FR2441979A1 - SUSPENSION OF AN ACOUSTIC DIAPHRAGM - Google Patents

SUSPENSION OF AN ACOUSTIC DIAPHRAGM

Info

Publication number
FR2441979A1
FR2441979A1 FR7927958A FR7927958A FR2441979A1 FR 2441979 A1 FR2441979 A1 FR 2441979A1 FR 7927958 A FR7927958 A FR 7927958A FR 7927958 A FR7927958 A FR 7927958A FR 2441979 A1 FR2441979 A1 FR 2441979A1
Authority
FR
France
Prior art keywords
suspension
acoustic diaphragm
diaphragm
structures
pyramid
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.)
Granted
Application number
FR7927958A
Other languages
French (fr)
Other versions
FR2441979B1 (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.)
Harman Professional Inc
Original Assignee
James B Lansing Sound Inc
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 James B Lansing Sound Inc filed Critical James B Lansing Sound Inc
Publication of FR2441979A1 publication Critical patent/FR2441979A1/en
Application granted granted Critical
Publication of FR2441979B1 publication Critical patent/FR2441979B1/fr
Granted 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/207—Shape aspects of the outer suspension of loudspeaker diaphragms

Landscapes

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

Abstract

SUSPENSION REALISEE A L'AIDE D'UNE ZONE ANNULAIRE PRESENTANT DES STRUCTURES EN FORME DE PYRAMIDE. LE DIAPHRAGME 21 EST SUSPENDU AU CADRE SUPPORT 10 A L'AIDE D'UN ANNEAU 20 CONSTITUE DE STRUCTURES PYRAMIDALES 30.SUSPENSION REALIZED USING AN ANNULAR ZONE PRESENTING PYRAMID-SHAPED STRUCTURES. THE DIAPHRAGM 21 IS SUSPENDED TO THE SUPPORT FRAME 10 USING A RING 20 CONSISTING OF PYRAMIDAL STRUCTURES 30.

FR7927958A 1978-11-14 1979-11-13 SUSPENSION OF AN ACOUSTIC DIAPHRAGM Granted FR2441979A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US96059778A 1978-11-14 1978-11-14

Publications (2)

Publication Number Publication Date
FR2441979A1 true FR2441979A1 (en) 1980-06-13
FR2441979B1 FR2441979B1 (en) 1984-07-13

Family

ID=25503371

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7927958A Granted FR2441979A1 (en) 1978-11-14 1979-11-13 SUSPENSION OF AN ACOUSTIC DIAPHRAGM

Country Status (6)

Country Link
JP (1) JPS5567297A (en)
BE (1) BE879985A (en)
DE (1) DE2944445A1 (en)
FR (1) FR2441979A1 (en)
GB (1) GB2035008B (en)
NL (1) NL188882C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2348336A (en) * 1999-03-24 2000-09-27 Edwin William Form A suspension for diaphragm actuators
GB2374753B (en) 2001-01-29 2004-12-22 Goodmans Loudspeakers Ltd Loudspeaker suspension
GB2471884A (en) * 2009-07-17 2011-01-19 Gp Acoustics Loudspeaker driver surround with at least one stiffening tab
GB2560496B (en) * 2017-03-16 2021-09-29 Gp Acoustics Uk Ltd Loudspeaker driver surround

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB368926A (en) * 1931-01-29 1932-03-17 Victor Talking Machine Co Improvements in acoustic diaphragms
GB726780A (en) * 1952-01-19 1955-03-23 Cole E K Ltd Improvements in or relating to sound producing diaphragms
DE1003265B (en) * 1952-11-07 1957-02-28 Walter Kirbach Centering and holding parts of loudspeaker diaphragms and similar acoustic diaphragms

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873813A (en) * 1955-07-27 1959-02-17 Hawley Products Co Acoustic diaphragm and method of construction
US3198283A (en) * 1962-11-09 1965-08-03 Sierra Spun Metals Inc Loud speaker construction
JPS5548631Y2 (en) * 1975-07-21 1980-11-13
JPS5542552Y2 (en) * 1976-03-30 1980-10-06

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB368926A (en) * 1931-01-29 1932-03-17 Victor Talking Machine Co Improvements in acoustic diaphragms
GB726780A (en) * 1952-01-19 1955-03-23 Cole E K Ltd Improvements in or relating to sound producing diaphragms
DE1003265B (en) * 1952-11-07 1957-02-28 Walter Kirbach Centering and holding parts of loudspeaker diaphragms and similar acoustic diaphragms

Also Published As

Publication number Publication date
FR2441979B1 (en) 1984-07-13
NL188882C (en) 1992-10-16
NL7904338A (en) 1980-05-19
BE879985A (en) 1980-05-13
JPS644400B2 (en) 1989-01-25
GB2035008B (en) 1983-10-12
DE2944445A1 (en) 1980-05-29
GB2035008A (en) 1980-06-11
JPS5567297A (en) 1980-05-21

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Legal Events

Date Code Title Description
CD Change of name or company name