FR664827A - Double membrane diffuser - Google Patents

Double membrane diffuser

Info

Publication number
FR664827A
FR664827A FR664827DA FR664827A FR 664827 A FR664827 A FR 664827A FR 664827D A FR664827D A FR 664827DA FR 664827 A FR664827 A FR 664827A
Authority
FR
France
Prior art keywords
double membrane
membrane diffuser
diffuser
double
membrane
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
Antoine-Joseph Veyssiere
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 FR664827A publication Critical patent/FR664827A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR664827D 1928-11-29 1928-11-29 Double membrane diffuser Expired FR664827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR664827T 1928-11-29

Publications (1)

Publication Number Publication Date
FR664827A true FR664827A (en) 1929-09-09

Family

ID=9012904

Family Applications (1)

Application Number Title Priority Date Filing Date
FR664827D Expired FR664827A (en) 1928-11-29 1928-11-29 Double membrane diffuser

Country Status (1)

Country Link
FR (1) FR664827A (en)

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