Patents by Inventor Sushrut Karnik
Sushrut Karnik 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: 20230298409Abstract: A method includes receiving, from a mobile device disposed within a vehicle, a set of sensor measurements collected from an accelerometer of the mobile device during a first time period and converting the set of sensor measurements into a frequency domain. The method also includes filtering the set of sensor measurements to eliminate high frequency sensor measurements and defining a set of contiguous windows based on a remaining sensor measurements in the set of sensor measurements. Each contiguous window of the set of contiguous windows represents a contiguous portion of the remaining sensor measurements. The method further includes generating, for each contiguous window of the set of contiguous windows, a set of features by resampling the remaining sensor measurements of the contiguous window at one or more predefined frequencies and generating an estimated speed of the vehicle during the first time period using the set of features.Type: ApplicationFiled: May 23, 2023Publication date: September 21, 2023Applicant: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Sushrut Karnik, Burak Erem, Yuting Qi, Sanujit Sahoo, Harrison Kitchen
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Patent number: 11699306Abstract: Apparatuses and methods for predicting a crash using estimated vehicle speed. A set of sensor measurements are received from a mobile device disposed within a vehicle. A set of contiguous windows based on the sensor measurements may be defined. Each contiguous window represents a contiguous portion of the sensor measurements. A set of sensor measurements may be defined for each contiguous window. A trained neural network may execute, using the set of features, to generate one or more speed predictions. A vehicle crash prediction may be generated using the speed prediction. The vehicle crash prediction may then be transmitted to a remote device.Type: GrantFiled: August 14, 2020Date of Patent: July 11, 2023Assignee: Cambridge Mobile Telematics, Inc.Inventors: Sushrut Karnik, Burak Erem, Yuting Qi, Sanujit Sahoo, Harrison Kitchen
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Publication number: 20230143632Abstract: A method for determining a transportation mode acquires magnetometer and speed data from a mobile device, correlates the magnetometer to the speed data in groupings, and performs spectral analysis on the groups of magnetometer data. Energy calculated for each of a set of frequency components obtained from the spectral analysis is compared to a baseline value to generate a difference, and a transportation mode type is assigned to the vehicle based on the difference.Type: ApplicationFiled: November 15, 2022Publication date: May 11, 2023Applicant: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Brad Cordova, Sushrut Karnik
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Patent number: 11546733Abstract: A method for determining a transportation mode acquires magnetometer and speed data from a mobile device, correlates the magnetometer to the speed data in groupings, and performs spectral analysis on the groups of magnetometer data. Energy calculated for each of a set of frequency components obtained from the spectral analysis is compared to a baseline value to generate a difference, and a transportation mode type is assigned to the vehicle based on the difference.Type: GrantFiled: April 1, 2021Date of Patent: January 3, 2023Assignee: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Brad Cordova, Sushrut Karnik
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Publication number: 20220294893Abstract: A method for detecting airbag deployment includes operating a plurality of sensors of the mobile device disposed in a vehicle during a drive to obtain a plurality of measurement signals, determining a change in at least one measurement signal of the plurality of measurement signals and that the change exceeds a first threshold. In response to determining that the change exceeds the first threshold, obtaining a pressure measurement signal from a pressure sensor of the plurality of sensors, determining a derivative of the pressure measurement signal, and determining that the derivative of the pressure measurement signal exceeds a second threshold. In response to determining that the derivative of the pressure measurement signal exceeds the second threshold, detecting a deployment of a vehicle airbag based on the change in the at least one measurement signal exceeding the first threshold and the derivative of the pressure measurement signal exceeding the second threshold.Type: ApplicationFiled: February 28, 2022Publication date: September 15, 2022Applicant: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Brad Cordova, Eddie Vaisman, Yuting Qi, Sushrut Karnik
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Patent number: 11297177Abstract: A method for detecting airbag deployment includes operating a plurality of sensors of the mobile device disposed in a vehicle during a drive to obtain a plurality of measurement signals, determining a change in at least one measurement signal of the plurality of measurement signals and that the change exceeds a first threshold. In response to determining that the change exceeds the first threshold, obtaining a pressure measurement signal from a pressure sensor of the plurality of sensors, determining a derivative of the pressure measurement signal, and determining that the derivative of the pressure measurement signal exceeds a second threshold. In response to determining that the derivative of the pressure measurement signal exceeds the second threshold, detecting a deployment of a vehicle airbag based on the change in the at least one measurement signal exceeding the first threshold and the derivative of the pressure measurement signal exceeding the second threshold.Type: GrantFiled: May 7, 2019Date of Patent: April 5, 2022Assignee: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Brad Cordova, Eddie Vaisman, Yuting Qi, Sushrut Karnik
