CA2309209A1 - Moving-coil loudspeaker - Google Patents

Moving-coil loudspeaker Download PDF

Info

Publication number
CA2309209A1
CA2309209A1 CA002309209A CA2309209A CA2309209A1 CA 2309209 A1 CA2309209 A1 CA 2309209A1 CA 002309209 A CA002309209 A CA 002309209A CA 2309209 A CA2309209 A CA 2309209A CA 2309209 A1 CA2309209 A1 CA 2309209A1
Authority
CA
Canada
Prior art keywords
magnetic body
frame
moving
diaphragm
coil loudspeaker
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.)
Abandoned
Application number
CA002309209A
Other languages
English (en)
French (fr)
Inventor
Francesco Di Summa
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.)
MACKLAINE DI FRANCESCO DI SUMMA E C SNC
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11342632&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2309209(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2309209A1 publication Critical patent/CA2309209A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Support Of Aerials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA002309209A 1997-11-06 1998-11-06 Moving-coil loudspeaker Abandoned CA2309209A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT97BO000658A IT1296539B1 (it) 1997-11-06 1997-11-06 Altoparlante a bobina mobile.
ITBO97A000658 1997-11-06
PCT/IT1998/000310 WO1999025149A2 (en) 1997-11-06 1998-11-06 Moving-coil loudspeaker

Publications (1)

Publication Number Publication Date
CA2309209A1 true CA2309209A1 (en) 1999-05-20

Family

ID=11342632

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002309209A Abandoned CA2309209A1 (en) 1997-11-06 1998-11-06 Moving-coil loudspeaker

Country Status (11)

Country Link
EP (1) EP1040727B1 (de)
JP (1) JP2001523079A (de)
KR (1) KR20010031843A (de)
CN (1) CN1282502A (de)
AT (1) ATE226384T1 (de)
AU (1) AU1257999A (de)
CA (1) CA2309209A1 (de)
DE (1) DE69808799T2 (de)
ES (1) ES2186239T3 (de)
IT (1) IT1296539B1 (de)
WO (1) WO1999025149A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009024566A1 (de) * 2009-06-08 2010-12-09 Norman Gerkinsmeyer Mittelsicke
GB2480058A (en) * 2010-05-04 2011-11-09 Tzu-Chung Chang Inner spider or damper arrangement for a loudspeaker
GB201721285D0 (en) * 2017-12-19 2018-01-31 Pss Belgium Nv Loudspeaker
CN115484530A (zh) * 2021-06-16 2022-12-16 北京小米移动软件有限公司 盆架组件、音频模组和电子设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4239943A (en) 1977-11-17 1980-12-16 Cerwin Vega, Inc. Adjustable dual spider for a loudspeaker
EP0039740B1 (de) * 1979-11-09 1985-06-26 Matsushita Electric Industrial Co., Ltd. Lautsprecher
JPS5838097A (ja) * 1981-08-28 1983-03-05 Hitachi Ltd スピ−カ・システム
NL8200416A (nl) * 1982-02-04 1983-09-01 Philips Nv Vlakmembraan omzetter en werkwijze voor het vervaardigen van een dergelijke omzetter.
US4737992A (en) 1985-11-15 1988-04-12 Bose Corporation Compact electroacoustical transducer with spider covering rear basket opening
EP0444034A1 (de) * 1988-10-03 1991-09-04 Harman International Industries, Incorporated Elektrodynamische transducer-struktur
DE4021000A1 (de) * 1990-07-02 1992-01-16 Hubertus Doepke Vorrichtung zur erzeugung von schallschwingungen mittels eines elektroakustischen wandlers
DE4130460A1 (de) * 1991-09-13 1993-03-18 Nokia Deutschland Gmbh Elektromagnetischer wandler

Also Published As

Publication number Publication date
KR20010031843A (ko) 2001-04-16
ITBO970658A1 (it) 1999-05-06
DE69808799T2 (de) 2003-07-03
ATE226384T1 (de) 2002-11-15
IT1296539B1 (it) 1999-07-09
JP2001523079A (ja) 2001-11-20
EP1040727B1 (de) 2002-10-16
DE69808799D1 (de) 2002-11-21
EP1040727A2 (de) 2000-10-04
AU1257999A (en) 1999-05-31
CN1282502A (zh) 2001-01-31
ES2186239T3 (es) 2003-05-01
WO1999025149A3 (en) 1999-07-22
ITBO970658A0 (it) 1997-11-06
WO1999025149A2 (en) 1999-05-20

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Legal Events

Date Code Title Description
FZDE Discontinued