SE9801413L - Elektroakustisk omvandlare med elektriskt ledande membran - Google Patents

Elektroakustisk omvandlare med elektriskt ledande membran

Info

Publication number
SE9801413L
SE9801413L SE9801413A SE9801413A SE9801413L SE 9801413 L SE9801413 L SE 9801413L SE 9801413 A SE9801413 A SE 9801413A SE 9801413 A SE9801413 A SE 9801413A SE 9801413 L SE9801413 L SE 9801413L
Authority
SE
Sweden
Prior art keywords
membrane
gap
elongated
pole pieces
magnetic
Prior art date
Application number
SE9801413A
Other languages
English (en)
Other versions
SE9801413D0 (sv
Inventor
Tomas Westermark
Erik Liljehag
Original Assignee
Tomas Westermark
Long Tall Ribbon Co Ab
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
Application filed by Tomas Westermark, Long Tall Ribbon Co Ab filed Critical Tomas Westermark
Priority to SE9801413A priority Critical patent/SE9801413L/sv
Publication of SE9801413D0 publication Critical patent/SE9801413D0/sv
Priority to AU42999/99A priority patent/AU4299999A/en
Priority to PCT/SE1999/000654 priority patent/WO1999055118A1/en
Publication of SE9801413L publication Critical patent/SE9801413L/sv

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
    • 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
    • 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
    • H04R9/046—Construction
    • H04R9/047—Construction in which the windings of the moving coil lay in the same plane
    • H04R9/048—Construction in which the windings of the moving coil lay in the same plane of the ribbon type

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
SE9801413A 1998-04-22 1998-04-22 Elektroakustisk omvandlare med elektriskt ledande membran SE9801413L (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9801413A SE9801413L (sv) 1998-04-22 1998-04-22 Elektroakustisk omvandlare med elektriskt ledande membran
AU42999/99A AU4299999A (en) 1998-04-22 1999-04-22 Electro-acoustic transducer with electrically conducting membrane
PCT/SE1999/000654 WO1999055118A1 (en) 1998-04-22 1999-04-22 Electro-acoustic transducer with electrically conducting membrane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9801413A SE9801413L (sv) 1998-04-22 1998-04-22 Elektroakustisk omvandlare med elektriskt ledande membran

Publications (2)

Publication Number Publication Date
SE9801413D0 SE9801413D0 (sv) 1998-04-22
SE9801413L true SE9801413L (sv) 1999-10-23

Family

ID=20411055

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9801413A SE9801413L (sv) 1998-04-22 1998-04-22 Elektroakustisk omvandlare med elektriskt ledande membran

Country Status (3)

Country Link
AU (1) AU4299999A (sv)
SE (1) SE9801413L (sv)
WO (1) WO1999055118A1 (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6834113B1 (en) 2000-03-03 2004-12-21 Erik Liljehag Loudspeaker system
SE0001461L (sv) * 2000-04-18 2001-10-19 Erik Liljehag Elektroakustisk omvandlare
JP5094404B2 (ja) 2004-10-21 2012-12-12 シュアー インコーポレイテッド リボン型音響変換器構造

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4384173A (en) * 1980-08-01 1983-05-17 Granus Corporation Electromagnetic planar diaphragm transducer
US5283836A (en) * 1989-09-22 1994-02-01 Trufitt Anthony L Planar speakers
US5430805A (en) * 1990-12-27 1995-07-04 Chain Reactions, Inc. Planar electromagnetic transducer

Also Published As

Publication number Publication date
AU4299999A (en) 1999-11-08
SE9801413D0 (sv) 1998-04-22
WO1999055118A1 (en) 1999-10-28

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