Patents Examined by Richard V. Muralidar
  • Patent number: 12275322
    Abstract: Apparatus for transferring electrical power to or from an electric vehicle, comprises a first connector engageable with a second connector on an electric vehicle, a power circuit configured to transfer electrical power to or from the electric vehicle, one or more sensors configured to detect a current position of the second connector relative to the first connector, an adjustment mechanism configured to adjust a position of the first connector, a controller configured to determine an adjustment required to align the first connector with the second connector in dependence on information received from the one or more sensors, control the adjustment mechanism to align the first and second connectors, and engage the first connector with the second connector once aligned. The first connector is disposed beneath a space in which the electric vehicle may be parked, thereby providing a compact and unobtrusive vehicle charging apparatus.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: April 15, 2025
    Inventor: Auroskanda Vepari
  • Patent number: 12272978
    Abstract: A solar powered charger assembly for charging batteries for cordless tools includes a housing that has a charging slot being integrated into the housing to insertably receive a battery from a cordless tool. A charging battery is positioned within the housing and the charging battery is in electrical communication with the charging slot. The charging battery charges the battery of the cordless tool when the battery for the cordless tool is inserted into the charging slot. A plurality of solar panels is each electrically coupled to the housing such that each of the solar panels is exposed to sunlight. Each of the solar panels is in electrical communication with the charging battery for charging the charging battery.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: April 8, 2025
    Inventor: Miguel Carrillo
  • Patent number: 12273087
    Abstract: A multiplexing circuit, an interface circuit system, and a mobile terminal, to resolve a problem that a charging current significantly decreases when a headset is used during charging of the mobile terminal. In a multiplexing circuit, a first switch circuit transmits a right-channel audio signal on a right-channel transmission end to a first external transmission end; a second switch circuit transmits a left-channel audio signal on a left-channel transmission end to a second external transmission end; when a second on voltage is received, but a first on voltage is not received, an isolation circuit transmits the second on voltage to a third switch circuit; and when the first on voltage and the second on voltage are received, the isolation circuit pulls down the third switch circuit, and isolates a ground end from a second on voltage end.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: April 8, 2025
    Assignee: Honor Device Co., Ltd.
    Inventors: Ting Huang, Chen Zhu, Yupeng Qiu
  • Patent number: 12266928
    Abstract: Provided is a jump starting device for charging a depleted discharge battery, the device includes a rechargeable battery having a positive terminal and negative terminal; a switch comprising a jump start current sharing circuit electrically connected to the rechargeable battery; and a battery clamp electrically connected to the jump start current sharing circuit.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: April 1, 2025
    Assignee: The NOCO Company
    Inventors: James Richard Stanfield, Nitish Agrawal, Andrea Carolina Hacker Davidson
  • Patent number: 12260305
    Abstract: In one aspect, an example methodology implementing the disclosed techniques includes, by a disk controller of a plurality of disks of a data storage system, collecting usage telemetry from the plurality of disks and initiating determination of one or more candidate time slots for performing a battery learn cycle using a machine learning model. The machine learning model is trained using the usage telemetry from the plurality of disks. The method also includes, by the disk controller, presenting one or more of the one or more candidate time slots for performing a battery learn cycle.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: March 25, 2025
    Assignee: Dell Products L.P.
    Inventors: Parminder Singh Sethi, Bing Liu, Vasanth Sathyanarayanan, Lakshmi S. Nalam
  • Patent number: 12257917
    Abstract: In one embodiment, an EV charging system includes: a plurality of first converters to receive and convert grid power at a distribution grid voltage to at least one second voltage; a high frequency transformer coupled to the first converters to receive the at least one second voltage and output at least one high frequency AC voltage; and a plurality of port rectifiers coupled to a plurality of secondary windings of the high frequency transformer, each of the port rectifiers comprising a unidirectional AC-DC converter to receive and convert the at least one high frequency AC voltage to a DC voltage. At least some of the port rectifiers may be coupled in series to provide at least one of a charging current or a charging voltage to at least one dispenser to which at least one EV is to couple.
    Type: Grant
    Filed: April 6, 2023
    Date of Patent: March 25, 2025
    Assignee: RESILIENT POWER SYSTEMS, INC.
