US3852540A - In ear hearing apparatus - Google Patents

In ear hearing apparatus Download PDF

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Publication number
US3852540A
US3852540A US00314902A US31490272A US3852540A US 3852540 A US3852540 A US 3852540A US 00314902 A US00314902 A US 00314902A US 31490272 A US31490272 A US 31490272A US 3852540 A US3852540 A US 3852540A
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US
United States
Prior art keywords
housing
amplifier
voltage source
output transducer
contact
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
US00314902A
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English (en)
Inventor
B Diethelm
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.)
AG fur ELEKTROAKUSTIK CH
ELEKTROAKUSTIK AG F
Original Assignee
ELEKTROAKUSTIK AG F
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Publication date
Application filed by ELEKTROAKUSTIK AG F filed Critical ELEKTROAKUSTIK AG F
Application granted granted Critical
Publication of US3852540A publication Critical patent/US3852540A/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • H04R25/602—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; 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
    • H04R25/609—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of circuitry
    • 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
    • H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
    • H04R25/652—Ear tips; Ear moulds

Definitions

  • ABSTRACT A hearing apparatus equipped with an output transducer, a voltage source, an amplifier, an input transducer capable of magnetic or electrical reception and a gain control. There is provided an elongate bipartite housing constructed to be inserted into the auditory or hearing channel.
  • the output transducer In the lengthwise direction of the housing there are arranged adjacent to one another the output transducer, the voltage source, the amplifier, the input transducer and the gain control
  • the output transducer is arranged in afirst part of the housing
  • the amplifier, the input transducer and the gain control are arranged in a second part of the housing which is detachably connected with the first part of the housing.
  • the voltage source is arranged.between the output transducer and the amplifier at the region of the connection location of the housing parts 4 Claims, 3 Drawing Figures PATENTEL E 74 mime;
  • the present invention relates to a new and improved constructionv of hearing apparatus with a sound receiver or listening device, a voltage source, an amplifier, a signal receiver, and a gain control.
  • the known hearing devices which can be worn in th ear of the user typically possess a first component which can be inserted into the auditory or hearing channel and a second component which is situated externally of the auditory channel in the ear.
  • Such type hearing apparatuses-therefore can be considered to be known as such to the art.
  • Another'object of the present invention relates to-a new and improved construct-ion of hearing apparatus which can be comfortably worn by the user and is designed such that it can be essentially inserted into the auditory channel of the wearer without discomfort, and rendering same practically non-visible to'a casual-observer.
  • the hearing apparatu's of this development is manifested by the features that there-is provided 'a' bipartite or two-part housing of substantially elongate configuration which is designed to be inserted into the auditory or hearing channel.
  • the output transducer is arranged in a first housing part, and the'amplifier, the signal receiver and the gain control are arranged in a second housing part releasably connected with the first housing part.
  • the voltage source is arranged between the sound receiver and the amplifier at the connection location of both housing part with one another.
  • FIG. 3 is a fragmentary sectional view through that end of the hearing apparatus of FIG. 1 which possesses the sound outlet opening.
  • FIG. 1 there is depicted in side view the shape of the housing H of the hearing'apparatus or device 100.
  • This elongate extending housing H is designed to be rotationally symmetrical with respect to its lengthwise axis and will be understood to encompass a first housing part or component 1 and a second housing part or component 2-which can be detachably connected with the first housing part 1 in a manner fully to be described hereinafter.
  • the housing part 2 is closed by a cover member 2a or other suitable closure device.
  • the first housing part 1 carries a protective cap 3 which protects the sound outlet opening la.
  • an accessible gain control 4 preferably incorporating a conventional potentiometer which can be actuated by a knob 4a, so that when the hearing apparatus 100 is inserted into the auditory channel of the user it is accessible from the outside for the purpose of controlling the sound intensity.
  • the cross-sectionof the housing H conically tapers in the direction of its lengthwise axis towards the end of the first housing part 1 which carries the protective cap 3.
  • FIG. 2 shows a sectional view along the lengthwise axis of the hearing apparatus and wherein the individual components thereof have been portrayed in an ex i ploded view to facilitate the showingthereof and to more readily explain-the underlyingconcepts of the instant-development.
  • Y .1 shows a sectional view along the lengthwise axis of the hearing apparatus and wherein the individual components thereof have been portrayed in an ex i ploded view to facilitate the showingthereof and to more readily explain-the underlyingconcepts of the instant-development.
  • a output transducer 5 is arranged in the first housing part 1, the output transducer 5 possessing a sound departure tube 6 which piercingly extends through the opening 111 provided at the end of the housing part 1.
