Patents by Inventor Suresh K. Ramasamy

Suresh K. Ramasamy 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).

  • Patent number: 11349193
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna includes a base metal chassis containing components of the information handling system, the base housing metal chassis including a C-cover and D-cover housing the components; a display chassis including an A-cover operatively coupled to the base metal chassis via a hinge; a vent cavity at an edge of the D-cover; a metal exhaust grill formed within the base metal chassis; an antenna element co-located within the vent cavity; and a ground current path forming an electric field trap via the metal exhaust grill to the D-cover of the base metal chassis in the thermal exhaust vent cavity to limit currents from resonating metal structures external to the vent cavity of the information handling system; and an antenna aperture to direct resonance with the antenna element out of the vent cavity.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: May 31, 2022
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati
  • Patent number: 11303008
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a processor, a memory, and a wireless adapater; a metal C-cover of the base chassis to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover, the speaker grill including a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill as a peninsula in the C-cover; a millimeter wave antenna element coupled to a back side of the speaker grill; and a sub-6 GHz antenna element to transmit via the slot formed around the perimeter of the speaker grill; wherein the speaker grill has a mesh pattern of grill openings sized to be transparent to millimeter wave frequencies emitted by the millimeter wave antenna element.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: April 12, 2022
    Assignee: Dell Products, LP
    Inventors: Changsoo Kim, Suresh K. Ramasamy, Timothy C. Shaw, Geroncio O. Tan
  • Patent number: 11276925
    Abstract: An information handling system comprising a processor, a memory, and a wireless adapter with a first and second antenna feed operatively connected to the wireless adapter for communicating on a plurality of wireless links and disposed on a circuit board having a trench through one or more metallic layers with a perimeter edge dimension extending from an outer edge of the circuit board into the circuit board where the first antenna feed mounted adjacent to a first side of the trench of the circuit board and operatively connected to a first antenna and the second antenna feed mounted adjacent to a second side of the trench of the circuit board opposite to the first side and the second antenna feed operatively connected to a second antenna.
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: March 15, 2022
    Assignee: Dell Products, LP
    Inventor: Suresh K. Ramasamy
  • Patent number: 11265052
    Abstract: An information handling system includes a processor, a memory, and a wireless interface adapter for transceiving wireless communications via radiofrequency (RF) waves, a plurality of antennas operatively coupled to the wireless interface adapter, including a first antenna operatively coupled to a first wireless protocol subsystem, a second antenna operatively coupled to a second wireless protocol subsystem, and a shared antenna, an RF switch configured to operatively switch the shared antenna between the first wireless protocol subsystem and the second wireless protocol subsystem, and an antenna controller operatively coupled to the RF switch to receive status information of the status of the first wireless protocol subsystem to determine assignment of the shared antenna, and to switch the RF switch to operatively couple the shared antenna to the first wireless protocol subsystem when it is determined to be active.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: March 1, 2022
    Assignee: Dell Products, LP
    Inventors: Lars Fredrik Proejts, Suresh K. Ramasamy
  • Patent number: 11239551
    Abstract: An information handling system to wirelessly transmit and receive data may include a processor; a memory; an input/output (I/O) device; a wireless adapter; a metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF), including: a slot formed around an operative antenna portion of the speaker grill forming a peninsula of the speaker grill in the C-cover; an antenna cavity formed on a back side of the peninsula, the antenna cavity including walls formed around the cavity in the back side of the peninsula; and a tuning module operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: February 1, 2022
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Patent number: 11233311
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a processor; a memory; a wireless adapter; a base metal chassis containing components of the information handling system, the base metal chassis including a C-cover and D-cover housing the components; a display metal chassis containing components of the information handling system, the display metal chassis including an A-cover and a B-cover housing the components; a hinge cavity formed at a hinge used to couple the base metal chassis and display metal chassis; a first antenna element formed within the C-cover near the hinge; a second antenna element formed within the C-cover near the hinge; and an edge resonant isolator formed into the A-cover to disrupt an electrical ground coupling path formed between the base metal chassis and display metal chassis at the hinge cavity, wherein the edge resonant isolator includes a plurality of slits formed into the A-cover.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: January 25, 2022
    Assignee: Dell Products, LP
    Inventors: Changsoo Kim, Suresh K. Ramasamy, Timothy C. Shaw, Geroncio O. Tan
  • Patent number: 11211686
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a base housing chassis containing components of the information handling system including a processor and memory and including a C-cover and a metal D-cover; a display chassis assembly having a display screen and including an A-cover; a hinge mechanically coupling the display chassis assembly to the base housing chassis; a hinge gap integrated along a hinge between an edge of the A-cover and an edge of the metal D-cover; an antenna to emit a radio frequency signal to a contained hinge gap resonant cavity formed within the hinge gap; and a flexible printed circuit (FPC) having a ground line operatively coupling the base housing chassis to the display chassis assembly to form a ground path across the hinge gap to shunt excitation currents along the hinge gap and to determine a size of the contained hinge gap resonant cavity between the A-cover and D-cover to accommodate an operating frequency of the radio frequency
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: December 28, 2021
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati, Changsoo Kim
  • Publication number: 20210392800
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and metal D-cover to house a processor, a memory, and a wireless adapter, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF) including a slot formed around a portion of the speaker grill forming a peninsula on the speaker grill that is physically separated from the C-cover; an antenna element placed behind the speaker grill and operatively coupled to the wireless adapter; an electromagnetic interference (EMI) shield forming a cavity enclosing the speaker and the antenna element, including a plurality of metallic shielding walls extending from the C-cover to a D-cover of the information handling system; and a conductive rubber gasket placed between the plurality of conductive walls and the D-cover to shield the cavity from EMI sources.
