FR334326A - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR334326A
FR334326A FR334326DA FR334326A FR 334326 A FR334326 A FR 334326A FR 334326D A FR334326D A FR 334326DA FR 334326 A FR334326 A FR 334326A
Authority
FR
France
Prior art keywords
phonographs
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
Charles Gros
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 FR334326A publication Critical patent/FR334326A/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
    • 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
    • G11B25/02—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 cylindrical record carriers
FR334326D 1903-08-01 1903-08-01 Improvements to phonographs Expired FR334326A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR334326T 1903-08-01

Publications (1)

Publication Number Publication Date
FR334326A true FR334326A (en) 1903-12-18

Family

ID=1383865

Family Applications (1)

Application Number Title Priority Date Filing Date
FR334326D Expired FR334326A (en) 1903-08-01 1903-08-01 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR334326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE905678C (en) * 1937-03-26 1954-03-04 Siemens Ag Protective device for sound pens on pickups

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE905678C (en) * 1937-03-26 1954-03-04 Siemens Ag Protective device for sound pens on pickups

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