  • the protective cap 3 is inserted into this opening la inorder to protect the outlet opening 6a of the tube 6 against contaminationby dirt or' other foreign particles.
  • a hollow cylindrical holding or retaining element 7 is fixedly seated in the end of the first housing part 1 which is opposite the sound outlet opening 1a.
  • This retaining element 7 serves to receive a substantially cylindrically constructed voltage source 8.
  • the retaining element 7 protrudes in the direction, of the lengthwise axis of the housing part v1 past such, as will be clearly seen from FIG. 2.
  • I I c Two contact elements 9 and 10 are'accommodated at the wall of the retaining or holding element 7. These contact elements 9 and 10 are flexedat their ends 9a and 10a respectively and protrude from the retaining or holding element 7.
  • Both of the contact elements 9 and 10 are electrically coupled via the conductors or lines 11 and 12 with the respective input terminals 5a and 5b of the output transducer 5.
  • the contact element 10 possesses a structed as a printed circuit and supported upon projections or protuberances, and on this support plate 13 there are accommodated the electrical components 14 of the amplifier.
  • the components 14 are arranged at the outer edge of the substantially circular-shaped support plate 13 along the periphery thereof, so that space .is' provided at the center thereof for instailing thereat an input signal receiver 15, which can beconsidered to constitute a microphone or an induction coil for inductive signal reception serving as the listening or hearing coil, and generally indicated by reference character
  • Contact springs or blades 16 and 17 are mounted at the underface of the support plate 13 and which, when the hearing apparatus is assembled together come into contact with the ends 90 and 10a respectively of the contact elements 9 and 10 respectively.
  • the protruding portion of the retaining or holding element 7 accommodating the voltage source 8 is introduced into the hollow compartment or'space l8 provided'in the housing part 2.
  • the contact element ends 9a and 10a are guided through slots 19 and 20 at the floor of the housing part2 and following rotation of the first housing part 1 such contact element ends travel upon run-on surfaces of ridgesorrims 21 provided at the housing part2, only one of which is visible in the drawing, so that there is provided a bayonet-type releasable closure connection between the housing parts 1 and 2.
  • the ends 9a and 10a of the contact elements 9 and 10 respectively, thus serve both for the electrical as well as mechanical connection of both housing parts 1. and 2.
  • bayonet connection it would be also possible to use other types of connections, such as a threaded connection, in which case the retaining element 7 and the base of the housing part 2 each would be'provided with suitable threading.
  • FIG. 3 With the hearing apparatus 100 assembled together the second pole 8b of thevoltage source 8 which extends into the hollow compartment- 18 comes into contact with a contact provided at the underside of the support or-carrier plate 13.
  • V 1 ln FIG. 3 "there is shown in sectional view the end of the first housing part 1 which carries the protective cap 3 and-with the sound receiver or listening device 5 mounted therein.”
  • the protective cap 3 is introduced I 'into the slightly conically tapering opening la where it is fixedly clamped or seated.
  • The'protective cap 3 possesses a cylindrical hollow compartment or space 22 which is closed at one side,
  • the sound waves generated by the sound receiver 5 depart from the sound outlet tube 6 into the hollow compartment 22, from which location such sound waves arrive at the compartment 24 between the sound receiver or listening device 5 and the protective cap 3. From thelocation of the compartment 24 the sound waves can escape through the throughpassag e openings 23 out of the hearing apparatus.
  • the protective cap 3 By means of'the protective cap 3 there'is prevented penetration of dirt particles which might be located in the auditory channel of the user through the opening 6a of the sound outlet tube 6 into the output transducer 5.
  • Removal or exchange of the voltage source 8 can occur quickly and without effort by merelyseparating both housing parts from one another in the described manner.
  • a hearing apparatus arranged to be inserted into the auditory channel of the user, said apparatus includa. a substantially elongate two-part housing;
  • an'input transducer capableof' magnetic and electrical reception, an amplifier and a gain controlarrangedin'the second portion of said housing;
  • I f. means forreceiving and retaining said voltage source in said first housing portion'between said output transducer and said amplifier when'said portions of said housing are releasably connected at the region of interconnection;
  • said output transducer having a pair of input terminals
  • said amplifier having contacts; and I i. said retaining means being provided with two contact elements which are fixedly connected, respectively with the two input terminals of said output transducer'and releasably connected with the contacts of said amplifier, one such contact element coming into contact with one pole of said voltage source whereas the other pole of said voltage source is coupled with the amplifier.
  • said amplifier comprises a support plate in the form of a printed circuit, one face of said support plate being provided with contacts which come into contact with said contacts of said retaining device and said voltage source;-and b. components of said amplifier being arranged about the periphery of said support plate on the other side thereof.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
US00314902A 1971-12-30 1972-12-13 In ear hearing apparatus Expired - Lifetime US3852540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1918471A CH528198A (de) 1971-12-30 1971-12-30 Hörgerät

