FR400416A - Perfectionnements aux gramophones - Google Patents

Perfectionnements aux gramophones

Info

Publication number
FR400416A
FR400416A FR400416DA FR400416A FR 400416 A FR400416 A FR 400416A FR 400416D A FR400416D A FR 400416DA FR 400416 A FR400416 A FR 400416A
Authority
FR
France
Prior art keywords
gramophone
refinements
gramophone refinements
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
Dimitry Domachneff
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.)
DIMITRY DOMACHNEFF
Original Assignee
DIMITRY DOMACHNEFF
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 DIMITRY DOMACHNEFF filed Critical DIMITRY DOMACHNEFF
Application granted granted Critical
Publication of FR400416A publication Critical patent/FR400416A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR400416D 1909-03-06 1909-03-06 Perfectionnements aux gramophones Expired FR400416A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR400416T 1909-03-06

Publications (1)

Publication Number Publication Date
FR400416A true FR400416A (fr) 1909-07-27

Family

ID=1445292

Family Applications (1)

Application Number Title Priority Date Filing Date
FR400416D Expired FR400416A (fr) 1909-03-06 1909-03-06 Perfectionnements aux gramophones

Country Status (1)

Country Link
FR (1) FR400416A (fr)

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