DE2044870C3 - Hearing aid arrangement for the inductive transmission of acoustic signals - Google Patents
Hearing aid arrangement for the inductive transmission of acoustic signalsInfo
- Publication number
- DE2044870C3 DE2044870C3 DE2044870A DE2044870A DE2044870C3 DE 2044870 C3 DE2044870 C3 DE 2044870C3 DE 2044870 A DE2044870 A DE 2044870A DE 2044870 A DE2044870 A DE 2044870A DE 2044870 C3 DE2044870 C3 DE 2044870C3
- Authority
- DE
- Germany
- Prior art keywords
- hearing
- transmitter
- arrangement according
- hearing aid
- receiver
- 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
Links
- 230000001939 inductive effect Effects 0.000 title claims description 3
- 230000005540 biological transmission Effects 0.000 title description 4
- 230000005291 magnetic effect Effects 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 7
- 210000000959 ear middle Anatomy 0.000 claims description 6
- 210000003454 tympanic membrane Anatomy 0.000 claims description 5
- 206010048865 Hypoacusis Diseases 0.000 claims description 4
- 210000003027 ear inner Anatomy 0.000 claims description 4
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 2
- 210000001050 stape Anatomy 0.000 claims 1
- 208000032041 Hearing impaired Diseases 0.000 description 3
- 238000002604 ultrasonography Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 210000000613 ear canal Anatomy 0.000 description 2
- 210000003582 temporal bone Anatomy 0.000 description 2
- 235000009161 Espostoa lanata Nutrition 0.000 description 1
- 240000001624 Espostoa lanata Species 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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 or capacitive transmission systems
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Neurosurgery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Prostheses (AREA)
Description
Die Erfindung bezieht sich auf eine Hörgeräteanordnung für die induktive Übertragung von Signalen im Hörfrequenzbereich, insbesondere für Schwerhörige, mit einem Sender und einem Empfänger, wobei der Sender ein im Hörfrequenzbereich moduliertes Magnetfeld überträgt Eine Hörgeräteanordnung dieser Gattung ist bereits bei Diktier-Wiedergabegeräten bekannt wobei der Empfänger in die auf das Ohr der Person aufsetzbaren Muscheln eines Kopfhöhrers eingesetzt sind. Hierdurch wird die übrige Verbindungsschnur zwischen Wiedergabegerät und Kopfhöhrer überflüssig.The invention relates to a hearing aid arrangement for the inductive transmission of signals in the Hearing frequency range, especially for the hard of hearing, with a transmitter and a receiver, the A hearing aid arrangement transmits a magnetic field modulated in the audio frequency range This genus is already known from dictation playback devices, with the receiver in the on the ear of the Person attachable shells of headphones are used. This removes the rest of the connecting cord between the playback device and headphones superfluous.
Der Erfindung liegt die Aufgabe zugrunde, eine Hörgeräteanordnung der eingangs genannten Gattung derart auszubilden, daß sich das Aufsetzen von Kopfhörern mit Ohrmuscheln, in welchen die Empfänger untergebracht sind, erübrigt. Dies wird erfindungsgemäß dadurch erreicht, daß der Empfänger ein schwingfähiges, vormagnetisiertes, ferromagnetisches Element ist, welches im Gehörgang, am Trommelfell oder im Mittelohr an Hammer, Amboß oder Steigbügel der hörenden Person befestigbar oder in deren Innenohrflüssigkeit einsetzbar ist. Damit ist eine Hörgeräteanordnung geschaffen, bei der sämtliche Geräteteile von der Person von außen unsichtbar getragen werden können und die sich daher vor allem als Hörgerät für Schwerhörige eignet.The invention is based on the object of a hearing aid arrangement of the type mentioned at the beginning to be designed in such a way that there is no need to put on headphones with ear cups in which the receivers are housed. This is achieved according to the invention that the recipient a oscillatable, pre-magnetized, ferromagnetic element, which is located in the ear canal, on the eardrum or attachable in the middle ear to the hammer, anvil or stirrup of the hearing person or in their Inner ear fluid can be used. This creates a hearing aid arrangement in which all Device parts can be worn invisibly by the person from the outside and therefore above all suitable as a hearing aid for the hard of hearing.
