ATE515897T1 - Hörgerät mit miniaturlautsprecher - Google Patents

Hörgerät mit miniaturlautsprecher

Info

Publication number
ATE515897T1
ATE515897T1 AT07114753T AT07114753T ATE515897T1 AT E515897 T1 ATE515897 T1 AT E515897T1 AT 07114753 T AT07114753 T AT 07114753T AT 07114753 T AT07114753 T AT 07114753T AT E515897 T1 ATE515897 T1 AT E515897T1
Authority
AT
Austria
Prior art keywords
transducer
housing
hearing aid
loudspeaker
receiver
Prior art date
Application number
AT07114753T
Other languages
English (en)
Inventor
Van Halteren Aart Zeger
Original Assignee
Sonion Nederland Bv
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 Sonion Nederland Bv filed Critical Sonion Nederland Bv
Application granted granted Critical
Publication of ATE515897T1 publication Critical patent/ATE515897T1/de

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
    • H04R9/06—Loudspeakers
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • 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
    • H04R11/02—Loudspeakers
    • 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
    • H04R25/48—Electric hearing aids using constructional means for obtaining a desired frequency response
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B33—ADDITIVE MANUFACTURING TECHNOLOGY
    • B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y80/00—Products made by additive manufacturing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/026—Transducers having separately controllable opposing diaphragms, e.g. for ring-tone and voice
    • 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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/456—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback mechanically

Landscapes

  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Telephone Set Structure (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Adornments (AREA)
AT07114753T 2005-01-10 2006-01-09 Hörgerät mit miniaturlautsprecher ATE515897T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64264105P 2005-01-10 2005-01-10

Publications (1)

Publication Number Publication Date
ATE515897T1 true ATE515897T1 (de) 2011-07-15

Family

ID=35457526

Family Applications (2)

Application Number Title Priority Date Filing Date
AT07114753T ATE515897T1 (de) 2005-01-10 2006-01-09 Hörgerät mit miniaturlautsprecher
AT06000287T ATE502491T1 (de) 2005-01-10 2006-01-09 Montage eines elektroakustischen wandlers in schalen von persönlichen kommunikationsgeräten

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT06000287T ATE502491T1 (de) 2005-01-10 2006-01-09 Montage eines elektroakustischen wandlers in schalen von persönlichen kommunikationsgeräten

Country Status (6)

