DK81391D0 - HOLE SPEAKERS WITH ANGLED MAGNETIC STRUCTURE - Google Patents

HOLE SPEAKERS WITH ANGLED MAGNETIC STRUCTURE

Info

Publication number
DK81391D0
DK81391D0 DK91813A DK81391A DK81391D0 DK 81391 D0 DK81391 D0 DK 81391D0 DK 91813 A DK91813 A DK 91813A DK 81391 A DK81391 A DK 81391A DK 81391 D0 DK81391 D0 DK 81391D0
Authority
DK
Denmark
Prior art keywords
speakers
hole
magnetic structure
angled magnetic
angled
Prior art date
Application number
DK91813A
Other languages
Danish (da)
Other versions
DK81391A (en
Inventor
William Neal House
Original Assignee
Harman Int Ind
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=DK81391(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Harman Int Ind filed Critical Harman Int Ind
Publication of DK81391D0 publication Critical patent/DK81391D0/en
Publication of DK81391A publication Critical patent/DK81391A/en

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)
DK081391A 1988-11-07 1991-05-01 HOLE SPEAKERS WITH ANGLED MAGNETIC STRUCTURE DK81391A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26837688A 1988-11-07 1988-11-07
PCT/US1989/004501 WO1990005435A1 (en) 1988-11-07 1989-10-12 Shallow loudspeaker with slotted magnet structure

Publications (2)

Publication Number Publication Date
DK81391D0 true DK81391D0 (en) 1991-05-01
DK81391A DK81391A (en) 1991-05-01

Family

ID=23022723

Family Applications (1)

Application Number Title Priority Date Filing Date
DK081391A DK81391A (en) 1988-11-07 1991-05-01 HOLE SPEAKERS WITH ANGLED MAGNETIC 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 Coaxial speaker arrangement
EP1228664B1 (en) * 2000-01-27 2008-03-05 Nxp B.V. Electroacoustic transducer having a diaphragm with coil mounting projections and interposed stabilizing walls
US6842529B2 (en) 2000-09-04 2005-01-11 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 (en) * 1984-07-30 1985-04-19 Matsushita Electric Ind Co Ltd Speaker
AU595703B2 (en) * 1987-04-08 1990-04-05 Harman International Industries Incorporated Shallow loudspeaker

Also Published As

Publication number Publication date
EP0441881A4 (en) 1991-09-04
EP0441881B1 (en) 1994-03-23
DK81391A (en) 1991-05-01
JPH04501643A (en) 1992-03-19
DE68914164T2 (en) 1994-06-30
MX170535B (en) 1993-08-30
AU4626889A (en) 1990-05-28
DE68914164D1 (en) 1994-04-28
CA1318965C (en) 1993-06-08
JP2756037B2 (en) 1998-05-25
AU620185B2 (en) 1992-02-13
EP0441881A1 (en) 1991-08-21
WO1990005435A1 (en) 1990-05-17

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment