DE59904091D1 - Hörgerät - Google Patents

Hörgerät

Info

Publication number
DE59904091D1
DE59904091D1 DE59904091T DE59904091T DE59904091D1 DE 59904091 D1 DE59904091 D1 DE 59904091D1 DE 59904091 T DE59904091 T DE 59904091T DE 59904091 T DE59904091 T DE 59904091T DE 59904091 D1 DE59904091 D1 DE 59904091D1
Authority
DE
Germany
Prior art keywords
hearing aid
covering element
sound
covering
entry opening
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE59904091T
Other languages
English (en)
Inventor
Hilmar Meier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sonova Holding AG
Original Assignee
Phonak 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=8231507&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59904091(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Phonak AG filed Critical Phonak AG
Application granted granted Critical
Publication of DE59904091D1 publication Critical patent/DE59904091D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds
    • H04R25/654—Ear wax retarders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/021—Behind the ear [BTE] hearing aids
    • H04R2225/0213—Constructional details of earhooks, e.g. shape, material
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/025—In the ear hearing aids [ITE] hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/602—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/658—Manufacture of housing parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Manufacturing & Machinery (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
  • Headphones And Earphones (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Casings For Electric Apparatus (AREA)
DE59904091T 1998-03-02 1999-03-01 Hörgerät Expired - Lifetime DE59904091D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98103587A EP0847227B1 (de) 1998-03-02 1998-03-02 Hörgerät
PCT/CH1999/000093 WO1999045744A1 (de) 1998-03-02 1999-03-01 Hörgerät

Publications (1)

Publication Number Publication Date
DE59904091D1 true DE59904091D1 (de) 2003-02-27

Family

ID=8231507

Family Applications (2)

Application Number Title Priority Date Filing Date
DE59809366T Revoked DE59809366D1 (de) 1998-03-02 1998-03-02 Hörgerät
DE59904091T Expired - Lifetime DE59904091D1 (de) 1998-03-02 1999-03-01 Hörgerät

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE59809366T Revoked DE59809366D1 (de) 1998-03-02 1998-03-02 Hörgerät

Country Status (8)

Country Link
US (2) US6574343B1 (de)
EP (2) EP0847227B1 (de)
JP (1) JP4608095B2 (de)
AT (1) ATE231678T1 (de)
AU (1) AU2508999A (de)
DE (2) DE59809366D1 (de)
DK (2) DK0847227T3 (de)
WO (1) WO1999045744A1 (de)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0847227B1 (de) * 1998-03-02 2003-08-27 Phonak Ag Hörgerät
CA2361270C (en) * 1999-01-27 2009-04-07 Auric Horsysteme Gmbh & Co. Kg Hearing aid
NL1011778C1 (nl) 1999-04-13 2000-10-16 Microtronic Nederland Bv Microfoon voor een hoorapparaat en een hoorapparaat voorzien van een dergelijke microfoon.
WO2000079835A1 (de) 1999-06-16 2000-12-28 Phonak Ag Hinterohr-hörgerät
CA2390833A1 (en) * 2000-02-09 2000-04-20 Phonak Ag Hearing device
US6741716B2 (en) 2002-02-19 2004-05-25 Starkey Laboratories, Inc. Affixed behind-the-ear child resistant volume control cover
DE10260307B4 (de) 2002-12-20 2007-02-22 Siemens Audiologische Technik Gmbh Elektroakustischer Miniaturwandler für ein Hörhilfegerät
DE10260303B3 (de) * 2002-12-20 2004-06-17 Siemens Audiologische Technik Gmbh Mikrofonmudul für ein Hörhilfegerät
US20040196996A1 (en) * 2003-04-02 2004-10-07 Feitel Mark A. Hearing aid and hearing aid accessory cosmetic and functional cover
EP1432285B1 (de) * 2003-12-30 2016-06-08 Sonova AG Hydrophobe Beschichtung einzelner Komponenten von Hörgeräten
US20050249369A1 (en) * 2004-05-05 2005-11-10 Phonak Ag Flexible frequency response shaping
US7873058B2 (en) * 2004-11-08 2011-01-18 Mosaid Technologies Incorporated Outlet with analog signal adapter, a method for use thereof and a network using said outlet
DE102004062279A1 (de) * 2004-12-23 2006-05-11 Siemens Audiologische Technik Gmbh Zerumenschutzeinrichtung für ein Hörhilfegerät
DE102005012149B3 (de) 2005-03-16 2006-09-21 Siemens Audiologische Technik Gmbh Abdeckvorrichtung für mindestens einen Mikrofoneingang eines Hörgeräts und Hörgerät mit einer Abdeckvorrichtung
US7991174B2 (en) * 2005-06-30 2011-08-02 Insound Medical, Inc. Hearing aid battery barrier
EP1578168B1 (de) 2005-07-01 2010-12-22 Phonak Ag Im-Ohr-Gerät
US7804975B2 (en) 2005-07-01 2010-09-28 Phonak Ag In-ear device
US20070127757A2 (en) * 2005-07-18 2007-06-07 Soundquest, Inc. Behind-The-Ear-Auditory Device
WO2007011806A2 (en) * 2005-07-18 2007-01-25 Soundquest, Inc. Behind-the-ear auditory device
DK1763280T3 (en) 2005-09-08 2017-08-07 Oticon As Audio device comprising a microphone
US7756285B2 (en) * 2006-01-30 2010-07-13 Songbird Hearing, Inc. Hearing aid with tuned microphone cavity
US7756284B2 (en) * 2006-01-30 2010-07-13 Songbird Hearing, Inc. Hearing aid circuit with integrated switch and battery
DE102006026785A1 (de) * 2006-06-07 2007-12-13 Siemens Audiologische Technik Gmbh Abdeckvorrichtung für Hörgerät-Gehäuseanordnung
US7889880B1 (en) * 2006-08-08 2011-02-15 Robert George Coffey Hearing aid wind-vortex noise preventer blanket accessories
US20080240479A1 (en) * 2006-10-03 2008-10-02 Sonic Innovations, Inc. Hydrophobic and oleophobic coating and method for preparing the same
US8846161B2 (en) * 2006-10-03 2014-09-30 Brigham Young University Hydrophobic coating and method
DE102007010602A1 (de) * 2007-03-05 2008-09-11 Siemens Audiologische Technik Gmbh Spannungsquelle mit einem beschichteten Gehäuse
EP2156703A1 (de) 2007-06-18 2010-02-24 Phonak AG Abdeckung für öffnungen eines gehäuses einer elektrischen mikroeinrichtung
DE102007034230A1 (de) * 2007-07-23 2009-01-29 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit Mikrofonabdeckung
KR200448686Y1 (ko) * 2008-02-04 2010-05-07 (주)머티리얼솔루션테크놀로지 보청기
EP2476265A2 (de) * 2009-09-07 2012-07-18 Phonak AG Hochentwickelter mikrofonschutz
DK2348757T3 (en) * 2009-12-31 2016-02-01 Starkey Lab Inc REDUCTION OF ALIEN COMPONENTS TO HEARING DEVICES
WO2011098153A1 (de) 2010-02-11 2011-08-18 Siemens Medical Instruments Pte. Ltd. Hinter-dem-ohr-hörgerät mit steckverbinder
WO2011116246A1 (en) 2010-03-19 2011-09-22 Advanced Bionics Ag Waterproof acoustic element enclosures and apparatus including the same
US9161131B2 (en) * 2010-03-25 2015-10-13 K&E Holdings, LLC Stereo audio headphone apparatus for a user having a hearing loss and related methods
DE102010043413A1 (de) * 2010-11-04 2012-05-10 Siemens Medical Instruments Pte. Ltd. Verfahren und Hörgerät zur Ermittlung von Nässe
WO2012099756A1 (en) 2011-01-18 2012-07-26 Advanced Bionics Ag Moisture resistant headpieces and implantable cochlear stimulation systems including the same
JP5052709B2 (ja) 2011-02-07 2012-10-17 京セラ株式会社 装飾品用部材およびこれを備える装飾品
EP2493216A3 (de) 2011-02-25 2014-03-12 Starkey Laboratories, Inc. Alles abstoßende perforierte Schranke für Hörgerätewandler
US9071918B2 (en) 2011-03-18 2015-06-30 Starkey Laboratories, Inc. Ball and socket connection with an acoustic seal and mounting interface for a hearing assistance device
US9386384B2 (en) * 2012-01-03 2016-07-05 Starkey Laboratories, Inc. Hearing instrument transduction apparatus using ferroelectret polymer foam
US10284974B2 (en) 2013-07-10 2019-05-07 Starkey Laboratories, Inc. Acoustically transparent barrier layer to seal audio transducers
JP6604708B2 (ja) 2013-10-02 2019-11-13 日東電工株式会社 補聴器
JP2015073167A (ja) 2013-10-02 2015-04-16 日東電工株式会社 補聴器及び補聴器充電システム
USD838688S1 (en) * 2017-05-07 2019-01-22 Xiaoliang Liu Wireless headset
USD825764S1 (en) * 2017-07-03 2018-08-14 Enrique Gajstut Sound amplifier
DE102017219470A1 (de) * 2017-11-02 2019-05-02 Sivantos Pte. Ltd. Hörgerät
USD861634S1 (en) * 2017-12-18 2019-10-01 Wen-Tse HUANG Bluetooth headset
USD903634S1 (en) * 2019-04-29 2020-12-01 Shenzhen Quanmeng Technology Co., Ltd. Wireless headset
USD945401S1 (en) * 2019-12-23 2022-03-08 Bose Corporation Audio headset
USD939476S1 (en) * 2019-12-23 2021-12-28 Bose Corporation Audio headset
USD903635S1 (en) * 2020-07-09 2020-12-01 Shenzhen Link Dream Electronics Co., Ltd Earphone
US11638107B2 (en) 2020-11-11 2023-04-25 Gn Hearing A/S Hearing device with two microphone filters
USD944228S1 (en) * 2021-03-16 2022-02-22 Shenzhen Quanmeng Technology Co., Ltd. Earphone
USD947812S1 (en) * 2021-04-26 2022-04-05 Shenzhenshi Annso Technology Co., Ltd Wireless earphone
USD1025953S1 (en) * 2022-06-08 2024-05-07 Yealink (Xiamen) Network Technology Co., Ltd. Audio headset

