Patents by Inventor Sriram Subramanian

Sriram Subramanian 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).

  • Publication number: 20220184551
    Abstract: A system for exhaust gas remediation includes an engine, a plasma reactor, and a pulse source. The engine emits exhaust gas that includes NO molecules and NOx molecules. The plasma reactor includes an internal chamber that is fluidly connected to the engine such that the exhaust gas flows into the internal chamber. An electrode is disposed within the internal chamber of the plasma reactor. The electrode is electrically coupled to an electrical pulse source. The electrical pulse source delivers electrical pulse to the electrode to form a plasma from the exhaust gas, which removes at least a portion of the NO molecules and at least a portion of the NOx molecules.
    Type: Application
    Filed: March 11, 2020
    Publication date: June 16, 2022
    Applicants: UNIVERSITY OF SOUTHERN CALIFORNIA, TAI CHONG CHEANG STEAMSHIP CO. (H.K.) LIMITED
    Inventors: Stephen B. CRONIN, Sriram SUBRAMANIAN, Tom HUISKAMP, Alec NYSTROM, William SCHROEDER
  • Publication number: 20220180853
    Abstract: Disclosed herein are systems using acoustic metamaterial surfaces comprising arrangements of unit cells arranged to introduce time delays to an incident acoustic wave. In embodiments the relative positions of two or more acoustic metasurfaces (81, 82) is selected or adjusted to control the acoustic output of the system such that the acoustic output of the system is a non-linear combination of the respective operations performed by the plurality of acoustic metasurfaces (81, 82), the non-linear combination being a convolution of the respective operations performed by the plurality of acoustic metasurfaces that is determined as a function of the relative positioning between the acoustic metasurfaces (81, 82). Also disclosed are applications of such acoustic metasurfaces in noise-reducing structures.
    Type: Application
    Filed: April 14, 2020
    Publication date: June 9, 2022
    Inventors: Gianluca Memoli, Mihai Caleap, Bruce Drinkwater, Sriram Subramanian
  • Patent number: 11356852
    Abstract: Methods and devices for a user equipment (UE) device to utilize an electronic subscriber identity module (eSIM) to provide backup cellular connectivity for essential services and security enhancements. A UE device receives user input to alter an operational state of the UE. The user input may include removing a physical subscriber identity module (SIM) card installed in the UE or attempting to power off the UE. In response to receiving the user input, an authorization process is initiated. In response to determining that the authorization process has failed, a security enhancement is implemented for the UE.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: June 7, 2022
    Assignee: Apple Inc.
    Inventors: Gahima S. Mbonye, Eduardo de Almeida Abrantes, Krishna Myneni, Lakshmi N. Kavuri, Murtaza A. Shikari, Raj S. Chaugule, Sanjeevi Balasubramanian, Shiva Krishna Narra, Srinivasan Nimmala, Sriram Subramanian, Vikram B. Yerrabommanahalli
  • Publication number: 20220152553
    Abstract: This invention relates to methods and systems for reducing the concentration of SOx and/or NOx in gas streams.
    Type: Application
    Filed: March 11, 2020
    Publication date: May 19, 2022
    Applicants: University of Southern California, Tai Chong Cheang Steamship Co. (H.K.) Limited
    Inventors: Stephen B. CRONIN, Alec NYSTROM, Sriram SUBRAMANIAN, Vyaas GURURAJAN, Haotian SHI, Martin A. GUNDERSEN, William SCHROEDER, Sisi YANG, Christi SCHROEDER, Fokion EGOLFOPOULOS, Tom HUISKAMP
  • Publication number: 20220113806
    Abstract: The present invention concerns a method and apparatus for the modulation of an acoustic field for providing tactile sensations. A method of creating haptic feedback using ultrasound is provided. The method comprises the steps of generating a plurality of ultrasound waves with a common focal point using a phased array of ultrasound transducers, the common focal point being a haptic feedback point, and modulating the generation of the ultrasound waves using a waveform selected to produce little or no audible sound at the haptic feedback point.
    Type: Application
    Filed: December 20, 2021
    Publication date: April 14, 2022
    Inventors: Benjamin John Oliver Long, Thomas Andrew Carter, Sriram Subramanian
  • Publication number: 20220086282
    Abstract: This Application describes mechanisms to provide priority levels for call connection requests and/or messages from a sending device to a receiving device. The receiving device is configured to allow prioritized notification alerts for incoming call connection requests and/or for incoming messages from a sending device to override a silent or do not disturb mode for one or more contacts based on i) a priority level provided with the call connection request or message and ii) a priority setting for the sending device or a set of devices associated with a user of the sending device.