Publications (1)

Publication Number Publication Date
US3852540A true US3852540A (en) 1974-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00314902A Expired - Lifetime US3852540A (en) 1971-12-30 1972-12-13 In ear hearing apparatus

Country Status (4)

Country Link
US (1) US3852540A (de)
CH (1) CH528198A (de)
DE (1) DE2258118B2 (de)
GB (1) GB1385518A (de)

Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2751755A1 (de) * 1976-11-19 1978-06-01 Danavox Int As Leitungsverbinder fuer ein hoergeraet
US4315228A (en) * 1980-07-03 1982-02-09 Westinghouse Electric Corp. Multiple co-surface acoustic wave filters
US4476353A (en) * 1981-03-11 1984-10-09 Siemens Aktiengesellschaft Hearing aid device to be worn in the ear
WO1985004779A1 (fr) * 1984-04-06 1985-10-24 Westra Electronic Gmbh Piece terminale d'otoplastie d'appareils de correction auditive situee du cote du conduit auditif et otoplastie d'appareils de correction auditive
US4598177A (en) * 1985-01-16 1986-07-01 Sears, Roebuck, & Co. Hearing aid with self-contained battery compartment and volume control
US4634815A (en) * 1984-02-21 1987-01-06 Gfeller Ag In-the-ear hearing aid
DE3719830A1 (de) * 1986-06-18 1987-12-23 Phonak Ag Im-ohr-hoergeraet
US4739512A (en) * 1985-06-27 1988-04-19 Siemens Aktiengesellschaft Hearing aid
US4870688A (en) * 1986-05-27 1989-09-26 Barry Voroba Mass production auditory canal hearing aid
US4879750A (en) * 1984-12-15 1989-11-07 Siemens Aktiengesellschaft Hearing aid with cerumen trapping gap
US4945569A (en) * 1988-01-27 1990-07-31 Jaromir Kulman Hearing aid
US4953215A (en) * 1989-10-05 1990-08-28 Siemens Aktiengesellschaft Arrangement to prevent the intrusion of foreign matter into an electro-acoustical transducer
US5048090A (en) * 1988-11-11 1991-09-10 Horgeraete Geers Gmbh & Co. Kg Hearing aid with transmitter and microphone housing parts
US5327500A (en) * 1992-12-21 1994-07-05 Campbell Donald E K Cerumen barrier for custom in the ear type hearing intruments
US5390254A (en) * 1991-01-17 1995-02-14 Adelman; Roger A. Hearing apparatus
US5742692A (en) * 1994-04-08 1998-04-21 U.S. Philips Corporation In-the-ear hearing aid with flexible seal
US5748743A (en) * 1994-08-01 1998-05-05 Ear Craft Technologies Air conduction hearing device
US5917918A (en) * 1996-02-23 1999-06-29 University Research Engineers & Associates, Inc. In-ear-canal audio receiver and stethoscope having the same
US6208741B1 (en) * 1998-11-12 2001-03-27 Insonus Medical, Inc. Battery enclosure for canal hearing devices
US6339648B1 (en) * 1999-03-26 2002-01-15 Sonomax (Sft) Inc In-ear system
US20020027996A1 (en) * 1999-05-05 2002-03-07 Leedom Marvin A. Disposable modular hearing aid
US6389143B1 (en) * 1998-07-14 2002-05-14 Sarnoff Corporation Modular electroacoustic instrument
US6532294B1 (en) 1996-04-01 2003-03-11 Elliot A. Rudell Automatic-on hearing aids
US6585075B1 (en) * 2000-10-23 2003-07-01 Edouard A. Gauthier Hearing aid having hard mounted speaker and energy absorbing tip
WO2002076140A3 (de) * 2001-03-16 2003-08-21 Jaromir Kulman Gehäuse eines hörgerätes
US20050015018A1 (en) * 2003-05-23 2005-01-20 Dolphin William F. Ear probe and disposable ear tip system
US20050048996A1 (en) * 2003-08-26 2005-03-03 Cobo Rafael J. Locking system and method for same
USD534277S1 (en) * 2004-02-19 2006-12-26 Insound Medical, Inc. Extended wear hearing device main module
US7162039B1 (en) 1996-02-23 2007-01-09 Matthew G. Callahan Noise barrier apparatus having acoustic wave damping cushions
US20070071265A1 (en) * 1999-05-05 2007-03-29 Leedom Marvin A Disposable modular hearing aid
US20080137892A1 (en) * 1998-11-25 2008-06-12 Insound Medical, Inc. Semi-permanent canal hearing device and insertion method
US7403629B1 (en) * 1999-05-05 2008-07-22 Sarnoff Corporation Disposable modular hearing aid
WO2011055367A1 (en) 2009-11-08 2011-05-12 Objet Geometries Ltd. Hearing aid and method of fabricating the same
USRE43519E1 (en) 1995-11-13 2012-07-17 Acacia Patent Acquisition Corporation Electromagnetically protected hearing aids
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
CN104980875A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 助听器
CN104980873A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 接收器/扬声器
EP2930948A1 (de) * 2014-04-10 2015-10-14 GN Resound A/S Hörgeräte
CN104980872A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 助听器接收器及含此接收器的助听器
CN104980874A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 助听器
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
US9578430B2 (en) 2014-04-10 2017-02-21 Gn Hearing A/S Hearing aid
US20180376263A1 (en) * 2017-06-21 2018-12-27 Sivantos Pte. Ltd. Hearing device
US20200221209A1 (en) * 2019-01-04 2020-07-09 Bose Corporation Systems and methods for unconstrained battery spring tab assemblies for in-ear headphone
US11432083B2 (en) 2019-10-09 2022-08-30 Oticon A/S Hearing aid battery connected to ear shell

