BE349785A - - Google Patents

Info

Publication number
BE349785A
BE349785A BE349785DA BE349785A BE 349785 A BE349785 A BE 349785A BE 349785D A BE349785D A BE 349785DA BE 349785 A BE349785 A BE 349785A
Authority
BE
Belgium
Application number
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.)
Publication of BE349785A publication Critical patent/BE349785A/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
BE349785D 1928-02-02 BE349785A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1808238X 1928-02-02

Publications (1)

Publication Number Publication Date
BE349785A true BE349785A (enrdf_load_stackoverflow)

Family

ID=3689007

Family Applications (1)

Application Number Title Priority Date Filing Date
BE349785D BE349785A (enrdf_load_stackoverflow) 1928-02-02

Country Status (3)

Country Link
US (1) US1808238A (enrdf_load_stackoverflow)
BE (1) BE349785A (enrdf_load_stackoverflow)
GB (1) GB311461A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2011077560A1 (ja) * 2009-12-25 2013-05-02 パイオニア株式会社 スピーカ用振動体、スピーカ装置

Also Published As

Publication number Publication date
GB311461A (en) 1929-05-13
US1808238A (en) 1931-06-02

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