    Type: Application
    Filed: September 14, 2021
    Publication date: March 17, 2022
    Inventors: Harsha SHIRAHATTI, Sanjeevi BALASUBRAMANIAN, Sriram SUBRAMANIAN, Nischay GOEL, Shiva Krishna NARRA, Vijay VENKATARAMAN, Stephen C. SCHWEIZER, Krisztian KISS
  • Patent number: 11276281
    Abstract: A system providing various improved processing techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Transducers are then controlled to create an acoustic field exhibiting the desired amplitude at each of the control points. When human skin interacts with the acoustic field, vibrations of the skin are interpreted by mechanoreceptors being excited and sending signals to the brain via the nervous system. Improved processing techniques allow for more efficient real-world operation.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: March 15, 2022
    Assignee: ULTRAHAPTICS IP LTD
    Inventors: Thomas Andrew Carter, Benjamin John Oliver Long, Sriram Subramanian
  • Patent number: 11228838
    Abstract: A device for manipulating an incident acoustic wave to generate an acoustic output is described wherein the device comprises a plurality of unit cells arranged into an array, at least some of said unit cells being configured to introduce time delays to an incident acoustic wave at the respective positions of the unit cells within the array of unit cells, such that said plurality of unit cells define an array of time delays to thereby define a spatial delay distribution for manipulating an incident acoustic wave to generate an acoustic output. The array of time delays may be re-configured to vary the spatial delay distribution of the device in order to generate different acoustic outputs. Also described are methods for designing or configuring such devices.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: January 18, 2022
    Assignee: The University of Sussex
    Inventors: Sriram Subramanian, Gianluca Memoli, Bruce Drinkwater, Mihai Caleap, Deepak Ranjan Sahoo
  • Publication number: 20220007443
    Abstract: Apparatuses, systems, and methods for a wireless device to perform negotiation of bearer type configuration and/or related parameters. A user equipment device (UE) and/or network may determine a bearer configuration and/or other parameters based on information or measurements of the UE. The UE and the BS may exchange data using a negotiated configuration.
    Type: Application
    Filed: August 15, 2019
    Publication date: January 6, 2022
    Inventors: Fangli XU, Wen ZHAO, Sachin J. SANE, Sagar B. SHAH, Muthukumaran DHANAPAL, Sriram SUBRAMANIAN, Madhukar K. SHANBHAG, Vishwanth Kamala GOVINDARAJU, Sandeep K. SUNKESALA, Tarakkumar G. DHANANI, Sree Ram KODALI, Vijay GADDE, Shiva Krishna NARRA, Sharad GARG, Sanjeevi BALASUBRAMANIAN, Dawei ZHANG, Haijing HU, Rajesh AMBATI
  • Publication number: 20220004395
    Abstract: A system tor securely and reliably transferring startup script files over a network may include a unified extensible firmware interface (UEFI) network stack on a client server wherein the client server requests startup script over the network upon startup of the client server using a secure transfer network protocol and receives over the network the startup script. A computing device may comprise a unified extensible firmware interface (UEFI) shell to request a download of startup script, over a network, upon startup of the client server wherein the startup script is staged in a provisioned storage device within the client server to be mounted as local file systems in the client server. The UEFI shell.
