EP2871859B1 - Hörgerät mit adaptivem Antennensystem - Google Patents

Hörgerät mit adaptivem Antennensystem Download PDF

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Publication number
EP2871859B1
EP2871859B1 EP13192315.3A EP13192315A EP2871859B1 EP 2871859 B1 EP2871859 B1 EP 2871859B1 EP 13192315 A EP13192315 A EP 13192315A EP 2871859 B1 EP2871859 B1 EP 2871859B1
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EP
European Patent Office
Prior art keywords
antenna
mode
feed
hearing aid
configuration
Prior art date
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EP13192315.3A
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English (en)
French (fr)
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EP2871859A1 (de
Inventor
Brian Jeppesen
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GN Hearing AS
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GN Hearing AS
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Filing date
Publication date
Application filed by GN Hearing AS filed Critical GN Hearing AS
Priority to EP13192315.3A priority Critical patent/EP2871859B1/de
Priority to DK13192315.3T priority patent/DK2871859T3/en
Priority to US14/204,891 priority patent/US9408005B2/en
Priority to JP2014228339A priority patent/JP6568685B2/ja
Priority to CN201410643779.9A priority patent/CN104640041B/zh
Publication of EP2871859A1 publication Critical patent/EP2871859A1/de
Application granted granted Critical
Publication of EP2871859B1 publication Critical patent/EP2871859B1/de
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    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • 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
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
    • 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

Definitions

  • the present invention relates to a hearing aid configured for transmitting or receiving a wireless signal.
  • a hearing aid with an adaptive antenna system for increasing the likelihood of properly receiving a wireless signal is disclosed.
  • Wireless communication to and from hearing aids has been increasing in continuation of the developments within wireless communication technology.
  • US 2010/054512 A1 shows a plurality of devices including a battery-operated hearing assistance device adapted to be worn by a person, which may include a link quality management device adapted to assess a link quality for a first wireless communication channel, provide channel metrics indicative of the assessed quality for the first wireless communication channel, and adjust wireless communication over the first wireless communication channel using the channel metrics for the first wireless communication channel.
  • a battery-operated hearing assistance device adapted to be worn by a person
  • a link quality management device adapted to assess a link quality for a first wireless communication channel, provide channel metrics indicative of the assessed quality for the first wireless communication channel, and adjust wireless communication over the first wireless communication channel using the channel metrics for the first wireless communication channel.
  • the hearing aid comprises a signal processor optionally for processing one or more audio signals to compensate a hearing loss of a user of the hearing aid; a wireless communications unit connected to the signal processor for wireless data communication; an antenna system with a data terminal and at least one control terminal, wherein the data terminal is connected to the wireless communications unit, the antenna system comprising a first antenna and one or more antenna feeds including a first antenna feed.
  • the antenna system comprises an antenna configurator for configuring the antenna system to operate in a selected antenna mode selected from a plurality of antenna modes including a first antenna mode and a second antenna mode according to a control signal on the at least one control terminal, wherein the antenna configurator is configured to apply a first antenna configuration to the data terminal when operating in the first antenna mode, and to apply a second antenna configuration to the data terminal when operating in the second antenna mode.
  • a method for operating a hearing aid comprising an antenna system with a data terminal for data communication.
  • the method comprises receiving a first parameter, e.g. indicating signal quality in a first antenna mode of the antenna system; optionally receiving a second parameter, e.g. indicating signal quality in a second antenna mode of the antenna system; determining an optimum antenna mode based on the first and/or second parameters; and configuring the antenna system to operate in the optimum antenna mode.
  • Configuring the antenna system comprises sending or applying a control signal to the antenna system.
  • Also disclosed herein is a method for operating a hearing aid, wherein the hearing aid comprises an antenna system with a data terminal for data communication.
  • the method comprises configuring the antenna system to operate in a first antenna mode if the hearing aid is in a transmitting state and configuring the antenna system to operate in a second mode if the hearing aid is in a receiving state.
  • Configuring the antenna system comprises sending or applying a control signal to the antenna system.
  • a hearing aid and a method for operating a hearing aid to improve the reception of an electromagnetic signal is provided.
  • the present invention relates to a hearing aid with an antenna system.
  • the antenna system comprises a data terminal and at least one control terminal.
  • the antenna system may comprise a first antenna and one or more antenna feeds, including a first antenna feed.
  • the antenna system may comprise an antenna configurator for configuring the antenna system to operate in a selected antenna mode.