Es ist zwar bereits ein Hörgerät für Schwerhörige bekannt, bei dem ein Ultraschallsender mit Mikrofon und Steuerverstärker am Körper des Schwerhörigen anzuordnen und mit einem Ultraschallgeber verbunden ist, durch welchen modulierter Ultraschall übertragen wird. Die Empfangseinrichtung ist jedoch ein Knochenhörer, der an oder in einem oder mehreren Zähnen oderA hearing aid for the hard of hearing is already known in which an ultrasound transmitter with a microphone and to arrange control amplifiers on the body of the hearing impaired and connected to an ultrasound transmitter is through which modulated ultrasound is transmitted. The receiving device is, however, a bone receiver that is on or in one or more teeth or Zahnprotesen des Schwerhörigen angeordnet oder als Zahn bzw. Zähne ausgebildet ist Mit der erfindungsgemäßen Hörgeräteanordnung ist jedoch die Schallzuführungauf dem Luftwege möglich. Das schwingfähige Element ist zweckmäßig ein kleiner stabförmiger Permanentmagnet oder eine elastische, ferromagnetische Membrane, welche auf einem topfiörmigen Permanentmagneten freischwingend gelagert ist In diesem Fall erscheint es dann zweckmäßig, wenn Membrane und Topfmagnet eine geschlossene Kammer bilden, welche in direktem Kontakt mit dem Mittelohr stehtDental prostheses of the hearing impaired is arranged or designed as a tooth or teeth. However, the hearing aid arrangement according to the invention enables sound to be supplied via the airways. The oscillatable element is expediently a small rod-shaped permanent magnet or a elastic, ferromagnetic membrane, which is mounted freely oscillating on a cup-shaped permanent magnet. In this case it appears useful if the membrane and pot magnet form a closed chamber, which in direct Is in contact with the middle ear
Weitere Einzelheiten der Erfindung sollen im folgenden an Hand eines Ausführungsbeispieles näher ls erläutert und beschrieben werden, wobei auf die Figur Bezug genommen ist, welche in schematischer Darstellung ein Schwerhörigengerät gemäß der Erfindung darstelltFurther details of the invention will be explained in more detail an embodiment of ls and described in the following on hand, reference being made to the Figure showing a schematic representation of a hearing device according to the invention
die'Sendereinheit aus einem Mikrophon 1 und/oderthe transmitter unit from a microphone 1 and / or einem äquivalenten Gerät Z Diese Elemente 1 und 2an equivalent device Z These elements 1 and 2 sind über einen Schalter 3 und eine Leitung 4 mit einemare via a switch 3 and a line 4 with a
verbunden. Dieser Sender 7 besteht vorzugsweise austied together. This transmitter 7 preferably consists of einer Wicklung, welche von Strömen durchflossen ist,a winding through which currents flow, die entsprechend den'>m Hörfrequenzbereich liegendenthose corresponding to the listening frequency range
kann die Wicklung des Senders 7 um einen ferromagnecan the winding of the transmitter 7 around a ferromagne tischen Kern herum angeordnet sein.tables core be arranged around.
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 aid of the current-carrying winding of the transmitter 7, a time is generated in a manner known per se changing magnetic field, which according to the field line configuration extends far out into extends the space.
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 Richtung der Feldlinien auszurichten. Dadurch werden Kräfte auf das Trommelfell übertragen, welche über die Mittelohrknöchelchen Hammer, Amboß und Steigbügel entsprechende Schwingungen an die Flüssigkeiten des Innenohres weiterleiten. Diese Schwingungen werden innerhalb des Innenohres in entsprechende Nervenimpulse umgesetzt.According to the figure, there is a magnetic one inside the ear canal, adjacent to the eardrum Receiver 8 arranged This magnetic receiver 8 preferably consists of a small, Rod-shaped permanent magnet, which is caused by the presence of temporally fluctuating magnetic fields the attempt is made to orientate oneself more or less strongly in the direction of the field lines. This creates forces The tympanic membrane is transmitted through the bones of the middle ear, hammer, anvil, and stirrup, transmitting appropriate vibrations to the fluids in the inner ear. These vibrations are within of the inner ear converted into corresponding nerve impulses.