    Type: Application
    Filed: September 22, 2021
    Publication date: January 6, 2022
    Inventors: Samer EL-HAJ-MAHMOUD, Sriram SUBRAMANIAN, Kevin DEPEW
  • Publication number: 20210400748
    Abstract: A user equipment (UE) is configured to establish network connections for long-term evolution (LTE) and new radio (NR) radio access technologies (RATS) in non-standalone (NSA) E-UTRA-NR dual connectivity (ENDC) operation. The UE includes a multi-antenna array for data and signaling transmissions and receptions over the LTE and NR connections. The UE determines a most efficient antenna of the multi-antenna array for an operating frequency band of the LTE and NR connections, wherein the most efficient antenna is determined based on at least one performance factor for the UE when using the antenna compared to other antennas of the multi-antenna array, evaluates one or more factors for determining whether the LTE RAT or the NR RAT is to use the most efficient antenna and transmits uplink data on the most efficient antenna via either the LTE RAT or the NR RAT based on the evaluated factors.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 23, 2021
    Inventors: Sriram SUBRAMANIAN, Alosious Pradeep PRABHAKAR, Madhukar K. SHANBHAG, Pengkai ZHAO, Sanjeevi BALASUBRAMANIAN, Shiva Krishna NARRA, Vijay VENKATARAMAN, Vishwanth Kamala GOVINDARAJU, Wenping LOU
  • Patent number: 11204644
    Abstract: The present invention concerns a method and apparatus for the modulation of an acoustic field for providing tactile sensations. A method of creating haptic feedback using ultrasound is provided. The method comprises the steps of generating a plurality of ultrasound waves with a common focal point using a phased array of ultrasound transducers, the common focal point being a haptic feedback point, and modulating the generation of the ultrasound waves using a waveform selected to produce little or no audible sound at the haptic feedback point.
    Type: Grant
    Filed: October 13, 2019
    Date of Patent: December 21, 2021
    Assignee: ULTRAHAPTICS IP LTD
    Inventors: Benjamin John Oliver Long, Thomas Andrew Carter, Sriram Subramanian
  • Publication number: 20210352536
    Abstract: Disclosed are systems, methods, integrated circuits and computer readable storage media for configuring time sensitive communications (TSC). The configuring of the TSC includes monitoring, by a user plane function (UPF), a source and destination of packets in a first protocol data unit (PDU) session of a first user equipment (UE) and in a second PDU session of a second UE, pairing a first device side TSN translator (DS-TT) port of the first UE with a second DS-TT port of the second UE when the first PDU session and the second PDU session are served by the same UPF, wherein the pairing is based on the monitoring of the first and second PDU sessions and when the first DS-TT and second DS-TT ports are paired, communicating the packets between the first UE and the second UE in a UE-UE communication without traversing the TSN.
    Type: Application
    Filed: May 5, 2021
    Publication date: November 11, 2021
    Inventors: Alosious Pradeep PRABHAKAR, Han PU, Krisztian KISS, Mohammed SADIQUE, Rohit R. MATOLIA, Srinivasan NIMMALA, Sriram SUBRAMANIAN, Vijay VENKATARAMAN, Wei ZHANG
  • Patent number: 11157288
    Abstract: A system for securely and reliably transferring startup script files over a network may include a unified extensible firmware interface (UEFI) network stack on a client server wherein the client server requests startup script over the network upon startup of the client server using a secure transfer network protocol and receives over the network the startup script. A computing device may comprise a unified extensible firmware interface (UEFI) shell to request a download of startup script, over a network, upon startup of the client server wherein the startup script is staged in a provisioned storage device within the client server to be mounted as local file systems in the client server. The UEFI shell.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: October 26, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Samer El-Haj-Mahmoud, Sriram Subramanian, Kevin G Depew
  • Patent number: 11131992
    Abstract: A RLP system for a host vehicle includes a memory and levels. The memory stores a RLP algorithm, which is a multi-agent collaborative DQN with PER algorithm. A first level includes a data processing module that provides sensor data, object location data, and state information of the host vehicle and other vehicles. A second level includes a coordinate location module that, based on the sensor data, the object location data, the state information, and a refined policy provided by the third level, generates an updated policy and a set of future coordinate locations implemented via the first level. A third level includes evaluation and target neural networks and a processor that executes instructions of the RLP algorithm for collaborative action planning between the host and other vehicles based on outputs of the evaluation and target networks and to generate the refined policy based on reward values associated with events.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 28, 2021
    Assignees: DENSO International America, Inc.
    Inventors: Zhiyuan Du, Joseph Lull, Rajesh Malhan, Sriram Subramanian, Sushrut Bhalla, Jaspreet Sambee, Mark Crowley, Sebastian Fischmeister, Donghyun Shin, William Melek, Baris Fidan, Ami Woo, Bismaya Sahoo
  • Publication number: 20210297885
    Abstract: A user equipment (UE) may skip certain measurements when it is unlikely that the UE will use the measurements. The UE determines that the UE is configured with one of a measurement gap or gapless measurements, identifies that a predetermined condition has been satisfied and implements a mitigation technique in response to identifying that the predetermined condition has been satisfied, wherein the mitigation technique includes omitting performing one of a measurement during the measurement gap or a gapless measurement, wherein the measurement or the gapless measurement corresponds to a first radio access technology (RAT) that is different than a second RAT on which the UE is currently camped.
