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FR441816A - Phonograph records - Google Patents

Phonograph records

Info

Publication number
FR441816A
FR441816A FR441816DA FR441816A FR 441816 A FR441816 A FR 441816A FR 441816D A FR441816D A FR 441816DA FR 441816 A FR441816 A FR 441816A
Authority
FR
France
Prior art keywords
phonograph records
phonograph
records
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)
Inventor
Francois-Henri De Lostalot
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
Application granted granted Critical
Publication of FR441816A publication Critical patent/FR441816A/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
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
FR441816D 1912-03-21 1912-03-21 Phonograph records Expired FR441816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR441816T 1912-03-21

Publications (1)

Publication Number Publication Date
FR441816A true FR441816A (en) 1912-08-17

Family

ID=1483033

Family Applications (1)

Application Number Title Priority Date Filing Date
FR441816D Expired FR441816A (en) 1912-03-21 1912-03-21 Phonograph records

Country Status (1)

Country Link
FR (1) FR441816A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747219C (en) * 1941-09-13 1945-01-11 Schallband Syndikat A G Method for the galvanic production of sound tape matrices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE747219C (en) * 1941-09-13 1945-01-11 Schallband Syndikat A G Method for the galvanic production of sound tape matrices

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