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153797B (de) 1961-12-02 1963-09-05 Robert Bosch Elektronik Ges Mi Hinter dem Ohr zu tragendes Schwerhoerigengeraet
US3265153A (en) * 1962-06-27 1966-08-09 Electro Voice Acoustical device with protective screen
AT265384B (de) 1966-06-17 1968-10-10 Akg Akustische Kino Geraete Schallempfänger mit einem oder mehreren Einzelmikrophonen
US3770911A (en) 1972-07-21 1973-11-06 Industrial Research Prod Inc Hearing aid system
NL7306005A (de) * 1973-05-01 1974-11-05
CA1029668A (en) * 1975-06-23 1978-04-18 Unitron Industries Limited Hearing aid having adjustable directivity
US3976848A (en) † 1975-08-21 1976-08-24 Estes Roger Q Disposable noise reducing hearing aid attachment
US4073366A (en) † 1976-07-26 1978-02-14 Estes Roger Q Disposable noise reducing hearing aid attachment
US4122015A (en) * 1977-06-06 1978-10-24 Nippon Seisen Co., Ltd. Fortified metal filter and its preparative procedure
US4600077A (en) * 1985-01-25 1986-07-15 Drever Leslie C Microphone wind shroud
DE8713369U1 (de) * 1987-10-05 1989-02-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Verschließen von Öffnungen an Hörgeräten oder Ohrpaßstücken für Hörgeräte
NL8802516A (nl) * 1988-10-13 1990-05-01 Philips Nv Hoorapparaat met rondzing onderdrukking.
DE3928680A1 (de) 1989-08-30 1991-03-07 Systec Rationalisierungstechni Einlege- und entnahmevorrichtung fuer eine weiterverarbeitende maschine
CA2014960C (en) * 1990-04-19 1995-07-25 Horst Arndt Modular hearing aid
AT407815B (de) 1990-07-13 2001-06-25 Viennatone Gmbh Hörgerät
JPH089891Y2 (ja) * 1990-11-27 1996-03-21 リオン株式会社 補聴器の電池収納装置
CH681411A5 (de) * 1991-02-20 1993-03-15 Phonak Ag
US5133016A (en) * 1991-03-15 1992-07-21 Wallace Clark Hearing aid with replaceable drying agent
US5249234A (en) * 1991-10-11 1993-09-28 Butler Michael J Cover for behind-the-ear type hearing aids and methods of making and using the same
DE4205376C1 (en) * 1992-02-21 1993-09-16 Siemens Audiologische Technik Gmbh, 91058 Erlangen, De Housing for hearing aid worn on head - has visible section of transparent material and inside section of opaque material
CH683263A5 (de) 1992-02-25 1994-02-15 Weidmann H Ag Offenporiger dimensionsstabiler Körper.
US5524056A (en) 1993-04-13 1996-06-04 Etymotic Research, Inc. Hearing aid having plural microphones and a microphone switching system
EP0629101B1 (de) † 1993-06-11 2001-09-05 Ascom Audiosys Ag Im Ohr zu tragende Hörhilfe und Verfahren zu deren Herstellung
JP2837638B2 (ja) * 1995-03-07 1998-12-16 リオン株式会社 耳掛け式補聴器
DE19603806A1 (de) 1996-02-02 1997-08-07 Resound Gmbh Bausatz für modulare elektrische Im-Ohr-Hörgeräte
US5724431A (en) * 1996-02-26 1998-03-03 Siemens Hearing Instruments, Inc. Zinc-air dry cell holder and hearing aid that uses it
US5828012A (en) † 1996-05-31 1998-10-27 W. L. Gore & Associates, Inc. Protective cover assembly having enhanced acoustical characteristics
DE19635229C2 (de) 1996-08-30 2001-04-26 Siemens Audiologische Technik Richtungsempfindliche Hörhilfe
DE19636800A1 (de) * 1996-09-11 1998-03-12 Audio Service Gmbh As Im-Ohr-Hörgerät
DE29623264U1 (de) * 1996-10-11 1998-02-05 Otto Bock Orthopädische Industrie Besitz- und Verwaltungs-Kommanditgesellschaft, 37115 Duderstadt Erwärmvorrichtung für Kunststoffplatten
DE19706306C1 (de) * 1997-02-18 1998-10-08 Siemens Audiologische Technik Im Ohr tragbares Hörhilfegerät
EP0847227B1 (de) * 1998-03-02 2003-08-27 Phonak Ag Hörgerät
DE19810043A1 (de) * 1998-03-09 1999-09-23 Siemens Audiologische Technik Hörgerät mit einem Richtmikrofon-System

