EP1377119B1 - Module acoustique pour un appareil auditif - Google Patents
Module acoustique pour un appareil auditif Download PDFInfo
- Publication number
- EP1377119B1 EP1377119B1 EP03013647A EP03013647A EP1377119B1 EP 1377119 B1 EP1377119 B1 EP 1377119B1 EP 03013647 A EP03013647 A EP 03013647A EP 03013647 A EP03013647 A EP 03013647A EP 1377119 B1 EP1377119 B1 EP 1377119B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hearing aid
- acoustic module
- unit
- module according
- microphone
- 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
Links
- 238000012545 processing Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 claims description 6
- 230000001629 suppression Effects 0.000 claims description 4
- 230000005672 electromagnetic field Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010370 hearing loss Effects 0.000 description 1
- 231100000888 hearing loss Toxicity 0.000 description 1
- 208000016354 hearing loss disease Diseases 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
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
- H04R25/60—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
- H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
- H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/38—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means in which sound waves act upon both sides of a diaphragm and incorporating acoustic phase-shifting means, e.g. pressure-gradient microphone
Definitions
- the invention relates to an acoustic module for a hearing aid with a structural unit, which has at least one microphone and at least one handset. Furthermore, the invention relates to a hearing aid with such an acoustic module.
- An acoustic module of the type mentioned is from the DE 3502178 A1 known, in which a receiving part is described, each having a compartment for receiving sound transducers, in particular from a handset and a microphone has.
- the compartments are soundproof closed to shield the microphone against the sound emitted by the listener airborne sound.
- the DE 3723809 A1 is a hearing aid to be worn behind the ear known, which is divided into two housing sections.
- the first housing section preferably contains a microphone, a receiver and an amplifier circuit, the second section contains a battery compartment.
- a modular hearing aid comprising the following modules: a microphone module, a speaker module, an amplifier module and a battery module.
- a microphone system which is constructed in the form of a module and is mounted on a rotatably and pivotally mounted on the hearing aid housing carrier.
- the microphone system can be aligned, for example, toward a speaker in order to improve the directional characteristic.
- a microphone module in which the microphones are equipped with a common sound channel. This improves the protection of the microphones from dirt, simplifies the arrangement of the controls and allows an effective shield with consistently good directivity of the microphone module.
- a hearing aid with an acoustic module is known, which in addition to a microphone and a handset and the complete signal processing electronics to compensate for the hearing loss of a user includes.
- a hearing aid with an acoustic signal amplifier arrangement which has means for suppressing a feedback signal.
- the structure of a hearing aid is generally chosen so that microphone and handset are housed in the hearing aid as far as possible from each other, so they are vibrationally decoupled from each other.
- the invention has for its object to simplify the construction of a hearing aid, its manufacture and the compensation of feedback.
- the unit has a signal processing unit for feedback suppression, which is connected to the microphone and the handset.
- the object is achieved by a hearing aid with a Höros réellesignal kausaku having a recess for receiving such an acoustic module, and by a hearing aid with a Höros réellesignal kausaku and with such an acoustic module.
- An acoustic module according to the invention has the advantage that the signal processing for reducing the feedback can already be carried out in the acoustic module by means of the signal processing unit.
- An acoustic module according to the invention is used with a hearing aid which additionally includes hearing aid signal processing having.
- the hearing aid signal processing differs from the signal processing unit for feedback suppression in the acoustic module.
- the former according to the name, carries out the signal processing customary in a hearing aid device, for example in accordance with a hearing damage of a hearing aid user. The latter tries to reduce feedback in the acoustic module.
- An advantage of using an acoustic module comprising one or more microphones and one or more speakers is that the overall structure of the hearing aid is simplified by the more comprehensive module and correspondingly smaller housing sizes and shorter sound channels of the hearing aid are possible.
- Another advantage of a common unit of microphone and speaker is on the one hand that the unit can be optimized by a special geometric, acousto-mechanical arrangement of the built-in microphone and the speaker to a low feedback out.
