DE2044870A1 - Device and method for transmitting acoustic signals - Google Patents

Device and method for transmitting acoustic signals

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Publication number
DE2044870A1
DE2044870A1 DE19702044870 DE2044870A DE2044870A1 DE 2044870 A1 DE2044870 A1 DE 2044870A1 DE 19702044870 DE19702044870 DE 19702044870 DE 2044870 A DE2044870 A DE 2044870A DE 2044870 A1 DE2044870 A1 DE 2044870A1
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DE
Germany
Prior art keywords
audio frequency
ear
membrane
receiver
permanent magnet
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.)
Granted
Application number
DE19702044870
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German (de)
Other versions
DE2044870C3 (en
DE2044870B2 (en
Inventor
Der Anmelder Ist
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.)
MATUTINOVIC T
MATUTINOVIC Z
PLESTER D
Original Assignee
MATUTINOVIC T
MATUTINOVIC Z
PLESTER D
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.)
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Publication date
Application filed by MATUTINOVIC T, MATUTINOVIC Z, PLESTER D filed Critical MATUTINOVIC T
Priority to DE2044870A priority Critical patent/DE2044870C3/en
Publication of DE2044870A1 publication Critical patent/DE2044870A1/en
Publication of DE2044870B2 publication Critical patent/DE2044870B2/en
Application granted granted Critical
Publication of DE2044870C3 publication Critical patent/DE2044870C3/en
Expired 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
    • H04R25/60—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
    • H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive loop type

Description

Vorrichtung und Verfahren zum übertragen akustischer Signale Die vorliegende Erfindung bezieht sich auf ein Verfahren zum Uebertragen von akustischen Signalen, insbesondere für Schwerhörige. Device and method for transmitting acoustic signals The present invention relates to a method for transmitting acoustic signals Signals, especially for the hard of hearing.

Schwerhöriergeräte bestehe in der Regel aus einer, meistens in der Brusttasche getragenen Einheit, welche mit einem Mikrophon, einem Verstärker und einem Batterieeinsatz versehen ist.Hearing aids usually consist of one, mostly the Chest pocket-carried unit, which is equipped with a microphone, an amplifier and a battery insert is provided.

Das Ausgangssignal des Verstarkers ist über ein dünnes Kabel mit einem miniaturisierten Lautsprecher verbunden, welcher in der Regel in Form eines kleinen Knopfes ausgebildet ist, der in die Ohrmuschel eingesetzt bzw. zum Teil in den Gehörgang einschiebbar ist.The output signal of the amplifier is via a thin cable with connected to a miniaturized loudspeaker, which is usually in the form of a small button is formed, which is inserted into the auricle or partly can be pushed into the ear canal.

Die Entwicklung der Schwerhörigengeräte in den letzten Jahren ging dahin, die einzelnen Geräteteile immer kleiner zu bauen, so daß es heutzutage bereits möglich ist, den gesamten Mikrophon-, Verstärker- und Batterieteil in einen verdickten BrillenbUgel einzubauen, so daß einzig und allein ein sehr kurzes Stück Kabel mit einem daran befestigten runden Knopf die Verwendung eines derartigen Schwerhörigengerätes erkennen läßt.The development of hearing aid devices in recent years has gone down to build the individual parts of the device smaller and smaller, so that nowadays already it is possible to thicken the entire microphone, amplifier and battery part into one To install glasses bracket, so that only a very short piece of cable with an attached round button the use of such a hearing aid device reveals.

Ziel der vorliegenden Erfindung ist es, ein Verfahren zum Übertragen von Hörfrequenzsignalen zu schaffen, welches es unter anderem ermöglicht, Schwerhörigengeräte zu entwickeln, welche von der Umwelt nicht als solche erkennbar sind.The aim of the present invention is to provide a method for transmitting of audio frequency signals, which makes it possible, among other things, to use hearing aids to develop which are not recognizable as such by the environment.

Erfindungsgemäß wird dies dadurch erreicht, daß als Ubertragungsmedium ein im Hörfrequenzbereich moduliertes Magnetfeld verwendet wird.According to the invention this is achieved in that as a transmission medium a magnetic field modulated in the audio frequency range is used.

