WIDEX A/S Patent applications |
Patent application number | Title | Published |
20160088407 | METHOD OF SIGNAL PROCESSING IN A HEARING AID SYSTEM AND A HEARING AID SYSTEM - A method of noise suppression in a hearing aid system by providing an improved noise estimate derived from the difference of a first digital audio signal provided by a first input transducer and an adaptively filtered second digital audio signal provided by a second input transducer. The invention further provides a hearing aid ( | 03-24-2016 |
20160080877 | METHOD OF OPERATING A BINAURAL HEARING AID SYSTEM AND A BINAURAL HEARING AID SYSTEM - A method of operating a binaural hearing aid system ( | 03-17-2016 |
20160045134 | ECG MONITOR WITH AN IMPLANTABLE PART - An ECG monitor comprising an electrode part | 02-18-2016 |
20160044425 | METHOD OF REMOTELY FITTING A HEARING AID SYSTEM, A REMOTE HEARING AID FITTING SYSTEM AND A HEARING AID - A method of remote fitting a hearing aid system ( | 02-11-2016 |
20150382112 | BEHIND THE EAR HEARING AID - A hearing aid ( | 12-31-2015 |
20150351654 | ELECTRODE AND LEAKAGE CURRENT TESTING IN AN EEG MONITOR WITH AN IMPLANTABLE PART - A personal wearable EEG monitor comprising an implantable electrode part with at least two electrodes ( | 12-10-2015 |
20150312684 | TRANSCEIVER FOR A HEARING AID AND A METHOD FOR OPERATING SUCH A TRANSCEIVER - A frequency-shift-keying (FSK) transceiver for use in a hearing aid system and having a resonant circuit comprising a transceiver inductance (L | 10-29-2015 |
20150289062 | HEARING AID AND A METHOD FOR AUDIO STREAMING - A mobile communication device ( | 10-08-2015 |
20150281863 | HEARING AID FITTING SYSTEM AND A METHOD OF FITTING A HEARING AID SYSTEM - A hearing aid fitting system ( | 10-01-2015 |
20150281857 | METHOD OF OPERATING A HEARING AID AND A HEARING AID - A method of processing a signal in a hearing aid ( | 10-01-2015 |
20150256948 | HEARING AID SYSTEM ADAPTED FOR PROVIDING ENRICHED SOUND AND A METHOD OF GENERATING ENRICHED SOUND - A hearing aid ( | 09-10-2015 |
20150249893 | HEARING AID WITH A PRE-STRESSED BATTERY SPRING - A hearing aid comprises a battery compartment prepared for receiving a battery ( | 09-03-2015 |
20150245150 | METHOD OF FITTING A HEARING AID SYSTEM AND A HEARING AIDFITTING SYSTEM - A method of fitting a hearing aid system comprising the step of classifying a hearing aid user's hearing loss and adapting the hearing aid fitting in response to this classification. The invention is also directed at a hearing aid fitting system ( | 08-27-2015 |
20150199977 | HEARING AID AND A METHOD FOR IMPROVING SPEECH INTELLIGIBILITY OF AN AUDIO SIGNAL - A system for improving speech intelligibility of an audio signal, comprises a hearing aid ( | 07-16-2015 |
20150092966 | METHOD OF SOUND PROCESSING IN A HEARING AID AND A HEARING AID - A method of processing sound in a hearing aid ( | 04-02-2015 |
20140334629 | HEARING AID FITTING SYSTEM AND A METHOD OF FITTING A HEARING AID SYSTEM - A hearing aid fitting system ( | 11-13-2014 |
20140270294 | METHOD OF OPERATING A HEARING AID AND A HEARING AID - A method of processing a signal in a hearing aid ( | 09-18-2014 |
20140247957 | HEARING AID WITH A BUSHING FOR AN EAR WAX GUARD - A hearing aid ( | 09-04-2014 |
20140247956 | METHOD OF OPERATING A HEARING AID AND A HEARING AID - A method of processing a signal in a hearing aid ( | 09-04-2014 |
20140241556 | AUTOMATIC FSK TUNING CIRCUIT FOR A HEARING AID AND METHOD - An FSK transceiver for use in a hearing aid has means for automatic tuning of the transceiver frequency. The automatic tuning means comprises a phase difference detector and a tuning manager adapted to control the frequency of a resonant circuit of the FSK transceiver according to information received from the phase difference detector. The phase difference detector measures the phase difference across a component of the resonant circuit of the FSK transceiver. If the phase difference of a binary FSK symbol is equal to the phase difference of the opposite binary FSK symbol, the resonant circuit is tuned, otherwise the tuning manager performs a tuning procedure in order to minimize the difference in phase differences, and adjusts the frequency of the resonant circuit accordingly. | 08-28-2014 |
