# US 2021/0084418 A1 · A hearing device including an external antenna part and an internal antenna part > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0084418 A1 - Document ID: US20210084418A1 - Status: Published application - Kind: A1 - Application number: 17/105,854 - Filed: 2020-11-27 - Published: 2021-03-18 - Earliest claimed: 2016-12-29 - Assignees: Oticon A/S - Applicants: Oticon A/S - Inventors: Jens TROELSEN; Rune SØ; Morten THOUGAARD - Web page: https://patentgrep.com/patent/US20210084418A1 ## CPC - H04R 25/554: {using a wireless connection, e.g. between microphone and amplifier or using Tcoils} - H04R 25/60: {Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles (ear wax retarders, e.g. mounting thereof H04R25/654)} - H04R 25/607: {of earhooks} - H04R 25/609: {of circuitry (of electronic switches or control elements H04R25/603)} - H04R 2225/021: Behind the ear [BTE] hearing aids - H04R 2225/0216: BTE hearing aids having a receiver in the ear mould - H04R 2225/49: Reducing the effects of electromagnetic noise on the functioning of hearing aids, by, e.g. shielding, signal processing adaptation, selective (de)activation of electronic parts in hearing aid - H04R 2225/51: Aspects of antennas or their circuitry in or for hearing aids - H04R 2225/67: Implantable hearing aids or parts thereof not covered by H04R25/606 - H04R: LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS (producing sounds with frequency not determined by supply frequency G10K) ## Abstract The disclosure presents a method and a hearing device comprising a first portion adapted for being arranged behind an ear of a user for providing a signal, an output transducer for converting the signal to an acoustic output, a coupling element coupled to the first portion, and wherein the coupling element is adapted for transmitting at least the signal or the acoustic output. Furthermore, the hearing device comprises an antenna which includes an external antenna part and an internal antenna part, where the internal antenna part includes a first antenna element, a second antenna element where a first end of the second antenna element is arranged at one end of the first antenna element and is connected thereto, and where a second end of the second antenna element is connected to a ground plane, and a third antenna element which is spaced at a distance from the second antenna element and connected to the first antenna element, a feeding unit configured to supply a current to the antenna via the third antenna element, a wireless interface for receiving and/or sending data by means of the antenna, and wherein the coupling element comprises the external antenna part, and where the external antenna part is connected to the internal antenna part. ## Claims ### Claim 1 A hearing device comprising a housing configured to be positioned behind the ear of a person, an in-the-ear part configured to be positioned at least partly in the ear canal of the person, wherein an output transducer configured to converting the signal to an acoustic output is arranged in the in-the-ear part, a connection member configured to provide a mechanical connection extending between the in-the-ear housing and the behind-the-ear housing, an antenna formed in one of: at least one of a plurality of electrical conductors in the connection member, internal to the behind-the-ear housing, both in the at least one of a plurality of electrical conductors in the connection member and internal to the behind-the-ear housing, and both in the at least one of a plurality of electrical conductors in the connection member and internal to the behind-the-ear housing to establish a dipole antenna where one arm of the antenna is in the connection member and the other arm is inside the behind-the-ear housing, a wireless interface arranged in the behind-the-ear housing, the wireless interface configured for receiving and/or sending data via the antenna, and a sensor arranged in the in-the-ear part or in the behind-the-ear housing, the sensor being one of: a temperature sensor, an accelerometer, a pulse sensor, a microphone, an EEG sensor, an electrode, and a photodetector, wherein an electrical conductor of the connection member is arranged to carry electrical signals to/from the sensor or to/from a processor configured for at least one of: controlling the sensor, processing signals be detected by the sensor, processing signals transmitted by the sensor, wherein at least a multitude of the plurality of electrical conductors are connected to a corresponding multitude of connection points on a substrate arranged in the in-the-ear housing, and wherein a decoupling element is arranged at a first connection point of the multitude of connection points. ### Claim 2 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element has a maximum dampening at the operating frequency or operating frequency interval of the antenna. ### Claim 3 (depends on 1) The hearing aid according to claim 1, wherein the antenna is configured with an operational frequency of around 2.4 GHz or around 5 GHz. ### Claim 4 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is a mainly or entirely capacitive decoupling element. ### Claim 5 (depends on 1) The hearing aid according to claim 1, wherein additional decoupling elements are arranged between a subset of the multitude of connection points. ### Claim 6 (depends on 1) The hearing aid according to claim 1, wherein decoupling elements are arranged between each of the connection points. ### Claim 7 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is a low impedance decoupling element at radio frequencies. ### Claim 8 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is a discrete capacitor having a capacitance in the range of 0.1 pF-1000 pF. ### Claim 9 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is an ESD diode. ### Claim 10 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is a parasitic capacitance. ### Claim 11 (depends on 1) The hearing aid according to claim 1, wherein the decoupling element is tuned to the operation frequency of the antenna. ### Claim 12 (depends on 1) The hearing aid according to claim 1, wherein the wireless interface is configured to operate using the Bluetooth protocol. ### Claim 13 (depends on 1) The hearing aid according to claim 1, wherein the housing includes a second antenna. ### Claim 14 (depends on 1) The hearing aid according to claim 1, wherein the housing includes an internal parasitic element connected to a ground plane. ### Claim 15 (depends on 14) The hearing aid according to claim 14, wherein the internal parasitic element is formed on a printed circuit board. ### Claim 16 (depends on 1) The hearing aid according to claim 1, wherein the in-the-ear part includes a light emitting diode.