    Type: Application
    Filed: March 19, 2021
    Publication date: September 23, 2021
    Inventors: Tarakkumar G. DHANANI, Alosious Pradeep PRABHAKAR, Madhukar K. SHANBHAG, Sandeep K. SUNKESALA, Sanjeevi BALASUBRAMANIAN, Sharad GARG, Shiva Krishna NARRA, Sree Ram KODALI, Sriram SUBRAMANIAN, Vijay GADDE, Vijay VENKATARAMAN, Vishwanth Kamala GOVINDARAJU, Wei ZHANG
  • Publication number: 20210289583
    Abstract: This disclosure relates to techniques for a wireless device to perform millimeter wavelength communication with increased reliability and power efficiency using sensor inputs. The sensor inputs may include motion, rotation, or temperature measurements, among various possibilities. The sensor inputs may be used when performing beamforming tracking, antenna configuration, transmit and receive chain measurements and selection, and/or in any of various other possible operations.
    Type: Application
    Filed: March 8, 2021
    Publication date: September 16, 2021
    Inventors: Wei Zhang, Pengkai Zhao, Shiva Krishna Narra, Sriram Subramanian, Madhukar K. Shanbhag, Sanjeevi Balasubramanian, Junsung Lim, Jia Tang, Galib A. Mohiuddin, Yu-Lin Wang, Zhu Ji, Johnson O. Sebeni
  • Publication number: 20210264055
    Abstract: A technique includes, in a pre-operating system environment of a computer system, a hardware processor of the computer system executing machine executable instructions to determine whether a sanitization option was selected in a prior operating system environment of the computer system. In response to determining that the sanitization option was selected, the hardware processor executes the instructions in the pre-operating system environment to determine, for an adapter of the computer system, a storage inventory associated with the adapter and sanitize the storage inventory.
    Type: Application
    Filed: February 25, 2020
    Publication date: August 26, 2021
    Inventors: Sriram Subramanian, Scotty M. Wiginton
  • Publication number: 20210211972
    Abstract: A user equipment (UE) supports communication over a first (lower) frequency range and a second (higher) frequency range. The UE determines an extent of preference of the second frequency range over the first frequency range, e.g., based on one or more of the following: sensor measurements; physical channel measurements; battery conditions; weather conditions; voice call activity; indoor/outdoor/in-car status; learned relationships between previous location-time conditions and performance on the second frequency range; etc. The UE device may control search activity and/or measurement activity on the second frequency range based on the preference extent, e.g., by controlling rates of repetition of search and/or measurement on the second frequency range, or by adding a measurement bias to a measurement reporting threshold, or by adding a delay to a measurement reporting time for a measurement, or by disabling search and measurement on the second frequency range.
    Type: Application
    Filed: October 29, 2020
    Publication date: July 8, 2021
    Inventors: Wei Zhang, Alosious Pradeep Prabhakar, Pengkai Zhao, Vijay Venkataraman, Junsung Lim, Zhu Ji, Johnson O. Sebeni, Yu-Lin Wang, Galib A. Mohiuddin, Sriram Subramanian, Shiva Krishna Narra, Madhukar K. Shanbhag, Sanjeevi Balasubramanian, Daniel A. West, Rohit R. Matolia
  • Publication number: 20210195332
    Abstract: A device for manipulating an incident acoustic wave to generate an acoustic output is described wherein the device comprises a plurality of unit cells arranged into an array, at least some of said unit cells being configured to introduce time delays to an incident acoustic wave at the respective positions of the unit cells within the array of unit cells, such that said plurality of unit cells define an array of time delays to thereby define a spatial delay distribution for manipulating an incident acoustic wave to generate an acoustic output. The array of time delays may be re-configured to vary the spatial delay distribution of the device in order to generate different acoustic outputs. Also described are methods for designing or configuring such devices.
    Type: Application
    Filed: December 18, 2020
    Publication date: June 24, 2021
    Inventors: Sriram Subramanian, Gianluca Memoli, Bruce Drinkwater, Mihai Caleap, Deepak Ranjan Sahoo