AU4626889A - Shallow loudspeaker with slotted magnet structure - Google Patents

Shallow loudspeaker with slotted magnet structure

Info

Publication number
AU4626889A
AU4626889A AU46268/89A AU4626889A AU4626889A AU 4626889 A AU4626889 A AU 4626889A AU 46268/89 A AU46268/89 A AU 46268/89A AU 4626889 A AU4626889 A AU 4626889A AU 4626889 A AU4626889 A AU 4626889A
Authority
AU
Australia
Prior art keywords
magnet structure
loudspeaker
shallow
slotted magnet
slotted
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
AU46268/89A
Other versions
AU620185B2 (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=AU4626889(A) "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
Publication of AU4626889A publication Critical patent/AU4626889A/en
Application granted granted Critical
Publication of AU620185B2 publication Critical patent/AU620185B2/en
Anticipated expiration legal-status Critical
Ceased 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)
AU46268/89A 1988-11-07 1989-10-12 Shallow loudspeaker with slotted magnet structure Ceased AU620185B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26837688A 1988-11-07 1988-11-07
US268376 1988-11-07

Publications (2)

Publication Number Publication Date
AU4626889A true AU4626889A (en) 1990-05-28
AU620185B2 AU620185B2 (en) 1992-02-13

Family

ID=23022723

Family Applications (1)

Application Number Title Priority Date Filing Date
AU46268/89A Ceased AU620185B2 (en) 1988-11-07 1989-10-12 Shallow loudspeaker with slotted magnet structure

Country Status (8)

Country Link
EP (1) EP0441881B1 (en)
JP (1) JP2756037B2 (en)
AU (1) AU620185B2 (en)
CA (1) CA1318965C (en)
DE (1) DE68914164T2 (en)
DK (1) DK81391A (en)
MX (1) MX170535B (en)
WO (1) WO1990005435A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9210463U1 (en) * 1992-08-05 1992-10-22 Nokia (Deutschland) Gmbh, 7530 Pforzheim, De
WO2001056330A2 (en) * 2000-01-27 2001-08-02 Koninklijke Philips Electronics N.V. Electroacoustic transducer having a diaphragm with coil mounting projections and interposed stabilizing walls
DE60136156D1 (en) 2000-09-04 2008-11-27 Matsushita Electric Ind 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 (en) * 1984-07-30 1985-04-19 Matsushita Electric Ind Co Ltd Speaker
EP0356433A4 (en) * 1987-04-08 1991-07-10 Harman International Industries, Incorporated Shallow loudspeaker

Also Published As

Publication number Publication date
CA1318965C (en) 1993-06-08
EP0441881A1 (en) 1991-08-21
DE68914164D1 (en) 1994-04-28
DK81391D0 (en) 1991-05-01
MX170535B (en) 1993-08-30
JPH04501643A (en) 1992-03-19
WO1990005435A1 (en) 1990-05-17
JP2756037B2 (en) 1998-05-25
DE68914164T2 (en) 1994-06-30
EP0441881A4 (en) 1991-09-04
EP0441881B1 (en) 1994-03-23
DK81391A (en) 1991-05-01
AU620185B2 (en) 1992-02-13

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired