DK167262B1 - Hoereapparat med traadloes fjernstyring - Google Patents

Hoereapparat med traadloes fjernstyring Download PDF

Info

Publication number
DK167262B1
DK167262B1 DK388185A DK388185A DK167262B1 DK 167262 B1 DK167262 B1 DK 167262B1 DK 388185 A DK388185 A DK 388185A DK 388185 A DK388185 A DK 388185A DK 167262 B1 DK167262 B1 DK 167262B1
Authority
DK
Denmark
Prior art keywords
hearing aid
signals
control
remote control
ultrasonic
Prior art date
Application number
DK388185A
Other languages
Danish (da)
English (en)
Other versions
DK388185A (da
DK388185D0 (da
Inventor
Dieter Busch
Friedrich Harless
Gerhard Krauss
Original Assignee
Siemens Ag
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=6244081&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK167262(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Ag filed Critical Siemens Ag
Publication of DK388185D0 publication Critical patent/DK388185D0/da
Publication of DK388185A publication Critical patent/DK388185A/da
Application granted granted Critical
Publication of DK167262B1 publication Critical patent/DK167262B1/da

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/558Remote control, e.g. of amplification, frequency
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Selective Calling Equipment (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
DK388185A 1984-08-28 1985-08-27 Hoereapparat med traadloes fjernstyring DK167262B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843431584 DE3431584A1 (de) 1984-08-28 1984-08-28 Hoerhilfegeraet
DE3431584 1984-08-28

Publications (3)

Publication Number Publication Date
DK388185D0 DK388185D0 (da) 1985-08-27
DK388185A DK388185A (da) 1986-03-01
DK167262B1 true DK167262B1 (da) 1993-09-27

Family

ID=6244081

Family Applications (1)

Application Number Title Priority Date Filing Date
DK388185A DK167262B1 (da) 1984-08-28 1985-08-27 Hoereapparat med traadloes fjernstyring

Country Status (6)

Country Link
US (1) US4845755A (fr)
EP (1) EP0175909B1 (fr)
JP (1) JPH0642760B2 (fr)
AT (1) ATE73288T1 (fr)
DE (2) DE3431584A1 (fr)
DK (1) DK167262B1 (fr)

Families Citing this family (109)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323788A1 (de) * 1983-07-01 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Hoerhilfegeraet
US4689819B1 (en) * 1983-12-08 1996-08-13 Knowles Electronics Inc Class D hearing aid amplifier
AT379929B (de) * 1984-07-18 1986-03-10 Viennatone Gmbh Hoergeraet
DE3527112A1 (de) * 1985-07-29 1987-01-29 Siemens Ag Hoerhilfegeraet
US4947432B1 (en) * 1986-02-03 1993-03-09 Programmable hearing aid
US4800884A (en) * 1986-03-07 1989-01-31 Richards Medical Company Magnetic induction hearing aid
EP0298323A1 (fr) * 1987-07-07 1989-01-11 Siemens Aktiengesellschaft Appareil aide ouie
DE3734946A1 (de) * 1987-10-15 1989-05-03 Siemens Ag Hoergeraet mit moeglichkeit zum telefonieren
US4920570A (en) * 1987-12-18 1990-04-24 West Henry L Modular assistive listening system
AU610705B2 (en) * 1988-03-30 1991-05-23 Diaphon Development A.B. Auditory prosthesis with datalogging capability
DE8816422U1 (fr) * 1988-05-06 1989-08-10 Siemens Ag, 1000 Berlin Und 8000 Muenchen, De
DE3900588A1 (de) * 1989-01-11 1990-07-19 Toepholm & Westermann Fernsteuerbares, programmierbares hoergeraetesystem
US5303306A (en) * 1989-06-06 1994-04-12 Audioscience, Inc. Hearing aid with programmable remote and method of deriving settings for configuring the hearing aid
FR2659009A1 (fr) * 1990-03-02 1991-09-06 Tari Roger Dispositif d'aide a l'audition comportant une prothese auditive implantee et autonome a conduction osseuse directe.
EP0469174B1 (fr) * 1990-08-02 1995-05-24 Siemens Audiologische Technik GmbH Procédé pour commander à distance une prothèse auditive
DE59008091D1 (de) * 1990-10-12 1995-02-02 Siemens Ag Hörgerät mit einem Datenspeicher.
EP0567535B1 (fr) * 1991-01-17 2003-08-13 ADELMAN, Roger A. Prothese auditive amelioree
US5630203A (en) * 1993-01-12 1997-05-13 Weinblatt; Lee S. Technique for surveying a radio or a television audience
EP0676909A1 (fr) * 1994-03-31 1995-10-11 Siemens Audiologische Technik GmbH Prothèse auditive programmable
DE4419901C2 (de) * 1994-06-07 2000-09-14 Siemens Audiologische Technik Hörhilfegerät
EP0712261A1 (fr) * 1994-11-10 1996-05-15 Siemens Audiologische Technik GmbH Prothèse auditive programmable
DK21096A (da) * 1995-03-01 1996-09-02 Siemens Audiologische Technik I øregangen bærbart, programmerbart høreapparat
JP2982672B2 (ja) * 1995-12-22 1999-11-29 日本電気株式会社 受信機とともに用いる外部機器、補聴器及び補聴システム
US6978159B2 (en) * 1996-06-19 2005-12-20 Board Of Trustees Of The University Of Illinois Binaural signal processing using multiple acoustic sensors and digital filtering
US6987856B1 (en) 1996-06-19 2006-01-17 Board Of Trustees Of The University Of Illinois Binaural signal processing techniques
DE29615554U1 (de) * 1996-09-06 1998-01-08 Tuerk & Tuerk Electronic Gmbh Hörgerät und Steuergerät zur Programmierung des Hörgerätes
WO1999039547A1 (fr) * 1998-01-28 1999-08-05 Richard Obler Procede permettant de stimuler un nerf avec un courant d'excitation variable et dispositif pour la production d'un courant d'excitation variable
US6201875B1 (en) 1998-03-17 2001-03-13 Sonic Innovations, Inc. Hearing aid fitting system
DK1104645T3 (da) * 1998-08-13 2003-06-02 Siemens Audiologische Technik Høreapparat med en indretning til undertrykkelse af elektromagnetiske støjsignaler samt fremgangsmåde til undertrykkelse af elektromagnetiske støjsignaler i høreapparater
US20060210104A1 (en) * 1998-10-28 2006-09-21 Insound Medical, Inc. Remote magnetic activation of hearing devices
US7016511B1 (en) * 1998-10-28 2006-03-21 Insound Medical, Inc. Remote magnetic activation of hearing devices
US6940988B1 (en) * 1998-11-25 2005-09-06 Insound Medical, Inc. Semi-permanent canal hearing device
JP3670180B2 (ja) * 1999-02-16 2005-07-13 有限会社ジーエムアンドエム 補聴器
AU4692100A (en) * 1999-04-30 2000-11-17 Knowles Electronics, Llc. Audio processor with ultrasonic control
US20020015506A1 (en) * 2000-03-13 2002-02-07 Songbird Hearing, Inc. Remote programming and control means for a hearing aid
DE60125553T2 (de) * 2000-05-10 2007-10-04 The Board Of Trustees For The University Of Illinois, Urbana Verfahren zur interferenzunterdrückung
