Patents by Inventor Pierre Stahl
Pierre Stahl has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11975193Abstract: A method and a cochlea implant system for providing reliably control and stability of the ratio between the positive charge and the capacitive discharge of an electrical pulse are disclosed. The system includes an external unit configured to receive acoustical sound and process the acoustical sound into a coded audio signal, and an implantable unit configured to receive the coded audio signal. The system further comprises a pulse generating unit configured to generate a first electrical pulse of a first pulse duration and a second electrical pulse of a second pulse duration different from the first pulse duration based on the coded audio signal. The system still further comprises an electrode array including a plurality of electrodes, wherein at least one of the plurality of electrodes is configured to receive at least the first electrical pulse and the second electrical pulse, and a capacitor connected to the at least one of the plurality of electrodes.Type: GrantFiled: October 22, 2021Date of Patent: May 7, 2024Assignee: Oticon Medical A/SInventors: Yannick Vaiarello, Martin Besnard, Pierre Stahl
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Patent number: 11931575Abstract: The disclosure relates to a cochlear implant system, and more particularly, the disclosure relates to a processor unit which includes a switching mean configured to switch between using a fixed stimulation frame onset or a variable stimulation frame onset for frame coding a plurality of stimulation pulses into a one or more stimulation frames.Type: GrantFiled: August 20, 2021Date of Patent: March 19, 2024Assignee: Oticon Medical A/SInventors: Marianna Vatti, Kai Dang, Pierre Stahl, Manuel Segovia Martinez, Dan Gnansia, Bradford Backus
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Patent number: 11792578Abstract: A cochlear stimulation system for determining a Temporal Fine Structure (TFS) parameter of a spectral component of an incoming acoustic signal is provided. The system comprises a transducer receiving an 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. The system further comprises a signal processor for estimating the TFS parameter of the full frequency range of the sampled audio signal by locating a main spectrum sample of the plurality of spectrum samples having a maximum energy level within a range of frequencies centered around the main spectrum sample, and determining the TFS 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.Type: GrantFiled: July 30, 2019Date of Patent: October 17, 2023Assignee: Oticon Medical A/SInventors: Manuel Segovia Martinez, Julian Skovgaard, Pierre Stahl, Kai Dang, Aswin Wijetillake
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Patent number: 11724107Abstract: The invention relates to a cochlear implant system comprising a microphone unit configured to receive an acoustical signal and transmit an audio signal based on the acoustical signal, a processor unit configured to receive the audio signal and process the audio signal into a plurality of electrode pulses, an electrode array including a plurality of electrodes configured to stimulate auditory nerves of a user of the cochlear implant system based on the plurality of electrode pulses, and wherein the processor unit is configured to assign an importance value to one or more electrodes of the plurality of electrodes, wherein each of the importance values is determined based on a status of an electrode pulse assigned to the respective electrode, select a main set of electrodes of the plurality of electrodes during a time window, where the importance value of each of the selected electrodes of the main set of electrodes is larger or equal to an importance threshold value, activate the electrodes of the main set of eType: GrantFiled: July 2, 2020Date of Patent: August 15, 2023Assignee: Oticon Medical A/SInventors: Aswin Adris Wijetillake, Simon Krogholt Christiansen, Pierre Stahl, Dan Gnansia, Manuel Segovia Martinez
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Publication number: 20230120447Abstract: A cochlear implant is disclosed. The cochlear implant provides electrical stimulation to auditory nerve fibers of a cochlea of a recipient of the cochlear implant. The cochlear implant includes an interface to provide audio stimulation information based on an external signal, an electrode lead including a plurality of electrodes to provide electrical stimulation the auditory nerve fibers based on the audio stimulation information, a differential power supplier to provide an anodic current and a cathodic current based on the audio stimulation information, and a mode unit connected to one or more electrodes of the plurality of electrodes. The mode unit sets the one or more electrodes into a mode of a plurality of modes based on the audio stimulation information. The plurality of modes includes an active mode, and in the active mode the one or more electrodes receives the anodic current or the cathodic current.Type: ApplicationFiled: October 14, 2022Publication date: April 20, 2023Applicant: Oticon Medical A/SInventors: Yannick VAIARELLO, Pierre STAHL, Dan GNANSIA
