
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FR2418514A1 (fr) * 1978-02-24 1979-09-21 Rca Corp Support d'enregistrement optique de l'information
FR2492568A1 (fr) * 1980-10-21 1982-04-23 Rca Corp Milieu d'enregistrement optique perfectionne et disque realise a l'aide de ce milieu

Also Published As

Publication number Publication date
AU2311677A (en) 1978-09-14
JPH0343691B2 (fr) 1991-07-03
JPS6325414B2 (fr) 1988-05-25
DE2712013C2 (de) 1983-01-13
GB1560245A (en) 1980-01-30
NL7702971A (nl) 1977-09-21
NL186836C (nl) 1991-03-01
DE2712013A1 (de) 1977-09-22
AU509993B2 (en) 1980-06-05
JPS52114306A (en) 1977-09-26
HK32782A (en) 1982-07-23
NL9000906A (nl) 1990-08-01
JPS5634938B2 (fr) 1981-08-13
US4097895A (en) 1978-06-27
JPS62175943A (ja) 1987-08-01
FR2344920B1 (fr) 1980-10-24
JPS5484702A (en) 1979-07-05
JPH0343692B2 (fr) 1991-07-03
DE2759303C2 (fr) 1987-06-04
JPS62175944A (ja) 1987-08-01

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