Da für die Auslösung von Gehörempfindungen bereits äußerst geringe Drücke in der Größenordnung von 10-'6 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.Since cm 2 are sufficient for the initiation of auditory sensations already extremely low pressures on the order of 10 -6 to 10 -4 watts /, are usually sufficient relatively weak, fluctuating magnetic fields in order to such a receiver 8 in the desired manner into vibrations offset.
Während der Empfänger 8 vorzugsweise am Trommelfell angebracht ist, kann die Sendeeinheit einschließlich Mikrophon 1, Verstärker 5 und Sender 7 entweder in einen Brillenbügel eingebaut sein oder als geschlossene Einheit innerhalb der Brusltasche getragen werden. Durch die Verwendung zeitlich sich verändernder Magnetfelder als Übertragungsmedium erübrigt sich eine Leitungsverbindung, welche für den Träger störend ist. Ferner wird in dem Bereich des Empfängers keine Batterie benötigt, da die zum Speisen des Empfängers erforderliche Energie dem zeitlich fluktuierenden Magnetfeld entnommen wird.While the receiver 8 is preferably attached to the eardrum, the transmitter unit including microphone 1, amplifier 5 and transmitter 7 can either be built into a temple or worn as a closed unit inside the chest pocket. The use of temporally changing magnetic fields as a transmission medium is unnecessary a line connection which is disruptive to the wearer. Furthermore, in the area of the recipient there is no Battery required because the energy required to feed the receiver fluctuates over time Magnetic field is taken.
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 be able to influence the recipient in a certain way, one or more of them can be in the temporal bone used magnetic conductors be provided. In the Figure such a magnetic conductor 9 is 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, ferromagnetischen Membrane als Abschluß befindet Die den topfförmigen Magneten enthaltende und durch die Membrane abgeschlossene Kammer kann in das Felsenbein eingesetzt werden und ist durch die pneumatischen Zellen direkt mit dem Mittefohrraum verbunden. Durch die Schwingungen der Membrane innerhalb der pneumatischen Räume werden Druckveränderungen hervorgerufen, die auf das Mittelohr übertragenIn certain cases it can be useful to use the magnetic receiver as a pot magnet train, which is in an airtight chamber with an elastic, ferromagnetic Membrane as a conclusion is the one containing the cup-shaped magnet and through the membrane enclosed chamber can be inserted into the temporal bone and is through the pneumatic Cells connected directly to the central ear space. Due to the vibrations of the membrane within the Pneumatic spaces create pressure changes that are transmitted to the middle ear
werden.will.
Pie vorliegende Erfindung ist nicht nur for den Bbu von Schwerhörigengeräten, sondern auch für diagnostische und experimentelle Vorrichtungen, Souffleurgeräte, Meßeinrichtungen und Informationsübertragungseinheiten verwendbar. The present invention is not just for the Bbu of hearing-impaired devices, but also for diagnostic and experimental devices, prompter devices, Measuring devices and information transmission units can be used.