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Patent number: 11589170Abstract: An aspect of the disclosure is to provide a method and a hearing aid system comprising; a microphone unit configured to receive an acoustical input and provide an audio signal based on the acoustical input, and wherein the audio signal includes a sound pressure level; a storing unit including a normal hearing loudness model, a loudness scheme, a stimulation model and a coding parameter model; a sound output unit configured to stimulate auditory nerve fibers of a recipient of the hearing aid system based on audible stimulations; a processing unit configured to; extract a normal hearing loudness based on the sound pressure level and the normal hearing loudness model, and the normal hearing loudness model includes a plurality of normal hearing loudness as a function of a plurality of sound pressure levels; transform the normal hearing loudness to a secondary hearing loudness according to a loudness scheme; determine a stimulation level within a dynamic range of a recipient of the hearing aid system based on theType: GrantFiled: September 17, 2021Date of Patent: February 21, 2023Assignee: OTICON MEDICAL A/SInventors: Bradford Backus, Pierre Stahl
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Publication number: 20220218998Abstract: 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 to a stimulation electrode of the plurality of operation electrodes.Type: ApplicationFiled: April 1, 2022Publication date: July 14, 2022Applicant: Oticon Medical A/SInventors: Yannick VAIARELLO, Pierre STAHL, Michel HOEN, Dan GNANSIA
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Publication number: 20220134107Abstract: A method and a cochlea implant system for providing reliably control and stability of the ratio between the positive charge and the capacitive discharge of an electrical pulse are disclosed. The system includes an external unit configured to receive acoustical sound and process the acoustical sound into a coded audio signal, and an implantable unit configured to receive the coded audio signal. The system further comprises a pulse generating unit configured to generate a first electrical pulse of a first pulse duration and a second electrical pulse of a second pulse duration different from the first pulse duration based on the coded audio signal. The system still further comprises an electrode array including a plurality of electrodes, wherein at least one of the plurality of electrodes is configured to receive at least the first electrical pulse and the second electrical pulse, and a capacitor connected to the at least one of the plurality of electrodes.Type: ApplicationFiled: October 22, 2021Publication date: May 5, 2022Applicant: Oticon Medical A/SInventors: Yannick Vaiarello, Martin Besnard, Pierre Stahl
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Patent number: 11318312Abstract: 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 to a stimulation electrode of the plurality of operation electrodes.Type: GrantFiled: July 26, 2019Date of Patent: May 3, 2022Assignee: Oticon Medical A/SInventors: Yannick Vaiarello, Pierre Stahl, Michel Hoen, Dan Gnansia
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Publication number: 20220095059Abstract: An aspect of the disclosure is to provide a method and a hearing aid system comprising; a microphone unit configured to receive an acoustical input and provide an audio signal based on the acoustical input, and wherein the audio signal includes a sound pressure level; a storing unit including a normal hearing loudness model, a loudness scheme, a stimulation model and a coding parameter model; a sound output unit configured to stimulate auditory nerve fibers of a recipient of the hearing aid system based on audible stimulations; a processing unit configured to; extract a normal hearing loudness based on the sound pressure level and the normal hearing loudness model, and the normal hearing loudness model includes a plurality of normal hearing loudness as a function of a plurality of sound pressure levels; transform the normal hearing loudness to a secondary hearing loudness according to a loudness scheme; determine a stimulation level within a dynamic range of a recipient of the hearing aid system based on theType: ApplicationFiled: September 17, 2021Publication date: March 24, 2022Applicant: Oticon Medical A/SInventors: Bradford BACKUS, Pierre STAHL
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Patent number: 11260227Abstract: A method of calibrating stimulation threshold levels of a cochlear implant, comprises sending a series of stimulation signals having a predetermined length in time to a selected subset of a plurality of stimulation electrodes of the cochlear implant of a user, wherein for each signal of the series of stimulation signals, the stimulation level is larger compared to the stimulation level of the previous stimulation signal; receiving an electrophysiological signal for each stimulation signal from a measurement electrode attached to the head of the user; calculating a cross-correlation signal for each of the received electrophysiological signals for each stimulation level following the first stimulation signal with respect to the first electrophysiological signal received for the first stimulation signal, determining, whether the respective cross-correlation signal exceeds a predetermined threshold level, wherein the sending of the series of stimulation signals is stopped and the stimulation level is set as the tType: GrantFiled: October 16, 2019Date of Patent: March 1, 2022Assignee: OTICON MEDICAL A/SInventors: Pierre Stahl, Dan Gnansia
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Publication number: 20220054836Abstract: The disclosure relates to a cochlear implant system, and more particularly, the disclosure relates to a processor unit which includes a switching mean configured to switch between using a fixed stimulation frame onset or a variable stimulation frame onset for frame coding a plurality of stimulation pulses into a one or more stimulation frames.Type: ApplicationFiled: August 20, 2021Publication date: February 24, 2022Applicant: Oticon Medical A/SInventors: Marianna VATTI, Kai DANG, Pierre STAHL, Manuel SEGOVIA MARTINEZ, Dan GNANSIA, Bradford BACKUS
