GB689329A - Improvements in or relating to magnetogram records - Google Patents

Improvements in or relating to magnetogram records

Info

Publication number
GB689329A
GB689329A GB24135/50A GB2413550A GB689329A GB 689329 A GB689329 A GB 689329A GB 24135/50 A GB24135/50 A GB 24135/50A GB 2413550 A GB2413550 A GB 2413550A GB 689329 A GB689329 A GB 689329A
Authority
GB
United Kingdom
Prior art keywords
records
magnetic
magnetogram
relating
assmann
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
GB24135/50A
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.)
ASSMANN GmbH WOLFGANG
Original Assignee
ASSMANN GmbH WOLFGANG
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 ASSMANN GmbH WOLFGANG filed Critical ASSMANN GmbH WOLFGANG
Publication of GB689329A publication Critical patent/GB689329A/en
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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G11B5/825—Disk carriers flexible discs

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

689,329. Magnetic sound records. ASSMANN, GES., W. Oct. 3, 1950 [March 7, 1949], No. 24135/50. Class 40 (ii). A flexible magnetic record 1 is corrugated to provide guiding grooves 2 and comprises a mixture of magnetic material and non-magnetic synthetic material.
GB24135/50A 1949-03-07 1950-10-03 Improvements in or relating to magnetogram records Expired GB689329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE290630X 1949-03-07

Publications (1)

Publication Number Publication Date
GB689329A true GB689329A (en) 1953-03-25

Family

ID=6063296

Family Applications (1)

Application Number Title Priority Date Filing Date
GB24135/50A Expired GB689329A (en) 1949-03-07 1950-10-03 Improvements in or relating to magnetogram records

Country Status (2)

Country Link
CH (1) CH290630A (en)
GB (1) GB689329A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1172443B (en) * 1961-06-06 1964-06-18 Karin Herta Hildegard Schindle Process for the production of a record-shaped magnetogram carrier with a guide groove
DE1144324B (en) * 1961-09-08 1963-02-28 Telefunken Patent Apparatus for the magnetic recording of television picture and sound signals

Also Published As

Publication number Publication date
CH290630A (en) 1953-05-15

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