US6760457B1 (en) * 2000-09-11 2004-07-06 Micro Ear Technology, Inc. Automatic telephone switch for hearing aid
US7248713B2 (en) 2000-09-11 2007-07-24 Micro Bar Technology, Inc. Integrated automatic telephone switch
US7043041B2 (en) * 2000-10-04 2006-05-09 Sonionmicrotronic Nederland B.V. Integrated telecoil amplifier with signal processing
US6748089B1 (en) 2000-10-17 2004-06-08 Sonic Innovations, Inc. Switch responsive to an audio cue
US6842647B1 (en) 2000-10-20 2005-01-11 Advanced Bionics Corporation Implantable neural stimulator system including remote control unit for use therewith
US7447325B2 (en) * 2002-09-12 2008-11-04 Micro Ear Technology, Inc. System and method for selectively coupling hearing aids to electromagnetic signals
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
US8284970B2 (en) 2002-09-16 2012-10-09 Starkey Laboratories Inc. Switching structures for hearing aid
US7512448B2 (en) 2003-01-10 2009-03-31 Phonak Ag Electrode placement for wireless intrabody communication between components of a hearing system
US7945064B2 (en) * 2003-04-09 2011-05-17 Board Of Trustees Of The University Of Illinois Intrabody communication with ultrasound
US7076072B2 (en) * 2003-04-09 2006-07-11 Board Of Trustees For The University Of Illinois Systems and methods for interference-suppression with directional sensing patterns
DE10356092B4 (de) * 2003-12-01 2008-04-03 Siemens Audiologische Technik Gmbh Hörgerät mit drahtlosem Übertragungssystem
US7283639B2 (en) * 2004-03-10 2007-10-16 Starkey Laboratories, Inc. Hearing instrument with data transmission interference blocking
US20050217925A1 (en) * 2004-04-01 2005-10-06 Benway Randy E Hearing protection device
US20070147628A1 (en) * 2004-04-01 2007-06-28 Benway Randy E Hearing protection device
US8295523B2 (en) 2007-10-04 2012-10-23 SoundBeam LLC Energy delivery and microphone placement methods for improved comfort in an open canal hearing aid
US7668325B2 (en) * 2005-05-03 2010-02-23 Earlens Corporation Hearing system having an open chamber for housing components and reducing the occlusion effect
US7867160B2 (en) 2004-10-12 2011-01-11 Earlens Corporation Systems and methods for photo-mechanical hearing transduction
US9774961B2 (en) 2005-06-05 2017-09-26 Starkey Laboratories, Inc. Hearing assistance device ear-to-ear communication using an intermediate device
US8041066B2 (en) 2007-01-03 2011-10-18 Starkey Laboratories, Inc. Wireless system for hearing communication devices providing wireless stereo reception modes
US8208642B2 (en) 2006-07-10 2012-06-26 Starkey Laboratories, Inc. Method and apparatus for a binaural hearing assistance system using monaural audio signals
GB0710685D0 (en) * 2007-06-05 2007-07-11 Qinetiq Ltd Data recorder
DK2208367T3 (da) 2007-10-12 2017-11-13 Earlens Corp Multifunktionssystem og fremgangsmåde til integreret lytning og kommunikation med støjannullering og feedback-håndtering
DK2495996T3 (da) * 2007-12-11 2019-07-22 Oticon As Fremgangsmåde til at måle kritisk forstærkning på et høreapparat
KR101568452B1 (ko) 2008-06-17 2015-11-20 이어렌즈 코포레이션 개별 전원과 신호 구성요소들을 구비한 광 전자-기계적 청력 디바이스
US8396239B2 (en) 2008-06-17 2013-03-12 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
KR101568451B1 (ko) 2008-06-17 2015-11-11 이어렌즈 코포레이션 결합된 전력 및 신호 구조를 갖는 광학 전기기계 듣기 장치
DK2342905T3 (en) 2008-09-22 2019-04-08 Earlens Corp BALANCED Luminaire Fittings and Methods of Hearing
EP2374287B1 (fr) * 2008-12-04 2018-02-14 Insound Medical, Inc Dispositif d'insertion pour appareils auditifs à insertion profonde dans le conduit auditif
WO2010141895A1 (fr) 2009-06-05 2010-12-09 SoundBeam LLC Systèmes d'implants acoustiques d'oreille moyenne optiquement couplés et procédés associés
US9544700B2 (en) 2009-06-15 2017-01-10 Earlens Corporation Optically coupled active ossicular replacement prosthesis
KR101833073B1 (ko) 2009-06-18 2018-02-27 이어렌즈 코포레이션 광학적으로 결합된 달팽이관 임플란트 시스템 및 방법
US8401214B2 (en) 2009-06-18 2013-03-19 Earlens Corporation Eardrum implantable devices for hearing systems and methods
DK2446646T3 (en) 2009-06-22 2019-02-04 Earlens Corp Hearing aid for coupling to the round window
CN102598715B (zh) 2009-06-22 2015-08-05 伊尔莱茵斯公司 光耦合骨传导设备、系统及方法
