FR613549A - Vibrating membrane and its manufacturing process - Google Patents

Vibrating membrane and its manufacturing process

Info

Publication number
FR613549A
FR613549A FR613549DA FR613549A FR 613549 A FR613549 A FR 613549A FR 613549D A FR613549D A FR 613549DA FR 613549 A FR613549 A FR 613549A
Authority
FR
France
Prior art keywords
manufacturing process
vibrating membrane
vibrating
membrane
manufacturing
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
Albert Mathot
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 filed Critical
Application granted granted Critical
Publication of FR613549A publication Critical patent/FR613549A/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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR613549D 1925-07-28 1925-07-28 Vibrating membrane and its manufacturing process Expired FR613549A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR613549T 1925-07-28

Publications (1)

Publication Number Publication Date
FR613549A true FR613549A (en) 1926-11-19

Family

ID=8979584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR613549D Expired FR613549A (en) 1925-07-28 1925-07-28 Vibrating membrane and its manufacturing process

Country Status (1)

Country Link
FR (1) FR613549A (en)

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