Patents by Inventor Srinivasan Murali
Srinivasan Murali 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: 20230263409Abstract: A monitoring device for monitoring of vital signs of a living organism comprises at least two electrode pins for receiving an electrical activity of the living organism and an optical sensor for sensing a pulse of the living organism, wherein the monitoring device has a compact form and the at least two electrode pins and the optical sensor are integrated in the monitoring device.Type: ApplicationFiled: April 24, 2023Publication date: August 24, 2023Inventors: Srinivasan MURALI, Francisco Javier RINCON VALLEJOS, Sébastien BAUMANN, Ester PÉREZ MARCOS
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Patent number: 11666229Abstract: A monitoring device for monitoring of vital signs of a living organism comprises at least two electrode pins for receiving an electrical activity of the living organism and an optical sensor for sensing a pulse of the living organism, wherein the monitoring device has a compact form and the at least two electrode pins and the optical sensor are integrated in the monitoring device.Type: GrantFiled: November 24, 2017Date of Patent: June 6, 2023Assignee: SmartCardia SAInventors: Srinivasan Murali, Francisco Javier Rincon Vallejos, Sébastien Baumann, Ester Pérez Marcos
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Publication number: 20210345270Abstract: In a method for synchronization of a multitude of wearable devices. Each wearable device is attached to a body (B) of a living organism. A software application running on a coordination device sends an application time information to each wearable device such as to allow the wearable devices to synchronize.Type: ApplicationFiled: August 18, 2018Publication date: November 4, 2021Inventors: Srinivasan Murali, Francisco Javier Rincon Vallejos
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Publication number: 20210000351Abstract: A monitoring device for monitoring of vital signs of a living organism comprises at least two electrode pins for receiving an electrical activity of the living organism and an optical sensor for sensing a pulse of the living organism, wherein the monitoring device has a compact form and the at least two electrode pins and the optical sensor are integrated in the monitoring device.Type: ApplicationFiled: November 24, 2017Publication date: January 7, 2021Inventors: Srinivasan MURALI, Francisco Javier RINCON VALLEJOS, Sébastien BAUMANN, Ester PÉREZ MARCOS
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Patent number: 10357164Abstract: A system for measuring blood pressure of a user that comprises an ElectroCardioGram (ECG) circuit with at least two ECG electrodes configured to obtain an electrical activity of a heart of the user by measuring the electrical signals detected at the at least two ECG electrodes as an electrocardiogram waveform, and a pulse oximeter circuit configured to obtain a pulse waveform corresponding to a blood flow on user's vessels. The system further comprises a processor that is in electrical contact with the electrocardiogram circuit and the pulse oximeter circuit. The processor is configured to simultaneously analyze the electrocardiogram waveform and the pulse waveform. The processor is further configured to identify a “Zero Voltage Crossing” point on the electrocardiogram waveform and to determine time delays from this point to respective different determined points of the pulse waveform; and to use the time delays to compute the blood pressure values.Type: GrantFiled: April 22, 2015Date of Patent: July 23, 2019Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Alair Dias Júnior, Srinivasan Murali, Francisco Javier Rincon Vallejos, David Atienza Alonso
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Publication number: 20180085069Abstract: A method for computing the heart rate value of an user, including detecting a time-dependent optical waveform including a pulse induced by the heartbeat with an optical pulse sensor attached to the user, detecting of a time-dependent accelerometer waveform by an inertial sensor arranged in proximity of the optical pulse sensor, computing of frequency components of the time-dependent optical waveform by a mathematical transform, computing of frequency components of the time-dependent accelerometer waveform by the mathematical transform, first removing of computed frequency components of the time-dependent accelerometer waveform that are below a pre-defined threshold, second removing the computed frequency components of the time-dependent optical waveform that are matching the computed frequency components, third removing the computed frequency components after the second removing that are below a pre-defined threshold, and choosing one of the computed frequency components from the third removing as the heart rType: ApplicationFiled: August 29, 2017Publication date: March 29, 2018Inventors: Srinivasan Murali, Francisco Javier Rincon Vallejos
