NL21086C - - Google Patents

Info

Publication number
NL21086C
NL21086C NL21086DA NL21086C NL 21086 C NL21086 C NL 21086C NL 21086D A NL21086D A NL 21086DA NL 21086 C NL21086 C NL 21086C
Authority
NL
Netherlands
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 NL21086C publication Critical patent/NL21086C/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
    • 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)
  • Diaphragms For Electromechanical Transducers (AREA)
NL21086D 1925-12-22 NL21086C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263480XA 1925-12-22 1925-12-22

Publications (1)

Publication Number Publication Date
NL21086C true NL21086C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=21831303

Family Applications (1)

Application Number Title Priority Date Filing Date
NL21086D NL21086C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1925-12-22

Country Status (2)

Country Link
GB (1) GB263480A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (1) NL21086C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2127650A (en) * 1982-08-07 1984-04-11 Univ Liverpool Moving coil loudspeaker

Also Published As

Publication number Publication date
GB263480A (en) 1927-09-13

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