DK0424916T3 - Magnetisk skærmet elektromagnetisk akustisk transducer - Google Patents

Magnetisk skærmet elektromagnetisk akustisk transducer

Info

Publication number
DK0424916T3
DK0424916T3 DK90120418.0T DK90120418T DK0424916T3 DK 0424916 T3 DK0424916 T3 DK 0424916T3 DK 90120418 T DK90120418 T DK 90120418T DK 0424916 T3 DK0424916 T3 DK 0424916T3
Authority
DK
Denmark
Prior art keywords
acoustic transducer
magnetically shielded
electromagnetic acoustic
shielded electromagnetic
magnetically
Prior art date
Application number
DK90120418.0T
Other languages
English (en)
Inventor
Elmer V Carlson
Original Assignee
Knowles Electronics 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
Application filed by Knowles Electronics Inc filed Critical Knowles Electronics Inc
Application granted granted Critical
Publication of DK0424916T3 publication Critical patent/DK0424916T3/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
    • H04R11/00—Transducers of moving-armature or moving-core type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/49—Reducing the effects of electromagnetic noise on the functioning of hearing aids, by, e.g. shielding, signal processing adaptation, selective (de)activation of electronic parts in hearing aid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/55—Electric hearing aids using an external connection, either wireless or wired
    • H04R25/554—Electric hearing aids using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
DK90120418.0T 1989-10-26 1990-10-24 Magnetisk skærmet elektromagnetisk akustisk transducer DK0424916T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/426,999 US4956868A (en) 1989-10-26 1989-10-26 Magnetically shielded electromagnetic acoustic transducer

Publications (1)

Publication Number Publication Date
DK0424916T3 true DK0424916T3 (da) 1995-11-20

Family

ID=23693068

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90120418.0T DK0424916T3 (da) 1989-10-26 1990-10-24 Magnetisk skærmet elektromagnetisk akustisk transducer

Country Status (6)

Country Link
US (1) US4956868A (da)
EP (1) EP0424916B1 (da)
JP (1) JPH03184500A (da)
CA (1) CA2027265C (da)
DE (1) DE69021165T2 (da)
DK (1) DK0424916T3 (da)

Families Citing this family (49)