  • the antenna mode may be selected from a plurality of antenna modes including a first antenna mode and a second antenna mode.
  • the configuration of the antenna system may be applied according to a control signal on the at least one control terminal.
  • the antenna configurator may be configured to apply a first antenna configuration to the data terminal when operating in the first antenna mode, and to apply a second antenna configuration to the data terminal when operating in the second antenna mode.
  • the hearing aid may comprise a processing unit including a signal processor for processing one or more audio signals to compensate for hearing loss or disability of the hearing device user.
  • the hearing aid comprises a wireless communications unit connected to the signal processor for wireless data communication.
  • the wireless communications unit may be connected to the data terminal of the antenna system.
  • An antenna configuration may involve the size, shape, type and location of the antenna and antenna segments along with the location of an antenna feed.
  • Provision of an adaptive antenna system by choosing or selecting between a number of different antenna configurations, enhances possibilities for receiving a desired signal, and/or enhances the quality of the received signal.
  • the polarization and/or radiation pattern of a transmitted signal may not be suited for reception by a specific antenna configuration due to the placement and orientation of the antenna and respective antenna feeds of the receiving antenna system.
  • the polarization and/or radiation pattern of an antenna configuration may be referred to as antenna characteristics.
  • a hearing aid as disclosed, with an antenna system comprising an antenna configurator, enable a hearing aid to reduce discrepancies between antenna configuration characteristics of the transmitting antenna system and the receiving antenna system.
  • a further advantage of some examples of a configurable antenna system may be that one antenna configuration may be suitable for a hearing aid being worn on a right ear of a user, while another antenna configuration may be suitable for a hearing aid being worn on a left ear of a user. Incorporating several antenna configurations in an antenna system for a hearing aid, may enable the same hearing aid to be used for left and right ears, thus reducing production costs.
  • An antenna configurator of a receiving antenna system may be able to apply different antenna modes comprising antenna configurations with different antenna characteristics, thereby altering the characteristics of a receiving and/or transmitting antenna system, hence improving reception and/or transmission of a signal with a radiation pattern and/or polarization not suited for reception by other antenna configurations.
  • an antenna configurator of a transmitting antenna system may be able to apply different antenna modes comprising antenna configuration with different antenna characteristics, thereby altering the characteristics of the transmitting antenna system.
  • the characteristics of an antenna may be determined by several factors, among others the shape and location of the actual antenna, as well as the antenna feed feeding or receiving the signal.
  • the term "characteristics of an antenna” may thus refer to a state of combination of properties such as the properties of the physical antenna, the one or more antenna feeds, and the characteristics, such as impedance, applied to the antenna feed.
  • the first antenna configuration may have a first radiation pattern, e.g. with a first main lobe in a first direction.
  • the second antenna configuration may have a second radiation pattern, e.g. with a second main lobe in a second direction.
  • the second radiation pattern may be different from the first radiation pattern.
  • the angle between the first and second direction may be in the range from 45° to 135°.
  • the first antenna configuration has a first polarization.
  • a second antenna configuration has a second polarization.
  • the second polarization is different from the first polarization.
  • the first polarization and/or the second polarization may be a transverse magnetic polarization.
  • the antenna configurator may alter the antenna configuration by altering the physical properties, such as geometry or location, of the antenna.
  • a first antenna mode may comprise a first antenna configuration comprising an antenna section extending in a first direction and/or along a first axis
  • the second antenna mode may comprise an antenna section extending in a second direction and/or along a second axis.
  • the second direction may be substantially perpendicular to the first direction.
  • the second antenna configuration may be able to receive a signal that is weakly received by the first antenna configuration. This situation is especially true if the weak reception is due to discrepancy of radiation patterns between the transmitting antenna and the radiation pattern of the first antenna configuration.
  • the antenna configurator may select an antenna mode and alter the antenna system characteristics by utilizing different antenna feeds and/or apply different properties to different antenna feeds.
  • An antenna feed may be a one-terminal antenna feed or a two-terminal antenna feed.
  • the first antenna terminal may be connected to one or more antenna segments.
  • the first antenna terminal is connected to a first antenna segment and the second antenna terminal is connected to a second antenna segment.
  • the first antenna feed may be connected to the first antenna at a first position, and a second antenna feed may be connected to the first antenna at a second position.
  • an antenna of the antenna system may incorporate one or more antenna feeds connected to the antenna configurator.
