CA1318965C - Haut-parleur de faible hauteur avec structure d'aimant a fentes - Google Patents

Haut-parleur de faible hauteur avec structure d'aimant a fentes

Info

Publication number
CA1318965C
CA1318965C CA000613041A CA613041A CA1318965C CA 1318965 C CA1318965 C CA 1318965C CA 000613041 A CA000613041 A CA 000613041A CA 613041 A CA613041 A CA 613041A CA 1318965 C CA1318965 C CA 1318965C
Authority
CA
Canada
Prior art keywords
voice coil
air gap
diaphragm
ribs
axes
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 - Fee Related
Application number
CA000613041A
Other languages
English (en)
Inventor
William Neal House
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 International Industries Inc
Original Assignee
Harman International Industries 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23022723&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1318965(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Harman International Industries Inc filed Critical Harman International Industries Inc
Application granted granted Critical
Publication of CA1318965C publication Critical patent/CA1318965C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/04Construction, mounting, or centering of coil
    • H04R9/045Mounting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • H04R9/025Magnetic 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)
  • Toys (AREA)
CA000613041A 1988-11-07 1989-09-25 Haut-parleur de faible hauteur avec structure d'aimant a fentes Expired - Fee Related CA1318965C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26837688A 1988-11-07 1988-11-07
US268,376 1988-11-07

Publications (1)

Publication Number Publication Date
CA1318965C true CA1318965C (fr) 1993-06-08

Family

ID=23022723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000613041A Expired - Fee Related CA1318965C (fr) 1988-11-07 1989-09-25 Haut-parleur de faible hauteur avec structure d'aimant a fentes

Country Status (8)

Country Link
EP (1) EP0441881B1 (fr)
JP (1) JP2756037B2 (fr)
AU (1) AU620185B2 (fr)
CA (1) CA1318965C (fr)
DE (1) DE68914164T2 (fr)
DK (1) DK81391D0 (fr)
MX (1) MX170535B (fr)
WO (1) WO1990005435A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9210463U1 (de) * 1992-08-05 1992-10-22 Nokia (Deutschland) GmbH, 7530 Pforzheim Koaxiallautsprecheranordnung
ATE388601T1 (de) * 2000-01-27 2008-03-15 Nxp Bv Elektroakustischer wandler mit einer membrane mit spulenmontagevorsprüngen und zwischenliegenden stabilisierenden wänden
US6842529B2 (en) 2000-09-04 2005-01-11 Matsushita Electric Industrial Co., Ltd. Speaker
WO2012038981A1 (fr) * 2010-09-23 2012-03-29 Praveen Vallabhaneni Module d'excitation de haut-parleur linéaire

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527721A (en) * 1978-08-18 1980-02-28 Sony Corp Diaphragm for electroacoustic converter
JPS5627600A (en) * 1979-08-10 1981-03-17 Kanenori Kishi Magnetic circuit of moving coil type transducer
EP0356433A4 (en) * 1987-04-08 1991-07-10 Harman International Industries, Incorporated Shallow loudspeaker

Also Published As

Publication number Publication date
WO1990005435A1 (fr) 1990-05-17
DK81391A (da) 1991-05-01
MX170535B (es) 1993-08-30
EP0441881A4 (en) 1991-09-04
JPH04501643A (ja) 1992-03-19
AU620185B2 (en) 1992-02-13
DE68914164T2 (de) 1994-06-30
EP0441881B1 (fr) 1994-03-23
DK81391D0 (da) 1991-05-01
DE68914164D1 (de) 1994-04-28
JP2756037B2 (ja) 1998-05-25
EP0441881A1 (fr) 1991-08-21
AU4626889A (en) 1990-05-28

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Legal Events

Date Code Title Description
MKLA Lapsed