Also Published As

Publication number Publication date
JP2002506335A (ja) 2002-02-26
DK1060640T4 (da) 2007-05-29
DE59809366D1 (de) 2003-10-02
EP0847227A3 (de) 1998-10-21
US20030142843A1 (en) 2003-07-31
WO1999045744A1 (de) 1999-09-10
DK0847227T3 (da) 2003-12-22
ATE231678T1 (de) 2003-02-15
JP4608095B2 (ja) 2011-01-05
EP0847227A2 (de) 1998-06-10
EP1060640B1 (de) 2003-01-22
US6574343B1 (en) 2003-06-03
EP1060640B2 (de) 2007-03-14
EP1060640A1 (de) 2000-12-20
DK1060640T3 (da) 2003-04-22
US7372973B2 (en) 2008-05-13
AU2508999A (en) 1999-09-20
EP0847227B1 (de) 2003-08-27

Similar Documents

Publication Publication Date Title
DE59904091D1 (de) Hörgerät
DK0975293T3 (da) Stöjundertrykkelsesörestykke
DK1123635T3 (da) Implanterbar lydreceptor til høreapparater
AU4288099A (en) A noise suppressor having weighted gain smoothing
ATE388318T1 (de) Abdeckglied und luftfilterkonstruktion, verwendung und montageverfahren
EP1186760A3 (de) Schallabsorbtionsstruktur
ZA9951B (en) Acoustical diffuser assembly and method of installation.
DE69824682D1 (de) Gehörschutz gegen starkes Geräusch
DE69910780D1 (de) Hörhilfevorrichtung
DE69923822D1 (de) Sender zur Störsignalwiederholung und Gehäuse für denselben
FR2779899B1 (fr) Assemblage ecouteur / microphone / protege-oreille
DE60007159D1 (de) Laufrad- und gehäuseanordnung zur geräuschverminderung und verbesserten luftströmung
AU5901799A (en) Speech detection with noise suppression based on principal components analysis
DK1416766T3 (da) Høreapparat med en batteridækseltætning
AU3666299A (en) High noise suppression microphone
SE9900609L (sv) Ljudriktande anordning
SE0200595D0 (sv) Ventilationskanal
ATE287989T1 (de) Vorrichtung zur dämpfung von schallemissionen an gleisanlagen
KR970020236U (ko) 무선마이크 수신부의 노이즈 제거회로
FR2776435B1 (fr) Amplificateur a grand gain
DE10130555B4 (de) Verschlußkörper für Atmungsöffnungen von Gehäusen
SE9800548D0 (sv) Anordning för dämpning av buller.
KR970064463U (ko) 주변소음 적응형 음향조절 제어장치
KR960012865U (ko) 연산 증폭기를 이용한 노이즈 제거회로
BR9908569B1 (pt) mÉtodo de fabricaÇço de cÂmara de ar e cÂmara de ar.

Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings