Van Der Werf, NL
Erik Cornelis Diederik Van Der Werf, Best NL
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20100177917 | ADAPTIVE FEEDBACK GAIN CORRECTION - A hearing aid includes a signal processor, a input transducer electrically connected to the signal processor, a receiver electrically connected to the signal processor, an adaptive feedback cancellation filter configured to suppress feedback from a signal path between the receiver and the input transducer, and a feedback gain correction unit configured for adjusting a gain parameter of the signal processor based at least in part on coefficients of the adaptive feedback cancellation filter. A method of adjusting a gain parameter of a signal processor of a hearing aid includes monitoring filter coefficients of a feedback cancellation filter of the hearing aid, and adjusting the gain parameter of the signal processor in dependence of the monitored filter coefficients. | 07-15-2010 |
Erik Cornelis Diederik Van Der Werf, Eindhoven NL
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20150125015 | ADAPTIVE RESIDUAL FEEDBACK SUPPRESSION - A hearing aid includes: an input transducer for generating an audio signal; a feedback suppression circuit configured for modelling a feedback path of the hearing aid; a subtractor for subtracting an output signal of the feedback suppression circuit from the audio signal to form a feedback compensated audio signal; a signal processor that is coupled to an output of the subtractor for processing the feedback compensated audio signal to perform hearing loss compensation; and a receiver that is coupled to an output of the signal processor for converting the processed feedback compensated audio signal into a sound signal; wherein the hearing aid further comprises a gain processor for performing gain adjustment of the feedback compensated audio signal based at least on an estimate of a residual feedback signal of the feedback compensated audio signal, wherein the estimate of the residual feedback signal is based at least on the audio signal. | 05-07-2015 |
20150189450 | FEEDBACK SUPPRESSION - A new method for performing adaptive feedback suppression in a hearing aid and a hearing aid utilizing the method are provided. According to the method, a slow adaptive filter and a fast adaptive filter with different error signals for filter coefficient updating are used for feedback suppression. | 07-02-2015 |
20150189451 | BINAURAL HEARING AID SYSTEM WITH FEEDBACK SUPPRESSION - A binaural hearing aid system includes: a first hearing aid having a first microphone, a first processing unit, a first receiver, and a first communication unit; and a second hearing aid having a second microphone, a second processing unit, a second receiver, and a second communication unit; wherein the first communication unit of the first hearing aid is configured to transmit a filtered signal for reception by the second communication unit of the second hearing aid in response to a signal associated with a phone. | 07-02-2015 |
20150317995 | MULTI-BAND SIGNAL PROCESSOR FOR DIGITAL AUDIO SIGNALS - A method includes: processing the digital audio input signal to generate M delayed digital audio signal samples; converting the delayed digital audio signal samples to frequency domain representation in N number of frequency bands to compute respective signal spectrum values; determining respective signal level estimates; computing respective frequency domain gain coefficients based on the respective signal level estimates and band gain laws; transforming the frequency domain gain coefficients to time domain representation to produce M time-varying filter coefficients of a processing filter; convolving the M delayed digital audio signal samples with the time-varying filter coefficients to produce the processed digital output signal; and updating the delayed digital audio signal samples in accordance with a sample-by-sample or a predetermined block rate; wherein two of the signal spectrum values for at least two of the frequency bands are updated at different rates; and wherein M and N are positive integer numbers. | 11-05-2015 |
Erik Cornelis Diederik Van Der Werf, Ex Best NL
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20110103613 | AUDIO SYSTEM WITH FEEDBACK CANCELLATION - An audio system includes a signal processor for processing an audio signal, and a feedback suppressor circuit configured for modelling a feedback signal path of the audio system by provision of a feedback compensation signal based on sets of feedback model parameters for the feedback signal path that are stored in a repository. | 05-05-2011 |
Jan Evert Van Der Werf, Waalre NL
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20080212053 | Device manufacturing method, lithographic apparatus and device manufactured thereby - A device manufacturing method is disclosed. The method includes patterning a beam of radiation, projecting the patterned beam of radiation onto a plurality of outer target portions of a substrate in a sequence in which each subsequent outer target portion is spaced-apart from a preceding outer target portion, and subsequent to projecting the patterned beam of radiation on the plurality of outer target portions, projecting the patterned beam of radiation onto an inner target portion of the substrate. | 09-04-2008 |
Jan Evert Van Der Werf, Eindhoven NL
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20090041077 | OPTICAL READ-OUT - An arrangement for read-out of information from an optical information carrier is disclosed. The system comprises a VCSEL for improving the signal-to-noise ratio of light reflected from and modulated by an information carrier. The VCSEL has a substrate that transmits the emission from the active regions of the VCSEL. Thereby, the need for beam-splitters in the detection branch of the device is completely eliminated. | 02-12-2009 |
Jan Wiebe Van Der Werf, Geleen NL
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20090084149 | Process for the Production of Urea-Comprising Particles - Process for the production of urea-comprising particles, wherein the urea-comprising particles are produced in a pelletizer, comprising a feeding device, a belt and a device to remove the formed pellets from the belt, by feeding a urea-comprising liquid to the feeding device from which droplets of the urea-comprising liquid are dosed to the belt, whereon the urea-comprising droplets solidify and cool to a temperature of ≦55° C., whereafter the formed urea-comprising particles are removed from the belt. | 04-02-2009 |
