NL28784C - - Google Patents

Info

Publication number
NL28784C
NL28784C NL28784DA NL28784C NL 28784 C NL28784 C NL 28784C NL 28784D A NL28784D A NL 28784DA NL 28784 C NL28784 C NL 28784C
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 NL28784C publication Critical patent/NL28784C/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
NL28784D 1929-06-20 NL28784C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2038401X 1929-06-20

Publications (1)

Publication Number Publication Date
NL28784C true NL28784C (en)

Family

ID=10896794

Family Applications (1)

Application Number Title Priority Date Filing Date
NL28784D NL28784C (en) 1929-06-20

Country Status (4)

Country Link
US (1) US2038401A (en)
BE (1) BE369111A (en)
FR (1) FR692281A (en)
NL (1) NL28784C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609463A (en) * 1948-10-26 1952-09-02 Fauthal A Hassan Electric actuating device
DE3622558A1 (en) * 1986-07-04 1988-01-14 Ant Nachrichtentech Arrangement with diaphragm for a sound transducer
US4933975A (en) * 1988-05-19 1990-06-12 Electro-Voice, Inc. Dynamic loudspeaker for producing high audio power
US6330340B1 (en) 1995-12-29 2001-12-11 Jl Audio, Inc. Loudspeaker with a diaphragm having integral vent bores
US6243479B1 (en) 1999-12-08 2001-06-05 Lucio Proni Loudspeaker having pole piece with integral vent bores
US6535613B1 (en) 1999-12-28 2003-03-18 Jl Audio, Inc. Air flow control device for loudspeaker
JP2006238077A (en) * 2005-02-25 2006-09-07 Pioneer Electronic Corp Speaker apparatus
US7715584B2 (en) * 2006-01-03 2010-05-11 Jl Audio, Inc. Loudspeaker with air deflector
GB2480058A (en) * 2010-05-04 2011-11-09 Tzu-Chung Chang Inner spider or damper arrangement for a loudspeaker

Also Published As

Publication number Publication date
BE369111A (en)
FR692281A (en) 1930-11-04
US2038401A (en) 1936-04-21

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