DE102008022127A1 - Method for reducing body effects of hearing aid carrier on high frequency antenna e.g. horizontal magnetic loop antenna, in hearing aid, involves adjusting antenna matched to frequency that differs from operating frequency of radio system - Google Patents
Method for reducing body effects of hearing aid carrier on high frequency antenna e.g. horizontal magnetic loop antenna, in hearing aid, involves adjusting antenna matched to frequency that differs from operating frequency of radio system Download PDFInfo
- Publication number
- DE102008022127A1 DE102008022127A1 DE200810022127 DE102008022127A DE102008022127A1 DE 102008022127 A1 DE102008022127 A1 DE 102008022127A1 DE 200810022127 DE200810022127 DE 200810022127 DE 102008022127 A DE102008022127 A DE 102008022127A DE 102008022127 A1 DE102008022127 A1 DE 102008022127A1
- Authority
- DE
- Germany
- Prior art keywords
- antenna
- frequency
- hearing aid
- radio system
- operating frequency
- 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.)
- Ceased
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/51—Aspects of antennas or their circuitry in or for hearing aids
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)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Heute werden bereits verschiedene Funktechnologien in Hörgeräten eingesetzt. Funktechnologien bieten zum einen die Möglichkeit, dass das Signal-Rausch-Verhältnis erhöht werden kann, so dass der Hörgeräteträger somit das gesprochene Wort in lärmbelasteten Umfeldern besser verstehen kann. Zum anderen können mittels Funktechnologien über kurze Distanzen entweder Steuersignale zur Bedienung des Hörgeräts oder Audiosignale von Fernsehgeräten, Stereoanlagen oder Telefonen übertragen werden. Stand der Technik sind induktive Übertragungssysteme. Als Sende- und Empfangsantennen werden magnetische häufig Ferritkernspulen eingesetzt.today Various radio technologies are already being used in hearing aids. On the one hand, wireless technologies offer the possibility of increasing the signal-to-noise ratio can, so that the hearing aid wearer thus the spoken word in noisy places Better understand environments. On the other hand, using wireless technologies over short Distances either control signals to operate the hearing aid or Audio signals from televisions, Stereo systems or telephones are transmitted. The state of the art is inductive transmission systems. As transmitting and receiving antennas are often magnetic ferrite core coils used.
Eine signifikante Erhöhung der Funkreichweite kann nicht mehr in erster Linie mit niederfrequenten induktiven Systemen, sondern eher durch die Verwendung von elektromagnetischen Hochfrequenzfunksystemen erreicht werden. Ferritkernspulen erweisen sich bei Hochfrequenzsystemen als nicht effizient genug, so dass klassische Antennen-Dipolstrukturen vorteilhaft erscheinen. Um eine funktionsfähige Funkverbindung sicher zu stellen, sollten die im Hörgerät eingebauten Antennenstrukturen gewisse Mindestanforderungen an die elektrische Anpassung (zur Erreichung minimale Reflektionen der einfallenden Wellen) und an den Antennengewinn (Effizienz der Antenne) erfüllen.A significant increase the radio range can no longer be primarily low-frequency inductive systems, but rather by the use of electromagnetic High-frequency radio systems can be achieved. Ferrite core coils prove in high-frequency systems as not efficient enough, so that classical antenna dipole structures appear advantageous. To a functional radio connection To ensure that the built in the hearing aid antenna structures certain minimum requirements for electrical adaptation (to achieve minimal reflections of the incident waves) and to the antenna gain (Efficiency of the antenna).
Der Antennengewinn hängt bei optimaler elektrischer Anpassung auch vom Antennendesign und im Wesentlichen von der für die Antenne zur Verfügung stehenden Fläche bzw. dem Volumen ab. Beide Faktoren sind in Hörgeräten stark limitiert, so dass nur der Einbau von Antennen mit niedrigem Antennengewinn und relativ schmalem Frequenz-Anpassbereich möglich ist. Umso wichtiger ist es daher, eine optimale elektrische Anpassung der Antenne (d. h. eine möglichst geringe Reflektion der einfallenden Welle) zu gewährleisten.Of the Antenna gain hangs with optimum electrical adaptation also of the antenna design and essentially from the for the antenna available standing area or the volume. Both factors are severely limited in hearing aids, so only the installation of antennas with low antenna gain and relative narrow frequency adjustment range is possible. The more important is Therefore, optimal electrical matching of the antenna (i.e. preferably low reflection of the incident wave).
