FR651745A - Membrane for sound reproduction - Google Patents

Membrane for sound reproduction

Info

Publication number
FR651745A
FR651745A FR651745DA FR651745A FR 651745 A FR651745 A FR 651745A FR 651745D A FR651745D A FR 651745DA FR 651745 A FR651745 A FR 651745A
Authority
FR
France
Prior art keywords
membrane
sound reproduction
reproduction
sound
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
Hugo Sachs
Karl Locke
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 FR651745A publication Critical patent/FR651745A/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)
FR651745D 1928-03-24 1928-03-24 Membrane for sound reproduction Expired FR651745A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR651745T 1928-03-24

Publications (1)

Publication Number Publication Date
FR651745A true FR651745A (en) 1929-02-27

Family

ID=9004840

Family Applications (1)

Application Number Title Priority Date Filing Date
FR651745D Expired FR651745A (en) 1928-03-24 1928-03-24 Membrane for sound reproduction

Country Status (1)

Country Link
FR (1) FR651745A (en)

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