BE334366A - - Google Patents

Info

Publication number
BE334366A
BE334366A BE334366DA BE334366A BE 334366 A BE334366 A BE 334366A BE 334366D A BE334366D A BE 334366DA BE 334366 A BE334366 A BE 334366A
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 BE334366A publication Critical patent/BE334366A/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)
BE334366D 1925-06-01 BE334366A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34255A US1630008A (en) 1925-06-01 1925-06-01 Cone-type loud speaker

Publications (1)

Publication Number Publication Date
BE334366A true BE334366A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=21875256

Family Applications (1)

Application Number Title Priority Date Filing Date
BE334366D BE334366A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1925-06-01

Country Status (6)

Country Link
US (1) US1630008A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
BE (1) BE334366A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1) DE551526C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR616148A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (2) GB261426A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL21057C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810447A (en) * 1955-05-31 1957-10-22 Ford Motor Co Rear seat speaker
US5418337A (en) * 1993-05-28 1995-05-23 Bose Corporation Loudspeaker driver surrounding

Also Published As

Publication number Publication date
NL21057C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR616148A (fr) 1927-01-24
DE551526C (de) 1932-06-02
GB252685A (en) 1927-06-02
US1630008A (en) 1927-05-24
GB261426A (en) 1927-04-21

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