Patents by Inventor Geroncio O. Tan

Geroncio O. Tan 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: 11347321
    Abstract: A key-press detection circuit for an information handling system includes a detector circuit, a RC circuit, and a latch circuit. The detector circuit is coupled to a keyboard matrix device, and operates to provides a clock signal in a first state when a particular key of the keyboard matrix device is pressed and to provide the clock signal in a second state when the particular key is not pressed. The RC circuit receives the clock signal and provides a timed clock signal in a third state for a predetermined amount of time in response to receiving the clock signal in the first state. After the predetermined amount of time, the RC circuit provides the timed clock signal in a fourth state. The latch circuit receives the timed clock signal at a clock input, receives a data signal at a data input, and latches an output signal in a same state as the data signal when the timed clock signal changes from the third state to the fourth state.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: May 31, 2022
    Assignee: Dell Products L.P.
    Inventors: Geroncio O. Tan, Bryan James Thornley, Adolfo S. Montero, Daniel L. Hamlin
  • Publication number: 20220129349
    Abstract: A method of instructing a user prior to a boot-up process of an information handling system may include, with an embedded controller (EC) of the information handling system, executing a guided diagnostic flow module to: determine that a power-on process has been initiated at the information handling system; determine whether the EC detected a power sequencing timeout during boot up; and determine at which power rail boot-up has hung during the power-on process; and where the EC either determines that the power sequencing timeout has occurred, determining a fault at an issue-experiencing hardware component operatively coupled to the determined power rail.
    Type: Application
    Filed: October 28, 2020
    Publication date: April 28, 2022
    Applicant: Dell Products, LP
    Inventors: Craig L. Chaiken, Geroncio O. Tan
  • Publication number: 20220123664
    Abstract: Systems and methods are provided to implement power supply units (PSUs) that are capable of operating on input power having different types of input voltage waveforms, including, but not limited to, pure sinusoidal waveforms, non-pure sinusoidal waveforms, and non-sinusoidal waveforms. Such a PSU may operate to continue supplying DC output power to a system load as long as the PSU is powered by any one of a variety of such different input power types, while at the same time also effectively monitoring for presence of input power provided to the PSU and shutting down the PSU in event of absence or termination of the input power to the PSU. Such a PSU may also automatically identify and adapt to changes between different types of input power while at the same time continuing to supply DC output power to a system load in an uninterrupted manner for as long as some type of input power is being provided to the PSU.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 21, 2022
    Inventors: Wei Cheng Yu, Geroncio O. Tan, Chi Che Wu, Merle Wood, III, Yung-Chang Chang, Ya-Tang Hsieh, Tsung-Cheng Liao
  • Publication number: 20220114319
    Abstract: Systems and methods that may be implemented to automatically sense and verify proper mated orientation of a removable BGA package relative to a mating pad array (e.g., of a BGA socket) prior to supplying power to the BGA package. A removable BGA package may be provided with first and second symmetric pins so as to present different respective circuit states on opposing sides of a center point of its BGA package pin array, such that proper orientation of the BGA package occurs only when a designated one of the first and second symmetric pins is mated with a designated pad of the mating pad array. A programmable integrated circuit may in turn sense the circuit state presented at the designated pad to verify proper orientation of the mated BGA package based on the sensed circuit state presented at the designated pad, and may take one or more designated actions based on whether or not proper orientation of the mated BGA package is verified.
    Type: Application
    Filed: October 9, 2020
    Publication date: April 14, 2022
    Inventors: Geroncio O. Tan, Lip Vui Kan, Merle Wood, III, Wei Cheng Yu
  • 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: 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
  • 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
  • Publication number: 20210341983
    Abstract: An information handling system may include a processor; a battery to supply power to the information handling system, the battery comprising a voltage regulator to power a battery management unit (BMU) on the battery and set a system present pin of the BMU to a high voltage; the BMU to: detect a voltage indicator indicating a change in voltage state at a system present pin of the BMU that is externally connectable to a ground or voltage source at the information handling system, the voltage indicator indicative of an electrical coupling of the battery to the information handling system while the information handling system is in an off state; and register the voltage indicator within a battery register of the BMU; and a microcontroller, upon powering on of the information handling system, to read the voltage indicator at the battery register and determine that the battery has been coupled to the information handling system.