- the feedback can be caused for example by structure-borne sound coupling or by acoustic feedback through the air between the speaker and microphone.
- the feedback of the assembly which was not minimized only slightly or consuming, can be measured.
- This measured feedback characteristic of the acoustic module can be electronically stored, for example, in the acoustic module or in the hearing aid and then used by means of the signal processing unit and an algorithm, similar to a feedback compensation circuit, to compensate for the feedback.
- Another possible algorithm suppresses the feedback without resorting to a measured feedback characteristic by evolving itself to a feedback-free signal like an evolutionary algorithm.
- an acoustic module according to the invention offers the advantageous possibility of independent development and production independent of the end product hearing aid device.
- the finished acoustic module can then be taken over into the development or production process of the hearing aid.
- the assembly has a support structure to which the microphone and handset are connected. This has the advantage that this common support structure can be performed particularly vibration damping, for example by material reinforcements or particularly suitable materials.
- the structural unit has a housing.
- this offers the possibility of isolating the assembly against external disturbing vibrations, and on the other hand makes it possible to damp vibrations in the housing.
- the assembly comprises a directional microphone.
- the assembly comprises at least two microphones that form a directional microphone system. The last two embodiments make it possible to integrate the advantageous property of the directional sensitivity into the structural unit.
- damping materials are incorporated in the structural unit of the acoustic module. These may be attached either to the support structure or to the housing, and have the advantage of suppressing vibrations of the microphone or listener at the origin or suppressing their transmission.
- the acoustic module has fastening means which enable the assembly to be attached to the hearing aid. This is advantageous as a standardized attachment of the assembly can be used in various hearing aids.
- the assembly is firmly inserted into the hearing aid, so that the vibration coupling of the assembly takes place with the hearing aid in a known manner and thus can be included in the feedback characteristic.
- the assembly is releasably connectable inserted into the hearing aid.
- This has the additional advantage that the acoustic module can be easily replaced for service purposes.
- Advantageous for both fixed and releasably connectable connections is the suppression of rigid body vibrations of the assembly and the possibility of relatively simple mechanical or electrical connection techniques, such as connectors, flex board or MID technology (a technology for the production of three-dimensional injection-molded components, Molded Interconnect Devices) to use that do not need rubber parts.
- the ability to work without damping deformable materials, such as rubber parts improves the long-term stability of the assembly, reducing development, service, and manufacturing costs and time.
- An advantageous embodiment provides plug contacts, with which the assembly is connected to a Höros réellesignal kausaku. This has the advantage that for the production and service unfavorable wire connections to the handset and microphone omitted. An additional advantage is that an algorithm for reducing the feedback can also be carried out by means of the hearing aid signal signal processing unit.
- a further advantageous embodiment has a device which protects the assembly from electromagnetic fields shields.
- the compact design of the acoustic module and its unit simplify this shielding device.
- the invention may be applied to all known types of hearing aids, for example hearing aids worn behind the ear, hearing aids worn in the ear, implantable hearing aids, hearing aid systems or pocket hearing aids.
- a hearing aid comprising a battery 3 for powering the hearing aid, a Hörbys réellesignal kausaku 5 and a structural unit 7 of an acoustic module.
- the assembly 7 is located in a recess of the hearing aid 1, which serves to receive the acoustic module.
- the assembly 7 is fixed and vibration isolation with damping materials 9 built into the hearing aid. Alternatively, this attachment could also be made releasably connectable.
- the assembly 7 comprises a handset 11, two microphones 13 and a signal processing unit 15.
- the handset 11, the microphones 13 and the signal processing unit 15 are fastened to a support structure 17.
- damping materials 19 were mounted, dampen the structure-borne sound vibrations generated within the unit 7 by the handset 11 and prevent a transfer to the microphones.
- the assembly 7 is enclosed by a housing 21 provided with a shield 22 against electromagnetic fields.