Eine Vorrichtung zur Durchfahrung des erfindungsgemäßen Verfahrens ist zorzugsweise derart ausgebildet, daß der Sender im wesentlichen eine von den Hörfrequenzaignalen durchflossene Spule ist, und daß der Empfänger ein schwingfähiges, ferromagnetisches Element ist.A device for carrying out the method according to the invention is preferably designed such that the transmitter is essentially one of the Is a coil through which there is a flow of audio frequency ovals, and that the receiver is an oscillatable, is ferromagnetic element.

Im allgemeinen erscheint es zweckmäßig, wenn das schwingfähige Element ein kleiner, stabförmiger Permanentmagnet ist, welcher entweder in den Gehörgang einschiebbar am Trommelfell, in dem Mittelohr an Hammer, Amboß oder Steigbügel befestigbar, oder in die InnenohrflUssigkeit einsetzbar ist. Es besteht jedoch e die Möglichkeit, das schwingfähige Element als eine elastische, ferromagnetische Membrane. auszubilden, welche auf einem topfförmigen Permanentmagneten freischwingend gelagert.In general, it appears expedient if the vibratable element is a small, rod-shaped permanent magnet, which is either in the ear canal can be pushed into the eardrum, attached to a hammer, anvil or stirrup in the middle ear, or can be inserted into the inner ear fluid. However, there is the possibility the oscillatable element as an elastic, ferromagnetic membrane. to train which on a cup-shaped permanent magnet mounted freely swinging.

ist. In diesem Fall erscheint es dann zweckmäßig, wenn Mcmbrane und Topfmagnet eine geschlossene Kammer bilden, welche in direktem Kontakt mit dem Mittelohr steht.is. In this case, it seems appropriate if Mcmbrane and Pot magnets form a closed chamber which is in direct contact with the middle ear stands.

Weitere Einzelheiten der Erfindung sollen im folgenden an Hand eines Ausführungabeispieles näher erläutert und beachrieben werden, wobei auf die beigefügte.Figur Bezug genommen ist, welche in schematischer Darstellung ein Schwerhörigengerät gemäß der Erfindung darstellt.Further details of the invention are given below with reference to a Embodiment examples are explained and observed in more detail, with reference to the attached figure Reference is made, which in a schematic representation of a hearing aid device according to of the invention.

Wie man an Hand der Figur erkennen kann, besteht die Sendereinheit aus einem Mikrophon und/oder einem äquivalenten Gerät 2. Diese Elemente 1 und 2 sind Uber einen Schalter 3 und einc Lcitung 4 mit einem Verstärker 5 verbunden. Auagangsaeitig ist dieser Verstärker 5 Uber eine Leitung 6 mit einem Sender 7 verbunden. Dieser Sender 7 besteht vorzugsweise aus einer Wicklung, welche von Strömen durchflossen ist, die entsprechend den im Hörfrequenzbereich liegenden Signalen moduliert ist. Falls dies gewUnscht sein sollte, kann die Wicklung des Senders 7 um einen ferromagnetischen Kern herum angeordnet sein.As you can see from the figure, there is a transmitter unit from a microphone and / or equivalent device 2. These elements 1 and 2 are connected to an amplifier 5 via a switch 3 and a line 4. On the output side, this amplifier 5 is connected to a transmitter 7 via a line 6. This transmitter 7 preferably consists of a winding through which currents flow which is modulated according to the signals lying in the audio frequency range. If this should be desired, the winding of the transmitter 7 around a ferromagnetic Be arranged around the core.

Mit Hilfe der stromdurchflossenen Wicklung des Senders 7 wird in an sich bekannter Weise ein zeitlich sich veränderndes Magnetfeld aufgebaut, welches sich entsprechend der Feldlinienkonfiguration weit hinaus in den Raum erstreckt.With the help of the current-carrying winding of the transmitter 7 is in on As is known, a magnetic field that changes over time is built up, which extends far out into the room according to the field line configuration.