Elektromagnetische Antennen verstimmen sich in der Nähe von dielektrischen Materialien und damit auch in der Nähe der menschlichen Haut, die eine relativ hohe Dielektrizitätskonstante (DK-70-80) besitzt. Die Folge ist eine elektrische Fehlanpassung der Antenne, was eine teilweise Reflektion der einfallenden elektromagnetischen Welle und damit Verschlechterung der Funkübertragung zur Folge hat. Der Grad der Fehlanpassung der auf bzw. im Hörgerät befindlichen Antenne kann von Person zu Person auf Grund unterschiedlicher körperlicher Gegebenheiten (Nähe des Hörgeräts zur Haut, Trageposition) stark verschieden sein.electromagnetic Antennas detune near dielectric materials and therefore also nearby of human skin, which has a relatively high dielectric constant (DK-70-80). The result is an electrical mismatch of the Antenna, resulting in a partial reflection of the incident electromagnetic Wave and thus deterioration of radio transmission has the consequence. Of the Degree of mismatch of located on or in the hearing aid antenna can from person to person due to different physical Conditions (proximity the hearing aid to the skin, Wearing position) be strongly different.
Bisher werden vorwiegend induktive Systeme in Hörgeräten verwendet (FM-Systeme), beispielsweise induktive Systeme zur Fernbedienung des Hörgeräts oder induktive Systeme für den Audioempfang über kurze Distanzen. Ebenfalls bekannt ist der Einsatz von niederfrequenten Systemen, bei denen Ferritkernspulen als magnetische Antennen verwendet werden.So far predominantly inductive systems are used in hearing aids (FM systems), For example, inductive systems for remote control of the hearing aid or inductive systems for the audio reception over short distances. Also known is the use of low-frequency Systems in which ferrite core coils are used as magnetic antennas become.
Der Erfindung liegt die Aufgabe zugrunde, die geschilderten Schwierigkeiten zu vermeiden. Diese Aufgabe wird durch ein Verfahren oder eine Vorrichtung nach einem der unabhängigen Patentansprüche gelöst.Of the Invention is based on the object, the difficulties described to avoid. This object is achieved by a method or a device after one of the independent ones claims solved.
Im Folgenden wird die Erfindung anhand bevorzugter Ausführungsbeispiele und mit Hilfe von Figuren näher beschrieben. Dabei zeigtin the The invention is based on preferred embodiments and with the help of figures closer described. It shows
Die später beim Tragen des Hörgerätes zu erwartende mittlere Fehlanpassung kann bereits im Antennendesign berücksichtigt werden. Die Antennenanpassung wird gemäß der vorliegenden Erfindung auf eine Frequenz eingestellt, die sich von der tatsächlichen Betriebsfrequenz des Funksystems unterscheidet. Sitzt das Gerät später am Ohr des Hörgeräteträgers, kommt es zu einer Verstimmung der Antenne in Richtung der Betriebsfrequenz, so dass im Idealfall die Anpassfrequenz der Betriebsfrequenz entspricht. Diese Maßnahme wird für die mittlere zu erwartende Fehlanpassung durchgeführt. Je nach den körperlichen Gegebenheiten (Nähe des Hörgeräts zur Haut, Trageposition) wird die tatsächliche Antennenanpassung davon mehr oder weniger stark abweichen.The later to be expected when wearing the hearing aid mean mismatch can already be considered in the antenna design become. The antenna matching is according to the present invention set to a frequency different from the actual one Operating frequency of the radio system is different. Sits the device later on the ear of the hearing aid wearer, comes there is a detuning of the antenna in the direction of the operating frequency, so that ideally the matching frequency corresponds to the operating frequency. This measure is for the mean expected mismatch is performed. ever after the physical Conditions (proximity the hearing aid to the skin, Wearing position) will be the actual antenna match of which deviate more or less strongly.
Eine zusätzliche Maßnahme kann sein, die Antenne gegenüber elektrischer Fehlanpassung unempfindlicher auszulegen. Dies kann einerseits dadurch geschehen, dass designbedingt (d. h. konstruktionsbedingt) von der Antenne nur überwiegend magnetische Feldkomponenten aufgenommen werden, elektrische Felder durch geeignete Maßnahmen aber abgeschirmt werden.An additional measure may be, the antenna against electrical mismatch un more sensitive. On the one hand, this can happen because, for design reasons (ie, due to the design), only predominantly magnetic field components are picked up by the antenna, but electrical fields are shielded by suitable measures.
