DK1216601T3 - Membrantransducer - Google Patents

Membrantransducer

Info

Publication number
DK1216601T3
DK1216601T3 DK00960360T DK00960360T DK1216601T3 DK 1216601 T3 DK1216601 T3 DK 1216601T3 DK 00960360 T DK00960360 T DK 00960360T DK 00960360 T DK00960360 T DK 00960360T DK 1216601 T3 DK1216601 T3 DK 1216601T3
Authority
DK
Denmark
Prior art keywords
planar
diaphragm
magnets
conductors
planar region
Prior art date
Application number
DK00960360T
Other languages
English (en)
Inventor
Nils Peter Reenberg
Original Assignee
Nanonord As
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 Nanonord As filed Critical Nanonord As
Application granted granted Critical
Publication of DK1216601T3 publication Critical patent/DK1216601T3/da

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Surgical Instruments (AREA)
  • Measuring Fluid Pressure (AREA)
  • Magnetic Heads (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
DK00960360T 1999-09-14 2000-09-13 Membrantransducer DK1216601T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA199901294 1999-09-14
PCT/DK2000/000504 WO2001020949A1 (en) 1999-09-14 2000-09-13 Diaphragm transducer

Publications (1)

Publication Number Publication Date
DK1216601T3 true DK1216601T3 (da) 2003-10-13

Family

ID=8103230

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00960360T DK1216601T3 (da) 1999-09-14 2000-09-13 Membrantransducer

Country Status (7)

Country Link
US (1) US7116796B1 (da)
EP (1) EP1216601B1 (da)
AT (1) ATE243405T1 (da)
AU (1) AU7269500A (da)
DE (1) DE60003440T2 (da)
DK (1) DK1216601T3 (da)
WO (1) WO2001020949A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003032678A2 (en) * 2001-10-09 2003-04-17 Frank Joseph Pompei Ultrasonic transducer for parametric array
DK175977B1 (da) * 2004-01-28 2005-10-10 Acoustic Reality Aps Akustisk transducer med bånd
US7894619B2 (en) * 2004-10-21 2011-02-22 Shure Incorporated Acoustic ribbon transducer arrangements
JP4902784B2 (ja) * 2008-03-31 2012-03-21 三菱電機エンジニアリング株式会社 電磁変換器
JPWO2010073839A1 (ja) * 2008-12-25 2012-06-14 三洋電機株式会社 スピーカユニットおよび携帯情報端末
CN102246540B (zh) * 2008-12-25 2014-08-06 三洋电机株式会社 扬声器单元及便携式信息终端
WO2010073840A1 (ja) * 2008-12-25 2010-07-01 三洋電機株式会社 スピーカユニットおよび携帯情報端末
US8718317B2 (en) * 2011-05-19 2014-05-06 Zonghan Wu Moving-magnet electromagnetic device with planar coil

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4354066A (en) * 1980-09-15 1982-10-12 Necoechea Robert W Rigid-diaphragm transducer with plural coils
US4491698A (en) * 1982-06-17 1985-01-01 David A. Larson Electro-acoustic transducer with diaphragm and blank therefor
GB2137047A (en) 1983-03-15 1984-09-26 Donald Maynard Chave Moving coil loudspeakers
US4939784A (en) * 1988-09-19 1990-07-03 Bruney Paul F Loudspeaker structure
US5195143A (en) 1991-05-31 1993-03-16 Apogee Acoustics, Inc. Acoustical ribbon transducer loudspeaker system
JP2592066Y2 (ja) 1992-03-31 1999-03-17 株式会社ケンウッド スピーカ
US5627903A (en) * 1993-10-06 1997-05-06 Chain Reactions, Inc. Variable geometry electromagnetic transducer
WO1998020705A1 (en) * 1996-11-08 1998-05-14 Cerwin Vega, Inc. Improved suspension for high power pleated ribbon transducer

Also Published As

Publication number Publication date
DE60003440T2 (de) 2004-04-29
DE60003440D1 (de) 2003-07-24
WO2001020949A1 (en) 2001-03-22
US7116796B1 (en) 2006-10-03
AU7269500A (en) 2001-04-17
EP1216601A1 (en) 2002-06-26
EP1216601B1 (en) 2003-06-18
ATE243405T1 (de) 2003-07-15

Similar Documents

Publication Publication Date Title
DE60201885D1 (de) Elektroakustischer wandler
ATE516673T1 (de) Aktuator/generator-wandleranordnung
EP1018209A4 (en) Solenoid valve with permanent magnet
AU1194199A (en) Single dipole permanent magnet structure with linear gradient magnetic field intensity
GB9925171D0 (en) Magnet with improved access
DK1216601T3 (da) Membrantransducer
DE50013213D1 (de) Elektromagnetischer Auslöser
DE60040223D1 (de) Elektrisch betriebene stimmgabel
ATE553373T1 (de) Elektromagnetischer akustischer wandler
WO2004007957A3 (fr) Propulseur plasmique a effet hall
ATE525782T1 (de) Lineare antriebseinrichtung mit einem einen magnetträger aufweisenden ankerkörper
TW200511688A (en) Stepping motor
DE50312503D1 (de) Elektrodennadel
Nethe et al. Ferrofluid driven actuator for a left ventricular assist device
TW200608669A (en) Stator structure
SE0104378D0 (sv) Elektrisk anordning
CN204835985U (zh) 永磁感应磁力定位机构
DE60133737D1 (da)
ATE361548T1 (de) Zerstäubungsvorrichtung mit einer kathode mit permanentmagnetanordnung
ITSV980069A0 (it) Gabbia di faraday, in particolare per applicazioni in risonanza magnetica nucleare.
DE50010878D1 (de) Stromsensor
CN208572416U (zh) 一种有效降低磁阻的扬声器用磁路
ITSV980068A0 (it) Gabbia di faraday, in particolare per applicazioni in risonanza magnetica nucleare.
DE69604888D1 (de) Ablenkeinheit mit zeilenausgleichspule
JPS57102004A (en) Polar electromagnet