Entsprechend der Figur ist innerhalb des Gehörganges, anliegend an das Trommelfell ein magnetischer Empfänger 8 angeordnet. Dieser magnetische Empfänger 8 besteht vorzugsweise aus einem kleinen, stabförmigen Permanentmagneten, welcher durch das Vorhandensein zeitlich fluktuierender Magnetfelder versucht ist, sich mehr oder weniger stark in Rlchttzg der Feldlinien auszurichten. Dadurch werden Kräfte auf das Trommelfell Ubertragen, welche Uber d ie die Mittelohrknöchelchen Hammer, Amboß und SteigbUgel entsprechende Schwingungen an die Flüssigkeiten des Innenohres weiterleiten. Diese Schwingungen werden innerhalb des Innenohres in entsprechende Nervenimpulse umgesetzt.According to the figure, it is adjacent to the ear canal the eardrum a magnetic receiver 8 is arranged. This magnetic receiver 8 preferably consists of a small, rod-shaped permanent magnet, which tempted by the presence of temporally fluctuating magnetic fields to align more or less in the direction of the field lines. This will be Forces transferred to the eardrum, which over the middle ear ossicles Hammer, Anvil and stirrup corresponding vibrations to the liquids of the inner ear. These vibrations are inside the inner ear converted into corresponding nerve impulses.

Da fUr die Auslösung von Gehörempfindungen bereits äußerst geringe Drücke in der Größenordnung von 10116 bis 10 4 Watt/ cm2 ausreichend sind, genügen in der Regel relativ schwache, fluktuierende Magnetfelder, um einen derartigen Empfänger 8 in gewünschter Weise in Schwingungen zu versetzen.As for the triggering of auditory sensations already extremely low Pressures on the order of 10116 to 10 4 watts / cm2 are sufficient usually relatively weak, fluctuating magnetic fields around such a receiver 8 to vibrate in the desired manner.

Während der Empfänger 8 vorzugsweise am Trommelfell angebracht ist, kann die Sendeeinheit einschließlich Mikrophon 1, Verstärker 5 und Sender 7 entweder in einen BrillenbUgel eingebaut sein oder als geschlossene Einheit innerhalb der Brusttasche getragen werden. Durch die Verwendung zeitlich sich verändernder Magnetfelder als übertragungsmedium erübrigt sich eine Leitungsverbindung, welche für den Träger störend ist.While the receiver 8 is preferably attached to the eardrum, can be the transmitter unit including microphone 1, amplifier 5 and transmitter 7 either be built into a temple or as a closed unit within the Breast pocket to be worn. By using magnetic fields that change over time as a transmission medium there is no need for a line connection for the carrier is disturbing.

Ferner wird in dem Bereich des Empfängers keine Bttrie benötigt, da die zum Speisen des Empfängers erforderliche Energie dem zeitlich fluktuierenden Magnetfeld entnommen wird.Furthermore, no battery is required in the area of the recipient, since the energy required to feed the receiver to the time fluctuating Magnetic field is taken.

Um das Magnetfeld im Bereich des magnet,chen Empfängers in bestimmter Weise beeinflussen zu können, können ein oder mehrere in das Felsenbein eingesetzte magnetische Leiter vorgesehen sein. In der Figur ist ein derartiger magnetischer Leiter 9 dargestellt.To the magnetic field in the area of the magnet, chen receiver in certain To be able to influence ways, one or more can be inserted into the petrous bone magnetic conductors may be provided. In the figure one of these is magnetic Head 9 shown.

In bestimmten Fällen kann es sich als zweckmäßig erweisen, den magnetischen Empfänger als Topfmagneten auszubilden, der sich in einer luftdicht abgeschlossenen Kammer mit einer elastischen, f.rromagnetisehen Membrane als Abschluß befindet. Die den topfförmigen Magneten enthaltende und durch die Membrane abgeschlossen Kammer kann in das Felsenbein eingesetzt werden und ist durch die pneumatischen Zellen direkt mit dem Mittelohrraum verbunden. Durch die Schwingungen der Membrane innerhalb der pneumatischen Räume werden Druckveränderungen hervorgerufen, die auf das Mittelohr Ubertragen werden.In certain cases it can be useful to use the magnetic Train the receiver as a pot magnet, which is enclosed in an airtight Chamber with an elastic, magnetic membrane as closure. The chamber containing the cup-shaped magnet and closed by the membrane can be inserted into the petrous bone and is through the pneumatic Cells connected directly to the middle ear space. Due to the vibrations of the membrane pressure changes are caused within the pneumatic spaces, which on transferred to the middle ear.