- the microphones 13, which can also be designed as a directional microphone system 24 or as a directional microphone 25, acoustic signals they are converted into electronic signals and by means of the signal processing unit 15 via an algorithm of feedback signal components, for example, from the handset 11 to the microphones 13 via the housing of the unit 7 or the hearing aid 1 (structure-borne sound) or feedback via the air (acoustic sound), cleaned.
- the signal processing unit 15 is connected to plug contacts 26. These plug contacts represent the connection to the hearing aid device signal processing unit 5.
- the hearing aid signal processing unit 5 changes the electronic signals according to the hearing damage of the hearing aid user and sends these electronic signals to the handset 11, which forwards them to the hearing device user.
- the algorithm for clearing the signal of feedback parts can be executed.
- the algorithms used may be, for example, evolution algorithms or algorithms that clean the signal using a feedback characteristic of unit 7 or hearing aid 1.
- FIG. 2 shows the schematic structure of a directional microphone 25.
- a so-called Gradientenrichtmicrophone has two sound inputs 27, of which the sound is passed through two sound channels 28 to the opposite sides of the diaphragm 29.
- the movement of the membrane 29 is determined by the difference of the instantaneous sound pressure at the two sides of the membrane. It is thus dependent on the difference between the two possible paths between sound source and diaphragm 29, which is determined by the relative position of the sound source to the sound inputs 27.
- FIG. 3 shows a block diagram for the operation of a directional microphone system 24.
- the signal of two undirected microphones 13 is interconnected via a summation element 31 after one of the two signals has been inverted by means of an inverter 33 and delayed by means of a delay 35.
- the signal available at the signal output 37 then depends on the relative position of the sound source to the non-directional microphones 13.
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)
- Headphones And Earphones (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Circuit For Audible Band Transducer (AREA)
Claims (18)
- Module acoustique pour une prothèse auditive (1) comportant une unité constructive (7) équipée d'au moins un microphone (13) et d'au moins un écouteur (11),
caractérisé en ce que l'unité constructive (7) comporte pour empêcher la rétroaction une unité de traitement des signaux (15) qui est reliée au microphone (13) et à l'écouteur (11), l'unité constructive (7) pouvant être reliée à une unité de traitement des signaux de prothèse auditive (5) qui n'est pas comprise dans le module acoustique. - Module acoustique selon la revendication 1, caractérisé en ce que l'unité constructive (7) comporte une structure porteuse (17) à laquelle sont reliés le microphone (13) et l'écouteur (11).
- Module acoustique selon la revendication 1 ou 2, caractérisé en ce que l'unité constructive (7) comporte un boîtier (21).
- Module acoustique selon l'une des revendications 1 à 3, caractérisé en ce que le microphone (13) est un microphone directionnel (25).
- Module acoustique selon l'une des revendications 1 à 3, caractérisé en ce que l'unité constructive (7) comprend plusieurs microphones (13).
- Module acoustique selon la revendication 5, caractérisé en ce que les microphones (13) forment un système de microphones directionnels (24).
- Module acoustique selon l'une des revendications 1 à 6, caractérisé en ce que des matériaux amortisseurs (19) sont installés dans l'unité constructive (7).
- Module acoustique selon l'une des revendications 1 à 7, caractérisé en ce que le module acoustique comprend des moyens de fixation pour fixer l'unité constructive (7) à la prothèse auditive (1).
- Module acoustique selon l'une des revendications 1 à 8, caractérisé en ce que l'unité constructive (7) comprend des moyens pour assurer la liaison durable avec la prothèse auditive (1).
- Module acoustique selon l'une des revendications 1 à 8, caractérisé en ce que l'unité constructive (7) comprend des moyens pour assurer la liaison amovible avec la prothèse auditive (1).
- Module acoustique selon l'une des revendications 1 à 10, caractérisé en ce que l'unité constructive (7) comprend des moyens pour que la prothèse auditive (1) soit fixée en amortissant les vibrations.
- Module acoustique selon la revendication 11, caractérisé en ce que l'unité de traitement des signaux (15) permet de réaliser un algorithme pour empêcher les rétroactions entre l'écouteur (11) et le microphone (13).
