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    • 53. 发明申请
    • TRANSCUTANEOUS BONE-ANCHORED HEARING AID WITH IMPROVED PACKAGING
    • US20210051425A1
    • 2021-02-18
    • US16994239
    • 2020-08-14
    • Oticon Medical A/S
    • Erik HOLGERSSONTomas JOHANSSON
    • H04R25/00H04R9/02
    • A transcutaneous bone-anchored hearing aid device for a recipient patient is described. The transcutaneous bone-anchored hearing aid device for a recipient patient comprising; a receiver coil for transcutaneous receiving of an externally generated communication signal; a signal processor configured for converting the externally generated communication signal into an electrical stimulation signal; an electromagnetic vibrator configured for receiving the electrical stimulation signal, and wherein the electromagnetic vibrator including; a coil unit configured to generate a dynamic magnetic flux based on the electrical stimulation signal; a permanent magnet configured to generate a static magnetic flux; a mass unit connected to the permanent magnet; a bobbin unit configured to engage with the coil unit, the permanent magnet, and the mass unit; a spring unit configured for maintaining an air gap below a moving mass, wherein the moving mass includes the coil unit, the permanent magnet, the mass unit and the bobbin unit, and where the moving mass and the spring unit is configured to generate an acoustical vibration; a vibrator plate configured to receive the acoustical vibration, and where the air gap is between the vibrator plate and a part of the moving mass, and wherein the mass unit has at least one insert configured to receive at least one of a group that includes at least a part of the permanent magnet, the coil unit, the vibrator plate and/or the spring unit.
    • 57. 发明申请
    • COCHLEAR STIMULATION SYSTEM WITH AN IMPROVED METHOD FOR DETERMINING A TEMPORAL FINE STRUCTURE PARAMETER
    • US20200045480A1
    • 2020-02-06
    • US16525799
    • 2019-07-30
    • Oticon Medical A/S
    • Manuel SEGOVIA MARTINEZJulian SKOVGAARDPierre STAHLKai DANGAswin WIJETILLAKE
    • H04R25/00
    • The invention relates to a cochlear stimulation system for determining a Temporal Fine Structure (TFS) parameter of a spectral component of an incoming acoustic signal. The system comprising; a transducer configured for receiving the incoming acoustic signal, and wherein a sampled audio signal of length N samples is provided based on the incoming acoustic signal, a storing unit including a plurality of window frequency differences and/or a plurality of window energy level differences generated from a window spectrum of a window function of length N, a window analyzer for providing a plurality of spectrum samples by performing a time to frequency transformation and a multiplication of the sampled audio signal with the window function in a time domain, or a convolution of the window spectrum in frequency domain and the sampled audio signal in frequency domain. The system further comprises a signal processor for estimating the Temporal Fine Structure parameter of the full frequency range of the sampled audio signal, and wherein the Temporal Fine Structure parameter is estimated by locating a main spectrum sample of the plurality of spectrum samples having a maximum energy level, estimating for a group of spectrum samples of the plurality of spectrum samples an energy level difference for one or more of the spectrum samples of the group of spectrum samples, within a range of frequencies centered around the main spectrum sample, and determining the Temporal Fine Structure parameter based on the energy level difference for one or more of the spectrum samples of the group of spectrum samples and the window function.
    • 58. 发明申请
    • HEARING DEVICE USING A COCHLEAR IMPLANT SYSTEM AND CONTROL METHOD THEREOF
    • US20200030611A1
    • 2020-01-30
    • US16523716
    • 2019-07-26
    • Oticon Medical A/S
    • Yannick VAIARELLOPierre STAHLMichel HOENDan GNANSIA
    • A61N1/36H04R25/00A61N1/05A61N1/14
    • A hearing device for use with a cochlear implant system is disclosed. An input portion receives, as a stimulus, an acoustic signal, converts the acoustic signal into an electrical acoustic signal and provides the electrical acoustic signal. A processing portion processes the electrical acoustic signal and conducts an active grounding procedure. An implant portion being implantable at least partially in a cochlea of the user comprises a plurality of operation electrodes and a reference electrode, e.g. an external electrode being grounded and implantable outside of the cochlea of the user. The operation electrodes are driven by the processing portion on the basis of the electric acoustic signal. An electrode state setting section sets the plurality of operation electrodes into one of a high impedance state, a grounded state and a stimulating state in which a signal based on the electric acoustic signal is supplied a stimulation electrode of the plurality of operation electrodes. An electrode state setting pattern determining section selects, according to an operation mode of the cochlear implant system, one of a plurality of electrode state setting patterns, wherein each of the electrode state setting patterns is adapted to enable a stimulation by a stimulation electrode of the plurality of operation electrodes being in a stimulating state and at least one of the plurality of operation electrodes being in a grounded state or in a high impedance state. The electrode state setting section sets the plurality of operation electrodes into the specified electrode state according to the selected electrode state setting pattern.