Families Citing this family (12)

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Publication number Priority date Publication date Assignee Title
FR2543431A1 (fr) * 1983-03-30 1984-10-05 Cafa Appareil auditif tel qu'une prothese
DE3329473A1 (de) * 1983-08-16 1985-03-07 Toepholm & Westermann, Vaerloese Am ohr zu tragendes hoergeraet
DE3406972A1 (de) * 1984-02-25 1985-08-29 micro-technic Hörgeräte GmbH, 7000 Stuttgart Im gehoergang zu tragendes hoergeraet
GB2155276B (en) * 1984-03-02 1987-10-21 Beltone Electronics Corp Hearing aid ear piece with wax guard
DE3425211C1 (de) * 1984-07-09 1985-08-22 Hans-Jürgen 4900 Herford Burkamp Hoergeraet
DE3501481A1 (de) * 1985-01-18 1986-07-24 Robert Bosch Gmbh, 7000 Stuttgart Elektronisches hoergeraet
CH668342A5 (de) * 1985-07-24 1988-12-15 Phonak Ag Im-ohr-hoergeraet.
US4870689A (en) * 1987-04-13 1989-09-26 Beltone Electronics Corporation Ear wax barrier for a hearing aid
DE3736591C3 (de) * 1987-04-13 1994-04-14 Beltone Electronics Corp Hörgerät mit Ohrschmalzschutz
AT391048B (de) * 1988-09-29 1990-08-10 Viennatone Gmbh Kontaktanordnung
DE102005009377B3 (de) * 2005-03-01 2006-09-07 Siemens Audiologische Technik Gmbh Im-Ohr-Hörgerät mit abnehmbarem Lautsprecher
DE502005003062D1 (de) * 2005-10-31 2008-04-17 Phonak Ag Befestigungsvorrichtung für Betätigungselemente von Hörgeräten resp. Hörhilfen

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US2595489A (en) * 1941-07-16 1952-05-06 Brush Dev Co Insert earphone and operative subassembly therefor
US2950357A (en) * 1956-05-01 1960-08-23 Robert E Mitchell Electronic sound transmitting device
US2959645A (en) * 1956-05-22 1960-11-08 Ladd John Hearing aid
US2971065A (en) * 1956-10-10 1961-02-07 Sonotone Corp Ear insert hearing aid
US3055990A (en) * 1961-06-05 1962-09-25 Beltone Hearing Aid Company Hearing aid
US3265819A (en) * 1963-05-15 1966-08-09 Sonotone Corp Ear insert hearing aid