  • the antenna configurator may change the antenna mode by utilizing the first second antenna feed and/or a second antenna feed.
  • the antenna configurator may apply suitable properties to the antenna feed(s) not utilized for receiving or transmitting, i.e. not connected to the data terminal in that particular antenna mode.
  • the antenna configurator may decouple one or more antenna feeds in an antenna mode, e.g.
  • the antenna configurator may short-circuit the first antenna terminal and the second antenna terminal of one or more antenna feeds in an antenna mode, e.g. for coupling two antenna segments of an antenna.
  • the antenna configurator may impedance match the first antenna terminal and the second antenna terminal of one or more antenna feeds in an antenna mode, e.g. for coupling two antenna segments of an antenna.
  • the situation of utilizing a single antenna and several antenna feeds for the antenna is especially useful in a small hearing aid, where size is limited, and all components are desirably as small as possible.
  • the antenna configurator may in a first antenna mode apply a first primary impedance to the first antenna feed and a second primary impedance to the second antenna feed.
  • the antenna configurator may in a second antenna mode apply a first secondary impedance to the first antenna feed and a second secondary impedance to the second antenna feed.
  • the antenna system may comprise a plurality of antennas including a first antenna and a second antenna.
  • the first antenna feed may be connected to the first antenna at a first position
  • the antenna system may comprise a second antenna and a second antenna feed.
  • the second antenna feed may be connected to the second antenna at a second position.
  • the antenna configurator may choose to use either the first antenna or the second antenna.
  • the first antenna feed may be positioned at a first end of the first antenna.
  • the second antenna feed may be positioned at a second end of the first antenna or at a first end of a second antenna.
  • Antenna feeds may be positioned between respective ends of antennas.
  • the antenna configurator may utilize a certain antenna mode by connecting the data terminal to a certain antenna configuration.
  • the data terminal may be connected to the first antenna feed in the first antenna mode, and the data terminal may be connected to the second antenna feed in the second antenna mode in order to apply first and second antenna configurations, respectively.
  • the antenna configurator may control a switch circuit that connects the data terminal to the first antenna feed in a first antenna mode, and connects the data terminal to the second antenna feed in a second antenna mode.
  • the antenna configurator may comprise a switch circuit, thus the antenna configurator is adapted for connecting the data terminal to the first antenna feed in a first antenna mode, and connecting the data terminal to the second antenna feed in a second antenna mode.
  • Incorporating the switch circuit into the antenna configurator may be beneficial, since the antenna configurator may apply different properties to each of the antenna feeds in accordance with the antenna mode to be utilized.
  • the antenna configurator may comprise a circuit for adjusting impedance of an antenna feed.
  • the circuit may be configured to match or adjust an impedance of the antenna feed with an impedance of the wireless communication unit.
  • Selection of the antenna mode may be implemented in a processing unit including a signal processor.
  • the signal processor may be configured to select the antenna mode and transmit the control signal to the antenna system to operate the antenna system in the selected antenna mode.
  • the control signal may be sent to the antenna configurator of the antenna system.
  • the selection of the antenna mode may be performed by the signal processor based on analysis of the received signal and determining, based on parameters such as signal strength, error rate or alike, if a change of antenna mode may be beneficial.
  • the processing unit may receive signal quality indicator(s) from the wireless communication unit and base the selection of antenna mode/antenna configuration on the signal quality indicator(s).
  • a control signal may be transmitted to the antenna configurator of the antenna system to reconfigure the antenna configuration to a second antenna mode with a second antenna configuration.
  • the antenna system may have a default antenna mode, the antenna mode previously employed may be the default.
  • the signal processor may configure the antenna system to utilize a second antenna mode if an indicating parameter drops below a certain threshold.
  • indicating parameter may be any one or several of parameters such as signal strength, signal quality, signal to noise ratio, error rate etc.
  • the processing unit may configure the antenna system to apply a first antenna configuration during reception and to apply a second antenna configuration during transmission of wireless signals. This is particularly usefull, e.g. in a binaural hearing device, where a first hearing aid transmits to a second hearing aid, and receives from an external wireless transmitter, e.g. in a movie theatre or in an airport.
  • the first antenna configuration may be a default employed antenna configuration.
  • the antenna configurator, and/or the signal processor may thus be configured to only change the antenna configuration, if the default antenna configuration fails to properly receive the signal. Determining if the signal is received properly may be determined from any one or several of parameters such as signal strength, signal quality, signal to noise ratio, error rate etc.
