FR678122A - Crossed-dihedral acoustic diffuser - Google Patents

Crossed-dihedral acoustic diffuser

Info

Publication number
FR678122A
FR678122A FR678122DA FR678122A FR 678122 A FR678122 A FR 678122A FR 678122D A FR678122D A FR 678122DA FR 678122 A FR678122 A FR 678122A
Authority
FR
France
Prior art keywords
dihedral
crossed
acoustic diffuser
diffuser
acoustic
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
Louis Lumiere
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 FR678122A publication Critical patent/FR678122A/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
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
FR678122D 1928-10-27 1928-10-27 Crossed-dihedral acoustic diffuser Expired FR678122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR678122T 1928-10-27

Publications (1)

Publication Number Publication Date
FR678122A true FR678122A (en) 1930-03-19

Family

ID=9020854

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678122D Expired FR678122A (en) 1928-10-27 1928-10-27 Crossed-dihedral acoustic diffuser

Country Status (1)

Country Link
FR (1) FR678122A (en)

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