FR783581A - Perfectionnements aux phonogrammes souples - Google Patents

Perfectionnements aux phonogrammes souples

Info

Publication number
FR783581A
FR783581A FR783581DA FR783581A FR 783581 A FR783581 A FR 783581A FR 783581D A FR783581D A FR 783581DA FR 783581 A FR783581 A FR 783581A
Authority
FR
France
Prior art keywords
phonograms
flexible
flexible phonograms
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
Fernando Crudo
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 FR783581A publication Critical patent/FR783581A/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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
    • G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
    • 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
    • G11B5/80—Card carriers
FR783581D 1934-04-14 1934-12-14 Perfectionnements aux phonogrammes souples Expired FR783581A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE783581X 1934-04-14

Publications (1)

Publication Number Publication Date
FR783581A true FR783581A (fr) 1935-07-16

Family

ID=6697525

Family Applications (1)

Application Number Title Priority Date Filing Date
FR783581D Expired FR783581A (fr) 1934-04-14 1934-12-14 Perfectionnements aux phonogrammes souples

Country Status (1)

Country Link
FR (1) FR783581A (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2653819A (en) * 1947-04-10 1953-09-29 Int Electronics Co Magnetic recording system
US2668718A (en) * 1946-12-21 1954-02-09 Int Electronics Co Magnetic letterhead
US2672346A (en) * 1946-12-21 1954-03-16 Int Electronics Co Office dictation and intercommunication system
US2709597A (en) * 1950-07-04 1955-05-31 Acec Magnetic sound recording apparatus
US2710191A (en) * 1947-06-07 1955-06-07 Clevite Corp Magnetic record transducing system
US2714010A (en) * 1948-07-07 1955-07-26 Presto Recording Corp Magnetic transducing unit
DE1122729B (de) * 1956-10-23 1962-01-25 Tdk Electronics Co Ltd Aufspanneinrichtung fuer Tontraegerfolien

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2668718A (en) * 1946-12-21 1954-02-09 Int Electronics Co Magnetic letterhead
US2672346A (en) * 1946-12-21 1954-03-16 Int Electronics Co Office dictation and intercommunication system
US2653819A (en) * 1947-04-10 1953-09-29 Int Electronics Co Magnetic recording system
US2710191A (en) * 1947-06-07 1955-06-07 Clevite Corp Magnetic record transducing system
US2714010A (en) * 1948-07-07 1955-07-26 Presto Recording Corp Magnetic transducing unit
US2709597A (en) * 1950-07-04 1955-05-31 Acec Magnetic sound recording apparatus
DE969046C (de) * 1950-07-04 1958-04-24 Acec Anordnung zur Befestigung von Aufnahmeblaettern fuer magnetische Tonaufnahmen und -wiedergaben auf ihren Haltern
DE1122729B (de) * 1956-10-23 1962-01-25 Tdk Electronics Co Ltd Aufspanneinrichtung fuer Tontraegerfolien

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