  • the first antenna configuration and/or the second antenna configuration may be configured for frequencies in the range of 2.4-2.5 GHz, and/or in the range from 800 MHz to 1 GHz, and/or in the range from 13 MHz to 14 MHz, and/or in the range from 3.6 GHz to 3.7 GHz and/or in the range from 4.9 GHz to 5.9 GHz.
  • the location of the antenna feed along with the size and shape of the antenna and antenna segments thereof may decide which frequencies the antenna may be best suited to receive.
  • Any antenna configuration e.g. the first antenna configuration and/or the second antenna configuration, may comprise any known type of antenna, e.g. monopole antenna, dipole antenna, loop antenna or alike.
  • the methods disclosed herein provides improved wireless communication internally between hearing aids and external transmitters/receivers.
  • the first and/or the second parameter may be indicative of received signal strength, or signal strength, signal quality, signal to noise ratio, error rate etc.
  • the first parameter may be indicative of operating state of the hearing device.
  • the first parameter and/or the second parameter may indicate whether the hearing aid and thus the wireless communication unit is in a transmitting state or in a receiving state.
  • the method may be performed by a signal processor external to the antenna system.
  • the signal processor may transmit a control signal to the antenna system to configure the antenna system.
  • the antenna system may comprise control terminal(s) connected to respective control terminal(s) of the processing unit including the signal processor.
  • Configuring the antenna system may comprise applying a first antenna configuration to a data terminal of the antenna system when the first antenna mode is the optimum antenna mode.
  • the determination of whether the first antenna mode is the optimum antenna mode may be performed by a signal processor analyzing the received signal and/or operating states of the hearing aid.
  • configuring the antenna system may comprise applying a second antenna configuration to the data terminal when the second antenna mode is the optimum antenna mode. Thereby, the method may change between different antenna modes comprising different antenna configurations, thus employing the antenna mode which is the optimum antenna mode.
  • the optimum antenna mode may be decided upon reception of the signal by each of the available antenna modes, and subsequently deciding which of the antenna modes is best.
  • the desired or best antenna mode may be decided based on any one or several of parameters such as operating state of the hearing aid, signal strength, signal quality, signal to noise ratio, error rate etc.
  • the optimum antenna mode may also, or alternatively, be the antenna mode presently employed, or a default antenna mode, and configuring of the antenna system to utilize a different antenna mode may be performed if an indicating parameter drops below a certain threshold.
  • indicating parameter may be any one or several of parameters such as signal strength, signal quality, signal to noise ratio, error rate etc.
  • Configuring the antenna system may comprise applying a first primary impedance to a first antenna feed, e.g. a first antenna terminal of the first antenna feed, of the antenna system, and a second primary impedance to a second antenna feed, e.g. a first antenna terminal of the second antenna feed, of the antenna system, when the first antenna mode is the optimum antenna mode.
  • the second primary impedance may be a high impedance, such as at least 1 kOhm, such as at least 10kOhm, e.g. at least 100 kOhm, in order to decouple the second antenna feed.
  • the first primary impedance may be selected to be low, e.g. lower than 100 ohm, lower than 75 ohm, lower than 55 ohm.
  • the first primary impedance may be matched according to the wireless communications unit and the first antenna feed may be coupled to the data terminal.
  • the method may comprise applying a first secondary impedance to the first antenna feed and a second secondary impedance to the second antenna feed when the second antenna mode is the optimum antenna mode.
  • the first secondary impedance may be the same as the second primary impedance.
  • the second secondary impedance may be the same as the first primary impedance.
  • the first secondary impedance may be a high impedance, such as at least 1 kOhm, such as at least 10kOhm, e.g. at least 100 kOhm, in order to decouple the first antenna feed..
  • the second secondary impedance may be selected to be low, e.g. lower than 100 ohm, lower than 75 ohm, lower than 55 ohm.
  • the second secondary impedance may be matched according to the wireless communications unit and the second antenna feed may be coupled to the data terminal.
  • Fig. 1 shows an exemplary hearing aid 2 comprising a microphone 4 for reception of sound and conversion of the received sound into a first audio signal.
  • the audio signal is transmitted to a signal processor 6 for optionally processing the first audio signal to compensate a hearing loss of a user of the hearing aid 2.
