Binaural hearing assistance system comprising two wireless interfaces

    公开(公告)号:US09924280B2

    公开(公告)日:2018-03-20

    申请号:US15620120

    申请日:2017-06-12

    Applicant: Oticon A/S

    Abstract: The application relates to a binaural hearing assistance system comprising first and second hearing assistance devices adapted for being located at or in left and right ears of a user. The application further relates to a method of operating a binaural hearing assistance system. The object of the present application is to provide an improved binaural hearing assistance system. The problem is solved in that each of the first and second hearing assistance devices comprises a) a first wireless interface comprising first antenna and transceiver circuitry adapted for establishing a first communication link to the respective other hearing assistance device based on near-field communication; b) a second wireless interface comprising second antenna and transceiver circuitry adapted for establishing a second communication link to an auxiliary device based on far-field communication; c) a link control unit operatively coupled to the second antenna and transceiver circuitry and configured to repeatedly provide a second link quality measure indicative of a link quality of the second communication link; wherein the first and second hearing assistance devices are configured to exchange said respective second link quality measures between them via said first and/or second communication links. This has the advantage of providing a robust and flexible system. The invention may e.g. be used for binaural hearing assistance systems, e.g. binaural hearing aid systems, where audio quality and power consumption has to be mutually optimized.

    RF transmitter for electrically short antenna

    公开(公告)号:US09509345B2

    公开(公告)日:2016-11-29

    申请号:US14925760

    申请日:2015-10-28

    Applicant: OTICON A/S

    CPC classification number: H04B1/04 H03J5/00

    Abstract: An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor. The output stage provides an electric transmission signal to the resonance circuit. The switching circuit comprises a first transistor for switching between the open state and the closed state and is connected to an antenna output terminal through a capacitance formed by the capacitive energy storage such that the maximum signal voltage occurring across the switching circuit in its open state is lower than the maximum signal voltage occurring across the antenna output terminals. The transmitter is adapted to alter the quality factor by changing the series resistance of the switching circuit in its closed state.

    RF transmitter for electrically short antenna
    14.
    发明授权
    RF transmitter for electrically short antenna 有权
    用于电短天线的射频发射器

    公开(公告)号:US09203446B2

    公开(公告)日:2015-12-01

    申请号:US13683132

    申请日:2012-11-21

    Applicant: Oticon A/S

    CPC classification number: H04B1/04 H03J5/00

    Abstract: An RF transmitter comprises a capacitive energy storage, an output stage and a switching circuit with an open state and a closed state. The capacitive energy storage forms with the antenna when connected thereto a resonance circuit with a resonance frequency and a quality factor. The output stage provides an electric transmission signal to the resonance circuit. The switching circuit comprises a first transistor for switching between the open state and the closed state and is connected to an antenna output terminal through a capacitance formed by the capacitive energy storage such that the maximum signal voltage occurring across the switching circuit in its open state is lower than the maximum signal voltage occurring across the antenna output terminals. The transmitter is adapted to alter the quality factor by changing the series resistance of the switching circuit in its closed state.

    Abstract translation: RF发射机包括电容性能量存储器,输出级和具有打开状态和闭合状态的开关电路。 当连接到具有共振频率和质量因子的谐振电路时,电容性能量存储与天线形成。 输出级向谐振电路提供电传输信号。 开关电路包括用于在打开状态和闭合状态之间切换的第一晶体管,并且通过由电容性能量存储形成的电容连接到天线输出端子,使得开关电路在其打开状态下出现的最大信号电压为 低于跨天线输出端子发生的最大信号电压。 变送器适于通过改变开关电路处于闭合状态的串联电阻来改变品质因数。

    RF antenna and hearing device with RF antenna

    公开(公告)号:US11228850B2

    公开(公告)日:2022-01-18

    申请号:US17187102

    申请日:2021-02-26

    Applicant: Oticon A/S

    Abstract: The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.

    RF antenna and hearing device with RF antenna

    公开(公告)号:US10779095B2

    公开(公告)日:2020-09-15

    申请号:US16723489

    申请日:2019-12-20

    Applicant: Oticon A/S

    Abstract: The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.

    RF ANTENNA AND HEARING DEVICE WITH RF ANTENNA

    公开(公告)号:US20190052980A1

    公开(公告)日:2019-02-14

    申请号:US16164051

    申请日:2018-10-18

    Applicant: Oticon A/S

    Abstract: The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.

    RF antenna and hearing device with RF antenna

    公开(公告)号:US09961457B2

    公开(公告)日:2018-05-01

    申请号:US15589592

    申请日:2017-05-08

    Applicant: Oticon A/S

    Abstract: The present disclosure relates to an RF antenna adapted to receive and/or transmit electromagnetic RF signals within a first frequency range enclosing a first frequency of resonance of the RF antenna, the RF antenna comprising: an electrically conductive antenna element having a feed for electrically connecting to an RF transmitter and/or an RF receiver; an electronic component adapted to receive and/or provide one or more electric signals from/to an electronic circuit within a second frequency range not overlapping the first frequency range; and one or more electric leads electrically connected to lead the one or more electric signals between the electronic component and the electronic circuit, each of the one or more electric leads being electrically connected to the electronic circuit through a respective inductor adapted to reflect and/or attenuate signals within the first frequency range and pass signals within the second frequency range.

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