GB389728A - Improved sound record for reproduction by magnetic or electrical means - Google Patents

Improved sound record for reproduction by magnetic or electrical means

Info

Publication number
GB389728A
GB389728A GB22862/32A GB2286232A GB389728A GB 389728 A GB389728 A GB 389728A GB 22862/32 A GB22862/32 A GB 22862/32A GB 2286232 A GB2286232 A GB 2286232A GB 389728 A GB389728 A GB 389728A
Authority
GB
United Kingdom
Prior art keywords
strip
magnetic
record
reproduction
coil
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
GB22862/32A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB389728A publication Critical patent/GB389728A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78Tape carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B9/00Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor
    • G11B9/06Recording or reproducing using a method not covered by one of the main groups G11B3/00 - G11B7/00; Record carriers therefor using record carriers having variable electrical capacitance; Record carriers therefor
    • G11B9/061Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B9/062Record carriers characterised by their structure or form or by the selection of the material; Apparatus or processes specially adapted for the manufacture of record carriers characterised by the form, e.g. comprising mechanical protection elements

Landscapes

  • Electrophonic Musical Instruments (AREA)
GB22862/32A 1931-08-14 1932-08-15 Improved sound record for reproduction by magnetic or electrical means Expired GB389728A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE389728X 1931-08-14

Publications (1)

Publication Number Publication Date
GB389728A true GB389728A (en) 1933-03-23

Family

ID=6371465

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22862/32A Expired GB389728A (en) 1931-08-14 1932-08-15 Improved sound record for reproduction by magnetic or electrical means

Country Status (2)

Country Link
FR (1) FR741092A (enrdf_load_stackoverflow)
GB (1) GB389728A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059681B (de) * 1953-10-20 1959-06-18 Siemens Ag Einrichtung zur Aufzeichnung oder Abtastung von Magnetogrammen
US4538252A (en) * 1981-08-24 1985-08-27 International Business Machines Corporation Light induced capacitance changes in donor polymers (or small molecules) films and its use for information storage in video disks and the like

Also Published As

Publication number Publication date
FR741092A (enrdf_load_stackoverflow) 1933-02-04

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