    Type: Application
    Filed: August 30, 2021
    Publication date: December 16, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Patent number: 11116117
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and metal D-cover to house a processor, a memory, and a wireless adapter, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF) including a slot formed around a portion of the speaker grill forming a peninsula on the speaker grill that is physically separated from the C-cover; an antenna element placed behind the speaker grill and operatively coupled to the wireless adapter; an electromagnetic interference (EMI) shield forming a cavity enclosing the speaker and the antenna element, including a plurality of metallic shielding walls extending from the C-cover to a D-cover of the information handling system; and a conductive rubber gasket placed between the plurality of conductive walls and the D-cover to shield the cavity from EMI sources.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: September 7, 2021
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Patent number: 11102719
    Abstract: A wireless adapter front end for an information handling system comprising a wireless adapter for communicating on a plurality of antennas for connection to a plurality of concurrently operating wireless links, wherein at least one of the plurality of antennas is configurable to have a plurality of antenna radiation patterns and is operating in a first antenna radiation pattern, a controller operating independently from an operating system of the information handling system and executing instructions of a dynamic tuning and power reduction control system to receive a trigger input indicating an operating condition of the plurality of antennas, wherein the trigger input may be selected from one or more indications of a radiation pattern of one or more of the antennas, a shared communication frequency band, a carrier aggregation operation, SAR proximity detection, or operation of a plurality of radio access technologies and to identify an optimal tuning and power reduction configuration associated with the trig
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: August 24, 2021
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Geroncio O. Tan, Ricardo R. Velasco
  • Publication number: 20210242564
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and a D-cover, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; a speaker grill platform antenna formed within the C-cover from a portion of the speaker grill to emit a target radio frequency (RF), including: a slot formed around the portion of the speaker grill to form a peninsula on the speaker grill that is physically separated from the C-cover; a cavity formed behind the peninsula between the C-cover and the D-cover, the cavity including walls formed around the back side of the peninsula to electrically isolate the cavity; a printed circuit board assembly (PCBA) including: an antenna front end circuit operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill platform antenna; and a contact pin directly coupling an excitati
    Type: Application
    Filed: December 4, 2020
    Publication date: August 5, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Publication number: 20210243925
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a metal C-cover and metal D-cover to house a processor, a memory, and a wireless adapter, the metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF) including a slot formed around a portion of the speaker grill forming a peninsula on the speaker grill that is physically separated from the C-cover; an antenna element placed behind the speaker grill and operatively coupled to the wireless adapter; an electromagnetic interference (EMI) shield forming a cavity enclosing the speaker and the antenna element, including a plurality of metallic shielding walls extending from the C-cover to a D-cover of the information handling system; and a conductive rubber gasket placed between the plurality of conductive walls and the D-cover to shield the cavity from EMI sources.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 5, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Publication number: 20210242566
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a processor; a memory; a wireless adapter; a base metal chassis containing components of the information handling system, the base metal chassis including a C-cover and D-cover housing the components; a display metal chassis containing components of the information handling system, the display metal chassis including an A-cover and a B-cover housing the components; a hinge cavity formed at a hinge used to couple the base metal chassis and display metal chassis; a first antenna element formed within the C-cover near the hinge; a second antenna element formed within the C-cover near the hinge; and an edge resonant isolator formed into the A-cover to disrupt an electrical ground coupling path formed between the base metal chassis and display metal chassis at the hinge cavity, wherein the edge resonant isolator includes a plurality of slits formed into the A-cover.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 5, 2021
    Applicant: Dell Products, LP
    Inventors: Changsoo Kim, Suresh K. Ramasamy, Timothy C. Shaw, Geroncio O. Tan
  • Publication number: 20210242565
    Abstract: An information handling system to wirelessly transmit and receive data may include a base chassis including a processor, a memory, and a wireless adapater; a metal C-cover of the base chassis to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover, the speaker grill including a slot formed around a portion of a perimeter of the speaker grill that physically separates the portion of the speaker grill as a peninsula in the C-cover; a millimeter wave antenna element coupled to a back side of the speaker grill; and a sub-6 GHz antenna element to transmit via the slot formed around the perimeter of the speaker grill; wherein the speaker grill has a mesh pattern of grill openings sized to be transparent to millimeter wave frequencies emitted by the millimeter wave antenna element.