Auf der anderen Seite können elektrische Antennen, die in der Regel einen höheren Antennengewinn aufweisen, eingesetzt werden, wenn diese auf geeignete Substrate mit hoher Dielektrizitätskonstante aufgebracht oder von diesen geschirmt werden. Der zusätzliche Einfluss von Körpereffekten durch den Hörgeräteträger kann damit stark verringert werden. Die später zu erwartende mittlere Fehlanpassung der Hörgeräteantenne wird bereits im Antennendesign berücksichtigt.On the other side can electrical antennas, which generally have a higher antenna gain, when used on suitable substrates with high permittivity applied or screened by these. The additional Influence of body effects the hearing aid wearer can be greatly reduced. The later expected mean mismatch the hearing aid antenna already considered in the antenna design.
Die Antennenanpassung wird auf eine Frequenz eingestellt, die sich von der tatsächlichen Betriebsfrequenz unterscheidet, so dass später durch die Frequenzverschiebung beim Tragen des Hörgerätes die Anpassfrequenz der Betriebsfrequenz entspricht.The Antenna matching is set to a frequency different from the actual Operating frequency is different, so later due to the frequency shift while wearing the hearing aid the Matching frequency of the operating frequency corresponds.
Es können auch Antennentypen verwendet werden, die überwiegend magnetische Komponenten des Übertragungsfeldes aufnehmen. Beispiele sind magnetische Schleifenantennen. In den Bildern (Figuren) 1–3 sind beispielhaft Ausführungen für magnetische horizontale und vertikale Antennen dargestellt. Elektrische Felder, die zur Fehlanpassung der Antenne führen, werden durch entsprechende Maßnahmen geschirmt. Eingesetzt werden können hierzu leitfähige Metall-Schirmfolien oder in bzw. auf die Hörgeräteschale aufdampfte Metallisierungsschichten. Die Metallisierung wird so ausgeführt, dass elektrische Felder effektiv geschirmt, Kreisströme gleichzeitig jedoch unterbunden werden. Beispielsweise kann das Schirm blech geschlitzt oder an einer Stelle aufgetrennt werden. Je nach Ausführung – mit kompletter oder teilweiser Schirmung – kann der Einfluss von Körpereffekten mehr oder weniger stark unterbunden werden.It can Also used are antenna types, which are predominantly magnetic components of the transmission field take up. Examples are magnetic loop antennas. In the Pictures (Figures) 1-3 are exemplary versions for magnetic horizontal and vertical antennas are shown. Electric fields, which lead to the mismatch of the antenna, are by appropriate activities shielded. Can be used conductive Metal screen films or in or on the hearing aid shell vapor-deposited metallization layers. The metallization is carried out so that electric fields effectively shielded, circulating currents at the same time, however, be prevented. For example, that can Shield sheet slotted or separated in one place. Depending on the version - with complete or partial shielding - can the influence of body effects be more or less strongly prevented.
Bei der Verwendung von elektrischen Antennen, beispielsweise dipolartigen Antennen, können diese auf Materialien mit hoher Dielektrizitätskonstante DK (beispielsweise Keramiken oder mit Keramikpulver versetzte Kunststoffe) aufgebracht oder durch diese geschirmt werden. Der später beim Tragen des Hörgerätes auftretende zusätzliche Einfluss von Körpereffekten kann damit stark verringert werden. Außerdem können durch diese Maßnahmen die durch unterschiedliche körperliche Gegebenheiten der Hörgeräteträgers (Nähe des Hörgeräts zur Haut, Trageposition) bedingten Toleranzen der Antennenanpassung damit minimiert werden.at the use of electrical antennas, such as dipole-like Antennas, these can on materials with high dielectric constant DK (for example Ceramics or plastics mixed with ceramic powder) or be screened by it. The later occurring when wearing the hearing aid additional Influence of body effects can be greatly reduced. In addition, through these measures by different physical Conditions of the hearing aid wearer (proximity of the hearing aid to the skin, wearing position) conditional tolerances of the antenna matching are thus minimized.
