FR970414A - Tape or sheet for sound recordings and method of manufacture thereof - Google Patents

Tape or sheet for sound recordings and method of manufacture thereof

Info

Publication number
FR970414A
FR970414A FR970414DA FR970414A FR 970414 A FR970414 A FR 970414A FR 970414D A FR970414D A FR 970414DA FR 970414 A FR970414 A FR 970414A
Authority
FR
France
Prior art keywords
tape
manufacture
sheet
sound recordings
recordings
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
French (fr)
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.)
DUREX ABRASIVES Ltd
Original Assignee
DUREX ABRASIVES 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 DUREX ABRASIVES Ltd filed Critical DUREX ABRASIVES Ltd
Application granted granted Critical
Publication of FR970414A publication Critical patent/FR970414A/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
    • G11B5/62—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
    • G11B5/702—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 characterised by the bonding agent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
FR970414D 1947-08-20 1948-08-18 Tape or sheet for sound recordings and method of manufacture thereof Expired FR970414A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB970414X 1947-08-20

Publications (1)

Publication Number Publication Date
FR970414A true FR970414A (en) 1951-01-04

Family

ID=10808447

Family Applications (1)

Application Number Title Priority Date Filing Date
FR970414D Expired FR970414A (en) 1947-08-20 1948-08-18 Tape or sheet for sound recordings and method of manufacture thereof

Country Status (1)

Country Link
FR (1) FR970414A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019837B (en) * 1954-05-19 1957-11-21 Deutsche Elektronik Gmbh Magnetic sound recorder and method of making it

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1019837B (en) * 1954-05-19 1957-11-21 Deutsche Elektronik Gmbh Magnetic sound recorder and method of making it

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