- Module acoustique selon la revendication 12, caractérisé en ce que l'unité constructive (7) peut être reliée à une unité de traitement des signaux de prothèse auditive (5) par des contacts enfichables (26).
- Module acoustique selon la revendication 12 ou 13, caractérisé en ce que l'unité de traitement des signaux de prothèse auditive (5) peut réaliser un algorithme pour empêcher les rétroactions entre l'écouteur (11) et le microphone (13).
- Module acoustique selon l'une des revendications 1 à 14, caractérisé en ce que l'unité constructive (7) comporte un antiparasitage (22) des champs électromagnétiques.
- Prothèse auditive (1) équipée d'une unité de traitement des signaux de prothèse auditive (5) et d'un module acoustique d'après l'une des revendications 1 à 15.
- Prothèse auditive selon la revendication 16 munie d'une cavité pour recevoir le module acoustique.
- Prothèse auditive selon la revendication 16 munie d'une suspension pour fixer le module acoustique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10228826 | 2002-06-27 | ||
DE10228826A DE10228826A1 (de) | 2002-06-27 | 2002-06-27 | Akustikmodul für ein Hörhilfsgerät |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1377119A2 EP1377119A2 (fr) | 2004-01-02 |
EP1377119A3 EP1377119A3 (fr) | 2007-05-02 |
EP1377119B1 true EP1377119B1 (fr) | 2008-04-30 |
Family
ID=29716691
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03013647A Expired - Lifetime EP1377119B1 (fr) | 2002-06-27 | 2003-06-16 | Module acoustique pour un appareil auditif |
Country Status (5)
Country | Link |
---|---|
US (1) | US7400738B2 (fr) |
EP (1) | EP1377119B1 (fr) |
AT (1) | ATE394019T1 (fr) |
DE (2) | DE10228826A1 (fr) |
DK (1) | DK1377119T3 (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10361954B4 (de) * | 2003-12-23 | 2007-08-30 | Oliver Klammt | Hörsystem und Verfahren zur Einstellung eines solchen, Verfahren zur Erkennung von charakteristischen Schallspektren, sowie entsprechende Computerprogramme und entsprechende computerlesbare Speichermedien |
CA2462495A1 (fr) * | 2004-03-30 | 2005-09-30 | Dspfactory Ltd. | Methode et systeme de protection de contenu dans un systeme programmable |
DE102006029726A1 (de) * | 2006-06-28 | 2008-01-10 | Siemens Audiologische Technik Gmbh | Hörhilfsgerät |
US8259976B2 (en) * | 2008-04-02 | 2012-09-04 | Sonion Nederland B.V. | Assembly comprising a sound emitter and two sound detectors |
DE102010009784B4 (de) * | 2010-03-01 | 2014-01-16 | Audifon Gmbh & Co. Kg | Hörgerät |
WO2010089422A2 (fr) * | 2010-05-25 | 2010-08-12 | Phonak Ag | Appareil auditif |
WO2012112148A1 (fr) | 2011-02-16 | 2012-08-23 | Siemens Hearing Instruments, Inc. | Module amplificateur pour un instrument auditif |
DE102011083728A1 (de) * | 2011-09-29 | 2013-04-04 | Siemens Medical Instruments Pte. Ltd. | Hörhilfegerät mit Dichtungsmitteln |
US8761423B2 (en) * | 2011-11-23 | 2014-06-24 | Insound Medical, Inc. | Canal hearing devices and batteries for use with same |
US9913052B2 (en) | 2013-11-27 | 2018-03-06 | Starkey Laboratories, Inc. | Solderless hearing assistance device assembly and method |
US9906879B2 (en) | 2013-11-27 | 2018-02-27 | Starkey Laboratories, Inc. | Solderless module connector for a hearing assistance device assembly |