  • the hearing aid 2 further comprises a wireless communications unit 8 connected to the signal processor 6 for wireless data communications. In a receiving mode, the wireless communications unit 8 feeds a second audio signal to the signal processor for processing the second audio signal to compensate a hearing loss of a user of the hearing aid 2.
  • the signal processor 6 outputs the processed signal to a receiver or receiver assembly 9 for conversion of the processed signal into sound.
  • the processed signal may be based on the first audio signal and/or the second audio signal, e.g.
  • the hearing aid 2 comprises an antenna system 10 with a data terminal 12 and at least one control terminal 14.
  • the data terminal 12 is connected to a data terminal 15' of the wireless communications unit 8 for receiving and/or transmitting wireless signals via the antenna system.
  • the at least one control terminal 14 is connected to a control terminal 15 of the signal processor.
  • the antenna system 10 comprises a first antenna 16 and one or more antenna feeds including a first antenna feed 18.
  • the antenna system 10 further comprises an antenna configurator 20 for configuring the antenna system to operate in a selected or optimum antenna mode, e.g. depending on a control signal on the at least one control terminal 14.
  • the antenna mode may be selected from a plurality of antenna modes including a first antenna mode and a second antenna mode according to a control signal on the at least one control terminal 14.
  • the antenna configurator 20 may be configured to apply a first antenna configuration to the data terminal 12 when operating in the first antenna mode, and to apply a second antenna configuration to the data terminal 12 when operating in the second antenna mode.
  • the signal processor 6 may be connected to the at least one control terminal 14, i.e. the control signal applied to the at least one control terminal 14 may be transmitted from signal processor 6.
  • the wireless communications unit 8 may be connected to the at least one control terminal 14, i.e. the control signal applied to the at least one control terminal 14 may be transmitted from the wireless communications unit 8.
  • the first antenna may possess several different characteristics as will be described in relation to Figs. 3-5
  • Fig. 2 illustrates an exemplary hearing aid 2', wherein the antenna system 10' further comprises a second antenna 24, a second antenna feed 22, and an antenna switch 26.
  • the antenna switch 26 is controlled by the antenna configurator 20. In some exemplary antenna systems the switch 26 may be an integrated part of the antenna configurator 20.
  • the antenna switch 26 connects the data terminal 12 to the first antenna feed 18 or to the second antenna feed 22 according to the control of the antenna configurator 20.
  • the first antenna 16 and the second antenna 24 may be positioned and oriented relative to each other to achieve reception and transmission of signals with different polarization and/or radiation patterns.
  • Fig. 3 illustrates an exemplary antenna system 10 for a hearing aid 2.
  • the exemplary antenna system 10 illustrated in Fig. 3 comprises a first antenna 16, with a first antenna feed 18.
  • the first antenna 16 may comprise a first primary antenna section 16A and a first secondary antenna section 16B.
  • a first breaker 28 and a second breaker 30 enable or provide for adapting or changing of the properties of the first antenna 16.
  • a first antenna configuration for a first antenna mode is enabled.
  • the first antenna configuration comprises the first antenna feed 18 and the first primary antenna section 16A.
  • a second antenna configuration for a second antenna mode is enabled.
  • the second antenna configuration comprises the first antenna feed 18 and the first secondary antenna section 16B.
  • the enabling and disabling of first and second breakers 28, 30 are controlled by the antenna configurator 20.
  • Input of whether to use the first antenna configuration or the second antenna configuration is received from the control terminal 14 by the antenna configurator 20.
  • the data terminal 12 is constantly connected to the first antenna feed 18, since the antenna configuration is changed by changing the characteristics of the first antenna 16, by means of breakers 28. 30.
  • the data terminal may be connected to an antenna switch 26 or the antenna configurator 20.
  • the first secondary antenna section 16 B may be extending from the first antenna feed 18 substantially perpendicular to the first primary antenna section 16A.
  • the first antenna configuration has different antenna characteristics compared to antenna characteristics of the second antenna mode.
  • Fig. 4 illustrates an exemplary antenna system 10' for a hearing aid.
  • the antenna system 10' comprise a first antenna 16 with a first antenna feed 18, and a second antenna 24 with a second antenna feed 22.
  • the antenna switch 26 may connect the data terminal 12 to the first antenna feed 18 in a first antenna mode, and the antenna switch 26 may connect the data terminal 12 to the second antenna feed 22 in a second antenna mode.
  • Input of whether to use the first antenna mode or the second antenna mode is received from the control terminal 14 by the antenna configurator 20, which controls the antenna switch 26 according to the received control signal.
