FR692281A - Diaphragme accoustique perfectionné - Google Patents

Diaphragme accoustique perfectionné

Info

Publication number
FR692281A
FR692281A FR692281DA FR692281A FR 692281 A FR692281 A FR 692281A FR 692281D A FR692281D A FR 692281DA FR 692281 A FR692281 A FR 692281A
Authority
FR
France
Prior art keywords
acoustic diaphragm
advanced acoustic
advanced
diaphragm
acoustic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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.)
Filing date
Publication date
Application filed by Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR692281A publication Critical patent/FR692281A/fr
Expired legal-status Critical Current

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)
FR692281D 1929-06-20 1930-03-19 Diaphragme accoustique perfectionné Expired FR692281A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR692281A true FR692281A (fr) 1930-11-04

Family

ID=10896794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR692281D Expired FR692281A (fr) 1929-06-20 1930-03-19 Diaphragme accoustique perfectionné

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622558A1 (de) * 1986-07-04 1988-01-14 Ant Nachrichtentech Anordnung mit membran fuer einen schallwandler

Families Citing this family (8)

* 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
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 (ja) * 2005-02-25 2006-09-07 Pioneer Electronic Corp スピーカ装置
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3622558A1 (de) * 1986-07-04 1988-01-14 Ant Nachrichtentech Anordnung mit membran fuer einen schallwandler

Also Published As

Publication number Publication date
NL28784C (fr)
BE369111A (fr)
US2038401A (en) 1936-04-21

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