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE200810022127 DE102008022127A1 (en) | 2008-05-05 | 2008-05-05 | Method for reducing body effects of hearing aid carrier on high frequency antenna e.g. horizontal magnetic loop antenna, in hearing aid, involves adjusting antenna matched to frequency that differs from operating frequency of radio system |
Applications Claiming Priority (1)
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DE200810022127 DE102008022127A1 (en) | 2008-05-05 | 2008-05-05 | Method for reducing body effects of hearing aid carrier on high frequency antenna e.g. horizontal magnetic loop antenna, in hearing aid, involves adjusting antenna matched to frequency that differs from operating frequency of radio system |
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DE102008022127A1 true DE102008022127A1 (en) | 2009-11-12 |
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DE200810022127 Ceased DE102008022127A1 (en) | 2008-05-05 | 2008-05-05 | Method for reducing body effects of hearing aid carrier on high frequency antenna e.g. horizontal magnetic loop antenna, in hearing aid, involves adjusting antenna matched to frequency that differs from operating frequency of radio system |
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Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014161177A (en) * | 2013-02-20 | 2014-09-04 | Nitto Denko Corp | Portable device and charging apparatus therefor, and portable device charging system |
DE102014203169A1 (en) * | 2014-02-21 | 2015-09-10 | Siemens Medical Instruments Pte. Ltd. | Antenna with shielding device and manufacturing method |
US9237404B2 (en) | 2012-12-28 | 2016-01-12 | Gn Resound A/S | Dipole antenna for a hearing aid |
US9237405B2 (en) | 2013-11-11 | 2016-01-12 | Gn Resound A/S | Hearing aid with an antenna |
US9293814B2 (en) | 2010-10-12 | 2016-03-22 | Gn Resound A/S | Hearing aid with an antenna |
US9369813B2 (en) | 2012-07-06 | 2016-06-14 | Gn Resound A/S | BTE hearing aid having two driven antennas |
US9402141B2 (en) | 2012-07-06 | 2016-07-26 | Gn Resound A/S | BTE hearing aid with an antenna partition plane |
US9408003B2 (en) | 2013-11-11 | 2016-08-02 | Gn Resound A/S | Hearing aid with an antenna |
US9446233B2 (en) | 2007-05-31 | 2016-09-20 | Gn Resound A/S | Behind-the-ear (BTE) prosthetic device with antenna |
US9554219B2 (en) | 2012-07-06 | 2017-01-24 | Gn Resound A/S | BTE hearing aid having a balanced antenna |
US9686621B2 (en) | 2013-11-11 | 2017-06-20 | Gn Hearing A/S | Hearing aid with an antenna |
US9729979B2 (en) | 2010-10-12 | 2017-08-08 | Gn Hearing A/S | Antenna system for a hearing aid |
US9883295B2 (en) | 2013-11-11 | 2018-01-30 | Gn Hearing A/S | Hearing aid with an antenna |
DE102017219882B3 (en) | 2017-11-08 | 2019-01-03 | Sivantos Pte. Ltd. | hearing Aid |
US10205227B2 (en) | 2010-10-12 | 2019-02-12 | Gn Hearing A/S | Antenna device |
US10396442B2 (en) * | 2017-11-28 | 2019-08-27 | Starkey Laboratories, Inc. | Ear-worn electronic device incorporating combined dipole and loop antenna |
US10595138B2 (en) | 2014-08-15 | 2020-03-17 | Gn Hearing A/S | Hearing aid with an antenna |
US10985447B2 (en) | 2013-08-02 | 2021-04-20 | Gn Hearing A/S | Antenna device |
Citations (1)
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DE102006035125A1 (en) * | 2006-07-28 | 2008-01-31 | Siemens Audiologische Technik Gmbh | Device for use in hearing aid, has electric and magnetic antenna direction of current in electrical conductor of electric antenna proceeds orthogonal to direction of current in conducting loop of magnetic antenna |
-
2008
- 2008-05-05 DE DE200810022127 patent/DE102008022127A1/en not_active Ceased
Patent Citations (1)
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DE102006035125A1 (en) * | 2006-07-28 | 2008-01-31 | Siemens Audiologische Technik Gmbh | Device for use in hearing aid, has electric and magnetic antenna direction of current in electrical conductor of electric antenna proceeds orthogonal to direction of current in conducting loop of magnetic antenna |