20140205124 | METHOD OF MANUFACTURING A SOFT CUSTOM EAR MOLD AND A SOFT CUSTOM EAR MOLD - A soft custom ear mold ( | 07-24-2014 |
20140177889 | HEARING AID WITH ADAPTIVE NOISE REDUCTION AND METHOD - A method of noise reduction of low-level input signals in a hearing aid involves applying compression to the input signal using a first compression ratio if a detected measure of amplitude modulation in the input signal is below a selected modulation level, and using a second compression ratio if the measure of amplitude modulation is above the selected modulation level. This reduces the volume of low-level steady-state noise while increasing the volume of modulated signals, e.g. speech. A hearing aid having a noise reduction system (10) has means for determining a level of amplitude modulation from a noise level and an absolute average level of an input signal, and comprises a dynamic compressor having a first compression ratio and a second compression ratio. The means for determining the level of amplitude modulation is configured to control the dynamic compressor in such a way that, below a predetermined input level, unmodulated sounds are amplified less than unmodulated sounds. In this way, low-level, unmodulated sounds are dampened by the hearing aid. | 06-26-2014 |
20140171775 | EEG MONITOR WITH CAPACTIVE ELECTRODES AND A METHOD OF MONITORING BRAIN WAVES - A wearable EEG monitor for continuously monitoring the EEG of a user through capacitive coupling to an ear canal of a user comprises an ear insert ( | 06-19-2014 |
20140148724 | HEARING AID WITH SELF FITTING CAPABILITIES - A personal hearing aid ( | 05-29-2014 |
20140093110 | HEARING AID WITH A WIRELESS TRANSCEIVER AND METHOD OF FITTING A HEARING AID - A hearing aid comprising a wireless transceiver ( | 04-03-2014 |
20140050342 | HEARING AID WITH GUIDING MEANS FOR INSERTION - A hearing aid comprises a microphone for transforming an acoustic signal surrounding a hearing aid user into an electrical signal, a signal processing means for processing the electrical signal into an electrical output signal and to a receiver ( | 02-20-2014 |
20140037099 | HEARING AID WITH MEANS FOR ESTIMATING THE EAR PLUG FITTING - A hearing aid ( | 02-06-2014 |
20130296731 | PERSONAL EEG MONITORING DEVICE WITH ELECTRODE VALIDATION - A personal wearable EEG monitor ( | 11-07-2013 |
20130249726 | INPUT CONVERTER FOR A HEARING AID AND SIGNAL CONVERSION METHOD - In order to minimize noise and current consumption in a hearing aid, an input converter including a first voltage transformer and an analog-to-digital converter of the delta-sigma type for a hearing aid is devised. The analog-to-digital converter of the input converter has an input stage, an output stage, and a feedback loop, and the input stage includes an amplifier (Q | 09-26-2013 |
20130216076 | HEARING AID AND METHOD OF DRIVING AN OUTPUT STAGE - In a hearing aid ( | 08-22-2013 |
20130208932 | METHOD AND SYSTEM FOR WIRELESS COMMUNICATION BETWEEN A TELEPHONE AND A HEARING AID - The present invention relates to a system comprising a telephone ( | 08-15-2013 |
20130208930 | HEARING AID SYSTEM AND METHOD OF FITTING A HEARING AID SYSTEM - A hearing aid system ( | 08-15-2013 |
20130202119 | BINAURAL HEARING AID SYSTEM AND A METHOD OF PROVIDING BINAURAL BEATS - A binaural hearing aid system ( | 08-08-2013 |
20130195302 | HEARING AID AND A METHOD OF ENHANCING SPEECH REPRODUCTION - A hearing aid ( | 08-01-2013 |
20130195300 | HEARING AID SYSTEM AND A HEARING AID - A hearing aid ( | 08-01-2013 |
20130188814 | HEARING AID WITH AN H-BRIDGE OUTPUT STAGE AND A METHOD OF DRIVING AN OUTPUT STAGE - A digital, three-level output driver ( | 07-25-2013 |
20130188811 | METHOD OF CONTROLLING SOUNDS GENERATED IN A HEARING AID AND A HEARING AID - A hearing aid ( | 07-25-2013 |
20130184552 | BI-HEMISPHERIC BRAIN WAVE SYSTEM AND METHOD OF PERFORMING BI-HEMISPHERICAL BRAIN WAVE MEASUREMENTS | 07-18-2013 |
20130182875 | HEARING AID AND A METHOD OF IMPROVED AUDIO REPRODUCTION - A hearing aid comprising a frequency shifter ( | 07-18-2013 |
20130095759 | MONITORING DEVICE AND METHOD FOR WIRELESS POWER TRANSMISSION IN A MONITORING DEVICE - In a monitoring device consisting of a reader and a data carrier, the reader ( | 04-18-2013 |
20130070946 | AUTOMATIC POWER-OFF OF HEARING AID - A hearing aid system comprises a hearing aid ( | 03-21-2013 |
20130064408 | HEARING AID AND AN EAR PIECE FOR A HEARING AID - A behind-the-ear hearing aid ( | 03-14-2013 |
20130064407 | HEARING AID WITH ADAPTIVE BULK BIASING POWER MANAGEMENT - A power management system for a digital processing core of a battery-powered hearing aid is adapted for providing power to the hearing aid circuit in a particularly efficient manner. The power management system comprises a first linear voltage regulator, and a second linear voltage regulator in series with a switched-capacitor 2:1 SC converter, a positive bulk biasing voltage supply, and a negative bulk biasing voltage supply, for controlling the switching speed, threshold voltage, and current leak from the semiconductor elements of the digital processing core when the core is operated at the reduced voltage provided by the power management system. The power management system may save between 50% and 70% of the power consumed by the digital processing core of the hearing aid circuit. The invention further provides a method for providing a supply voltage to a digital hearing aid. | 03-14-2013 |
20130039519 | TWO PART HEARING AID WITH DATABUS AND METHOD OF COMMUNICATING BETWEEN THE PARTS - A hearing aid comprises a power supply, a microphone and a base part to be arranged outside the ear canal of a hearing aid user, and an ear plug part to be arranged in the ear canal of a hearing aid user. The ear plug part comprises a receiver for transmitting sound into the ear canal, and a transducer generating a signal to be transferred to said base part. A databus connects the ear plug part with the base part. The databus comprises two electrical wires adapted for transmission of signal to the receiver, and for transmission of signal from the transducer to the base part. The databus provides power supply either from the base part to the ear plug part, or, from the ear plug part to the base part. The invention further provides a method for communicating between two parts of a hearing aid. | 02-14-2013 |
20130039517 | HEARING AID AND A METHOD FOR ALLEVIATING TINNITUS - A hearing aid ( | 02-14-2013 |
20130028454 | HEARING AID ADAPTED FOR SUPPRESSION OF WIND NOISE - A hearing aid ( | 01-31-2013 |
20130014768 | HEARING AID EAR PLUG WITH AN EXTRACTION CORD - An ear plug ( | 01-17-2013 |
20130009609 | MONITORING DEVICE AND A METHOD FOR WIRELESS DATA AND POWER TRANSMISSION IN A MONITORING DEVICE - In a monitoring device including a reader and a data carrier, the data carrier includes a receiver coil ( | 01-10-2013 |
20130004001 | HEARING AID WITH MECHANICAL SOUND GENERATING MEANS FOR FUNCTION SELECTION - A hearing aid ( | 01-03-2013 |
20120316418 | TWO PART EEG MONITOR WITH DATABUS AND METHOD OF COMMUNICATING BETWEEN THE PARTS - A personal wearable EEG monitor comprises a base part ( | 12-13-2012 |
20120308020 | SYSTEM AND METHOD FOR MEASURING AND VALIDATING THE OCCLUSION EFFECT OF A HEARING AID USER - A system for estimating the occlusion effect comprises a hearing aid adapted for being set up for operation in an occlusion measurement mode. The hearing aid comprises a first transducer ( | 12-06-2012 |
20120302858 | PORTABLE EEG MONITOR SYSTEM WITH WIRELESS COMMUNICATION - A system for remote surveillance of an EEG signal of a person susceptible of having a hypoglycemic seizure comprises an EEG sensor part with electrodes for measuring one or more EEG signals from the person, and a processing unit adapted to be arranged at the ear of said person. EEG signal processing means is adapted for analyzing the EEG signal, for identifying or predicting a hypoglycemic seizure in the person. The system comprises a first connection between the EEG sensor part and the processing unit, adapted for transmitting an EEG signal from the implantable EEG sensor to the processing unit. The system comprises an external part adapted to receive wirelessly an alarm from the processing part, where the external part is adapted to forward an alarm to a care-giver. The invention further provides a method of EEG surveillance. | 11-29-2012 |
20120257774 | EAR PLUG FOR A HEARING AID AND A HEARING AID - An earplug ( | 10-11-2012 |
