FR899711A - Speaker diaphragms improvements - Google Patents

Speaker diaphragms improvements

Info

Publication number
FR899711A
FR899711A FR899711DA FR899711A FR 899711 A FR899711 A FR 899711A FR 899711D A FR899711D A FR 899711DA FR 899711 A FR899711 A FR 899711A
Authority
FR
France
Prior art keywords
speaker diaphragms
diaphragms
speaker
diaphragms improvements
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
Eugene Mercier
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 FR899711A publication Critical patent/FR899711A/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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
    • H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR899711D 1943-11-12 1943-11-12 Speaker diaphragms improvements Expired FR899711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR899711T 1943-11-12

Publications (1)

Publication Number Publication Date
FR899711A true FR899711A (en) 1945-06-08

Family

ID=9392392

Family Applications (1)

Application Number Title Priority Date Filing Date
FR899711D Expired FR899711A (en) 1943-11-12 1943-11-12 Speaker diaphragms improvements

Country Status (1)

Country Link
FR (1) FR899711A (en)

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