Die vorliegende Erfindung ist nicht nur für den Bau von Schwerhörigengeräten, sondern auch fUr diagnostische und experimentelle Vorrichtungen, Souffleurgeräte, Meßeinri¢htungen und InformatlonsUbertragungseinheiten verwendbar.The present invention is not only for the construction of hearing aids, but also for diagnostic and experimental devices, prompter devices, Measuring devices and information transfer units can be used.

Zum Soufflieren im Theater besteht z.B. die Möglichkeit, den Empfänger 8 in einen Wattebausch zu wickeln, welcher in ein facher Weise in das Ohr einsetzbar ist. FUr die Übertragung von Informationen in größeren Räumen - beispielaweise Museen -besteht die Mögli¢hkeit,entlang der Wände des betreffenden Raumes eine Schleife auszulegen, durch welche ein genügend nohes Wechselmagnetfeld erzeugbar ist. Die Empfangsgeräte können dann Je nach Wunsch entweder als kleine Traggeräte, als Kopfhörer, oder als Spezialbrillen ausgebildet sein.For prompting in the theater, for example, there is the possibility of the recipient 8 to wrap in a cotton ball, which can be inserted into the ear in a number of ways is. For the transmission of information in larger rooms - for example museums -It is possible to create a loop along the walls of the room in question designed by which a sufficiently strong alternating magnetic field can be generated. the Receiving devices can then be used either as small portable devices, as headphones, or be designed as special glasses.

Claims (5)

Patentansprllche Claims Verfahren zum Übertragen von Signalen im Hörfrequenzbereich, insbesondere für Schwerhörige, dadurch g e k e n n z e i c h n e t , daß als Ubertragungsmedium ein im Hörfrequenzbereich moduliertes Magnetfeld verwendet wird.Method for transmitting signals in the audio frequency range, in particular for the hard of hearing, noting that it is used as a transmission medium a magnetic field modulated in the audio frequency range is used. 2. Vorrichtung zur Durchführung des Verfahrens nach Anspruch 1, dadurch g e k e n n z e i c h n e t , daß der Sender (7) im wesentlichen eine von den Hörfrequenzsignalen durchflossene Spule ist, und daß der Empfänger ein schwingfähiges, vormagnetisiertes, ferromagnetisches Element (8) ist.2. Apparatus for performing the method according to claim 1, characterized it is noted that the transmitter (7) is essentially one of the audio frequency signals coil through which it flows, and that the receiver is an oscillatable, premagnetized, is ferromagnetic element (8). 3. Vorrichtung nach Anspruch 2, dadurch g e k e n n -z e i c h n e t , daß das schwingfähige Element (8) ein kleiner, stabförmiger Permanentmagnet ist, welcher entweder in den Gehörgang einschiebbar am Trommelfell, in dem Mittelohr an Hammer, Amboß oder Steigbügel befestigbar, oder in die Innenohrfldssigkeit einsetzbar ist.3. Apparatus according to claim 2, characterized in that g e k e n n -z e i c h n e t that the vibratable element (8) is a small, rod-shaped permanent magnet is, which is either inserted into the ear canal on the eardrum, in the middle ear Can be attached to a hammer, anvil or stirrup, or inserted into the inner ear fluid is. 4. Vorrichtung nach Anspruch 2, dadurch g e k e n n -z e i c h n e t , daß das schwingfähige Element (8) eine elastische, ferromagnetische Membrane ist, welche auf einem topfförmigen Permanentmagneten frei schwingend gelagert ist.4. Apparatus according to claim 2, characterized in that g e k e n n -z e i c h n e t that the vibratable element (8) is an elastic, ferromagnetic membrane is, which is mounted swinging freely on a cup-shaped permanent magnet. 5. Vorrichtung nach Anspruch 4, dadurch g e k e n nz e i c h n e t , daß die Membrane und der Topfmagnet eine geschlossene Kammer bilden, welche in die pneumatischen Räume des Mittelohres eingelassen ist.5. Apparatus according to claim 4, characterized g e k e n nz e i c h n e t that the membrane and the pot magnet form a closed chamber, which in the pneumatic spaces of the middle ear is let in.
DE2044870A 1970-09-10 1970-09-10 Hearing aid arrangement for the inductive transmission of acoustic signals Expired DE2044870C3 (en)