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Publication number Priority date Publication date Assignee Title
US5193116A (en) * 1991-09-13 1993-03-09 Knowles Electronics, Inc. Hearing and output transducer with self contained amplifier
GB9222677D0 (en) * 1992-10-29 1992-12-09 Knowles Electronics Co Electroacoustic transducer
EP0716800A1 (en) * 1993-09-01 1996-06-19 Knowles Electronics, Inc. Receiver for a hearing aid
DE4343703C1 (de) * 1993-12-21 1995-01-05 Siemens Audiologische Technik Am Kopf tragbares Hörgerät
DE4343702C1 (de) * 1993-12-21 1995-03-09 Siemens Audiologische Technik Am Kopf tragbares Hörgerät
USRE43519E1 (en) 1995-11-13 2012-07-17 Acacia Patent Acquisition Corporation Electromagnetically protected hearing aids
US6031923A (en) * 1995-11-13 2000-02-29 Gnecco; Louis Thomas Electronmagnetically shielded hearing aids
US5740261A (en) * 1996-11-21 1998-04-14 Knowles Electronics, Inc. Miniature silicon condenser microphone
NL1004669C2 (nl) * 1996-12-02 1998-06-03 Microtronic Nederland Bv Transducer.
WO1999039843A1 (en) * 1998-02-06 1999-08-12 Namiki Seimitsu Houseki Kabushiki Kaisha Electromagnetic actuator and structure for mounting the same
US5960093A (en) * 1998-03-30 1999-09-28 Knowles Electronics, Inc. Miniature transducer
US6795424B1 (en) * 1998-06-30 2004-09-21 Tellabs Operations, Inc. Method and apparatus for interference suppression in orthogonal frequency division multiplexed (OFDM) wireless communication systems
US6658134B1 (en) 1999-08-16 2003-12-02 Sonionmicrotronic Nederland B.V. Shock improvement for an electroacoustic transducer
AU5405499A (en) * 1999-09-08 1999-11-16 Phonak Ag Energy storage unit, preferably for a hearing aid, method for charging said energy storage unit, and a device for carrying out the method
DE19954880C1 (de) * 1999-11-15 2001-01-25 Siemens Audiologische Technik Elektromagnetischer Wandler zur Schallerzeugung in Hörhilfen, insbesondere miniaturisierten elektronischen Hörgeräten
US20030031339A1 (en) * 2000-01-13 2003-02-13 Marshall Bowen F. Packaging and rf shielding for telecoils
US7006647B1 (en) * 2000-02-11 2006-02-28 Phonak Ag Hearing aid with a microphone system and an analog/digital converter module
US20020003890A1 (en) * 2000-05-09 2002-01-10 Daniel Warren Armature for a receiver
US7817815B2 (en) * 2000-05-09 2010-10-19 Knowles Electronics, Llc Armature for a receiver
US7065224B2 (en) 2001-09-28 2006-06-20 Sonionmicrotronic Nederland B.V. Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
WO2003088710A1 (en) * 2002-04-18 2003-10-23 Oticon A/S Electric to acoustic transducer for a hearing aid
US6952268B2 (en) * 2002-08-21 2005-10-04 Honeywell International Inc. Magnetic shield for a fiber optic gyroscope
US7072482B2 (en) 2002-09-06 2006-07-04 Sonion Nederland B.V. Microphone with improved sound inlet port
WO2007001235A1 (en) * 2005-06-25 2007-01-04 Siemens Audiologische Technik Gmbh A hearing aid device
DE102006043909B3 (de) * 2006-09-19 2008-04-17 Siemens Audiologische Technik Gmbh Hörer mit zusätzlicher Abschirmeinrichtung und Hörgerät mit diesem Hörer
JP4921197B2 (ja) * 2007-02-06 2012-04-25 スター精密株式会社 挿入型イヤホン
DK1962551T3 (da) * 2007-02-20 2014-07-14 Sonion Nederland Bv Lydgiver med bevægeligt armatur
EP1962550A3 (en) * 2007-02-20 2009-03-04 Sonion Nederland B.V. A moving armature receiver with reduced parasitic coupling
US8385573B2 (en) 2007-09-19 2013-02-26 Starkey Laboratories, Inc. System for hearing assistance device including receiver in the canal
CA2639555A1 (en) 2008-08-11 2008-12-15 Hyman Ngo High definition litho applique and emblems
US8781141B2 (en) 2008-08-27 2014-07-15 Starkey Laboratories, Inc. Modular connection assembly for a hearing assistance device
US8385583B2 (en) * 2008-08-29 2013-02-26 The Penn State Research Foundation Methods and apparatus for reduced distortion balanced armature devices
US8798299B1 (en) 2008-12-31 2014-08-05 Starkey Laboratories, Inc. Magnetic shielding for communication device applications
WO2010132425A2 (en) 2009-05-11 2010-11-18 Knowles Electronics, Llc Low axial vibration receiver armature and assembly
DK2278828T3 (da) 2009-07-23 2017-11-27 Starkey Labs Inc Fremgangsmåde og apparat til en isoleret elektromagnetisk afskærmning til anvendelse i høreapparater
US8549733B2 (en) 2010-07-09 2013-10-08 Shure Acquisition Holdings, Inc. Method of forming a transducer assembly
US8548186B2 (en) 2010-07-09 2013-10-01 Shure Acquisition Holdings, Inc. Earphone assembly
US8538061B2 (en) 2010-07-09 2013-09-17 Shure Acquisition Holdings, Inc. Earphone driver and method of manufacture
EP2469705B1 (en) 2010-12-21 2015-12-02 Sonion Nederland B.V. Generation of a supply voltage from output of a class-D audio amplifier
CN103975384A (zh) * 2011-09-09 2014-08-06 美商楼氏电子有限公司 用于声学装置的rf屏蔽
EP2864773A4 (en) * 2012-06-21 2016-05-25 Oceaneering Int Inc UNDERWATER INSPECTION SYSTEM AND METHOD
US20160119727A1 (en) * 2014-10-27 2016-04-28 Sidney A. Higgins Sinter bonded mu-metal receiver can
US9888322B2 (en) 2014-12-05 2018-02-06 Knowles Electronics, Llc Receiver with coil wound on a stationary ferromagnetic core
KR20160081641A (ko) * 2014-12-31 2016-07-08 도시바삼성스토리지테크놀러지코리아 주식회사 이어폰 및 이어폰 제작 방법
US9980029B2 (en) * 2015-03-25 2018-05-22 Sonion Nederland B.V. Receiver-in-canal assembly comprising a diaphragm and a cable connection
US10582303B2 (en) * 2015-12-04 2020-03-03 Sonion Nederland B.V. Balanced armature receiver with bi-stable balanced armature
KR101660867B1 (ko) * 2015-12-28 2016-09-28 주식회사 그린플러스 빌딩형 어류양식시스템
DE102018215411B3 (de) * 2018-09-11 2019-12-12 Audi Ag Verfahren zum gleichzeitigen Betreiben einer Lautsprecheranordnung in einer Lautsprecherfunktion und in einer Mikrofonfunktion sowie Lautsprecheranordnung
US11272282B2 (en) * 2019-05-30 2022-03-08 Bose Corporation Wearable audio device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111563A (en) * 1960-05-05 1963-11-19 Industrial Res Prod Inc Electro-mechanical transducer
NL121669C (da) * 1960-05-05
US3515818A (en) * 1962-01-23 1970-06-02 Tibbetts Industries Magnetic translating device
NL297347A (da) * 1962-09-19
US3560667A (en) * 1968-05-01 1971-02-02 Industrial Research Prod Inc Transducer having an armature arm split along its length
US3588383A (en) * 1970-02-09 1971-06-28 Industrial Research Prod Inc Miniature acoustic transducer of improved construction
US3671684A (en) * 1970-11-06 1972-06-20 Tibbetts Industries Magnetic transducer
US3935398A (en) * 1971-07-12 1976-01-27 Industrial Research Products, Inc. Transducer with improved armature and yoke construction
US4272654A (en) * 1979-01-08 1981-06-09 Industrial Research Products, Inc. Acoustic transducer of improved construction
US4430520A (en) * 1982-04-07 1984-02-07 Tibbetts Industries, Inc. Transducer shielding enclosure

Also Published As

Publication number Publication date
EP0424916A2 (en) 1991-05-02
CA2027265A1 (en) 1991-04-27
JPH03184500A (ja) 1991-08-12
DE69021165D1 (de) 1995-08-31
EP0424916A3 (en) 1992-07-01
EP0424916B1 (en) 1995-07-26
CA2027265C (en) 1993-09-21
DE69021165T2 (de) 1996-01-25
US4956868A (en) 1990-09-11

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