WO2010151647A2 (fr) 2009-06-24 2010-12-29 SoundBeam LLC Systèmes et procédés d'actionnement cochléaire à couplage optique
WO2010151636A2 (fr) 2009-06-24 2010-12-29 SoundBeam LLC Dispositifs et procédés de stimulation cochléaire optique
US8705783B1 (en) 2009-10-23 2014-04-22 Advanced Bionics Methods and systems for acoustically controlling a cochlear implant system
US9420385B2 (en) 2009-12-21 2016-08-16 Starkey Laboratories, Inc. Low power intermittent messaging for hearing assistance devices
US8792661B2 (en) * 2010-01-20 2014-07-29 Audiotoniq, Inc. Hearing aids, computing devices, and methods for hearing aid profile update
US8538049B2 (en) * 2010-02-12 2013-09-17 Audiotoniq, Inc. Hearing aid, computing device, and method for selecting a hearing aid profile
US8761421B2 (en) 2011-01-14 2014-06-24 Audiotoniq, Inc. Portable electronic device and computer-readable medium for remote hearing aid profile storage
WO2011159349A1 (fr) 2010-06-14 2011-12-22 Audiotoniq, Inc. Système d'aide auditive
US9167339B2 (en) 2010-07-07 2015-10-20 Iii Holdings 4, Llc Hearing damage limiting headphones
US8515110B2 (en) 2010-09-30 2013-08-20 Audiotoniq, Inc. Hearing aid with automatic mode change capabilities
US10687150B2 (en) 2010-11-23 2020-06-16 Audiotoniq, Inc. Battery life monitor system and method
DK2656639T3 (da) 2010-12-20 2020-06-29 Earlens Corp Anatomisk tilpasset øregangshøreapparat
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
US10034103B2 (en) 2014-03-18 2018-07-24 Earlens Corporation High fidelity and reduced feedback contact hearing apparatus and methods
US10003379B2 (en) 2014-05-06 2018-06-19 Starkey Laboratories, Inc. Wireless communication with probing bandwidth
WO2016011044A1 (fr) 2014-07-14 2016-01-21 Earlens Corporation Limitation de crête et polarisation coulissante pour dispositifs auditifs optiques
KR20170039282A (ko) 2014-08-03 2017-04-10 포고텍, 인크. 웨어러블 카메라 시스템 및 카메라 시스템 또는 다른 전자 디바이스를 웨어러블 물품에 부착하기 위한 장치 및 방법
US9635222B2 (en) 2014-08-03 2017-04-25 PogoTec, Inc. Wearable camera systems and apparatus for aligning an eyewear camera
US10236990B2 (en) * 2014-09-18 2019-03-19 Interdigital Ce Patent Holdings Adding a keypad to a device configured with a wireless receiver
US9924276B2 (en) 2014-11-26 2018-03-20 Earlens Corporation Adjustable venting for hearing instruments
SG11201705196QA (en) 2014-12-23 2017-07-28 Pogotec Inc Wireless camera system and methods
EP3308216B1 (fr) 2015-06-10 2021-04-21 Pogotec, Inc. Lunettes munies d'une piste magnétique pour dispositif électronique à porter sur soi
US10481417B2 (en) 2015-06-10 2019-11-19 PogoTec, Inc. Magnetic attachment mechanism for electronic wearable device
WO2017059218A1 (fr) 2015-10-02 2017-04-06 Earlens Corporation Appareil personnalisé portable pour conduit auditif
WO2017075405A1 (fr) 2015-10-29 2017-05-04 PogoTec, Inc. Aide auditive conçue pour une réception d'énergie sans fil
US10492010B2 (en) 2015-12-30 2019-11-26 Earlens Corporations Damping in contact hearing systems
US10306381B2 (en) 2015-12-30 2019-05-28 Earlens Corporation Charging protocol for rechargable hearing systems
US11350226B2 (en) 2015-12-30 2022-05-31 Earlens Corporation Charging protocol for rechargeable hearing systems
US11558538B2 (en) 2016-03-18 2023-01-17 Opkix, Inc. Portable camera system
CN109952771A (zh) 2016-09-09 2019-06-28 伊尔兰斯公司 接触式听力系统、设备和方法
WO2018089533A1 (fr) 2016-11-08 2018-05-17 PogoTec, Inc. Boîtier intelligent de dispositif électronique portatif
WO2018093733A1 (fr) 2016-11-15 2018-05-24 Earlens Corporation Procédure d'impression améliorée
EP3358812B1 (fr) 2017-02-03 2019-07-03 Widex A/S Canaux de communication entre un dispositif de communication personnel et au moins un dispositif porté sur la tête
DK3525487T3 (da) 2018-02-09 2020-10-12 Widex As En kommunikationskanal mellem en fjernstyring og en høreunderstøttende indretning
WO2019173470A1 (fr) 2018-03-07 2019-09-12 Earlens Corporation Dispositif auditif de contact et matériaux de structure de rétention
WO2019199680A1 (fr) 2018-04-09 2019-10-17 Earlens Corporation Filtre dynamique
WO2020102237A1 (fr) 2018-11-13 2020-05-22 Opkix, Inc. Supports portables pour appareil photo portable