20120243693 | METHOD OF PROCESSING A SIGNAL IN A HEARING AID, A METHOD OF FITTING A HEARING AID AND A HEARING AID - A method comprises deriving a control signal ( | 09-27-2012 |
20120238856 | PORTABLE MONITORING DEVICE WITH HEARING AID AND EEG MONITOR - A portable monitoring device comprises a hearing aid having a housing, a microphone ( | 09-20-2012 |
20120235820 | METHOD AND APPARATUS FOR ALERTING A PERSON CARRYING AN EEG ASSEMBLY - A method of alerting a person using an EEG assembly ( | 09-20-2012 |
20120209101 | EAR PLUG WITH SURFACE ELECTRODES - An ear plug ( | 08-16-2012 |
20120195450 | METHOD FOR CONTROL OF ADAPTATION OF FEEDBACK SUPPRESSION IN A HEARING AID, AND A HEARING AID - A method for controlling adaptation of a feedback suppression filter in a hearing aid comprises the step of suspending the adaptation of the feedback suppression filter when the level of a hearing aid reference signal is below a predetermined threshold. The invention further provides a hearing aid with a feedback suppression filter and with means for suspending adaptation of the feedback suppression filter. | 08-02-2012 |
20120195449 | HEARING AID SYSTEM WITH LOST PARTNER FUNCTIONALITY - A hearing aid system includes a first ( | 08-02-2012 |
20120177234 | HEARING AID WITH AUDIO CODEC AND METHOD - A hearing aid comprising a time domain codec. The codec comprises a decoder adapted to generate a decoded output signal based on an input quantization index and an encoder for generating an output quantization index based on an input signal, said encoder comprising said decoder and a predictor receiving an excitation signal derived from said decoder output signal and outputting a prediction signal. The output quantization index is determined by repeated decoding of the quantization indices in order to minimize the error between the input signal and the prediction signal, and the predictor uses a recursive autocorrelation estimate for the error minimization. The invention further provides a method of encoding an audio signal. | 07-12-2012 |
20120177233 | HEARING AID ADAPTED FOR DETECTING BRAIN WAVES AND A METHOD FOR ADAPTING SUCH A HEARING AID - A hearing aid comprises an amplifier ( | 07-12-2012 |
20120165695 | EEG MONITORING APPARATUS AND METHOD FOR PRESENTING MESSAGES THEREIN - An EEG monitoring apparatus ( | 06-28-2012 |
20120163643 | FILTER FOR A HEARING AID AND A HEARING AID - A hearing aid ( | 06-28-2012 |
20120148054 | METHOD OF INITIALIZING A BINAURAL LHEARING AID SYSTEM AND A HEARING AID - In a method of initializing a binaural hearing aid system ( | 06-14-2012 |
20120140963 | STORAGE SYSTEM FOR A HEARING AID - A storage system for storing a hearing aid comprises means for providing power ( | 06-07-2012 |
20120128163 | METHOD AND PROCESSING UNIT FOR ADAPTIVE WIND NOISE SUPPRESSION IN A HEARING AID SYSTEM AND A HEARING AID SYSTEM - A processing unit that adaptively suppresses wind noise in a hearing aid is provided. The processing unit ( | 05-24-2012 |
20120123290 | EEG MONITORING SYSTEM AND METHOD OF MONITORING AN EEG - An EEG monitoring system ( | 05-17-2012 |
20120039497 | TWO PART HEARING AID WITH DATABUS CONNECTION - A two part hearing aid includes a base part ( | 02-16-2012 |
20120010522 | INPUT CONVERTER FOR AN EEG MONITORING SYSTEM, SIGNAL CONVERSION METHOD AND MONITORING SYSTEM - In order to minimize noise and current consumption in an EEG monitoring system ( | 01-12-2012 |
20120007760 | INPUT CONVERTER FOR A HEARING AID AND SIGNAL CONVERSION METHOD - In order to minimize noise and current consumption in a hearing aid, an input converter comprising a first voltage transformer and an analog-to-digital converter of the delta-sigma type for a hearing aid is devised. The analog-to-digital converter of the input converter has an input stage, an output stage, and a feedback loop, and the input stage comprises an amplifier (Q | 01-12-2012 |