    Type: Application
    Filed: January 31, 2020
    Publication date: August 5, 2021
    Applicant: Dell Products, LP
    Inventors: Changsoo Kim, Suresh K. Ramasamy, Timothy C. Shaw, Geroncio O. Tan
  • Publication number: 20210218135
    Abstract: An information handling system to wirelessly transmit and receive data may include a processor; a memory; an input/output (I/O) device; a wireless adapter; a metal C-cover to house a speaker grill, the speaker grill covering a speaker to emit audio waves; the speaker grill formed within the C-cover to emit a target radio frequency (RF), including: a slot formed around an operative antenna portion of the speaker grill forming a peninsula of the speaker grill in the C-cover; an antenna cavity formed on a back side of the peninsula, the antenna cavity including walls formed around the cavity in the back side of the peninsula; and a tuning module operatively coupled to the speaker grill to excite the speaker grill and dynamically switch frequencies based on the target frequency to be emitted by the speaker grill
    Type: Application
    Filed: January 13, 2020
    Publication date: July 15, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Timothy C. Shaw, Geroncio O. Tan
  • Publication number: 20210211167
    Abstract: An information handling system (IHS) includes a sensor for sensing a physical configuration of the IHS, the physical configuration dependent upon a position of a hinge of a housing of the IIS. A first proximity sensor probe may sense whether a first biological entity element is proximate to a first antenna of the IHS, and a second proximity sensor probe may sense whether a second biological entity element is proximate to a second antenna of the IHS. The IHS may reconfigure use of at least one of the first antenna and the second antenna in response to the sensing of at least one of the first proximity sensor probe and the second proximity sensor probe.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 8, 2021
    Inventors: Suresh K. Ramasamy, Changsoo Kim, Ching Wei Chang
  • Publication number: 20210175610
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a base housing metal chassis containing components of the information handling system including a thermal vent, an audio vent, and an antenna vent, the antenna vent being co-located with the thermal vent and audio vent; and the co-located antenna vent including: partitions defining a width of an aperture formed at the co-located antenna vent to accommodate a target frequency range; a monopole antenna system formed within the co-located antenna vent including a parasitic coupling element; and a grounding wall defined along an edge of the co-located antenna vent.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 10, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati, Changsoo Kim
  • Publication number: 20210175606
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna includes a base metal chassis containing components of the information handling system, the base housing metal chassis including a C-cover and D-cover housing the components; a display chassis including an A-cover operatively coupled to the base metal chassis via a hinge; a vent cavity at an edge of the D-cover; a metal exhaust grill formed within the base metal chassis; an antenna element co-located within the vent cavity; and a ground current path forming an electric field trap via the metal exhaust grill to the D-cover of the base metal chassis in the thermal exhaust vent cavity to limit currents from resonating metal structures external to the vent cavity of the information handling system; and an antenna aperture to direct resonance with the antenna element out of the vent cavity.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 10, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati
  • Publication number: 20210175608
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a base housing chassis containing components of the information handling system including a processor and memory and including a C-cover and a metal D-cover; a display chassis assembly having a display screen and including an A-cover; a hinge mechanically coupling the display chassis assembly to the base housing chassis; a hinge gap integrated along a hinge between an edge of the A-cover and an edge of the metal D-cover; an antenna to emit a radio frequency signal to a contained hinge gap resonant cavity formed within the hinge gap; and a flexible printed circuit (FPC) having a ground line operatively coupling the base housing chassis to the display chassis assembly to form a ground path across the hinge gap to shunt excitation currents along the hinge gap and to determine a size of the contained hinge gap resonant cavity between the A-cover and D-cover to accommodate an operating frequency of the radio frequency
    Type: Application
    Filed: December 6, 2019
    Publication date: June 10, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati, Changsoo Kim
  • Publication number: 20210175607
    Abstract: An information handling system to wirelessly transmit and receive data at an antenna may include a base housing metal chassis containing components of the information handling system, the base housing metal chassis including a C-cover and D-cover housing the components; and an antenna cavity formed within the C-Cover and D-cover including: a first aperture formed through a portion of the D-cover; a second aperture formed through a portion of the C-cover; and a grounding wall formed within the antenna cavity to operatively couple currents associated with the antenna such that the currents travel from the first aperture to the send aperture causing emitted electromagnetic radiation to be emitted towards the second aperture.
    Type: Application
    Filed: December 5, 2019
    Publication date: June 10, 2021
    Applicant: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Sumana Pallampati, Changsoo Kim