US20170311095A1 (en) | 2016-04-20 | 2017-10-26 | Starkey Laboratories, Inc. | Neural network-driven feedback cancellation |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL7612358A (nl) * | 1976-11-08 | 1978-05-10 | Philips Nv | Versterkerinrichting voor akoestische signalen voorzien van middelen voor het onderdrukken van ongewenste stoorsignalen. |
CH664057A5 (de) * | 1984-02-27 | 1988-01-29 | Phonak Ag | Hoergeraet. |
US4731850A (en) * | 1986-06-26 | 1988-03-15 | Audimax, Inc. | Programmable digital hearing aid system |
DE3723809A1 (de) * | 1987-07-18 | 1989-01-26 | Bosch Gmbh Robert | Hinter dem ohr zu tragendes hoergeraet |
NO169689C (no) * | 1989-11-30 | 1992-07-22 | Nha As | Programmerbart hybrid hoereapparat med digital signalbehandling samt fremgangsmaate ved deteksjon og signalbehandlingi samme. |
CA2014960C (fr) * | 1990-04-19 | 1995-07-25 | Horst Arndt | Prothese auditive modulaire |
US5195139A (en) * | 1991-05-15 | 1993-03-16 | Ensoniq Corporation | Hearing aid |
WO1995022879A2 (fr) * | 1994-02-22 | 1995-08-24 | Knowles Electronics, Inc. | Prothese auditive modulaire miniaturisee entierement logeable dans le conduit auditif externe |
US6466678B1 (en) * | 1994-11-30 | 2002-10-15 | Etymotic Research, Inc. | Hearing aid having digital damping |
DE19545760C1 (de) * | 1995-12-07 | 1997-02-20 | Siemens Audiologische Technik | Digitales Hörgerät |
US5881159A (en) * | 1996-03-14 | 1999-03-09 | Sarnoff Corporation | Disposable hearing aid |
DE19635229C2 (de) * | 1996-08-30 | 2001-04-26 | Siemens Audiologische Technik | Richtungsempfindliche Hörhilfe |
US6768801B1 (en) * | 1998-07-24 | 2004-07-27 | Siemens Aktiengesellschaft | Hearing aid having improved speech intelligibility due to frequency-selective signal processing, and method for operating same |
US6876751B1 (en) * | 1998-09-30 | 2005-04-05 | House Ear Institute | Band-limited adaptive feedback canceller for hearing aids |
DE19852758C2 (de) * | 1998-11-16 | 2001-05-23 | Siemens Audiologische Technik | Hinter dem Ohr tragbares Hörhilfegerät |
DE19908194C1 (de) * | 1999-02-25 | 2000-07-06 | Siemens Audiologische Technik | Hinter dem Ohr tragbares Hörhilfegerät |
DK1119218T3 (en) * | 2000-01-21 | 2018-09-10 | Oticon As | Electromagnetic feedback reduction in a communication device |
US6622815B2 (en) * | 2001-10-16 | 2003-09-23 | Hearing Components, Inc. | Transducer support pad |
-
2002
- 2002-06-27 DE DE10228826A patent/DE10228826A1/de not_active Withdrawn
-
2003
- 2003-06-16 AT AT03013647T patent/ATE394019T1/de not_active IP Right Cessation
- 2003-06-16 DK DK03013647T patent/DK1377119T3/da active
- 2003-06-16 EP EP03013647A patent/EP1377119B1/fr not_active Expired - Lifetime
- 2003-06-16 DE DE50309721T patent/DE50309721D1/de not_active Expired - Fee Related
- 2003-06-24 US US10/603,026 patent/US7400738B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7400738B2 (en) | 2008-07-15 |
US20040057592A1 (en) | 2004-03-25 |
EP1377119A3 (fr) | 2007-05-02 |
EP1377119A2 (fr) | 2004-01-02 |
DE10228826A1 (de) | 2004-01-29 |
DK1377119T3 (da) | 2008-09-01 |
ATE394019T1 (de) | 2008-05-15 |
DE50309721D1 (de) | 2008-06-12 |
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