    Type: Application
    Filed: May 1, 2020
    Publication date: November 4, 2021
    Applicant: Dell Products, LP
    Inventors: Geroncio O. Tan, Chia-Liang Lin, Jui Chin Fang, Chia-Fa Chang, Timothy C. Shaw
  • Publication number: 20210326198
    Abstract: An information handling system may include a processor, a display device communicatively coupled to the processor, and a management controller communicatively coupled to the processor and the display device and configured to, in response to a failure of the information handling system, determine a component of the information handling system as a source of failure, generate a unique failure code associated with the failure, encrypt the unique failure code to generate an encrypted unique failure code, and display the encrypted unique failure code to the display device.
    Type: Application
    Filed: April 20, 2020
    Publication date: October 21, 2021
    Applicant: Dell Products L.P.
    Inventors: Craig L. CHAIKEN, Adolfo S. MONTERO, Geroncio O. TAN, Hong-Ji HUANG, Yi-Fan WANG
  • 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
  • Patent number: 11099629
    Abstract: An information handling system (IHS) includes a source load switch connected to a power management circuit, and a port for connection of a device. The IHS detects attachment of the device to the port, and determines whether the device is a current sink. When the device is a current sink, the IHS sets the peak processor power level to a reduced level, determines detachment of the device, and in response to determining detachment of the device, restores a maximum peak processor power level. When the device is not a current sink, the HIS starts charging, sets a dynamic peak processor power level to an AC+DC setting, determines detachment of the device, and in response to determining detachment of the device, sets the peak processor power level to a DC-only setting.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: August 24, 2021
    Assignee: Dell Products L.P.
    Inventors: Geroncio O. Tan, Merle J. Wood, III, Marcin M. Nowak, Wei-Cheng (Jason) Yu, Tsung-Cheng (Anson) Liao
  • 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: 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: 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: 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: 20210225159
    Abstract: Systems and methods that may be implemented to employ a programmable integrated circuit within a smart battery pack to detect and/or log occurrence of chassis intrusion and/or tampering events in a battery-powered information handling system within which the smart battery pack is installed. A battery management unit (BMU) or other programmable integrated circuit of the installed smart battery pack may be utilized to detect occurrence of a tampering and/or intrusion event into the chassis of the host information handling system based on a current state of a system present (Sys_Pres) signal at the battery pack that indicates temporary or permanent disconnection of system motherboard circuitry from the smart battery pack of the battery-powered information handling system. Such a detected occurrence of a tampering and/or intrusion event may be reported to a remote human user of remote system and/or to a local human user of the local system.
    Type: Application
    Filed: January 17, 2020
    Publication date: July 22, 2021
    Inventors: Nicholas D. Grobelny, Geroncio O. Tan, Richard C. Thompson, Adolfo S. Montero
  • 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
  • Patent number: 11031688
    Abstract: A wireless adapter front end system and method for an information handling system including a wireless adapter for communicating on a plurality antenna systems for connection to a plurality of wireless links and an antenna configurable to have a plurality of antenna radiation patterns via an antenna pattern steering control interface, wherein the antenna is operating in a first antenna radiation pattern.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: June 8, 2021
    Assignee: Dell Products, LP
    Inventors: Suresh K. Ramasamy, Youngsoo Cho, Adolfo S. Montero, Ching Wei Chang, Ricardo R. Velasco, Geroncio O. Tan, Lars Fredrik Proejts, Jian Xin Guo, Stephen Shiao, Wei-Chia Huang