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Publication number: 20220046387Abstract: A method of providing a quaternion for reference frame transformation includes (a) initiating a driving event in a vehicle having a vehicle reference frame and (b) receiving, from a mobile device, mobile device data associated with a time stamp. The method also includes (c) computing a quaternion operable to transform the mobile device data to the vehicle reference frame and (d) determining if the driving event is complete. The method further includes incrementing the time stamp and iterating steps (a), (b), (c), and (d) if the driving event is not complete and providing the quaternion for reference frame transformation if the driving event is complete.Type: ApplicationFiled: August 19, 2021Publication date: February 10, 2022Applicant: Cambridge Mobile Telematics Inc.Inventors: Brad Cordova, Sanujit Sahoo, Sushrut Karnik
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Publication number: 20210352439Abstract: A method for determining a transportation mode acquires magnetometer and speed data from a mobile device, correlates the magnetometer to the speed data in groupings, and performs spectral analysis on the groups of magnetometer data. Energy calculated for each of a set of frequency components obtained from the spectral analysis is compared to a baseline value to generate a difference, and a transportation mode type is assigned to the vehicle based on the difference.Type: ApplicationFiled: April 1, 2021Publication date: November 11, 2021Applicant: TRUEMOTION, INC.Inventors: Brad Cordova, Sushrut Karnik
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Patent number: 11134360Abstract: A method of orienting a mobile device to a vehicle includes determining an orientation of a gravity vector and aligning a first axis of the mobile device with respect to the gravity vector. The method also includes determining an orientation of a magnetic direction and aligning a second axis of the mobile device with respect to the magnetic direction. The method further includes determining a direction of travel for the vehicle and orienting the mobile device to the vehicle.Type: GrantFiled: April 12, 2017Date of Patent: September 28, 2021Assignee: CAMBRIDGE MOBILE TELEMATICS INC.Inventors: Brad Cordova, Sanujit Sahoo, Sushrut Karnik
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Patent number: 10993080Abstract: A method for determining a transportation mode acquires magnetometer and speed data from a mobile device, correlates the magnetometer to the speed data in groupings, and performs spectral analysis on the groups of magnetometer data. Energy calculated for each of a set of frequency components obtained from the spectral analysis is compared to a baseline value to generate a difference, and a transportation mode type is assigned to the vehicle based on the difference.Type: GrantFiled: August 16, 2019Date of Patent: April 27, 2021Assignee: TRUEMOTION, INC.Inventors: Brad Cordova, Sushrut Karnik
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Publication number: 20210049837Abstract: Apparatuses and methods for predicting a crash using estimated vehicle speed. A set of sensor measurements are received from a mobile device disposed within a vehicle. A set of contiguous windows based on the sensor measurements may be defined. Each contiguous window represents a contiguous portion of the sensor measurements. A set of sensor measurements may be defined for each contiguous window. A trained neural network may execute, using the set of features, to generate one or more speed predictions. A vehicle crash prediction may be generated using the speed prediction. The vehicle crash prediction may then be transmitted to a remote device.Type: ApplicationFiled: August 14, 2020Publication date: February 18, 2021Applicant: TRUEMOTION, INC.Inventors: Sushrut Karnik, Burak Erem, Yuting Qi, Sanujit Sahoo, Harrison Kitchen
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Publication number: 20200068353Abstract: A method for determining a transportation mode acquires magnetometer and speed data from a mobile device, correlates the magnetometer to the speed data in groupings, and performs spectral analysis on the groups of magnetometer data. Energy calculated for each of a set of frequency components obtained from the spectral analysis is compared to a baseline value to generate a difference, and a transportation mode type is assigned to the vehicle based on the difference.Type: ApplicationFiled: August 16, 2019Publication date: February 27, 2020Applicant: TRUEMOTION, INC.Inventors: Brad Cordova, Sushrut Karnik
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Publication number: 20190349462Abstract: A method for detecting airbag deployment includes operating a plurality of sensors of the mobile device disposed in a vehicle during a drive to obtain a plurality of measurement signals, determining a change in at least one measurement signal of the plurality of measurement signals and that the change exceeds a first threshold. In response to determining that the change exceeds the first threshold, obtaining a pressure measurement signal from a pressure sensor of the plurality of sensors, determining a derivative of the pressure measurement signal, and determining that the derivative of the pressure measurement signal exceeds a second threshold. In response to determining that the derivative of the pressure measurement signal exceeds the second threshold, detecting a deployment of a vehicle airbag based on the change in the at least one measurement signal exceeding the first threshold and the derivative of the pressure measurement signal exceeding the second threshold.Type: ApplicationFiled: May 7, 2019Publication date: November 14, 2019Applicant: TRUEMOTION, INC.Inventors: Brad Cordova, Eddie Vaisman, Yuting Qi, Sushrut Karnik
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Publication number: 20170303095Abstract: A method of orienting a mobile device to a vehicle includes determining an orientation of a gravity vector and aligning a first axis of the mobile device with respect to the gravity vector. The method also includes determining an orientation of a magnetic direction and aligning a second axis of the mobile device with respect to the magnetic direction. The method further includes determining a direction of travel for the vehicle and orienting the mobile device to the vehicle.Type: ApplicationFiled: April 12, 2017Publication date: October 19, 2017Applicant: TRUEMOTION, INC.Inventors: Brad Cordova, Sanujit Sahoo, Sushrut Karnik