Zum Soufflieren im Theater besteht z, B, die Möglichkeit, den Empfänger 8 in einen Wattebausch zu wickeln, welcher in einfacher Weise in das Ohr einsetzbar ist Für die Übertragung von Informationen in größeren Räumen — beispielsweise Museen — besteht die Möglichkeit entlang der Wände des betreffenden Raumes eine Schleife auszulegen, durch welche ein genügend hohes 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 there is, for example, the Possibility to put the receiver 8 in a cotton ball too wrap, which can be easily inserted into the ear For the transmission of information in larger rooms - for example museums - there is the possibility along the walls of the to design a loop through which a sufficiently high 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.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2044870A DE2044870C3 (en) | 1970-09-10 | 1970-09-10 | Hearing aid arrangement for the inductive transmission of acoustic signals |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2044870A DE2044870C3 (en) | 1970-09-10 | 1970-09-10 | Hearing aid arrangement for the inductive transmission of acoustic signals |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2044870A1 DE2044870A1 (en) | 1972-03-16 |
DE2044870B2 DE2044870B2 (en) | 1978-05-11 |
DE2044870C3 true DE2044870C3 (en) | 1978-12-21 |
Family
ID=5782113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2044870A Expired DE2044870C3 (en) | 1970-09-10 | 1970-09-10 | Hearing aid arrangement for the inductive transmission of acoustic signals |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2044870C3 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7668325B2 (en) | 2005-05-03 | 2010-02-23 | Earlens Corporation | Hearing system having an open chamber for housing components and reducing the occlusion effect |
US7867160B2 (en) | 2004-10-12 | 2011-01-11 | Earlens Corporation | Systems and methods for photo-mechanical hearing transduction |
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 |
US8401212B2 (en) | 2007-10-12 | 2013-03-19 | Earlens Corporation | Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management |
US8401214B2 (en) | 2009-06-18 | 2013-03-19 | Earlens Corporation | Eardrum implantable devices for hearing systems and methods |
US8715152B2 (en) | 2008-06-17 | 2014-05-06 | Earlens Corporation | Optical electro-mechanical hearing devices with separate power and signal components |
US8715153B2 (en) | 2009-06-22 | 2014-05-06 | Earlens Corporation | Optically coupled bone conduction systems and methods |
US8715154B2 (en) | 2009-06-24 | 2014-05-06 | Earlens Corporation | Optically coupled cochlear actuator systems and methods |
US9055379B2 (en) | 2009-06-05 | 2015-06-09 | Earlens Corporation | Optically coupled acoustic middle ear implant systems and methods |
US9544700B2 (en) | 2009-06-15 | 2017-01-10 | Earlens Corporation | Optically coupled active ossicular replacement prosthesis |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2844979C2 (en) * | 1978-10-16 | 1989-08-31 | Juval Dr.-Ing. 8000 München Mantel | Hearing aid |
DD258697A1 (en) * | 1985-02-28 | 1988-07-27 | Inst Kulturbauten | ARRANGEMENT FOR AN AUDIOVISUAL INFORMATION SYSTEM ABOUT EXHIBITION OBJECTS |
DE3508830A1 (en) * | 1985-03-13 | 1986-09-18 | Robert Bosch Gmbh, 7000 Stuttgart | Hearing aid |
US4606329A (en) * | 1985-05-22 | 1986-08-19 | Xomed, Inc. | Implantable electromagnetic middle-ear bone-conduction hearing aid device |
US4612915A (en) * | 1985-05-23 | 1986-09-23 | Xomed, Inc. | Direct bone conduction hearing aid device |
US4774933A (en) * | 1987-05-18 | 1988-10-04 | Xomed, Inc. | Method and apparatus for implanting hearing device |
US4936305A (en) * | 1988-07-20 | 1990-06-26 | Richards Medical Company | Shielded magnetic assembly for use with a hearing aid |
KR100229086B1 (en) * | 1990-11-07 | 1999-11-01 | 빈센트 블루비너지 | Contact transducer assembly for hearing devices |
DE69222039T2 (en) * | 1991-04-01 | 1998-01-15 | Resound Corp | UNKNOWLEDGE COMMUNICATION PROCEDURE USING AN ELECTROMAGNETIC REMOTE CONTROL |
US5276910A (en) * | 1991-09-13 | 1994-01-04 | Resound Corporation | Energy recovering 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 |
DK2301262T3 (en) | 2008-06-17 | 2017-11-13 | Earlens Corp | Optical electromechanical hearing aids with combined power and signal structure |