20110319018 | METHOD FOR ESTABLISHING SHORT-RANGE, WIRELESS COMMUNICATION BETWEEN A MOBILE PHONE AND A HEARING AID - A method for establishing short-range, wireless communication between a mobile phone and a hearing aid comprises the steps of: providing a mobile phone having means for short-range, wireless communication, providing a first signal representing an audio signal for reproduction by the mobile phone, providing a hearing aid having means for short-range, wireless communication, pairing the mobile phone to the hearing aid by means of the short-range, wireless communication means, and transmitting the first signal from the mobile phone to the hearing aid by means of the short-range, wireless communication means. The invention further provides a hearing aid ( | 12-29-2011 |
20110299711 | SOUND MESSAGE RECORDING SYSTEM FOR A HEARING AID - A system for recording and playing sound messages to be applied for the indication of a status in a hearing aid ( | 12-08-2011 |
20110299692 | SYSTEM, METHOD AND HEARING AIDS FOR IN SITU OCCLUSION EFFECT MEASUREMENT - A hearing aid ( | 12-08-2011 |
20110268301 | HEARING AID AND A METHOD OF DETECTING AND ATTENUATING TRANSIENTS - A hearing aid has means ( | 11-03-2011 |
20110261985 | HEARING AID EARPIECE AND A METHOD OF MANUFACTURING A HEARING AID EARPIECE - A hearing aid earpiece ( | 10-27-2011 |
20110235835 | METHOD FOR FINE TUNING A HEARING AID - A method for fitting a hearing aid ( | 09-29-2011 |
20110211717 | HEARING AID WITH ADAPTIVE BULK BIASING POWER MANAGEMENT - A power management system ( | 09-01-2011 |
20110188690 | RECEIVER IN CONCHA - An elastic sleeve member ( | 08-04-2011 |
20110188662 | METHOD OF RENDERING BINAURAL STEREO IN A HEARING AID SYSTEM AND A HEARING AID SYSTEM - A hearing aid system comprising means ( | 08-04-2011 |
20110182454 | RETAINING MODULE FOR THE EARPIECE OF A HEARING AID - A retaining module ( | 07-28-2011 |
20110182451 | METHOD FOR MANUFACTURING A HEARING AID HAVING A CUSTOM FITTED RESILIENT COMPONENT - A method for manufacturing a hearing aid component ( | 07-28-2011 |
20110164771 | METHOD FOR CONTROLLING THE DIRECTIONALITY OF THE SOUND RECEIVING CHARACTERISTIC OF A HEARING AID AND A SIGNAL PROCESSING APPARATUS - A signal processing apparatus ( | 07-07-2011 |
20110110544 | METHOD OF COATING A HEARING AID COMPONENT AND A HEARING AID COMPRISING A COATED COMPONENT - A method for coating of a hearing aid said method comprising the deposition of an adhesion layer that does not develop corrosive reaction products. The method comprises applying an organometallic compound to the surface of the hearing aid component using vapour phase deposition, inducing a reaction to convert it to a metal oxide, then applying a silane molecule to the surface, and inducing a reaction between the applied silane molecule and the metal oxide. The invention also relates to a hearing aid comprising a component for a hearing aid provided with a hydrophobic coating comprising a layer of aluminium oxide, and a coating for a hearing aid component. The coating is produced in a system ( | 05-12-2011 |
20110058699 | APPARATUS AND METHOD FOR OPERATING A HEARING AID - A programmable hearing aid receives and transmits data wirelessly from and to a portable module in proximity to the hearing aid. The portable module receives an audio signal via a telecoil and transmits the audio signal to the hearing aid, preferably in the form of an encoded digital bit stream. | 03-10-2011 |
20110013794 | METHOD FOR SOUND PROCESSING IN A HEARING AID AND A HEARING AID - A method for processing and controlling sound signals in a hearing aid is provided. The method comprises estimating a first ( | 01-20-2011 |
20100246865 | HEARING AID AND A METHOD OF OPERATING A HEARING AID - A hearing aid ( | 09-30-2010 |
20100232633 | HEARING AID AND A METHOD OF MANAGING A LOGGING DEVICE - A hearing aid ( | 09-16-2010 |
20100220878 | FSK RECEIVER FOR A HEARING AID AND A METHOD FOR PROCESSING AN FSK SIGNAL - A hearing aid ( | 09-02-2010 |
20100191125 | APPARATUS AND METHOD FOR OBTAINING GEOMETRICAL DATA RELATING TO A CAVITY - Disclosed is an apparatus for obtaining geometrical data relating to an internal surface of a cavity. The apparatus comprises a probe having an end portion insertable into the cavity in a direction of insertion, radiation directing means for directing electromagnetic radiation from the end portion to at least one location on the internal surface to cause the radiation to be reflected from said location, detection means for detecting the reflected radiation from the at least one location, and means for determining from the detected radiation a distance between the probe and the internal surface in a direction having at least a transverse component relative to the direction of insertion. The radiation directing means is adapted to direct the radiation at an acute angle relative to the direction of insertion. | 07-29-2010 |
