FR671043A - Improvements to recording devices for speaking machines - Google Patents

Improvements to recording devices for speaking machines

Info

Publication number
FR671043A
FR671043A FR671043DA FR671043A FR 671043 A FR671043 A FR 671043A FR 671043D A FR671043D A FR 671043DA FR 671043 A FR671043 A FR 671043A
Authority
FR
France
Prior art keywords
recording devices
speaking machines
speaking
machines
recording
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.)
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 FR671043A publication Critical patent/FR671043A/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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
FR671043D 1928-05-02 1929-03-07 Improvements to recording devices for speaking machines Expired FR671043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB671043X 1928-05-02

Publications (1)

Publication Number Publication Date
FR671043A true FR671043A (en) 1929-12-07

Family

ID=10491699

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671043D Expired FR671043A (en) 1928-05-02 1929-03-07 Improvements to recording devices for speaking machines

Country Status (1)

Country Link
FR (1) FR671043A (en)

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