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Publication number: 20210170174Abstract: A cochlear implant system is disclosed. The system includes an external unit configured to receive acoustical sound and process the acoustical sound into a coded audio signal, and an implantable unit configured to receive the coded audio signal. The system further comprises a pulse generating unit configured to generate a first electrical pulse of a first pulse duration and a second electrical pulse of a second pulse duration different from the first pulse duration based on the coded audio signal. The system still further comprises an electrode array including a plurality of electrodes, wherein at least one of the plurality of electrodes is configured to receive at least the first electrical pulse and the second electrical pulse, and a capacitor connected to the at least one of the plurality of electrodes.Type: ApplicationFiled: December 9, 2020Publication date: June 10, 2021Applicant: Oticon Medical A/SInventors: Jean-Claude REPETTO, Pierre STAHL
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Publication number: 20210138236Abstract: A method and a system for detecting a plurality of health conditions of a cochlea during insertion of an electrode array is described.Type: ApplicationFiled: November 6, 2020Publication date: May 13, 2021Applicant: Oticon Medical A/SInventors: Pierre STAHL, Attila FRATER, Manuel SEGOVIA MARTINEZ, Dan GNANSIA, Behnam MOLAEE, Thomas DEMARCY
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Publication number: 20210001123Abstract: The invention relates to a cochlear implant system comprising a microphone unit configured to receive an acoustical signal and transmit an audio signal based on the acoustical signal, a processor unit configured to receive the audio signal and process the audio signal into a plurality of electrode pulses, an electrode array including a plurality of electrodes configured to stimulate auditory nerves of a user of the cochlear implant system based on the plurality of electrode pulses, and wherein the processor unit is configured to assign an importance value to one or more electrodes of the plurality of electrodes, wherein each of the importance values is determined based on a status of an electrode pulse assigned to the respective electrode, select a main set of electrodes of the plurality of electrodes during a time window, where the importance value of each of the selected electrodes of the main set of electrodes is larger or equal to an importance threshold value, activate the electrodes of the main set of eType: ApplicationFiled: July 2, 2020Publication date: January 7, 2021Applicant: Oticon Medical A/SInventors: Aswin Adris WIJETILLAKE, Simon Krogholt CHRISTIANSEN, Pierre STAHL, Dan GNANSIA, Manuel SEGOVIA MARTINEZ
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Publication number: 20200121928Abstract: A method of calibrating stimulation threshold levels of a cochlear implant, comprises sending a series of stimulation signals having a predetermined length in time to a selected subset of a plurality of stimulation electrodes of the cochlear implant of a user, wherein for each signal of the series of stimulation signals, the stimulation level is larger compared to the stimulation level of the previous stimulation signal; receiving an electrophysiological signal for each stimulation signal from a measurement electrode attached to the head of the user; calculating a cross-correlation signal for each of the received electrophysiological signals for each stimulation level following the first stimulation signal with respect to the first electrophysiological signal received for the first stimulation signal, determining, whether the respective cross-correlation signal exceeds a predetermined threshold level, wherein the sending of the series of stimulation signals is stopped and the stimulation level is set as the tType: ApplicationFiled: October 16, 2019Publication date: April 23, 2020Applicant: Oticon Medical A/SInventors: Pierre STAHL, Dan GNANSIA
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Publication number: 20200045480Abstract: 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.Type: ApplicationFiled: July 30, 2019Publication date: February 6, 2020Applicant: Oticon Medical A/SInventors: Manuel SEGOVIA MARTINEZ, Julian SKOVGAARD, Pierre STAHL, Kai DANG, Aswin WIJETILLAKE
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Publication number: 20200030611Abstract: 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.Type: ApplicationFiled: July 26, 2019Publication date: January 30, 2020Applicant: Oticon Medical A/SInventors: Yannick VAIARELLO, Pierre STAHL, Michel HOEN, Dan GNANSIA
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Patent number: 5426989Abstract: For carrying out a method to displace an object from a resting position to to a working position or vice verse, a device (1) is arranged comprising a screw (3) with two threads (7, 9) with different pitches and a body (2, 4) with internal threads matching the threads of screw (3). The body is shaped in two parts (2) and (4), which are arranged to be able to be displaced relative to one another in the axial direction of the screw (3), whereby a changing from one thread to another thread can be done by changing the distance between said parts (2, 4) of the body. The screw (3) is arranged to a first object and the body (2, 4) to a second object.Type: GrantFiled: June 3, 1993Date of Patent: June 27, 1995Inventors: Jack Uhlmann, Patrik Soderlund, Lennart Sjostedt, Pierre Stahl