IT947823B - Procedimento e apparecchiatura per registrare informazioni su dischi fonografici - Google Patents

Procedimento e apparecchiatura per registrare informazioni su dischi fonografici

Info

Publication number
IT947823B
IT947823B IT20923/72A IT2092372A IT947823B IT 947823 B IT947823 B IT 947823B IT 20923/72 A IT20923/72 A IT 20923/72A IT 2092372 A IT2092372 A IT 2092372A IT 947823 B IT947823 B IT 947823B
Authority
IT
Italy
Prior art keywords
procedure
equipment
recording information
phonograph records
phonograph
Prior art date
Application number
IT20923/72A
Other languages
English (en)
Original Assignee
Emi Ltd
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 Emi Ltd filed Critical Emi Ltd
Application granted granted Critical
Publication of IT947823B publication Critical patent/IT947823B/it

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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/03Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles
    • G11B11/06Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by deforming with non-mechanical means, e.g. laser, beam of particles with reproducing by mechanical sensing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
IT20923/72A 1971-02-24 1972-02-23 Procedimento e apparecchiatura per registrare informazioni su dischi fonografici IT947823B (it)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB529371A GB1389831A (en) 1971-02-24 1971-02-24 Production of records
GB3400071 1971-07-20
GB3674671 1971-08-05
GB5566271 1971-12-01
GB5989671 1971-12-23

Publications (1)

Publication Number Publication Date
IT947823B true IT947823B (it) 1973-05-30

Family

ID=27515772

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20923/72A IT947823B (it) 1971-02-24 1972-02-23 Procedimento e apparecchiatura per registrare informazioni su dischi fonografici

Country Status (5)

Country Link
DE (1) DE2209332A1 (it)
FR (1) FR2126387A1 (it)
GB (1) GB1389831A (it)
IT (1) IT947823B (it)
NL (1) NL7202468A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6021403B2 (ja) * 1979-10-18 1985-05-27 日本ビクター株式会社 光学的記録装置における集光状態の監視装置
JPS5687239A (en) * 1979-12-18 1981-07-15 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
FR2474223A1 (fr) * 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
FR2474222A1 (fr) 1980-01-23 1981-07-24 Thomson Csf Procede d'inscription thermo-optique d'information et support d'information destine a la mise en oeuvre de ce procede
JPS57105828A (en) * 1980-12-19 1982-07-01 Matsushita Electric Ind Co Ltd Optical disk recording and reproducing system

Also Published As

Publication number Publication date
DE2209332A1 (de) 1972-09-07
GB1389831A (en) 1975-04-09
NL7202468A (it) 1972-08-28
FR2126387A1 (it) 1972-10-06

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