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NL287369A (de) * 1961-01-03 1900-01-01
US3527901A (en) * 1967-03-28 1970-09-08 Dahlberg Electronics Hearing aid having resilient housing

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Publication number Priority date Publication date Assignee Title
US2595489A (en) * 1941-07-16 1952-05-06 Brush Dev Co Insert earphone and operative subassembly therefor
US2950357A (en) * 1956-05-01 1960-08-23 Robert E Mitchell Electronic sound transmitting device
US2959645A (en) * 1956-05-22 1960-11-08 Ladd John Hearing aid
US2971065A (en) * 1956-10-10 1961-02-07 Sonotone Corp Ear insert hearing aid
US3055990A (en) * 1961-06-05 1962-09-25 Beltone Hearing Aid Company Hearing aid
US3265819A (en) * 1963-05-15 1966-08-09 Sonotone Corp Ear insert hearing aid

Cited By (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2751755A1 (de) * 1976-11-19 1978-06-01 Danavox Int As Leitungsverbinder fuer ein hoergeraet
US4315228A (en) * 1980-07-03 1982-02-09 Westinghouse Electric Corp. Multiple co-surface acoustic wave filters
US4476353A (en) * 1981-03-11 1984-10-09 Siemens Aktiengesellschaft Hearing aid device to be worn in the ear
US4634815A (en) * 1984-02-21 1987-01-06 Gfeller Ag In-the-ear hearing aid
WO1985004779A1 (fr) * 1984-04-06 1985-10-24 Westra Electronic Gmbh Piece terminale d'otoplastie d'appareils de correction auditive situee du cote du conduit auditif et otoplastie d'appareils de correction auditive
EP0159571A1 (de) * 1984-04-06 1985-10-30 Westra Electronic GmbH Gehörgangseitiges Hörgeräte-Otoplastik-Endstück und Hörgeräte-Otoplastik
US4679650A (en) * 1984-04-06 1987-07-14 Westra Electronic Gmbh Hearing aid ear mold end piece for the auditory canal and hearing aid ear mold
US4879750A (en) * 1984-12-15 1989-11-07 Siemens Aktiengesellschaft Hearing aid with cerumen trapping gap
US4598177A (en) * 1985-01-16 1986-07-01 Sears, Roebuck, & Co. Hearing aid with self-contained battery compartment and volume control
US4739512A (en) * 1985-06-27 1988-04-19 Siemens Aktiengesellschaft Hearing aid
US4870688A (en) * 1986-05-27 1989-09-26 Barry Voroba Mass production auditory canal hearing aid
EP0271539A4 (en) * 1986-05-27 1991-01-23 Voroba Technologies Associates Mass production auditory canal hearing aid
JP2655604B2 (ja) 1986-05-27 1997-09-24 ボーシュ・アンド・ロム・ヒアリング・システムズ・ディヴィジョン・インコーポレーテッド 大量生産耳道補聴器
DE3719830A1 (de) * 1986-06-18 1987-12-23 Phonak Ag Im-ohr-hoergeraet
US4815138A (en) * 1986-06-18 1989-03-21 Beda Diethelm In-the-ear hearing-aid with pivotable inner and outer sections
US4945569A (en) * 1988-01-27 1990-07-31 Jaromir Kulman Hearing aid
US5048090A (en) * 1988-11-11 1991-09-10 Horgeraete Geers Gmbh & Co. Kg Hearing aid with transmitter and microphone housing parts
US4953215A (en) * 1989-10-05 1990-08-28 Siemens Aktiengesellschaft Arrangement to prevent the intrusion of foreign matter into an electro-acoustical transducer
EP0421233A3 (en) * 1989-10-05 1992-08-12 Siemens Aktiengesellschaft Device for preventing the penetration of foreign bodies in a sound transducer
US5390254A (en) * 1991-01-17 1995-02-14 Adelman; Roger A. Hearing apparatus
US6041129A (en) * 1991-01-17 2000-03-21 Adelman; Roger A. Hearing apparatus
WO1994015440A1 (en) * 1992-12-21 1994-07-07 Campbell Donald E K Cerumen barrier for the hearing instruments
US5327500A (en) * 1992-12-21 1994-07-05 Campbell Donald E K Cerumen barrier for custom in the ear type hearing intruments
US5742692A (en) * 1994-04-08 1998-04-21 U.S. Philips Corporation In-the-ear hearing aid with flexible seal
US5748743A (en) * 1994-08-01 1998-05-05 Ear Craft Technologies Air conduction hearing device
