GB511920A - Improvements in or relating to vibrating members for electrodynamic loudspeakers or other vibration converters - Google Patents

Improvements in or relating to vibrating members for electrodynamic loudspeakers or other vibration converters

Info

Publication number
GB511920A
GB511920A GB2153/39A GB215339A GB511920A GB 511920 A GB511920 A GB 511920A GB 2153/39 A GB2153/39 A GB 2153/39A GB 215339 A GB215339 A GB 215339A GB 511920 A GB511920 A GB 511920A
Authority
GB
United Kingdom
Prior art keywords
coil former
coil
mould
fibrous material
jan
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
GB2153/39A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB511920A publication Critical patent/GB511920A/en
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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
GB2153/39A 1938-01-24 1939-01-21 Improvements in or relating to vibrating members for electrodynamic loudspeakers or other vibration converters Expired GB511920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE208381X 1938-01-24

Publications (1)

Publication Number Publication Date
GB511920A true GB511920A (en) 1939-08-25

Family

ID=5794205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2153/39A Expired GB511920A (en) 1938-01-24 1939-01-21 Improvements in or relating to vibrating members for electrodynamic loudspeakers or other vibration converters

Country Status (6)

Country Link
US (1) US2221068A (enrdf_load_stackoverflow)
BE (1) BE432333A (enrdf_load_stackoverflow)
CH (1) CH208381A (enrdf_load_stackoverflow)
FR (1) FR849298A (enrdf_load_stackoverflow)
GB (1) GB511920A (enrdf_load_stackoverflow)
NL (1) NL56193C (enrdf_load_stackoverflow)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB584354A (en) * 1944-12-08 1947-01-13 Harry Claude Willson Improvements relating to electro-dynamic reproducers or loud-speaking telephones of the moving coil type
DE915250C (de) * 1948-10-02 1954-07-19 Licentia Gmbh Trockengleichrichter, insbesondere fuer Messzwecke
DE854054C (de) * 1950-02-22 1952-10-30 Max Grundig Antriebs- und Zentriersystem fuer dynamische Lautsprecher, Mikrophone und Relais aus thermoplastischem Kunststoff
DE892145C (de) * 1950-06-06 1953-10-05 Helmut Hintze Zentriermembran, insbesondere fuer die Zentrierung akustischer Schwinger
US3014996A (en) * 1956-05-18 1961-12-26 Swanson Carl Axel Speaker construction
US2922850A (en) * 1957-01-28 1960-01-26 Gen Electric Loud-speaker
US3032615A (en) * 1960-02-02 1962-05-01 Rca Corp Acoustic devices
US3484730A (en) * 1968-03-07 1969-12-16 Us Navy Tunable high frequency electrodynamic driver
US5008945A (en) * 1988-05-23 1991-04-16 Pioneer Electronic Corp. Water-proof speaker unit
KR970007296B1 (ko) * 1989-04-19 1997-05-07 가부시끼가이샤 켄우드 스피커 배선 구조
US5249236A (en) * 1989-12-01 1993-09-28 Kabushiki Kaisha Kenwood Wiring structure of loudspeaker
EP0753238B1 (en) 1994-03-29 2003-05-07 Harman International Industries Incorporated Method of manufacturing a loudspeaker spider
DE9414836U1 (de) * 1994-09-13 1994-11-03 Blaupunkt-Werke Gmbh, 31139 Hildesheim Dynamischer Lautsprecher mit einer Zentriermembran
US20050111689A1 (en) * 2003-11-21 2005-05-26 True Technologies Inc. Loudspeaker with assembly and performance improvements
JP2005341294A (ja) * 2004-05-27 2005-12-08 Pioneer Electronic Corp スピーカ装置及びその製造方法
US7200240B2 (en) * 2004-07-02 2007-04-03 Hiroshi Ohara Loudspeaker spider with enhanced structure
US7379558B2 (en) * 2004-12-16 2008-05-27 Jl Audio, Inc. Loudspeaker with integrated spider standoff ring

Also Published As

Publication number Publication date
FR849298A (fr) 1939-11-17
NL56193C (enrdf_load_stackoverflow)
BE432333A (enrdf_load_stackoverflow)
CH208381A (de) 1940-01-31
US2221068A (en) 1940-11-12

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