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1938381A1 (de) * 1969-07-29 1971-02-11 Siemens Ag Elektrisches Hoergeraet
DE2407726C2 (de) * 1974-02-18 1984-02-23 Sennheiser Electronic Kg, 3002 Wedemark Drahtloses Mikrofon, dessen Übertragungseigenschaften fernsteuerbar sind
JPS51110905A (ja) * 1975-03-26 1976-09-30 Saginomiya Seisakusho Inc Hochoki
DE2653802C2 (de) * 1975-12-17 1984-09-13 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Fernsteuersystem
JPS52125251A (en) * 1976-02-23 1977-10-20 Bio Communication Res Electric filter and method of designing same
DE2738414C2 (de) * 1977-08-25 1982-12-09 Preh, Elektrofeinmechanische Werke, Jakob Preh, Nachf. Gmbh & Co, 8740 Bad Neustadt Fernsteuerungsempfänger
GB1565701A (en) * 1977-08-26 1980-04-23 Wentworth Jessop J A remote hearing aid systems
JPS54148308A (en) * 1978-05-12 1979-11-20 Citizen Watch Co Ltd Hearing-aid system for microminiature hearing aid
JPS5571399A (en) * 1978-11-25 1980-05-29 Matsushita Electric Ind Co Ltd Hearing aid unit
CH641619A5 (en) * 1979-08-30 1984-02-29 Phonak Ag Hearing-aid with receiver part
US4315111A (en) * 1980-05-29 1982-02-09 Thomas Charles A Hearing aid with remote momentary shut off switch
DE3205686A1 (de) * 1982-02-17 1983-08-25 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
CH658354A5 (de) * 1983-01-11 1986-10-31 Gfeller Ag Hoergeraet mit einstellbaren charakteristischen werten.
CA1214112A (fr) * 1983-10-12 1986-11-18 William A. Cole Systeme antibruits
US4628907A (en) * 1984-03-22 1986-12-16 Epley John M Direct contact hearing aid apparatus
AT379929B (de) * 1984-07-18 1986-03-10 Viennatone Gmbh Hoergeraet

Also Published As

Publication number Publication date
EP0175909B1 (fr) 1992-03-04
DE3431584A1 (de) 1986-03-13
EP0175909A1 (fr) 1986-04-02
JPS6162300A (ja) 1986-03-31
JPH0642760B2 (ja) 1994-06-01
DK388185A (da) 1986-03-01
ATE73288T1 (de) 1992-03-15
DK388185D0 (da) 1985-08-27
DE3585479D1 (de) 1992-04-09
US4845755A (en) 1989-07-04

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Legal Events

Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed