CA1318965C - Shallow loudspeaker with slotted magnet structure - Google Patents

Shallow loudspeaker with slotted magnet structure

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)
French (fr)
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/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04R9/045—Mounting
    • 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
    • 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
    • H04R9/025—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)
CA000613041A 1988-11-07 1989-09-25 Shallow loudspeaker with slotted magnet structure Expired - Fee Related CA1318965C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US268,376 1988-11-07
US26837688A 1988-11-17 1988-11-17

Publications (1)

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

Family

ID=23022723

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000613041A Expired - Fee Related CA1318965C (en) 1988-11-07 1989-09-25 Shallow loudspeaker with slotted magnet structure

Country Status (8)

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

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
DE60038247T2 (de) * 2000-01-27 2009-03-19 Nxp B.V. Elektroakustischer wandler mit einer membrane mit spulenmontagevorsprüngen und zwischenliegenden stabilisierenden wänden
EP1229759B1 (en) 2000-09-04 2008-10-15 Matsushita Electric Industrial Co., Ltd. Speaker
WO2012038981A1 (en) * 2010-09-23 2012-03-29 Praveen Vallabhaneni Linear actuation loudspeaker driver

Family Cites Families (4)

* 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
JPS6068799A (ja) * 1984-07-30 1985-04-19 Matsushita Electric Ind Co Ltd スピ−カ
EP0356433A4 (en) * 1987-04-08 1991-07-10 Harman International Industries, Incorporated Shallow loudspeaker

Also Published As

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

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Legal Events

Date Code Title Description
MKLA Lapsed