Patents by Inventor Charles Nduka
Charles Nduka 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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Publication number: 20240105169Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: December 4, 2023Publication date: March 28, 2024Inventors: Charles NDUKA, Andrew CLEAL, James ARCHER, Mohsen FATOORECHI
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Patent number: 11836236Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: GrantFiled: December 16, 2022Date of Patent: December 5, 2023Assignee: EMTEQ LIMITEDInventors: Charles Nduka, Andrew Cleal, James Archer, Mohsen Fatoorechi
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Publication number: 20230130318Abstract: A method of determining a measure of contact of an EMG sensor with the skin of a human or animal subject, the method comprising: receiving data captured by the EMG sensor; calculating a spectral entropy of the received data over a first time period in respect of a predetermined frequency band; determining a measure of contact for the first time period in dependence on the spectral entropy of the received data; and processing the received data of the first time period in dependence on the measure of contact.Type: ApplicationFiled: October 21, 2022Publication date: April 27, 2023Applicant: Emteq LimitedInventors: Charles Nduka, Mahyar Hamedi, Andrew Cleal, Mohsen Fatoorechi
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Publication number: 20230123831Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: December 16, 2022Publication date: April 20, 2023Inventors: Charles NDUKA, Andrew CLEAL, James ARCHER, Mohsen FATOORECHI
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Publication number: 20230040023Abstract: A biometric authentication system comprising headwear comprising a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal; a data store for storing a data set representing characteristic muscle activity for one or more users; and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: October 14, 2022Publication date: February 9, 2023Inventors: Charles NDUKA, Mahyar HAMEDI, Graeme COX
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Patent number: 11538279Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: GrantFiled: May 10, 2021Date of Patent: December 27, 2022Assignee: EMTEQ LIMITEDInventors: Charles Nduka, Andrew Cleal, James Archer, Mohsen Fatoorechi
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Patent number: 11517257Abstract: Apparatus for providing muscular biofeedback, comprising: facewear supporting biosensors arranged such that, in use, the biosensors are situated for detecting activity of a predetermined set of facial muscles; a feedback unit for providing biofeedback to a wearer of the facewear; and a control unit coupled to the biosensors and the feedback unit and arranged to identify patterns in the signals from the biosensors characteristic of one or more predefined imbalances in muscle activity between the left and right sides of the face; wherein the control unit is configured to, on identifying a pattern in the signals from biosensors characteristic of a first predefined imbalance in muscle activity between the left and right sides of the face, cause the feedback unit to provide biofeedback in correspondence with the imbalance.Type: GrantFiled: August 26, 2019Date of Patent: December 6, 2022Assignee: EMTEQ LIMITEDInventor: Charles Nduka
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Patent number: 11482043Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: GrantFiled: February 27, 2018Date of Patent: October 25, 2022Assignee: EMTEQ LIMITEDInventors: Charles Nduka, Mahyar Hamedi, Graeme Cox
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Publication number: 20220167900Abstract: Apparatus for measuring biological electrical activity, comprising: a plurality of sensors adapted for contact with a human or animal body; a signal injector configured to inject a reference signal into the body, the reference signal having a frequency substantially different to frequencies characteristic of the biological electrical activity; a lift-detection unit configured to receive signals from the plurality of sensors and, in dependence on the magnitude of the reference signal detected by each sensor, form a measure of the degree of contact between each respective sensor and the body; and a noise calculation unit configured to form an active cancellation signal by combining the signals detected by the sensors in dependence on their respective measures of the degree of contact with the body and to cause the signal injector to inject the active cancellation signal into the body.Type: ApplicationFiled: April 2, 2020Publication date: June 2, 2022Inventors: Charles NDUKA, Andrew CLEAL, Mohsen FATOORECHI
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Publication number: 20210271861Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: May 10, 2021Publication date: September 2, 2021Inventors: Charles NDUKA, Andrew CLEAL, James ARCHER, Mohsen FATOORECHI
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Patent number: 11003899Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: GrantFiled: February 27, 2018Date of Patent: May 11, 2021Assignee: EMTEQ LIMITEDInventors: Charles Nduka, Andrew Cleal, James Archer, Mohsen Fatoorechi
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Publication number: 20200065569Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: February 27, 2018Publication date: February 27, 2020Inventors: Charles NDUKA, Mahyar HAMEDI, Graeme COX
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Publication number: 20200034608Abstract: Some embodiments are directed to a biometric authentication system including headwear having a plurality of biosensors each configured to sample muscle activity so as to obtain a respective time-varying signal, a data store for storing a data set representing characteristic muscle activity for one or more users, and a processor configured to process the time-varying signals from the biosensors in dependence on the stored data set so as to determine a correspondence between a time-varying signal and characteristic muscle activity of one of the one or more users, and in dependence on the determined correspondence, authenticate the time-varying signals as being associated with that user.Type: ApplicationFiled: February 27, 2018Publication date: January 30, 2020Inventors: Charles NDUKA, Andrew CLEAL, James ARCHER, Mohsen FATOORECHI
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Publication number: 20190380644Abstract: Apparatus for providing muscular biofeedback, comprising: facewear supporting biosensors arranged such that, in use, the biosensors are situated for detecting activity of a predetermined set of facial muscles; a feedback unit for providing biofeedback to a wearer of the facewear; and a control unit coupled to the biosensors and the feedback unit and arranged to identify patterns in the signals from the biosensors characteristic of one or more predefined imbalances in muscle activity between the left and right sides of the face; wherein the control unit is configured to, on identifying a pattern in the signals from biosensors characteristic of a first predefined imbalance in muscle activity between the left and right sides of the face, cause the feedback unit to provide biofeedback in correspondence with the imbalance.Type: ApplicationFiled: August 26, 2019Publication date: December 19, 2019Inventor: Charles NDUKA
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Patent number: 10398373Abstract: Apparatus for providing muscular biofeedback, comprising: facewear supporting biosensors arranged such that, in use, the biosensors are situated for detecting activity of a predetermined set of facial muscles; a feedback unit for providing biofeedback to a wearer of the facewear; and a control unit coupled to the biosensors and the feedback unit and arranged to identify patterns in the signals from the biosensors characteristic of one or more predefined imbalances in muscle activity between the left and right sides of the face; wherein the control unit is configured to, on identifying a pattern in the signals from biosensors characteristic of a first predefined imbalance in muscle activity between the left and right sides of the face, cause the feedback unit to provide biofeedback in correspondence with the imbalance.Type: GrantFiled: July 1, 2013Date of Patent: September 3, 2019Assignee: EMTEQ LIMITEDInventor: Charles Nduka
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Publication number: 20150157255Abstract: Apparatus for providing muscular biofeedback, comprising: facewear supporting biosensors arranged such that, in use the biosensors are situated for detecting activity of a predetermined set of facial muscles; a feedback unit for providing biofeedback to a wearer of the facewear; and a control unit coupled to the biosensors and the feedback unit and arranged to identify patterns in the signals from the biosensors characteristic of one or more predefined imbalances in muscle activity between the left and right sides of the face; wherein the control unit is configured to, on identifying a pattern in the signals from biosensors characteristic of a first predefined imbalance in muscle activity between the left and right sides of the face, cause the feedback unit to provide biofeedback in correspondence with the imbalance.Type: ApplicationFiled: July 1, 2013Publication date: June 11, 2015Inventor: Charles Nduka