BE345157A - - Google Patents

Info

Publication number
BE345157A
BE345157A BE345157DA BE345157A BE 345157 A BE345157 A BE 345157A BE 345157D A BE345157D A BE 345157DA BE 345157 A BE345157 A BE 345157A
Authority
BE
Belgium
Prior art keywords
diaphragm
vibrating
diaphragms
tubular
cylinder
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE345157A publication Critical patent/BE345157A/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
BE345157D BE345157A (cs)

Publications (1)

Publication Number Publication Date
BE345157A true BE345157A (cs)

Family

ID=21228

Family Applications (1)

Application Number Title Priority Date Filing Date
BE345157D BE345157A (cs)

Country Status (1)

Country Link
BE (1) BE345157A (cs)

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