DK70011C - Lydbærer til magnetisk optegning. - Google Patents

Lydbærer til magnetisk optegning.

Info

Publication number
DK70011C
DK70011C DK51642AA DK51642A DK70011C DK 70011 C DK70011 C DK 70011C DK 51642A A DK51642A A DK 51642AA DK 51642 A DK51642 A DK 51642A DK 70011 C DK70011 C DK 70011C
Authority
DK
Denmark
Prior art keywords
magnetic recording
sound carrier
sound
carrier
recording
Prior art date
Application number
DK51642AA
Other languages
English (en)
Inventor
Hans Joachim Von Braunmuehl
Walter Weber
Original Assignee
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 by Hans Joachim Von Braunmuehl, Walter Weber filed Critical Hans Joachim Von Braunmuehl
Application granted granted Critical
Publication of DK70011C publication Critical patent/DK70011C/da

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
DK51642AA 1941-03-28 1942-03-07 Lydbærer til magnetisk optegning. DK70011C (da)

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
DK70011C true DK70011C (da) 1949-10-03

Family

ID=43413972

Family Applications (1)

Application Number Title Priority Date Filing Date
DK51642AA DK70011C (da) 1941-03-28 1942-03-07 Lydbærer til magnetisk optegning.

Country Status (4)

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

Families Citing this family (11)

* 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
DE895063C (de) * 1948-10-02 1953-10-29 Siemens Ag Anordnung zur elektromagnetischen Aufzeichnung
US2735899A (en) * 1948-10-02 1956-02-21 Essel
US2747027A (en) * 1948-11-05 1956-05-22 Armour Res Found Recording apparatus and method for making duplicate magnetic records
US2723315A (en) * 1948-11-05 1955-11-08 Indiana Steel Products Co Method and means for duplicating magnetic records by magnetic transfer phenomenon
US2686229A (en) * 1949-04-16 1954-08-10 Rca Corp Magnetic record copying
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

Also Published As

Publication number Publication date
DE743510C (de) 1943-12-28
FR880559A (fr) 1943-03-30
CH224248A (de) 1942-11-15

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