  • the first antenna 16 and the second antenna 24 may be shaped and positioned in relation to each other such that the antenna system 10', in a first antenna configuration comprising the first antenna 16, has a first radiation pattern, and wherein the antenna system 10', in a second antenna mode comprising the second antenna 24, has a second radiation pattern.
  • the first radiation pattern may be different from the second radiation pattern, thus enabling a high degree of reception and transmission diversity of the antenna system 10'.
  • the first antenna 16 and the second antenna 24 may be shaped and positioned in relation to each other such that the antenna system 10', in a first antenna configuration comprising the first antenna 16, has a first polarization, and wherein the antenna system 10', in a second antenna configuration comprising the second antenna 24, has a second polarization.
  • the first polarization may be different from the second polarization, thus enabling a high degree of reception and transmission diversity of the antenna system 10'.
  • the first antenna 16 may extend from the first antenna feed 18 in a direction substantially perpendicular to the extension of the second antenna 24 from the second antenna feed 22.
  • Fig. 5 illustrates an exemplary antenna system 10" for a hearing aid 2, 2".
  • the antenna system 10" comprises a first antenna 16 with a first antenna feed 18 and a second antenna feed 22.
  • the first antenna feed 18 may be connected to a first position of the first antenna 16, and the second antenna feed 22 may be connected to a second position of the antenna 16.
  • the antenna switch 26 may connect the data terminal 12 to the first antenna feed 18 in a first antenna mode, and the antenna switch 26 may connect the data terminal 12 to the second antenna feed 22 in a second antenna mode.
  • Input of whether to use the first antenna mode or the second antenna mode is received from the control terminal 14 by the antenna configurator 20, which controls the antenna switch 26 according to the received control signal.
  • the first antenna 16 may be extending from the first antenna feed 18 substantially perpendicular to the extension of the first antenna 16 from the second antenna feed 22.
  • the first antenna configuration exhibits different antenna characteristics compared to antenna characteristics of the second antenna configuration.
  • the antenna configurator 20 may control the impedance of the first antenna feed 18 and the impedance of the second antenna feed 22.
  • the impedance of the first antenna feed 18 may be set to a first primary impedance
  • the impedance of the second antenna feed 22 may be set to a second primary impedance.
  • the impedance of the first antenna feed 18 may be set to a first secondary impedance
  • the impedance of the second antenna feed 22 may be set to a second secondary impedance.
  • the first primary impedance may be low compared to the second primary impedance, and the first secondary impedance may be high compared to the second secondary impedance.
  • the second primary impedance and/or the first secondary impedance may be very high or infinitely high, e.g. above 1 M ⁇ .
  • the antenna configurator 20 may control the impedance of the first antenna feed 18 and the impedance of the second antenna feed 22, via a control signal to the antenna switch 26.
  • Fig. 6 illustrates an exemplary antenna system 10'" for a hearing aid 2, 2".
  • the antenna system 10"' comprises same components as the antenna system 10" as shown in Fig. 5 , but differs in the shape of the antenna 16 and the location of the first antenna feed 18 and the second antenna feed 22.
  • the antenna 16 and the first antenna feed 18 and the second antenna feed 22 may be shaped and configured such that a first antenna configuration is adapted for a hearing aid being worn on the left ear of a user, and a second antenna configuration is adapted for a hearing aid being worn on the right ear of a user.
  • the location of the first antenna feed 18 may be different from the location of the second antenna feed 22.
  • the first antenna feed 18 and/or the second antenna feed 22 are located between respective endpoints of the first antenna 16.
  • Fig. 7 illustrates a method 100 for operating a hearing aid comprising an antenna system with a data terminal for data communication.
  • the method 100 comprises receiving parameters 102, determining an optimum antenna mode 104, configuring the antenna system 106, and receiving via the optimum antenna mode 108.
  • Receiving parameters 102 may comprise reception of a first parameter indicating signal quality in a first antenna mode of the antenna system.
  • Receiving parameters 102 may comprise reception of a second parameter indicating signal quality in a second antenna mode of the antenna system.
  • Determining an optimum antenna mode 104 may be based on the first and/or the second parameters received in 102.
  • the determination of the optimum antenna mode 104 may in one exemplary method be achieved by comparing signal strength of each of the antenna modes including the first and second antenna mode, and determining the optimum antenna mode as the antenna mode that provides the highest signal strength.