20100111315 | METHOD FOR IDENTIFYING A RECEIVER IN A HEARING AID - A method for identifying a receiver in a hearing aid of the RITE (Receiver In The Ear) type ( | 05-06-2010 |
20100086156 | SYSTEM FOR ESTABLISHING A CONVERSATION GROUP AMONG A NUMBER OF HEARING AIDS - A system for establishing within a communication network a conversation group between a number of hearing aids ( | 04-08-2010 |
20100086155 | HEARING AID ADAPTED FOR ISSUING A NOTIFICATION AND A METHOD FOR ISSUING A NOTIFICATION - A hearing aid is adapted for issuing, at at least one predetermined notification time, a notification to a hearing aid user wearing the hearing aid. The hearing aid comprises digital circuitry ( | 04-08-2010 |
20100086143 | METHOD FOR USER INDVIDUALIZED FITTING OF A HEARING AID - A method for user individualized fitting of a hearing aid comprises: Performing an initial fitting ( | 04-08-2010 |
20100076339 | SYSTEM AND METHOD FOR THE OBJECTIVE MEASUREMENT OF HEARING ABILITY OF AN INDIVIDUAL - A system for determining the hearing ability of an individual comprises a generator for generating a test stimulus signal, a hearing aid ( | 03-25-2010 |
20100038080 | METHOD AND APPARATUS FOR PROGRAMMABLE ROBOTIC ROTARY MILL CUTTING OF MULTIPLE NESTED TUBULARS - A methodology and apparatus for cutting shape(s) or profile(s) through well tubular(s), or for completely circumferentially severing through multiple tubulars, including all tubing, pipe, casing, liners, cement, other material encountered in tubular annuli. This rigless apparatus utilizes a computer-controlled, downhole robotic three-axis rotary mill to effectively generate a shape(s) or profile(s) through, or to completely sever in a 360 degree horizontal plane wells with multiple, nested strings of tubulars whether the tubulars are concentrically aligned or eccentrically aligned. This is useful for well abandonment and decommissioning where complete severance is necessitated and explosives are prohibited, or in situations requiring a precise window or other shape to be cut through a single tubular or plurality of tubulars. | 02-18-2010 |
20090304216 | RECEIVER IN THE EAR (RITE) COMPONENT FOR A HEARING AID - A receiver in the ear (RITE) component ( | 12-10-2009 |
20090304215 | HEARING AID AND A METHOD FOR ENHANCING SPEECH INTELLIGIBILITY - A hearing aid ( | 12-10-2009 |
20090290146 | PROBING DEVICE AND A SYSTEM FOR OBTAINING GEOMETRICAL DATA RELATED TO A CAVITY - Disclosed is a probing device for obtaining geometrical data related to a cavity, the probing device comprising at least one light source for generating electromagnetic radiation; a handheld probe body comprising a probe tip for obtaining said geometrical data related to a cavity; at least one light guide for guiding electromagnetic radiation; wherein a first end of said at least one light guide is optically coupled to said probe tip; and wherein the at least one light source is optically coupled to a second end of said at least one light guide and wherein the at least one light source is rigidly connected to said probe body. | 11-26-2009 |
20090289938 | APPARATUS AND METHOD FOR REPRESENTING A SCANNED SURFACE - Disclosed is a method for generating a digital representation of a surface of an object from point data indicative of coordinates of points on the surface. The method comprises receiving a point data item indicative of coordinates of a point in a first one of a plurality of sub-volumes of a volume to be scanned; determining whether a first predetermined trigger condition is fulfilled for the first sub-volume; and if the first trigger condition is fulfilled, computing a local surface representation associated with the first sub-volume from received point data items associated with at least the first sub-volume; determining whether a second predetermined trigger condition is fulfilled; and if the second trigger condition is fulfilled, computing a surface representation of the surface of the object from a set of computed local surface representations associated with respective sub-volumes. | 11-26-2009 |