Cited By (34)
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---|---|---|---|---|
US11491331B2 (en) | 2007-05-31 | 2022-11-08 | Cochlear Limited | Acoustic output device with antenna |
US12011593B2 (en) | 2007-05-31 | 2024-06-18 | Cochlear Limited | Acoustic output device with antenna |
US10219084B2 (en) | 2007-05-31 | 2019-02-26 | Gn Hearing A/S | Acoustic output device with antenna |
US9936312B2 (en) | 2007-05-31 | 2018-04-03 | Gn Hearing A/S | Acoustic output device with antenna |
US11123559B2 (en) | 2007-05-31 | 2021-09-21 | Cochlear Limited | Acoustic output device with antenna |
US11819690B2 (en) | 2007-05-31 | 2023-11-21 | Cochlear Limited | Acoustic output device with antenna |
US9446233B2 (en) | 2007-05-31 | 2016-09-20 | Gn Resound A/S | Behind-the-ear (BTE) prosthetic device with antenna |
US9729979B2 (en) | 2010-10-12 | 2017-08-08 | Gn Hearing A/S | Antenna system for a hearing aid |
US10205227B2 (en) | 2010-10-12 | 2019-02-12 | Gn Hearing A/S | Antenna device |
US9293814B2 (en) | 2010-10-12 | 2016-03-22 | Gn Resound A/S | Hearing aid with an antenna |
US10728679B2 (en) | 2010-10-12 | 2020-07-28 | Gn Hearing A/S | Antenna system for a hearing aid |
US10390150B2 (en) | 2010-10-12 | 2019-08-20 | Gn Hearing A/S | Antenna system for a hearing aid |
US9402141B2 (en) | 2012-07-06 | 2016-07-26 | Gn Resound A/S | BTE hearing aid with an antenna partition plane |
US9369813B2 (en) | 2012-07-06 | 2016-06-14 | Gn Resound A/S | BTE hearing aid having two driven antennas |
US9554219B2 (en) | 2012-07-06 | 2017-01-24 | Gn Resound A/S | BTE hearing aid having a balanced antenna |
US9237404B2 (en) | 2012-12-28 | 2016-01-12 | Gn Resound A/S | Dipole antenna for a hearing aid |
EP2961033A1 (en) * | 2013-02-20 | 2015-12-30 | Nitto Denko Corporation | Portable device, charging device for same, and charging system for portable device |
JP2014161177A (en) * | 2013-02-20 | 2014-09-04 | Nitto Denko Corp | Portable device and charging apparatus therefor, and portable device charging system |
CN105009407B (en) * | 2013-02-20 | 2019-01-22 | 日东电工株式会社 | Portable device and its charging equipment, portable device charging system |
EP2961033A4 (en) * | 2013-02-20 | 2016-08-03 | Nitto Denko Corp | Portable device, charging device for same, and charging system for portable device |
CN105009407A (en) * | 2013-02-20 | 2015-10-28 | 日东电工株式会社 | Portable device, charging device for same, and charging system for portable device |
US10483800B2 (en) | 2013-02-20 | 2019-11-19 | Nitto Denko Corporation | Portable device, charging device for same, and charging system for portable device |
US10985447B2 (en) | 2013-08-02 | 2021-04-20 | Gn Hearing A/S | Antenna device |
US9883295B2 (en) | 2013-11-11 | 2018-01-30 | Gn Hearing A/S | Hearing aid with an antenna |
US9686621B2 (en) | 2013-11-11 | 2017-06-20 | Gn Hearing A/S | Hearing aid with an antenna |
US9408003B2 (en) | 2013-11-11 | 2016-08-02 | Gn Resound A/S | Hearing aid with an antenna |
US9237405B2 (en) | 2013-11-11 | 2016-01-12 | Gn Resound A/S | Hearing aid with an antenna |
US9559409B2 (en) | 2014-02-21 | 2017-01-31 | Sivantos Pte. Ltd. | Antenna with shielding apparatus and manufacturing method |
DE102014203169A1 (en) * | 2014-02-21 | 2015-09-10 | Siemens Medical Instruments Pte. Ltd. | Antenna with shielding device and manufacturing method |
US10595138B2 (en) | 2014-08-15 | 2020-03-17 | Gn Hearing A/S | Hearing aid with an antenna |
EP3484179A1 (en) * | 2017-11-08 | 2019-05-15 | Sivantos Pte. Ltd. | Hearing aid |
US10694302B2 (en) | 2017-11-08 | 2020-06-23 | Sivantos Pte. Ltd. | Hearing aid |
DE102017219882B3 (en) | 2017-11-08 | 2019-01-03 | Sivantos Pte. Ltd. | hearing Aid |
US10396442B2 (en) * | 2017-11-28 | 2019-08-27 | Starkey Laboratories, Inc. | Ear-worn electronic device incorporating combined dipole and loop antenna |
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