[go: up one dir, main page]

FR1074871A - Procédé d'amélioration des disques d'enregistrement et de reproduction des sons - Google Patents

Procédé d'amélioration des disques d'enregistrement et de reproduction des sons

Info

Publication number
FR1074871A
FR1074871A FR1074871DA FR1074871A FR 1074871 A FR1074871 A FR 1074871A FR 1074871D A FR1074871D A FR 1074871DA FR 1074871 A FR1074871 A FR 1074871A
Authority
FR
France
Prior art keywords
sound recording
improving sound
reproducing discs
reproducing
discs
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.)
Expired
Application number
Other languages
English (en)
Inventor
Paul-Henri Morel
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
Societe des Usines Chimiques Rhone Poulenc SA
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 Rhone Poulenc SA, Societe des Usines Chimiques Rhone Poulenc SA filed Critical Rhone Poulenc SA
Application granted granted Critical
Publication of FR1074871A publication Critical patent/FR1074871A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/23—Magnetisable or magnetic paints or lacquers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/58—Cleaning record carriers or styli, e.g. removing shavings or dust or electrostatic charges
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR1074871D 1953-02-12 1953-02-12 Procédé d'amélioration des disques d'enregistrement et de reproduction des sons Expired FR1074871A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1074871T 1953-02-12

Publications (1)

Publication Number Publication Date
FR1074871A true FR1074871A (fr) 1954-10-11

Family

ID=9606799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1074871D Expired FR1074871A (fr) 1953-02-12 1953-02-12 Procédé d'amélioration des disques d'enregistrement et de reproduction des sons

Country Status (4)

Country Link
BE (1) BE521395A (fr)
CH (1) CH313410A (fr)
FR (1) FR1074871A (fr)
GB (1) GB727456A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269739A (en) 1978-08-04 1981-05-26 Cbs Records Aps Agent for surface treatment and cleaning of records and similar objects
DE3319794A1 (de) * 1983-06-01 1984-12-06 Hoechst Ag, 6230 Frankfurt Fluessiges schallplattenpflegemittel mit siliconoel und dessen verwendung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833408A (en) * 1972-04-19 1974-09-03 Rca Corp Video discs having a methyl alkyl silicone coating
IT1123480B (it) * 1978-08-29 1986-04-30 Rca Corp Lubrificanti per videodischi
US4216970A (en) * 1979-03-05 1980-08-12 Rca Corporation Video disc lubricants
GB2127841B (en) * 1982-09-10 1986-10-15 Arwyn Oswald Thomas Charles Inclusion of oil emulsion in gramophone record cleaning fluids

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269739A (en) 1978-08-04 1981-05-26 Cbs Records Aps Agent for surface treatment and cleaning of records and similar objects
DE3319794A1 (de) * 1983-06-01 1984-12-06 Hoechst Ag, 6230 Frankfurt Fluessiges schallplattenpflegemittel mit siliconoel und dessen verwendung
US4647395A (en) * 1983-06-01 1987-03-03 Hoechst Aktiengesellschaft Phonograph disk care product
AU577289B2 (en) * 1983-06-01 1988-09-22 Hoechst Aktiengesellschaft Disk care product

Also Published As

Publication number Publication date
GB727456A (en) 1955-03-30
CH313410A (fr) 1956-04-15
BE521395A (fr)

Similar Documents

Publication Publication Date Title
FR1074871A (fr) Procédé d'amélioration des disques d'enregistrement et de reproduction des sons
FR1121583A (fr) Tête magnétique d'enregistrement et de reproduction de sons
FR1059964A (fr) Procédé d'enregistrement et de reproduction sonore sur supports à vitese lente
FR1113629A (fr) Perfectionnements aux appareils d'enregistrement et de reproduction du son par bandes magnétiques
FR1113277A (fr) Procédé et dispositif d'enregistrement et de reproduction de sons
FR1066423A (fr) Appareil pour l'enregistrement et la reproduction des sons
FR1094941A (fr) Disque magnétique à duplicata pour l'enregistrement et la reproduction des sons
FR1090804A (fr) Procédé et dispositif d'enregistrement et de reproduction des sons
FR1090915A (fr) Procédé pour l'enregistrement et pour la reproduction d'émissions sonores
CH357881A (fr) Groupe de têtes magnétiques pour appareil d'enregistrement et de reproduction magnétique sonore
FR1050390A (fr) Appareil d'enregistrement et de reproduction du son
FR1035756A (fr) Appareil d'enregistrement et de reproduction électromagnétique, notamment de sons adaptable à un tourne-disques
FR1171551A (fr) Appareil magnétique d'enregistrement et de reproduction du son
FR1140549A (fr) Procédé et appareil pour la lecture des disques et pour l'enregistrement des sons
FR1007289A (fr) Procédé et dispositif pour l'enregistrement et la reproduction des sons
FR1181649A (fr) Perfectionnement aux appareils magnétiques pour l'enregistrement et la reproduction des sons
FR1074892A (fr) Procédé et appareil pour l'enregistrement et la reproduction de déplacements
FR1133963A (fr) Procédé et appareils pour l'enregistrement et la reproduction des sons et autres signaux
FR1239255A (fr) Appareil à bande magnétique pour l'enregistrement et la reproduction des sons
FR1152405A (fr) Procédé d'enregistrement magnétique des sons sur pistes multiples
FR1011102A (fr) Procédé d'enregistrement et de reproduction du son
FR1047277A (fr) Appareil d'enregistrement et de reproduction magnétiques des sons
FR1115748A (fr) Perfectionnements à l'enregistrement et à la reproduction des sons au moyen de disques
FR1109824A (fr) Appareil magnétique d'enregistrement et de reproduction
FR1036104A (fr) Procédé d'enregistrement, de copie d'enregistrements et de reproduction de phénomènes électriques