20090289621 | PROBE AND COIL FIXED THERETO FOR ESTABLISHING THE SPATIAL LOCATION OF A PROBE BODY AND A METHOD OF FIXEDLY POSITION A MAGNETIC GENERATING MEANS TO A PROBE BODY AND A SYSTEM FOR OBTAINING GEOMETRICAL DATA RELATED TO A CAVITY - Disclosed is a probe for obtaining geometrical data related to a cavity, the probe comprising a probe body comprising a first coupling means; at least one magnetic field generating device comprising a support member and a means for generating a magnetic field; wherein said means for generating a magnetic field being connected to the support member so as to fix a position of said means for generating a magnetic field relative to said support member and wherein said support member comprises a second coupling means configured to engage the first coupling means so as to connect the at least one magnetic field generating device to said probe body. | 11-26-2009 |
20090262966 | COMPONENT FOR A HEARING AID AND A METHOD OF MAKING A COMPONENT FOR A HEARING AID - A hearing aid ( | 10-22-2009 |
20090154747 | FILTER FOR A HEARING AID AND A HEARING AID - A hearing aid ( | 06-18-2009 |
20090129619 | HEARING AID METHOD FOR IN-SITU OCCLUSION EFFECT AND DIRECTLY TRANSMITTED SOUND MEASUREMENT - A hearing aid ( | 05-21-2009 |
20090095307 | EARPLUG WITH ENGAGEMENT MEANS - An earplug for a hearing aid adapted for engagement with earpieces made of materials with a comparatively high hardness. The earplug comprises a resilient sleeve and a shell, the shell having an outer portion adapted to fit within a user's ear canal and a central bore, the central bore having a first abutment shoulder adapted for retaining the resilient sleeve inside the shell and a second abutment shoulder adapted for providing a stop for the resilient sleeve and for the earpiece. Hereby the resilient sleeve is able to combine relatively relaxed manufacturing tolerances with precise positioning of the earpiece inside the earplug. | 04-16-2009 |
20090067654 | HEARING AID AND METHOD OF ESTIMATING DYNAMIC GAIN LIMITATION IN A HEARING AID - There is presented a hearing aid that comprises an input transducer for transforming an acoustic input signal into an electrical input signal, a compressor for generating an electrical output signal from the electrical input signal, an output transducer for transforming the electrical output signal into an acoustic output signal, an autocorrelation estimator for calculating an autocorrelation estimate of the electrical input signal, and an acoustic loop gain estimator for determining a dynamic gain limit from the autocorrelation estimate and an instantaneous gain level of the signal processor. The invention further provides a method of adjusting signal path gain in a hearing aid, and a system for providing increased stability in a hearing aid. | 03-12-2009 |
20090067651 | HEARING AID, AND A METHOD FOR CONTROL OF ADAPTATION RATE IN ANTI-FEEDBACK SYSTEMS FOR HEARING AIDS - A hearing aid comprises at least one microphone (M) for converting input sound into an input signal, a subtraction node for subtracting a feedback cancellation signal from the input signal thereby generating a processor input signal, a hearing aid processor (G) for producing a processor output signal by applying an amplification gain to the processor input signal, a receiver (R) for converting the processor output signal into output sound, an adaptive feedback cancellation filter for adaptively deriving the feedback cancellation signal from the processor output signal by applying filter coefficients, calculation means for calculating the autocorrelation of a reference signal, and an adaptation means for adjusting the filter coefficients with an adaptation rate, wherein the adaptation rate is controlled in dependency of the autocorrelation of the reference signal. | 03-12-2009 |
20090046880 | TOOL FOR INSERTION AND REMOVAL OF A HEARING AID EAR WAX GUARD AND A METHOD FOR ITS USE - For the protection of an in-the-ear hearing aid against contamination by ear wax through the acoustic outlet port ( | 02-19-2009 |