Jelle Bemandas Otto Van Der Werf, Aw Zwolle NL
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20120183749 | RESINS AND COATING COMPOSITIONS - The invention relates to a polyesteramide resin containing ester groups and at least one amide group in the back-bone characterized in that it has at least one hydroxyalkylamide endgroup, and a Tg<0° C. | 07-19-2012 |
Jelle Bernardus Otto Van Der Werf, Zwolle NL
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20110091653 | COATING COMPOSITION COMPRISING AUTOXIDISABLE COMPONENT - There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; T | 04-21-2011 |
20130225724 | COATING COMPOSITION COMPRISING AUTOXIDISABLE COMPONENT - There is described (pref. non-adhesive) coating compositions (which may be either water or solvent borne) that comprise an autoxidisable vinyl polymer, the autoxidisable polymer having a vinyl polymer backbone 25% to 75% by wt of the autoxidisable polymer; fatty acid residue 25% to 75% by wt of the autoxidisable polymer; T | 08-29-2013 |
Joost Laurens Van Der Werf, Assen NL
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20100101791 | ENHANCED CRUDE OIL RECOVERY METHOD AND SYSTEM - An enhanced crude oil recovery method comprises: | 04-29-2010 |
Maria Johanna Van Der Werf, Tuil NL
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20110217402 | Probiotic Derived Non-Viable Material For Allergy Prevention And Treatment - A process for the preparation of a non-viable probiotic composition having anti-allergic (i.e. allergy preventive and/or anti-allergic in a therapeutic sense) properties, the process including the steps of (a) subjecting LGG to cultivation in a suitable culture medium using a batch process; (b) harvesting the culture supernatant at a late exponential phase of the cultivation step; (c) removing liquid contents from the culture supernatant so as to obtain the composition. Also, a composition comprising a proteinaceous mixture, said composition being obtainable by the above process, and the use thereof in a dietetic product preferably for targeting expecting mother's, infants, or children as well as application in food for specific medical purposes. | 09-08-2011 |
20140193885 | PRODUCTION OF ITACONIC ACID - The invention relates to a nucleic acid sequence encoding an | 07-10-2014 |
Maria Johanna Van Der Werf, Wageningen NL
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20100311132 | PRODUCTION OF ITACONIC ACID - The invention relates to the production of itaconic acid in micro-organisms by introducting into a suitable host cell a gene coding for the enzyme cis-aconitic acid decarboxylase, preferably derived from | 12-09-2010 |
20110070616 | PRODUCTION OF ITACONIC ACID - The invention relates to a nucleic acid sequence encoding an itaconate transporting Major Facilitator Superfamily Transporter (MFST) gene sequence and the protein encoded thereby. Preferably said sequence is the nucleic acid that comprises the sequence of ATEG_09972.1 of | 03-24-2011 |
20110124066 | PRODUCTION OF ITACONIC ACID - The invention relates to a nucleic acid sequence encoding an | 05-26-2011 |
20140199754 | PRODUCTION OF ITACONIC ACID - The invention relates to a nucleic acid sequence encoding an itaconate transporting Major Facilitator Superfamily Transporter (MFST) gene sequence and the protein encoded thereby. Preferably said sequence is the nucleic acid that comprises the sequence of ATEG_09972.1 of | 07-17-2014 |
Nicole Van Der Werf, Zwolle NL
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20130203938 | LOW TEMPERATURE CURE HEAT-CURABLE POWDER COATING COMPOSITION COMPRISING A CRYSTALLINE POLYESTER RESIN, AN AMORPHOUS POLYESTER RESIN, A CROSSLINKING AGENT AND A THERMAL RADICAL INITIATOR - The invention relates to a heat-curable powder coating composition comprising i) at least one crystalline polyester resin present in an amount of at most 90 wt %; and ii) at least one amorphous polyester resin; and iii) at least one crosslinking agent; and iv) at least one thermal radical initiator, wherein, the at least one crystalline polyester resin and/or the at least one amorphous polyester resin has di-acid ethylenic unsaturations; wherein the at least one crosslinking agent is either crystalline or amorphous; wherein the at least one crosslinking agent has reactive unsaturations that are reactable with the ethylenic unsaturations of the di-acid ethylenic unsaturations of the at least one crystalline polyester resin and/or the at least one amorphous polyester resin to be crosslinked, said unsaturations of the crosslinking agent are different from the unsaturations of the at least one crystalline polyester resin and the unsaturations of the at least amorphous polyester resin; wherein the wt % is based on the total amount of i)+ii)+iii). The compositions of the invention may be cured to an acceptable degree at low temperature of for example at most 130° C. for at most 20 minutes, said compositions may be ground, sieved and extrudable and said compositions can upon heat cure form powder coatings that may also exhibit a good balance of properties between good flexibility, good smoothness and good adhesion. In addition, the compositions of the invention can suitably be used on heat- and/or non heat-sensitive, even if the composition is highly pigmented. | 08-08-2013 |
Regina Johanna Albertina Van Der Werf, Rw Den Haag NL
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20160001806 | APPARATUS COMPRISING A BODY SUPPORT FRAME AND MEANS FOR MANOEUVRING THIS FRAME WITH RESPECT TO A SPORTS BOARD - According to the invention, there is provided a frame ( | 01-07-2016 |
Ronald Van Der Werf, Waalre NL
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20100283410 | DRIVE CIRCUITS FOR ELECTRO-LUMINESCENT LAMPS - A drive circuit for delivering an AC voltage to an array of electro-luminescent lamps ( | 11-11-2010 |
20110168577 | ESD PROTECTION FOR BIOSENSORS - A biosensor assembly includes a fluidic system. A biosensor is positioned for direct contact with a fluid as the fluid flows through the fluidic system. An electrostatic discharge (ESD) electrode provides ESD protection for the biosensor. The ESD electrode can be engaged while the fluidic system of the assembly is primed, and then disengaged to prevent leakage currents from the fluid while the biosensor is in operation. | 07-14-2011 |