FR880559A - Support sonore pour enregistrements magnétiques - Google Patents

Support sonore pour enregistrements magnétiques

Info

Publication number
FR880559A
FR880559A FR880559DA FR880559A FR 880559 A FR880559 A FR 880559A FR 880559D A FR880559D A FR 880559DA FR 880559 A FR880559 A FR 880559A
Authority
FR
France
Prior art keywords
sound carrier
magnetic recordings
recordings
magnetic
sound
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
Hans Joachim Von Braunmuehl
Walter Weber
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
Application granted granted Critical
Publication of FR880559A publication Critical patent/FR880559A/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
    • 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
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
FR880559D 1941-03-28 1942-03-26 Support sonore pour enregistrements magnétiques Expired FR880559A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB193741A DE743510C (de) 1941-03-28 1941-03-28 Magnetogrammtraeger

Publications (1)

Publication Number Publication Date
FR880559A true FR880559A (fr) 1943-03-30

Family

ID=43413972

Family Applications (1)

Application Number Title Priority Date Filing Date
FR880559D Expired FR880559A (fr) 1941-03-28 1942-03-26 Support sonore pour enregistrements magnétiques

Country Status (4)

Country Link
CH (1) CH224248A (fr)
DE (1) DE743510C (fr)
DK (1) DK70011C (fr)
FR (1) FR880559A (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535480A (en) * 1945-08-27 1950-12-26 Brush Dev Co Magnetic recording and reproducing
US2604548A (en) * 1946-12-05 1952-07-22 Brush Dev Co Apparatus for demagnetizing magnetic recording-reproducting heads
US2658956A (en) * 1947-04-21 1953-11-10 Clevite Corp Magnetic recording and reproducing
US2672346A (en) * 1946-12-21 1954-03-16 Int Electronics Co Office dictation and intercommunication system
US2686229A (en) * 1949-04-16 1954-08-10 Rca Corp Magnetic record copying
US2723315A (en) * 1948-11-05 1955-11-08 Indiana Steel Products Co Method and means for duplicating magnetic records by magnetic transfer phenomenon
US2738383A (en) * 1948-06-21 1956-03-13 Minnesota Mining & Mfg Method and apparatus for duplicating magnetic recordings and magnetic tape record members
US2747027A (en) * 1948-11-05 1956-05-22 Armour Res Found Recording apparatus and method for making duplicate magnetic records

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE895063C (de) * 1948-10-02 1953-10-29 Siemens Ag Anordnung zur elektromagnetischen Aufzeichnung
US2735899A (en) * 1948-10-02 1956-02-21 Essel
DE849013C (de) * 1950-05-27 1952-09-11 Fritz Hammon Verfahren zum Loeschen von Stoeraufzeichnungen in Magnetogrammen, die im aufgewickelten od. dgl. Zustand des Traegers durch Kontaktkopieren entstanden sind

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535480A (en) * 1945-08-27 1950-12-26 Brush Dev Co Magnetic recording and reproducing
US2604548A (en) * 1946-12-05 1952-07-22 Brush Dev Co Apparatus for demagnetizing magnetic recording-reproducting heads
US2672346A (en) * 1946-12-21 1954-03-16 Int Electronics Co Office dictation and intercommunication system
US2658956A (en) * 1947-04-21 1953-11-10 Clevite Corp Magnetic recording and reproducing
US2738383A (en) * 1948-06-21 1956-03-13 Minnesota Mining & Mfg Method and apparatus for duplicating magnetic recordings and magnetic tape record members
US2723315A (en) * 1948-11-05 1955-11-08 Indiana Steel Products Co Method and means for duplicating magnetic records by magnetic transfer phenomenon
US2747027A (en) * 1948-11-05 1956-05-22 Armour Res Found Recording apparatus and method for making duplicate magnetic records
US2686229A (en) * 1949-04-16 1954-08-10 Rca Corp Magnetic record copying

Also Published As

Publication number Publication date
CH224248A (de) 1942-11-15
DE743510C (de) 1943-12-28
DK70011C (da) 1949-10-03

Similar Documents

Publication Publication Date Title
FR870759A (fr) Amplificateur magnétique
FR880559A (fr) Support sonore pour enregistrements magnétiques
FR848331A (fr) Serre-livres pour bibliothèques
FR881607A (fr) Support pour tachymètres
CH228534A (de) Magnetischer Verstärker.
FR890884A (fr) Système magnétique pour haut-parleur
FR879598A (fr) Bras équilibré pour phonographes
FR889011A (fr) Repères pour enregistrement du son par aimantation
FR49703E (fr) Répétiteur pour phonographes
FR875031A (fr) Appareil pour reproduction photomécanique
FR869307A (fr) Filtre-épurateur pour gazogènes
FR901221A (fr) Support pour cycles et motocyclettes
FR843165A (fr) Phonographe
FR873542A (fr) Amplificateur pour hautes fréquences
FR938437A (fr) Synthèse fischer
FR890296A (fr) Amplificateur magnétique
FR890236A (fr) Amplificateur magnétique
ES154010A1 (es) Procedimiento fonografico
FR1015382A (fr) Machine pour la reproduction des cartes enregistreuses
FR1018259A (fr) ébénisterie pour phonographes
FR882404A (fr) Système magnétique hexapolaire pour appareils électro-accoustiques
FR889811A (fr) Ventilateur-surpresseur pour gazogènes
FR879943A (fr) Membrane pour boîte sonore
FR50436E (fr) Répétiteur pour phonographes
ES154514A1 (es) Procedimiento para el registro acustico magnetico