EP0809921A4 (de) * 1995-02-06 2003-02-05 Earcraft Technologies Inc Luftführungshörhilfegerät
USRE43519E1 (en) 1995-11-13 2012-07-17 Acacia Patent Acquisition Corporation Electromagnetically protected hearing aids
US7162039B1 (en) 1996-02-23 2007-01-09 Matthew G. Callahan Noise barrier apparatus having acoustic wave damping cushions
US5917918A (en) * 1996-02-23 1999-06-29 University Research Engineers & Associates, Inc. In-ear-canal audio receiver and stethoscope having the same
US6532294B1 (en) 1996-04-01 2003-03-11 Elliot A. Rudell Automatic-on hearing aids
US6389143B1 (en) * 1998-07-14 2002-05-14 Sarnoff Corporation Modular electroacoustic instrument
US6208741B1 (en) * 1998-11-12 2001-03-27 Insonus Medical, Inc. Battery enclosure for canal hearing devices
US8538055B2 (en) 1998-11-25 2013-09-17 Insound Medical, Inc. Semi-permanent canal hearing device and insertion method
US7424124B2 (en) 1998-11-25 2008-09-09 Insound Medical, Inc. Semi-permanent canal hearing device
US20080137892A1 (en) * 1998-11-25 2008-06-12 Insound Medical, Inc. Semi-permanent canal hearing device and insertion method
US6339648B1 (en) * 1999-03-26 2002-01-15 Sonomax (Sft) Inc In-ear system
US20070071265A1 (en) * 1999-05-05 2007-03-29 Leedom Marvin A Disposable modular hearing aid
US20020027996A1 (en) * 1999-05-05 2002-03-07 Leedom Marvin A. Disposable modular hearing aid
US7403629B1 (en) * 1999-05-05 2008-07-22 Sarnoff Corporation Disposable modular hearing aid
US7113611B2 (en) 1999-05-05 2006-09-26 Sarnoff Corporation Disposable modular hearing aid
US6585075B1 (en) * 2000-10-23 2003-07-01 Edouard A. Gauthier Hearing aid having hard mounted speaker and energy absorbing tip
US20040105562A1 (en) * 2001-03-16 2004-06-03 Jaromir Kulman Housing for a hearing aid
WO2002076140A3 (de) * 2001-03-16 2003-08-21 Jaromir Kulman Gehäuse eines hörgerätes
US20050015018A1 (en) * 2003-05-23 2005-01-20 Dolphin William F. Ear probe and disposable ear tip system
US20050048996A1 (en) * 2003-08-26 2005-03-03 Cobo Rafael J. Locking system and method for same
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US8682016B2 (en) 2011-11-23 2014-03-25 Insound Medical, Inc. Canal hearing devices and batteries for use with same
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US9060234B2 (en) 2011-11-23 2015-06-16 Insound Medical, Inc. Canal hearing devices and batteries for use with same
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US9578430B2 (en) 2014-04-10 2017-02-21 Gn Hearing A/S Hearing aid
EP2930948A1 (de) * 2014-04-10 2015-10-14 GN Resound A/S Hörgeräte
CN104980872A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 助听器接收器及含此接收器的助听器
CN104980874A (zh) * 2014-04-10 2015-10-14 Gn瑞声达A/S 助听器
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US9392385B2 (en) 2014-04-10 2016-07-12 Gn Resound A/S Hearing aid
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US10542359B2 (en) * 2017-06-21 2020-01-21 Sivantos Pte. Ltd. Hearing device
US20200221209A1 (en) * 2019-01-04 2020-07-09 Bose Corporation Systems and methods for unconstrained battery spring tab assemblies for in-ear headphone
US10805707B2 (en) * 2019-01-04 2020-10-13 Bose Corporation Systems and methods for unconstrained battery spring tab assemblies for in-ear headphone
US11432083B2 (en) 2019-10-09 2022-08-30 Oticon A/S Hearing aid battery connected to ear shell
US11778395B2 (en) 2019-10-09 2023-10-03 Oticon A/S Hearing aid battery connected to ear shell

Also Published As

Publication number Publication date
CH528198A (de) 1972-09-15
DE2258118B2 (de) 1981-05-07
DE2258118A1 (de) 1973-07-12
GB1385518A (en) 1975-02-26

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