  • the first and second parameter may be signal-to-noise ratio or any other parameter that may be indicative of the chance of a successful reception.
  • the first and/or the second parameter may be a combination of a plurality of different parameters.
  • the antenna system After determining the optimum antenna mode 104, the antenna system is configured to utilize the determined mode or antenna configuration 106. Hence, data is received via the optimum mode 108.
  • Configuration of the antenna system 106 according to the determined optimum antenna mode 104 may comprise applying a first antenna configuration to a data terminal of the antenna system, when the first antenna mode has been determined as the optimum antenna mode 104.
  • the configuration of the antenna system 106 may further comprise applying a second antenna configuration to the data terminal of the antenna system, when the second antenna mode has been determined as the optimum antenna mode 104.
  • Configuration of the antenna system 106 may comprise applying a first primary impedance to a first antenna feed of the antenna system and a second primary impedance to a second antenna feed of the antenna system, when the first antenna mode has been determined as the optimum antenna mode 104.
  • the configuration of the antenna system 106 may further comprise applying a first secondary impedance to the first antenna feed and a second secondary impedance to a second antenna feed of the antenna system, when the second antenna mode has been determined as the optimum antenna mode 104.
  • the determination of the optimum mode 104 may be performed by a signal processor.
  • the signal processor may be external to the antenna system, and the signal processor may transmit a control signal to the antenna system to configure the antenna system.
  • the signal processor may transmit the control signal to a control terminal of the antenna system.
  • the method 100 may be realized by the means of a hearing aid and an antenna system as described herein and in particular according to Figs. 1-6 and the accompanying descriptions.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Claims (8)

  1. Hörgerät (2,2') umfassend:
    - einen Signalprozessor (6) zur Verarbeitung von einem oder mehreren Audiosignalen zum Ausgleichen eines Hörverlustes eines Benutzers des Hörgeräts (2,2'),
    - eine drahtlose Kommunikationseinheit (8), die zur drahtlosen Datenkommunikation mit dem Signalprozessor (6) verbunden ist, und
    - ein Antennensystem (10,10',10") mit einem Datenterminal (12,15') und mindestens einem Steuerterminal (14,15), wobei das Datenterminal (12,15') mit der drahtlosen Kommunikationseinheit (8) verbunden ist, wobei das Antennensystem (10,10',10") eine erste Antenne (16) und eine oder mehrere Antennenzuleitungen (18,22) umfassend eine erste Antennenzuleitung (18) umfasst,
    - wobei das Antennensystem (10,10',10") einen Antennenkonfigurator (20) umfasst zum Konfigurieren des Antennensystems (10,10',10"), um in einem ausgewählten Antennenmodus in Betrieb zu sein, der aus einer Mehrheit von Antennenmodi umfassend einen ersten Antennenmodus und einen zweiten Antennenmodus ausgewählt ist, gemäß einem Steuersignal an dem mindestens einen Steuerterminal (14,15), wobei der Antennenkonfigurator (20) dafür konfiguriert ist, eine erste Antennenkonfiguration für das Datenterminal (12,15') beim Betrieb im ersten Antennenmodus anzuwenden und eine zweite Antennenkonfiguration für das Datenterminal (12,15') beim Betrieb im zweiten Antennenmodus anzuwenden,
    wobei die erste Antennenkonfiguration eine erste Polarisation hat und einen Antennenabschnitt umfasst, der sich in einer ersten Richtung erstreckt, wobei die zweite Antennenkonfiguration eine zweite Polarisation hat und einen Antennenabschnitt umfasst, der sich in einer zweiten Richtung, die im Wesentlichen senkrecht zur ersten Richtung ist, erstreckt,
    wobei die erste Antennenkonfiguration während des Empfangs und die zweite Antennenkonfiguration während der Übertragung von drahtlosen Signalen angewendet werden, so dass die erste Antennenkonfiguration dafür konfiguriert ist, von einem externen drahtlosen Sender zu empfangen, und die zweite Antennenkonfiguration dafür konfiguriert ist, in einem binauralen Hörgerät, von einem ersten Hörgerät zu einem zweiten Hörgerät zu übertragen.
  2. Hörgerät nach Anspruch 1, wobei die erste Antennenzuleitung in einer ersten Position mit der ersten Antenne verbunden ist, und eine zweite Antennenzuleitung in einer zweiten Position mit der ersten Antenne verbunden ist.