Country Link
US (1) US7822218B2 (de)
EP (2) EP1853091B9 (de)
CN (1) CN1838834B (de)
AT (2) ATE515897T1 (de)
DE (1) DE602006020645D1 (de)
DK (2) DK1853091T3 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007023055A1 (de) 2007-05-16 2008-11-27 Siemens Medical Instruments Pte. Ltd. Ohrstück für eine Hörvorrichtung mit Bajonettverschluss
EP2177046B2 (de) * 2007-08-14 2020-05-27 Insound Medical, Inc Kombinierte mikrophon- und empfängeranordnung für kanalhörgeräte mit längerer tragedauer
US8135163B2 (en) * 2007-08-30 2012-03-13 Klipsch Group, Inc. Balanced armature with acoustic low pass filter
US8160290B2 (en) 2007-09-04 2012-04-17 Sonion A/S Electroacoustic transducer having a slotted terminal structure for connection to a flexible wire, and an assembly of the same
WO2009075834A1 (en) * 2007-12-10 2009-06-18 Klipsch, Llc In-ear headphones
US20090296971A1 (en) * 2008-05-29 2009-12-03 Siemens Hearing Instruments, Inc. Hearing Instrument Receiver With Improved Low-Frequency Efficiency
US8774435B2 (en) * 2008-07-23 2014-07-08 Asius Technologies, Llc Audio device, system and method
DE102008038213B8 (de) * 2008-08-18 2010-02-11 Siemens Medical Instruments Pte. Ltd. Hörhilfegerät mit einer Wandlerschutzeinrichtung
DE102009008376A1 (de) * 2009-02-11 2010-08-12 Sennheiser Electronic Gmbh & Co. Kg Hörer
US8761424B2 (en) 2009-06-22 2014-06-24 Shure Acquisition Holdings, Inc. Earphone sleeve assembly having integral barrier
DK2285136T3 (da) * 2009-07-15 2016-01-25 Sivantos Pte Ltd Høreapparat med udskiftelig telefon
DK2293600T3 (en) * 2009-07-27 2017-08-28 Sivantos Pte Ltd Processing unit and receiving unit for a hearing aid and hearing aid
WO2012006383A1 (en) * 2010-07-08 2012-01-12 Siemens Hearing Instruments, Inc. Receiver pocket for an in-the-ear hearing instrument
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
US8712084B2 (en) 2010-12-07 2014-04-29 Sonion Nederland Bv Motor assembly
US20120161258A1 (en) * 2010-12-28 2012-06-28 Loeppert Peter V Package with a cmos die positioned underneath a mems die
WO2012103935A1 (en) * 2011-02-01 2012-08-09 Phonak Ag Hearing device with a receiver module and method for manufacturing a receiver module
US9357287B2 (en) 2011-07-07 2016-05-31 Sonion Nederland B.V. Multiple receiver assembly and a method for assembly thereof
NL2007136C2 (nl) 2011-07-18 2013-01-21 Exsilent Res Bv Luisterondersteuningsinrichting, in het bijzonder een hoortoestel, alsmede een samendrukbare huls voor toepassing daarmee.
WO2013050183A1 (en) * 2011-10-05 2013-04-11 Siemens Medical Instruments Pte. Ltd. A hearing instrument adapted to hold an exchangeable receiver into the housing and a method for making the hearing instrument
US8682016B2 (en) 2011-11-23 2014-03-25 Insound Medical, Inc. Canal hearing devices and batteries for use with same
US8761423B2 (en) 2011-11-23 2014-06-24 Insound Medical, Inc. Canal hearing devices and batteries for use with same
US9319817B2 (en) 2011-12-23 2016-04-19 Sonova Ag Tip-plate assembly, hearing device with a tip-plate assembly and method of manufacturing a hearing device with a tip-plate assembly
DK2654322T3 (da) * 2012-04-20 2016-12-05 Sivantos Pte Ltd Høreinstrument med lydslange-stikforbindelse
DK2723102T3 (da) 2012-10-18 2019-01-02 Sonion Nederland Bv Transducer, høreapparat med transducer og en fremgangsmåde til betjening af transduceren
DK2723098T3 (en) 2012-10-18 2017-03-13 Sonion Nederland Bv Double transducer with common membrane
US8942399B2 (en) 2012-11-19 2015-01-27 Starkey Laboratories, Inc. Methods for wideband receiver and module for a hearing assistance device
US9807525B2 (en) 2012-12-21 2017-10-31 Sonion Nederland B.V. RIC assembly with thuras tube
EP2750413B1 (de) * 2012-12-28 2017-02-22 Sonion Nederland B.V. Hörgerät
US9401575B2 (en) 2013-05-29 2016-07-26 Sonion Nederland Bv Method of assembling a transducer assembly
TWI558224B (zh) * 2013-09-13 2016-11-11 宏碁股份有限公司 麥克風模組與電子裝置
DK2849463T3 (en) * 2013-09-16 2018-06-25 Sonion Nederland Bv Transducer with moisture transporting element
EP2908551A1 (de) 2014-02-14 2015-08-19 Sonion Nederland B.V. Verbinder für eine Empfängeranordnung
US10021498B2 (en) 2014-02-18 2018-07-10 Sonion A/S Method of manufacturing assemblies for hearing aids
EP2914018B1 (de) 2014-02-26 2016-11-09 Sonion Nederland B.V. Lautsprecher, verankerung und verfahren
DK2928207T3 (en) 2014-04-02 2018-09-17 Sonion Nederland Bv Curved luminaire transducer
US9578430B2 (en) 2014-04-10 2017-02-21 Gn Hearing A/S Hearing aid
DK201470199A1 (en) * 2014-04-10 2015-10-26 Gn Resound As A hearing aid with replacable receiver
US9386383B2 (en) 2014-04-10 2016-07-05 Gn Resound A/S Hearing aid receiver and a hearing aid comprising such a receiver
US9392385B2 (en) 2014-04-10 2016-07-12 Gn Resound A/S Hearing aid
EP2953380A1 (de) 2014-06-04 2015-12-09 Sonion Nederland B.V. Akustische Übersprechkompensation
DK3041263T3 (en) 2014-12-30 2022-04-11 Sonion Nederland Bv Hybrid receiver module
US10009693B2 (en) 2015-01-30 2018-06-26 Sonion Nederland B.V. Receiver having a suspended motor assembly
DK3057339T3 (da) 2015-02-10 2021-01-04 Sonion Nederland Bv Mikrofonmodul med fælles midterste lydindgangsanordning
EP3073765B1 (de) 2015-03-25 2022-08-17 Sonion Nederland B.V. Anordnung eines hörers in einem gehörgang mit einer membran und einer kabelverbindung
EP3073764B1 (de) 2015-03-25 2021-04-21 Sonion Nederland B.V. Hörgerät mit einem einsatzelement
DK3133829T3 (da) 2015-08-19 2020-06-22 Sonion Nederland Bv Lydgiverenhed med forbedret frekvensrespons