    Inventors: Josh Keister, Lyle T. Keister, Mehdi Abolhassani
  • Patent number: 12261472
    Abstract: A rechargeable device and a charging method are disclosed. The rechargeable device includes a charging interface, a battery unit, a first switch unit and a second switch unit, a first control unit coupled to the first switch unit, and a second control unit coupled to the second switch unit. The first control unit is configured to control the first switch unit to be turned on in response to the charging path being needed to be on, and to control both the first switch unit and the second switch unit to be turned off in response to the charging path being needed to be off. The second control unit is configured to control the second switch unit to be turned on or off in response to the first control unit controlling the first switch unit to be turned on.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: March 25, 2025
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Chen Tian
  • Patent number: 12252249
    Abstract: A transmit charging coil is driven to wirelessly transfer energy to a receiving charging coil. The wireless energy transfer can be adjusted in response to detecting the receive charging coil. Navigation of an un-manned vehicle may be adjusted in response to the wireless energy transfer.
    Type: Grant
    Filed: January 25, 2024
    Date of Patent: March 18, 2025
    Assignee: WiBotic Inc.
    Inventor: Benjamin Waters
  • Patent number: 12255481
    Abstract: A battery management system, may include an input configured to couple to a power supply, an output configured to couple to a battery, and battery management circuitry coupled between the power supply and the battery and configured to deliver electrical energy to the output at a significantly higher peak-to-average power ratio than receipt of electrical energy to the input.
    Type: Grant
    Filed: August 6, 2021
    Date of Patent: March 18, 2025
    Assignee: Cirrus Logic Inc.
    Inventors: John L. Melanson, Eric J. King, Emmanuel Marchais
  • Patent number: 12249859
    Abstract: An apparatus is disclosed for adaptively providing power. In example implementations, an apparatus includes a power adapter coupler, at least one transistor, a first charger, and a second charger. The first charger and the second charger are coupled between the power adapter coupler and the transistor. The apparatus also includes a first switch, a second switch, and a charging controller. The first switch is coupled in series with the first charger between the power adapter coupler and the transistor. The second switch is coupled in series with the second charger between the power adapter coupler and the transistor. The charging controller is coupled to the first switch and the second switch. The charging controller is configured to selectively close the first switch to connect the first charger to the at least one transistor or close the second switch to connect the second charger to the at least one transistor.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: March 11, 2025
    Assignee: QUALCOMM Incorporated
    Inventors: Georgios Konstantinos Paparrizos, Haoyan Li, Cheong Kun
  • Patent number: 12240346
    Abstract: There is disclosed in one example, one or more tangible, non-transitory computer-readable storage media having stored thereon machine-executable instructions to: receive battery data from at least one sensor connected to a battery bank of an electric vertical takeoff and landing (eVTOL) aircraft, wherein the battery bank comprises a plurality of batteries; compute from the battery data an available flight time remaining for the eVTOL aircraft; compute a nominal flight time remaining, wherein the nominal flight time remaining excludes a reserve flight time; and display the nominal flight time remaining to a pilot in a human-readable format.
    Type: Grant
    Filed: December 24, 2021
    Date of Patent: March 4, 2025
    Assignee: Textron Innovations Inc.
    Inventors: Albert Mazzei, Michael R. Hull, Yue Fan
  • Patent number: 12214689
    Abstract: A method for controlling charging of at least one electrical storage device is disclosed. Information regarding a power grid and the at least one electrical storage device is used by an aggregator to derive a weighted distribution of virtual inertia response and fast frequency response to be provided to the power grid by the electrical storage devices. A total power available for charging the at least one electrical storage device is derived in accordance with the weighted distribution by a charging controller. An active power setpoint is derived for each of the at least one electrical storage device on the basis of at least (i) the total available power and (ii) the information regarding the at least one electrical storage device. Finally, a charging state of each of the at least one electrical storage device is controlled based on the derived active power setpoint.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: February 4, 2025
    Assignee: VESTAS WIND SYSTEMS A/S
    Inventors: Michel Maher Naguib Rezkalla, Karthikeya Balladi Raghuchandra
  • Patent number: 12212150
    Abstract: A wall outlet inductive charger includes a base connected to a set of terminals for receiving power supply conductors. A faceplate is connected to the base. The faceplate includes a charging portion. A charger housing is connected to the base and positioned between the base and the faceplate. A charging pad including an inductive coil is positioned in the charger housing.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 28, 2025
    Assignee: Hubbell Incorporated
    Inventor: Sorin Mortun
  • Patent number: 12199317
    Abstract: A battery system having a battery pack with a negative pole, a positive pole and a battery cell, a coupling network having a first negative terminal and a first positive terminal, a pack voltage divider, and a coupling voltage divider. The first positive terminal is connectable to the positive pole via a switch. Optionally, the first negative terminal is connectable to the negative pole via a switch. The pack voltage divider includes a two resistors connected between the positive pole and a first reference point. A negative pack measurement resistor and a negative sub-pack measurement resistor are dis-connectable from the negative pole or the first reference point via a switch. A positive coupling measurement resistor and a positive sub-coupling measurement resistor are connected between the first positive terminal and the first reference point. Two resistors are connected between the first negative terminal and the first reference point.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: January 14, 2025
    Assignee: Robert Bosch GmbH
    Inventors: Berengar Krieg, Chrysanthos Tzivanopoulos, Johannes Swoboda, Thomas Schaedlich
  • Patent number: 12191683
    Abstract: Aspects relate to a connector of a charger and methods of use terminating a charging connection between the charger and an electric aircraft. A connector includes a controller that is configured to receive a control signal from a remote device and terminate the charging connection in response to the control signal.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: January 7, 2025
    Assignee: BETA AIR, LLC
    Inventor: Herman Wiegman
  • Patent number: 12191092
    Abstract: The present invention relates to a contactor device (100), which is capable of changing a connection state of at least two battery modules (502(1), 502(2)) of a high voltage energy storage system (10) between a series connection and a parallel connection, and to an energy storage system (10) comprising the contactor device (100). The contactor device (100) comprises two first terminals (102, 104) for electrically connecting at least one of a load and a charger, two second terminals (106, 108) for electrically connecting a first battery module (502(1)), and two third terminals (110, 112) for electrically connecting a second battery module (502(2)).