  3. Hörgerät nach Anspruch 1, wobei die erste Antennenzuleitung in einer ersten Position mit der ersten Antenne verbunden ist, und wobei das Antennensystem eine zweite Antenne umfasst, und eine zweite Antennenzuleitung in einer zweiten Position mit der zweiten Antenne verbunden ist.
  4. Hörgerät nach einem der Ansprüche 2-3, wobei das Datenterminal im ersten Antennenmodus mit der ersten Antennenzuleitung verbunden ist, und das Datenterminal im zweiten Antennenmodus mit der zweiten Antennenzuleitung verbunden ist.
  5. Hörgerät nach einem der Ansprüche 2-4, wobei der Antennenkonfigurator im ersten Antennenmodus eine erste primäre Impedanz für die erste Antennenzuleitung und eine zweite primäre Impedanz für die zweite Antennenzuleitung anwendet, und wobei der Antennenkonfigurator im zweiten Antennenmodus eine erste sekundäre Impedanz für die erste Antennenzuleitung und eine zweite sekundäre Impedanz für die zweite Antennenzuleitung anwendet.
  6. Hörgerät nach einem der vorgehenden Ansprüche, wobei der Signalprozessor dafür konfiguriert ist, den Antennenmodus auszuwählen und das Steuersignal zum Antennensystem zu übertragen, damit das Antennensystem im ausgewählten Antennenmodus in Betrieb sein kann.
  7. Hörgerät nach einem der vorgehenden Ansprüche, wobei die erste Antennenkonfiguration ein erstes Strahlungsmuster aufweist, und wobei die zweite Antennenkonfiguration ein zweites Strahlungsmuster aufweist, das vom ersten Strahlungsmuster unterschiedlich ist.
  8. Hörgerät nach einem der vorgehenden Ansprüche, wobei die erste Antennenkonfiguration für Frequenzen im Bereich von 2,4-2,5 GHz konfiguriert ist.
EP13192315.3A 2013-11-11 2013-11-11 Hörgerät mit adaptivem Antennensystem Active EP2871859B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP13192315.3A EP2871859B1 (de) 2013-11-11 2013-11-11 Hörgerät mit adaptivem Antennensystem
DK13192315.3T DK2871859T3 (en) 2013-11-11 2013-11-11 Hearing aid with adaptive antenna system
US14/204,891 US9408005B2 (en) 2013-11-11 2014-03-11 Hearing aid with adaptive antenna system
JP2014228339A JP6568685B2 (ja) 2013-11-11 2014-11-10 適応型アンテナシステムを有する補聴器
CN201410643779.9A CN104640041B (zh) 2013-11-11 2014-11-11 具有自适应天线系统的助听器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13192315.3A EP2871859B1 (de) 2013-11-11 2013-11-11 Hörgerät mit adaptivem Antennensystem

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EP2871859B1 true EP2871859B1 (de) 2018-07-18

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US10321245B2 (en) 2016-03-15 2019-06-11 Starkey Laboratories, Inc. Adjustable elliptical polarization phasing and amplitude weighting for a hearing instrument
US10735871B2 (en) 2016-03-15 2020-08-04 Starkey Laboratories, Inc. Antenna system with adaptive configuration for hearing assistance device
EP3413584A1 (de) * 2017-06-09 2018-12-12 GN Hearing A/S Hörgerät mit einem antennensystem
EP3503588B1 (de) 2017-12-22 2023-02-15 GN Hearing A/S Hörgerät mit digital abstimmbarer antenne
DK202170462A1 (en) * 2021-09-22 2023-06-13 Gn Hearing As Hearing device with beam-steerable antenna arrangement

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FR2852150A1 (fr) * 2003-03-07 2004-09-10 Thomson Licensing Sa Perfectionnement aux antennes a diversite de rayonnement
US7869783B2 (en) * 2006-02-24 2011-01-11 Sky Cross, Inc. Extended smart antenna system
EP2284944B8 (de) * 2008-05-22 2015-09-23 Panasonic Intellectual Property Corporation of America Mimo-antennenvorrichtung und vorrichtung zur drahtlosen kommunikation
US8442248B2 (en) * 2008-09-03 2013-05-14 Starkey Laboratories, Inc. Systems and methods for managing wireless communication links for hearing assistance devices
US9325064B2 (en) * 2011-08-18 2016-04-26 Sony Corporation Mobile terminal

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EP2871859A1 (de) 2015-05-13

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