US10433077B2 (en) 2015-09-02 2019-10-01 Sonion Nederland B.V. Augmented hearing device
US9668065B2 (en) 2015-09-18 2017-05-30 Sonion Nederland B.V. Acoustical module with acoustical filter
DK3157270T3 (da) 2015-10-14 2021-06-21 Sonion Nederland Bv Høreaggregat med vibrationsfølsom transducer
EP3160157B1 (de) 2015-10-21 2018-09-26 Sonion Nederland B.V. Vibrationskompensierte vibroakustische anordnung
EP3177037B1 (de) 2015-12-04 2020-09-30 Sonion Nederland B.V. Balanced armature wandler mit bistabiler balanced armature
EP3185584B1 (de) 2015-12-21 2020-04-22 Sonion Nederland B.V. Receiver-anordnung mit ausgeprägter längsrichtung
EP3197046B1 (de) 2016-01-25 2021-04-14 Sonion Nederland B.V. Selbstvorspannender ausgangsboosterverstärker und verwendung davon
EP3200479A3 (de) 2016-01-28 2017-08-30 Sonion Nederland B.V. Elektrostatischer schallgenerator und anordnung mit elektrostatischem schallgenerator und transformator
US10021472B2 (en) 2016-04-13 2018-07-10 Sonion Nederland B.V. Dome for a personal audio device
US10078097B2 (en) 2016-06-01 2018-09-18 Sonion Nederland B.V. Vibration or acceleration sensor applying squeeze film damping
DE20164885T1 (de) 2016-08-02 2020-12-24 Sonion Nederland B.V. Vibrationssensor mit niederfrequenter dämpfungsreaktionskurve
EP3826326A1 (de) 2016-09-12 2021-05-26 Sonion Nederland B.V. Empfänger mit integrierter membranbewegungsdetektion
US10425714B2 (en) 2016-10-19 2019-09-24 Sonion Nederland B.V. Ear bud or dome
US20180145643A1 (en) 2016-11-18 2018-05-24 Sonion Nederland B.V. Circuit for providing a high and a low impedance and a system comprising the circuit
US10327072B2 (en) 2016-11-18 2019-06-18 Sonion Nederland B.V. Phase correcting system and a phase correctable transducer system
US10264361B2 (en) 2016-11-18 2019-04-16 Sonion Nederland B.V. Transducer with a high sensitivity
EP3324538A1 (de) 2016-11-18 2018-05-23 Sonion Nederland B.V. Messschaltung mit einer verstärkerschaltung
EP3337184B1 (de) 2016-12-14 2020-03-25 Sonion Nederland B.V. Anker und wandler mit dem anker
US10405085B2 (en) 2016-12-16 2019-09-03 Sonion Nederland B.V. Receiver assembly
EP3337191B1 (de) 2016-12-16 2021-05-19 Sonion Nederland B.V. Schallerzeugeranordnung
EP3343950A1 (de) 2016-12-28 2018-07-04 Sonion Nederland B.V. Magnetanordnung
DK3343956T3 (en) 2016-12-30 2021-05-03 Sonion Nederland Bv A circuit and a receiver comprising the circuit
EP3342749A3 (de) 2016-12-30 2018-09-12 Sonion Nederland B.V. Mikroelektromechanischer wandler
EP3407626B1 (de) 2017-05-26 2020-06-24 Sonion Nederland B.V. Empfängeranordnung mit einer armatur und einem diaphragma
DK3407625T3 (en) 2017-05-26 2021-07-12 Sonion Nederland Bv Receiver with venting opening
DE102017114008A1 (de) 2017-06-23 2018-12-27 USound GmbH In-Ohr Hörer
EP3429231B1 (de) 2017-07-13 2023-01-25 Sonion Nederland B.V. Hörgerät mit einrichtung zur vibrationsvermeidung
US10820104B2 (en) 2017-08-31 2020-10-27 Sonion Nederland B.V. Diaphragm, a sound generator, a hearing device and a method
EP3451688B1 (de) 2017-09-04 2021-05-26 Sonion Nederland B.V. Schallerzeuger, abschirmung und öffnung
GB201714956D0 (en) 2017-09-18 2017-11-01 Sonova Ag Hearing device with adjustable venting
EP3471437B1 (de) 2017-10-16 2020-12-23 Sonion Nederland B.V. Ventil, wandler mit einem ventil, hörgerät und verfahren
EP4203497A3 (de) 2017-10-16 2023-11-15 Sonion Nederland B.V. Persönliches hörgerät
CN109672963B (zh) 2017-10-16 2021-04-30 声扬荷兰有限公司 具有阀的声道元件和具有声道元件的换能器
DK3567873T3 (en) 2018-02-06 2021-11-15 Sonion Nederland Bv Method for controlling an acoustic valve of a hearing device
EP3531713B1 (de) 2018-02-26 2022-11-02 Sonion Nederland B.V. Miniaturlautsprecher mit akustischer masse
EP3531720B1 (de) 2018-02-26 2021-09-15 Sonion Nederland B.V. Anordnung aus einem empfänger und einem mikrofon
DK3537731T3 (da) 2018-03-09 2021-06-21 Oticon As Højttalerenhed til et høreapparatssystem og et høreapparatssystem
EP3995795A1 (de) 2018-04-30 2022-05-11 Sonion Nederland B.V. Vibrationssensor
EP3579578B1 (de) 2018-06-07 2022-02-23 Sonion Nederland B.V. Miniaturempfänger
US10951169B2 (en) 2018-07-20 2021-03-16 Sonion Nederland B.V. Amplifier comprising two parallel coupled amplifier units
EP3627856B1 (de) 2018-09-19 2023-10-25 Sonion Nederland B.V. Gehäuse mit einem sensor
EP3672277B1 (de) 2018-12-19 2024-04-03 Sonion Nederland B.V. Miniaturlautsprecher mit mehreren schallhohlräumen
EP3675522A1 (de) 2018-12-28 2020-07-01 Sonion Nederland B.V. Miniaturlautsprecher ohne wesentliche akustische leckage
US11190880B2 (en) 2018-12-28 2021-11-30 Sonion Nederland B.V. Diaphragm assembly, a transducer, a microphone, and a method of manufacture
US11533573B2 (en) * 2018-12-31 2022-12-20 Knowles Electronics, Llc Receiver housing with integrated sensors for hearing device
EP3726855B1 (de) 2019-04-15 2021-09-01 Sonion Nederland B.V. Persönliches hörgerät mit entlüftungskanal und akustischer trennung
CN110267180B (zh) * 2019-07-26 2020-10-20 维沃移动通信（杭州）有限公司 电子设备
EP3806494B1 (de) 2019-10-07 2023-12-27 Sonion Nederland B.V. Hörgerät mit einem optischen sensor
US11523204B2 (en) 2021-03-19 2022-12-06 Iyo Inc. Ear-mountable listening device with multiple transducers
US12138075B2 (en) 2022-11-07 2024-11-12 Knowles Electronics, Llc Ear-worn hearing device
US20260222731A1 (en) * 2022-12-23 2026-07-30 Widex A/S Microphone comprising an outer housing
EP4456551A1 (de) * 2023-04-24 2024-10-30 GN Audio A/S Hörgerät mit einer trennwand

