FR540000A - Perfectionnements aux machines parlantes - Google Patents

Perfectionnements aux machines parlantes

Info

Publication number
FR540000A
FR540000A FR540000DA FR540000A FR 540000 A FR540000 A FR 540000A FR 540000D A FR540000D A FR 540000DA FR 540000 A FR540000 A FR 540000A
Authority
FR
France
Prior art keywords
talking machines
talking
machines
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)
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co 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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR540000A publication Critical patent/FR540000A/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
    • 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
FR540000D 1920-09-20 1921-08-29 Perfectionnements aux machines parlantes Expired FR540000A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB540000X 1920-09-20

Publications (1)

Publication Number Publication Date
FR540000A true FR540000A (fr) 1922-07-04

Family

ID=10469641

Family Applications (1)

Application Number Title Priority Date Filing Date
FR540000D Expired FR540000A (fr) 1920-09-20 1921-08-29 Perfectionnements aux machines parlantes

Country Status (1)

Country Link
FR (1) FR540000A (fr)

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