FR623338A - Perfectionnements aux diffuseurs - Google Patents

Perfectionnements aux diffuseurs

Info

Publication number
FR623338A
FR623338A FR623338DA FR623338A FR 623338 A FR623338 A FR 623338A FR 623338D A FR623338D A FR 623338DA FR 623338 A FR623338 A FR 623338A
Authority
FR
France
Prior art keywords
broadcasters
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
English (en)
Inventor
Paul Lipchits
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 FR623338A publication Critical patent/FR623338A/fr
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)
FR623338D 1926-10-20 1926-10-20 Perfectionnements aux diffuseurs Expired FR623338A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623338T 1926-10-20

Publications (1)

Publication Number Publication Date
FR623338A true FR623338A (fr) 1927-06-22

Family

ID=8986390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623338D Expired FR623338A (fr) 1926-10-20 1926-10-20 Perfectionnements aux diffuseurs

Country Status (1)

Country Link
FR (1) FR623338A (fr)

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