    Type: Grant
    Filed: June 1, 2023
    Date of Patent: January 7, 2025
    Assignee: Munich Electrification GmbH
    Inventors: Stefan Goede, Philipp Lachner, Sebastian Kleppe, Heiko Bergmaier, Tobias Werling
  • Patent number: 12155308
    Abstract: A device includes a battery current sense circuit configured to generate a battery current feedback voltage based on a current provided to a battery, a current regulation feedback loop configured to regulate the current provided to the battery based on the battery current feedback voltage and a configurable battery current reference voltage, and a precharge regulation feedback loop configured to regulate the current provided to the battery based on the battery current feedback voltage and a configurable precharge reference voltage. The device also includes a processor configured to set the battery current reference voltage to a first value and set the precharge current reference voltage to a second value. The first value is less than the second value during a transition state.
    Type: Grant
    Filed: July 2, 2021
    Date of Patent: November 26, 2024
    Assignee: TEXAS INSTRUMENTS INCORPORATED
    Inventors: Karthik Nandimandalam Venkata, Siew Kuok Hoon, Daniel Andrew Mavencamp, Jairo Daniel Olivares
  • Patent number: 12153285
    Abstract: An ophthalmic device includes a lens and an electronic component embedded in the lens to enhance the functionality of the lens. The ophthalmic device includes a first coil to wirelessly receive energy from an external device, such as a wireless charger, and wirelessly transmits the received energy to a second coil coupled to the electronic component so as to power the electronic component. The first coil can function as part of a repeater to facilitate the wireless charging. The repeater can receive electrical energy wirelessly and works with various positions, sizes, and shapes of the electronic component. The wireless power efficiency can also be increased using the repeater to concentrate a magnetic flux within the second coil.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: November 26, 2024
    Assignee: e-Vision Smart Optics, Inc.
    Inventor: Ronald David Blum
  • Patent number: 12149105
    Abstract: A method, apparatus and non-transitory computer-readable medium of regulating current within a battery charging circuit. The apparatus including a first current sense resistor configured to sense a first current value at a first port, a second current sensor resistor configured to sense a battery discharge current value output from a battery, and a processor configured to, in response to a short circuit or malfunction at the first current sense resistor, use the battery discharge current value to determine an output current limit and to limit the current at the first port according to the output current limit.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: November 19, 2024
    Assignee: Renesas Electronics America Inc.
    Inventors: Shahriar Jalal Nibir, Yen-Mo Chen, Sungkeun Lim
  • Patent number: 12149115
    Abstract: A power bank system includes a packaging container and a power bank. The packaging container defines an internal cavity and has an external receiving surface. The power bank has a battery, a primary coil, and a sensor. The power bank is positioned within the internal cavity such that the primary coil and the sensor are disposed proximate to an opposing side of the external receiving surface. The external receiving surface is configured to receive a portable device. The power bank is configured to deliver power from the battery to the portable device wirelessly via the primary coil and though the external receiving surface in response to the sensor detecting the portable device being positioned proximate the external receiving surface.
    Type: Grant
    Filed: August 4, 2022
    Date of Patent: November 19, 2024
    Assignee: RFA Brands, LLC
    Inventors: Roman Ferber, Jorge Carrillo