BRPI0919266A2 (en) | 2008-09-22 | 2017-05-30 | SoundBeam LLC | device and method for transmitting an audio signal to a user, methods for manufacturing a device for transmitting an audio signal to the user, and for providing an audio device for a user, and device and method for transmitting a sound for a user. user having a tympanic membrane |
DE102009016843B3 (en) * | 2009-04-08 | 2010-08-05 | Siemens Medical Instruments Pte. Ltd. | Magnetofluidic hearing aid system |
AU2010263045A1 (en) | 2009-06-18 | 2012-02-09 | Earlens Corporation | Optically coupled cochlear implant systems and methods |
DK2446646T3 (en) | 2009-06-22 | 2019-02-04 | Earlens Corp | Hearing aid for coupling to the round window |
WO2010151636A2 (en) | 2009-06-24 | 2010-12-29 | SoundBeam LLC | Optical cochlear stimulation devices and methods |
DK2656639T3 (en) | 2010-12-20 | 2020-06-29 | Earlens Corp | Anatomically adapted ear canal hearing aid |
DE102013114771B4 (en) | 2013-12-23 | 2018-06-28 | Eberhard Karls Universität Tübingen Medizinische Fakultät | In the auditory canal einbringbare hearing aid and hearing aid system |
US10034103B2 (en) | 2014-03-18 | 2018-07-24 | Earlens Corporation | High fidelity and reduced feedback contact hearing apparatus and methods |
EP3169396B1 (en) | 2014-07-14 | 2021-04-21 | Earlens Corporation | Sliding bias and peak limiting for optical hearing devices |
US9924276B2 (en) | 2014-11-26 | 2018-03-20 | Earlens Corporation | Adjustable venting for hearing instruments |
WO2017059240A1 (en) | 2015-10-02 | 2017-04-06 | Earlens Corporation | Drug delivery customized ear canal apparatus |
US11350226B2 (en) | 2015-12-30 | 2022-05-31 | Earlens Corporation | Charging protocol for rechargeable hearing systems |
US10306381B2 (en) | 2015-12-30 | 2019-05-28 | Earlens Corporation | Charging protocol for rechargable hearing systems |
US10492010B2 (en) | 2015-12-30 | 2019-11-26 | Earlens Corporations | Damping in contact hearing systems |
EP3510796A4 (en) | 2016-09-09 | 2020-04-29 | Earlens Corporation | Contact hearing systems, apparatus and methods |
WO2018093733A1 (en) | 2016-11-15 | 2018-05-24 | Earlens Corporation | Improved impression procedure |
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 |
WO2019173470A1 (en) | 2018-03-07 | 2019-09-12 | Earlens Corporation | Contact hearing device and retention structure materials |
WO2019199680A1 (en) | 2018-04-09 | 2019-10-17 | Earlens Corporation | Dynamic filter |
-
1970
- 1970-09-10 DE DE2044870A patent/DE2044870C3/en not_active Expired
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7867160B2 (en) | 2004-10-12 | 2011-01-11 | Earlens Corporation | Systems and methods for photo-mechanical hearing transduction |
US7668325B2 (en) | 2005-05-03 | 2010-02-23 | Earlens Corporation | Hearing system having an open chamber for housing components and reducing the occlusion effect |
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 |
US8401212B2 (en) | 2007-10-12 | 2013-03-19 | Earlens Corporation | Multifunction system and method for integrated hearing and communication with noise cancellation and feedback management |
US8396239B2 (en) | 2008-06-17 | 2013-03-12 | Earlens Corporation | Optical electro-mechanical hearing devices with combined power and signal architectures |
US8715152B2 (en) | 2008-06-17 | 2014-05-06 | Earlens Corporation | Optical electro-mechanical hearing devices with separate power and signal components |
US9055379B2 (en) | 2009-06-05 | 2015-06-09 | Earlens Corporation | Optically coupled acoustic middle ear implant systems and methods |
US9544700B2 (en) | 2009-06-15 | 2017-01-10 | Earlens Corporation | Optically coupled active ossicular replacement prosthesis |
US8401214B2 (en) | 2009-06-18 | 2013-03-19 | Earlens Corporation | Eardrum implantable devices for hearing systems and methods |
US8715153B2 (en) | 2009-06-22 | 2014-05-06 | Earlens Corporation | Optically coupled bone conduction systems and methods |
US8715154B2 (en) | 2009-06-24 | 2014-05-06 | Earlens Corporation | Optically coupled cochlear actuator systems and methods |
Also Published As
Publication number | Publication date |
---|---|
DE2044870B2 (en) | 1978-05-11 |
DE2044870A1 (en) | 1972-03-16 |
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C3 | Grant after two publication steps (3rd publication) | ||
EHJ | Ceased/non-payment of the annual fee |