20090028367 | HEARING AID AND METHOD FOR CONTROLLING SIGNAL PROCESSING IN A HEARING AID - A hearing aid comprises a signal path for receiving at least one audio input signal and autocorrelation index (ACI) estimating means ( | 01-29-2009 |
20090028366 | HEARING AID WITH ADAPTIVE FEEDBACK SUPPRESSION - A hearing aid comprises an input transducer ( | 01-29-2009 |
20090028351 | METHOD FOR THE FITTING OF A HEARING AID, A SYSTEM FOR FITTING A HEARING AID AND A HEARING AID - A method for use in the fitting of a hearing aid comprises the steps of providing a sound recording of a user environment, feeding the sound recording to the hearing aid as a sound input signal ( | 01-29-2009 |
20080317268 | METHOD AND SYSTEM OF NOISE REDUCTION IN A HEARING AID - A hearing aid ( | 12-25-2008 |
20080298615 | HEARING AID AND METHOD OF UTILIZING GAIN LIMITATION IN A HEARING AID - A hearing aid ( | 12-04-2008 |
20080292122 | HEARING AID AND METHOD OF COMPENSATION FOR DIRECT SOUND IN HEARING AIDS - A hearing aid comprises at least one microphone, a signal processing means and an output transducer, the signal processing means being adaptive to receive an input signal from the microphone, wherein the signal processing means is adapted to apply a hearing aid gain to the input signal to produce an output signal to be output by the output transducer, and wherein the signal processing means further comprises means for adjusting the hearing aid gain if the hearing aid gain would be below a direct transmission gain calculated for the hearing aid. | 11-27-2008 |
20080273728 | HEARING AID WITH FEEDBACK MODEL GAIN ESTIMATION - A hearing aid includes an input transducer for transforming an acoustic input signal into an electrical input signal, a processor for generating an electrical output signal by amplifying the electrical input signal with a processor gain, an output transducer for transforming the electrical output signal into an acoustic output signal, an adaptive feedback suppression filter for generating a feedback cancellation signal, and a model gain estimator generating an upper processor gain limit and for providing a control parameter indicating a possible misadjustment of the model. | 11-06-2008 |
20080260193 | INTERCHANGEABLE ACOUSTIC SYSTEM FOR A HEARING AID, AND A HEARING AID - An acoustic system ( | 10-23-2008 |
20080260190 | HEARING AID AND METHOD OF OPERATING A HEARING AID - A hearing aid is provided which has at least one input transducer for providing an input signal, at least one signal processing channel receiving at least a portion of said input signal, a hearing aid processor for processing said portion of said input signal to produce at least one output signal, an output transducer responsive to said output signal, and a data logger receiving said portion of said input signal for logging of input signal data. The data logger comprises a characterisation unit for characterising and logging parameters of the input signal data, and a memory unit for storing said parameters. | 10-23-2008 |
20080260171 | METHOD AND SYSTEM FOR FITTING A HEARING AID - In a method and system for fitting the gain of a hearing aid ( | 10-23-2008 |
20080253596 | HEARING AID AND A METHOD OF PROCESSING INPUT SIGNALS IN A HEARING AID - A hearing aid comprises two microphones, directional processing means for combining the respective audio signals to form a spatial signal, a beamformer for controlling the directional processing means to provide adaptation of the spatial signal, and means for boosting low frequencies of the spatial signal. A feedback estimator generates a feedback compensation signal, which is combined with the boosted spatial signal. By applying feedback compensation only after directional processing and low frequency boosting, the device avoids interference by the feedback estimator with the function of the beamformer. The invention also provides a method of processing signals in a hearing aid. | 10-16-2008 |
20080253580 | EQUIPMENT FOR PROGRAMMING A HEARING AID AND AHEARING AID - A programming equipment ( | 10-16-2008 |
20080240453 | METHOD AND SYSTEM FOR SURVEILLANCE OF A WIRELESS CONNECTION IN A HEARING AID FITTING SYSTEM - A method is presented of evaluating a wireless connection while fitting a hearing aid. The method comprises the steps of sending a signal via the wireless connection from a computer system ( | 10-02-2008 |