FR523160A - Improvements to phonograph diaphragms - Google Patents

Improvements to phonograph diaphragms

Info

Publication number
FR523160A
FR523160A FR523160A FR523160DA FR523160A FR 523160 A FR523160 A FR 523160A FR 523160 A FR523160 A FR 523160A FR 523160D A FR523160D A FR 523160DA FR 523160 A FR523160 A FR 523160A
Authority
FR
France
Prior art keywords
phonograph
diaphragms
phonograph diaphragms
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
FR523160A
Other languages
French (fr)
Inventor
Gaspard Jakova-Merturi
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.)
GASPARD JAKOVA MERTURI
Original Assignee
GASPARD JAKOVA MERTURI
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 GASPARD JAKOVA MERTURI filed Critical GASPARD JAKOVA MERTURI
Application granted granted Critical
Publication of FR523160A publication Critical patent/FR523160A/en
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)
FR523160A 1920-08-28 1920-08-28 Improvements to phonograph diaphragms Expired FR523160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR523160T 1920-08-28

Publications (1)

Publication Number Publication Date
FR523160A true FR523160A (en) 1921-08-13

Family

ID=8918403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR523160A Expired FR523160A (en) 1920-08-28 1920-08-28 Improvements to phonograph diaphragms

Country Status (1)

Country Link
FR (1) FR523160A (en)

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