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Patent number: 9760536Abstract: A method and device for reducing the computational complexity of a processing algorithm, of a discrete signal, in particular of the spectral estimation and analysis of bio-signals, with minimum or no quality loss, which comprises steps of (a) choosing a domain, such that transforming the signal to the chosen domain results to an approximately sparse representation, wherein at least part of the output data vector has zero or low magnitude elements; (b) converting the original signal in the domain chosen in step (a) through a mathematical transform consisting of arithmetic operations resulting in a vector of output data; (c) reformulating the processing algorithm of the original signal in the original domain into a modified algorithm consisting of equivalent arithmetic operations in the domain chosen in step (a) to yield the expected result with the expected quality quantified in terms of a suitable application metric; (d) combining the mathematical transform of step (b) and the equivalent mathematical operatioType: GrantFiled: August 15, 2013Date of Patent: September 12, 2017Assignee: Ecole Polytechnique Fédérale de Lausanne (EPFL)Inventors: Georgios Karakonstantis, Aviinaash Sankaranarayanan, Andreas Burg, Srinivasan Murali, David Atienza Alonso
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Publication number: 20170119792Abstract: Disclosed are compositions comprising topical corticosteroids, such as clobetasol propionate and halobetasol propionate, and a biopolymer in a cream base, wherein the cream base comprises a primary and a secondary emulsifier, a waxy material, a co-solvent, a preservative, an acid, a chelating agent, a buffering agent, and water. The biopolymer comprises chitosan. The compositions disclosed herein are suitable for the treatment of dermatological conditions including but not limited to healing wounds and treatment of dermatitis.Type: ApplicationFiled: December 2, 2016Publication date: May 4, 2017Inventors: Sulur Subramaniam Vanangamudi, Srinivasan Murali, Srinivasan Madhavan
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Publication number: 20170119791Abstract: Disclosed are compositions comprising betamethasone, such as betamethasone dipropionate or betamethasone valerate, and a biopolymer in a cream base, wherein the cream base comprises a primary and a secondary emulsifier, a waxy material, a co-solvent, a preservative, an acid, a chelating agent, a buffering agent, and water. The biopolymer comprises chitosan. The compositions disclosed herein are suitable for the treatment of dermatological conditions including but not limited to healing wounds and treatment of dermatitis.Type: ApplicationFiled: December 2, 2016Publication date: May 4, 2017Inventors: Sular Subramaniam Vanangamudi, Srinivasan Murali, Srinivasan Madhavan
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Publication number: 20170119788Abstract: Disclosed are compositions comprising topical corticosteroids, such as fluticasone and mometasone, and a biopolymer in a cream base, wherein the cream base comprises a primary and a secondary emulsifier, a waxy material, a co-solvent, a preservative, an acid, a chelating agent, a penetration enhancer, a buffering agent, and water. The biopolymer comprises chitosan. The compositions disclosed herein are suitable for the treatment of dermatological conditions including but not limited to healing wounds and treatment of dermatitis.Type: ApplicationFiled: December 2, 2016Publication date: May 4, 2017Inventors: Sular Subramaniam Vanangamudi, Srinivasan Murali, Srinivasan Madhavan
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Publication number: 20170080013Abstract: Disclosed are compositions comprising hydrocortisone acetate and a biopolymer, chitosan, in a cream base, wherein the cream base comprises a primary and a secondary emulsifier, a waxy material, a co-solvent, a preservative, an acid, a chelating agent, a buffering agent, and water. The compositions disclosed herein are suitable for the treatment of dermatological conditions including but not limited to healing wounds and treatment of dermatitis.Type: ApplicationFiled: December 2, 2016Publication date: March 23, 2017Inventors: Sular Subramaniam Vanangamudi, Srinivasan Murali, Srinivasan Madhavan
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Publication number: 20170042434Abstract: A system for measuring blood pressure of a user that comprises an ElectroCardioGram (ECG) circuit with at least two ECG electrodes configured to obtain an electrical activity of a heart of the user by measuring the electrical signals detected at the at least two ECG electrodes as an electrocardiogram waveform, and a pulse oximeter circuit configured to obtain a pulse waveform corresponding to a blood flow on user's vessels. The system further comprises a processor that is in electrical contact with the electrocardiogram circuit and the pulse oximeter circuit. The processor is configured to simultaneously analyze the electrocardiogram waveform and the pulse waveform.Type: ApplicationFiled: April 22, 2015Publication date: February 16, 2017Inventors: Alair Dias Júnior, Srinivasan Murali, Francisco Javier Rincon Vallejos, David Atienza Alonso
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Patent number: 9468386Abstract: A method for classification of ECG beats into normal and different categories of abnormal beats. The method comprises the following steps, performed on a computing platform: a. performing a training phase comprising taking as an input one or more ECG beats that are pre-classified into the different categories, with each ECG beat decomposed into multiple features and defining membership functions for each beat category for each feature; b.Type: GrantFiled: March 10, 2015Date of Patent: October 18, 2016Assignee: ECOLE POLYTECHNIQUE FÉDÉRALE DE LAUSANNE (EPFL)Inventors: Ruben Braojos Lopez, Giovanni Ansaloni, David Atienza Alonso, Francisco Rincon Vallejos, Srinivasan Murali