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DE2044870B2 DE2044870B2 (en) 1978-05-11
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Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3533705A1 (en) * 1985-02-28 1986-08-28 Institut für Kulturbauten Prof. Dipl.-Ing. Joachim Näther, DDR-1086 Berlin Arrangement for an audiovisual information system via exhibits
DE3508830A1 (en) * 1985-03-13 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Hearing aid
NL8601307A (en) * 1985-05-22 1986-12-16 Bristol Myers Co IMPLANTABLE ELECTROMAGNETIC HEARING AID WITH MIDDLE EAR CONDUCTION.
US4774933A (en) * 1987-05-18 1988-10-04 Xomed, Inc. Method and apparatus for implanting hearing device
EP0352954A2 (en) * 1988-07-20 1990-01-31 SMITH & NEPHEW RICHARDS, INC. Shielded magnetic assembly for use with a hearing aid
EP0556300A1 (en) * 1990-11-07 1993-08-25 Resound Corp Contact transducer assembly for hearing devices.
EP0578752A1 (en) * 1991-04-01 1994-01-19 Resound Corp Inconspicuous communication method utilizing remote electromagnetic drive.
EP0603204A1 (en) * 1991-09-13 1994-06-29 Resound Corporation Improved electromagnetic hearing system
US5797834A (en) * 1996-05-31 1998-08-25 Resound Corporation Hearing improvement device
US6277148B1 (en) 1999-02-11 2001-08-21 Soundtec, Inc. Middle ear magnet implant, attachment device and method, and test instrument and method
US6436028B1 (en) 1999-12-28 2002-08-20 Soundtec, Inc. Direct drive movement of body constituent
WO2010115827A1 (en) * 2009-04-08 2010-10-14 Siemens Medical Instruments Pte. Ltd. Magnetofluidic hearing aid system and hearing aid
US8696541B2 (en) 2004-10-12 2014-04-15 Earlens Corporation Systems and methods for photo-mechanical hearing transduction
US8787609B2 (en) 2009-06-18 2014-07-22 Earlens Corporation Eardrum implantable devices for hearing systems and methods
US8824715B2 (en) 2008-06-17 2014-09-02 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
US8845705B2 (en) 2009-06-24 2014-09-30 Earlens Corporation Optical cochlear stimulation devices and methods
US8986187B2 (en) 2009-06-24 2015-03-24 Earlens Corporation Optically coupled cochlear actuator systems and methods
DE102013114771A1 (en) 2013-12-23 2015-06-25 Eberhard Karls Universität Tübingen Medizinische Fakultät In the auditory canal einbringbare hearing aid and hearing aid system
US9154891B2 (en) 2005-05-03 2015-10-06 Earlens Corporation Hearing system having improved high frequency response
US9226083B2 (en) 2004-07-28 2015-12-29 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US9392377B2 (en) 2010-12-20 2016-07-12 Earlens Corporation Anatomically customized ear canal hearing apparatus
US9591409B2 (en) 2008-06-17 2017-03-07 Earlens Corporation Optical electro-mechanical hearing devices with separate power and signal components
US9749758B2 (en) 2008-09-22 2017-08-29 Earlens Corporation Devices and methods for hearing
US9924276B2 (en) 2014-11-26 2018-03-20 Earlens Corporation Adjustable venting for hearing instruments
US9930458B2 (en) 2014-07-14 2018-03-27 Earlens Corporation Sliding bias and peak limiting for optical hearing devices
US10034103B2 (en) 2014-03-18 2018-07-24 Earlens Corporation High fidelity and reduced feedback contact hearing apparatus and methods
US10178483B2 (en) 2015-12-30 2019-01-08 Earlens Corporation Light based hearing systems, apparatus, and methods
US10286215B2 (en) 2009-06-18 2019-05-14 Earlens Corporation Optically coupled cochlear implant systems and methods
US10292601B2 (en) 2015-10-02 2019-05-21 Earlens Corporation Wearable customized ear canal apparatus
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DE2844979C2 (en) * 1978-10-16 1989-08-31 Juval Dr.-Ing. 8000 München Mantel Hearing aid
US4612915A (en) * 1985-05-23 1986-09-23 Xomed, Inc. Direct bone conduction hearing aid 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
US8396239B2 (en) 2008-06-17 2013-03-12 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
CN102598712A (en) 2009-06-05 2012-07-18 音束有限责任公司 Optically coupled acoustic middle ear implant systems and methods
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PL423873A1 (en) * 2017-12-13 2019-06-17 Uniwersytet Medyczny w Łodzi Magnetic field inductor, a kit for diagnosis and/or therapy of ear buzzing and the system for electric and magnetic stimulation of ear