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3048920A (en) 1959-07-09 1962-08-14 Charles J Wheeler Tool for parting elongated fracturable members
US4109116A (en) 1977-07-19 1978-08-22 Victoreen John A Hearing aid receiver with plural transducers
CH664057A5 (de) * 1984-02-27 1988-01-29 Phonak Ag Hoergeraet.
CA1221315A (en) * 1984-10-19 1987-05-05 William J. Gastmeier Hearing aid wax guard
WO2000079835A1 (de) * 1999-06-16 2000-12-28 Phonak Ag Hinterohr-hörgerät
EP1257147B1 (de) * 2001-05-08 2004-12-29 Matsushita Electric Industrial Co., Ltd. Lautsprecher und Mobilendgerät
US6931140B2 (en) * 2001-09-11 2005-08-16 Sonionkirk A/S Electro-acoustic transducer with two diaphragms
DE10214189B4 (de) 2002-03-28 2004-04-22 Siemens Audiologische Technik Gmbh Vorrichtung zum Beschallen eines Trommelfells mit einer Cerumenschutzeinrichtung und Hörgerät
US7302748B2 (en) 2002-11-22 2007-12-04 Knowles Electronics, Llc Linkage assembly for an acoustic transducer
WO2004103018A2 (en) 2003-05-09 2004-11-25 Knowles Electronics, Llc Apparatus and method for generating acoustic energy in a receiver assembly

Also Published As

Publication number Publication date
CN1838834B (zh) 2012-12-05
EP1684544A3 (de) 2006-08-23
US20060153418A1 (en) 2006-07-13
EP1853091B1 (de) 2011-07-06
EP1684544A2 (de) 2006-07-26
ATE502491T1 (de) 2011-04-15
EP1853091A1 (de) 2007-11-07
DK1684544T3 (da) 2011-06-14
EP1853091B9 (de) 2012-02-15
US7822218B2 (en) 2010-10-26
CN1838834A (zh) 2006-09-27
DE602006020645D1 (de) 2011-04-28
EP1684544B1 (de) 2011-03-16
DK1853091T3 (da) 2011-10-24

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