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Publication number: 20150257668Abstract: A method for classification of ECG beats into normal and different categories of abnormal beats. The method comprises the following steps, performed on a computing platform: a. performing a training phase comprising taking as an input one or more ECG beats that are pre-classified into the different categories, with each ECG beat decomposed into multiple features and defining membership functions for each beat category for each feature; b.Type: ApplicationFiled: March 10, 2015Publication date: September 17, 2015Applicant: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)Inventors: Ruben BRAOJOS LOPEZ, Giovanni ANSALONI, David ATIENZA ALONSO, Francisco RINCON VALLEJOS, Srinivasan MURALI
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Publication number: 20150220486Abstract: A method and device for reducing the computational complexity of a processing algorithm, of a discrete signal, in particular of the spectral estimation and analysis of bio-signals, with minimum or no quality loss, which comprises steps of (a) choosing a domain, such that transforming the signal to the chosen domain results to an approximately sparse representation, wherein at least part of the output data vector has zero or low magnitude elements; (b) converting the original signal in the domain chosen in step (a) through a mathematical transform consisting of arithmetic operations resulting in a vector of output data; (c) reformulating the processing algorithm of the original signal in the original domain into a modified algorithm consisting of equivalent arithmetic operations in the domain chosen in step (a) to yield the expected result with the expected quality quantified in terms of a suitable application metric; (d) combining the mathematical transform of step (b) and the equivalent mathematical operatioType: ApplicationFiled: August 15, 2013Publication date: August 6, 2015Inventors: Georgios Karakonstantis, Aviinaash Sankaranarayanan, Andreas Burg, Srinivasan Murali, David Atienza Alonso
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Patent number: 8042087Abstract: A method to design a Networks on Chips (NoCs)-based communication system for connecting on-chip components in a multicore system, said system comprising several elements communicating through the communication system, said communication system comprising at least switches, said method comprising the steps of modelling the applications running on the multicore system, establishing the number and configuration of switches to connect the elements, establishing physical connectivity between the elements and the switches, for each two pairs of communicating elements: (a) a defining a communication path, (b) calculating metrics as affected by the need to render said path into physical connectivity, taking into account any previously defined physical connectivity, (c) iterating the steps a and b for a plurality of possible paths, (d) choosing the path having the optimal metrics, and (e) establishing any missing physical connectivity between the switches so that the selected optimal path occurs across physically connType: GrantFiled: October 10, 2007Date of Patent: October 18, 2011Assignee: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Srinivasan Murali, Luca Benini, Giovanni De Micheli
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Publication number: 20090313592Abstract: A method to design a Networks on Chips (NoCs)-based communication system for connecting on-chip components in a multicore system, said system comprising several elements communicating through the communication system, said communication system comprising at least switches, said method comprising the steps of modelling the applications running on the multicore system, establishing the number and configuration of switches to connect the elements, establishing physical connectivity between the elements and the switches, for each two pairs of communicating elements: (a) a defining a communication path, (b) calculating metrics as affected by the need to render said path into physical connectivity, taking into account any previously defined physical connectivity, (c) iterating the steps a and b for a plurality of possible paths, (d) choosing the path having the optimal metrics, and (e) establishing any missing physical connectivity between the switches so that the selected optimal path occurs across physically connType: ApplicationFiled: October 10, 2007Publication date: December 17, 2009Applicant: Ecole Polytechnique Federale De Lausanne (EPFL)Inventors: Srinivasan Murali, Luca Benini, Giovanni De Micheli
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Publication number: 20090100148Abstract: An electronic device is provided which comprises at least one sender (S0-S3) for transmitting data and at least one receiver (R) for receiving data. Furthermore, a network-based interconnect (N) is provided for coupling the at least one sender and the at least one receiver such that a data traffic from the sender is forwarded to the receiver. In addition, at least one separate shared dedicated control interconnect (CI) is coupled between the at least one sender (S0-S3) and the at least one receiver (R) for communicating flow control data between the sender and the receiver.Type: ApplicationFiled: April 17, 2007Publication date: April 16, 2009Applicant: Koninklijke Philips Electronics N.V.Inventors: Srinivasan Murali, Martijn Franciscus Agnes Coenen, Andrei Radulescu, Kees Gerard Willem Goossens