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Publication number Priority date Publication date Assignee Title
DE3533705A1 (en) * 1985-02-28 1986-08-28 Institut für Kulturbauten Prof. Dipl.-Ing. Joachim Näther, DDR-1086 Berlin Arrangement for an audiovisual information system via exhibits
DE3508830A1 (en) * 1985-03-13 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Hearing aid
NL8601307A (en) * 1985-05-22 1986-12-16 Bristol Myers Co IMPLANTABLE ELECTROMAGNETIC HEARING AID WITH MIDDLE EAR CONDUCTION.
FR2586557A1 (en) * 1985-05-22 1987-03-06 Bristol Myers Co IMPLANTABLE ELECTROMAGNETIC DEVICE FOR ASSISTING BONE CONDUCTION HEARING IN THE MIDDLE EAR
US4774933A (en) * 1987-05-18 1988-10-04 Xomed, Inc. Method and apparatus for implanting hearing device
EP0352954A2 (en) * 1988-07-20 1990-01-31 SMITH & NEPHEW RICHARDS, INC. Shielded magnetic assembly for use with a hearing aid
EP0352954A3 (en) * 1988-07-20 1991-08-28 SMITH & NEPHEW RICHARDS, INC. Shielded magnetic assembly for use with a hearing aid
EP0556300A4 (en) * 1990-11-07 1993-12-22 Resound Corporation Contact transducer assembly for hearing devices
EP0556300A1 (en) * 1990-11-07 1993-08-25 Resound Corp Contact transducer assembly for hearing devices.
EP0578752A1 (en) * 1991-04-01 1994-01-19 Resound Corp Inconspicuous communication method utilizing remote electromagnetic drive.
EP0578752A4 (en) * 1991-04-01 1994-07-06 Resound Corp Inconspicuous communication method utilizing remote electromagnetic drive
US5425104A (en) * 1991-04-01 1995-06-13 Resound Corporation Inconspicuous communication method utilizing remote electromagnetic drive
EP0603204A1 (en) * 1991-09-13 1994-06-29 Resound Corporation Improved electromagnetic hearing system
EP0603204A4 (en) * 1991-09-13 1994-08-10 Resound Corp Improved electromagnetic hearing system.
US5797834A (en) * 1996-05-31 1998-08-25 Resound Corporation Hearing improvement device
US6277148B1 (en) 1999-02-11 2001-08-21 Soundtec, Inc. Middle ear magnet implant, attachment device and method, and test instrument and method
US6436028B1 (en) 1999-12-28 2002-08-20 Soundtec, Inc. Direct drive movement of body constituent
US9226083B2 (en) 2004-07-28 2015-12-29 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US8696541B2 (en) 2004-10-12 2014-04-15 Earlens Corporation Systems and methods for photo-mechanical hearing transduction
US9949039B2 (en) 2005-05-03 2018-04-17 Earlens Corporation Hearing system having improved high frequency response
US9154891B2 (en) 2005-05-03 2015-10-06 Earlens Corporation Hearing system having improved high frequency response
US10863286B2 (en) 2007-10-12 2020-12-08 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US10516950B2 (en) 2007-10-12 2019-12-24 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US11483665B2 (en) 2007-10-12 2022-10-25 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US10154352B2 (en) 2007-10-12 2018-12-11 Earlens Corporation Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management
US9049528B2 (en) 2008-06-17 2015-06-02 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
US8824715B2 (en) 2008-06-17 2014-09-02 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
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