Patents Examined by Robert Grant
  • Patent number: 11411410
    Abstract: A charging device includes: a power supply circuit including a first inverter connected between a first storage battery and a load, and a second inverter connected between a second storage battery and the load, the power supply circuit being configured to drive the one load; a charging port configured to be connected to an external power supply when the first storage battery and the second storage battery are charged with power from the external power supply; and a relay configured to allow current to bypass the first inverter, the second inverter, and the load between a positive electrode terminal of the charging port and a negative electrode terminal of the charging port, when the first storage battery and the second storage battery are charged with the power from the external power supply.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: August 9, 2022
    Inventors: Yoshitaka Niimi, Naoyoshi Takamatsu
  • Patent number: 11406807
    Abstract: A compact battery and voltage supply controller apparatus for a tattoo machine is disclosed. The battery and controller are configured to connect the battery to the tattoo machine through replaceable internally received magnetic connection adapters. The toggle switch operated display screen provides easy-to-view status and health of the battery and incremental voltage adjustment using a voltage boost circuit and adjustment knob. The internal battery can be replaced and/or removed and recharged.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 9, 2022
    Assignee: FK Irons Inc.
    Inventors: Robert Smead, Christopher Sanford, Dahao Xuan
  • Patent number: 11411418
    Abstract: A battery management system is provided. The battery management system includes a controller comprising at least one processor and at least one memory. The at least one memory comprising instructions executed by the at least one processor to receive load information about a load from a load sensor, receive battery operating information from a battery sensor, determine a number of battery modules needed to supply the load and operate each battery module at or below a preferred discharge rate based on the load information and the battery operating information, select a group of battery modules included in the battery based on the number of battery modules and the battery operating information, each battery module included in the group of batteries having a current depth of discharge within the preferred depth of discharge range, and instruct the battery to supply the load using the group of battery modules.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: August 9, 2022
    Assignee: The Raymond Corporation
    Inventors: David Rea, Kenneth L. Kaye, David James Reed, Matthew Fronk, Thaddeus Grey
  • Patent number: 11390176
    Abstract: An electric vehicle (EV) charging station for fast charging (e.g. 5 to 15 minutes) an electric vehicle (EV). The EV charging station can be configured to charge multiple EVs and multiple conventional vehicles at the same time. The EV charging station can include a power source, an electric reservoir receiving power from the power source, an AC to DC power converter for receiving AC power from the power source and converting the AC power to DC power for supplying DC power to the electric reservoir, an EV charger receiving DC power from the electric reservoir; and a first DC to DC converter receiving DC power from the electrical reservoir and converting the DC power to DC power suitable for charging the electrical vehicle.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: July 19, 2022
    Assignee: THE NOCO COMPANY
    Inventor: James Richard Stanfield
  • Patent number: 11387662
    Abstract: The present disclosure provides a headset charging and data transmission system, which includes a headset and a charging device. The charging device includes a first controller, a first connector, a first switching device, and a second switching device. The first switching device is electrically connected to the first controller and the first connector, and the second switching device is electrically connected to the first controller and the first switching device. The first controller controls the second switching device to switch between the first and second voltages to provide a first data signal for the first switching device, so that the first data signal is output to the headphones via the first connector.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: July 12, 2022
    Inventor: Hung-Yuan Li
  • Patent number: 11368030
    Abstract: A method includes receiving current measurements from at least one current sensor configured to measure current of a battery system in communication with a power distribution network having a power plant. The method also includes receiving voltage measurements from at least one voltage sensor configured to measure voltage of the battery system and temperature measurements from at least one temperature sensor configured to measure temperature of the battery system. The method includes determining an impedance parameter of the battery system based on the received measurements, a temperature parameter of the battery system based on the received measurements, a predicted voltage parameter based on the impedance parameter, and a predicted temperature parameter based on the temperature parameter. The method includes commanding the battery system to charge power from the power plant or discharge power from the power plant based on the predicted voltage parameter and the predicted temperature parameter.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: June 21, 2022
    Assignee: EOS Energy Storage LLC
    Inventors: Kamel Belkacem-Boussaid, George W. Adamson
  • Patent number: 11355951
    Abstract: A power failure prevention system includes a switch circuit, an energy storage circuit, a voltage detector circuit and a control circuit. The switch circuit includes a first switch, a second switch, a third switch and a fourth switch. The energy storage circuit is connected to the switch circuit. The voltage detector circuit detects an input voltage provided by an input voltage source and a stored voltage of the energy storage circuit. The control circuit controls the switch circuit according to the detected input voltage and stored voltage. When the input voltage is higher than a first threshold, the switch circuit allows the input voltage to charge the energy storage circuit. When the input voltage is lower than a second threshold, the switch circuit allows the stored voltage to discharge to the input voltage source. The first threshold is higher than the second threshold.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: June 7, 2022
    Inventors: Tzu-Yang Yen, Chih-Yuan Chen
  • Patent number: 11349317
    Abstract: A charger integrated circuit for charging a battery device including a first battery and a second battery connected to each other in series. The charger integrated circuit includes a first charger to be connected to a connection node between the first and second batteries, a second charger to be connected between the input voltage terminal and a high voltage terminal of the battery device, and a balancing circuit to balance voltages of the first and second batteries. The first charger is to provide a first charge current to the connection node in a first charge mode. The second charger is to directly charge the battery device by providing a second charge current to the high voltage terminal in a second charge mode.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: May 31, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-woo Lee, Sang-bin Moon, Hyoung-seok Oh, Jung-wook Heo
  • Patent number: 11342598
    Abstract: An inductive charging apparatus includes a primary conductor with at least one node for creating a magnetic field and at least one intermediate resonant circuit including a first coil for receiving inductive power from the node, a second coil operable in use to be driven by current from the first coil to generate a magnetic field for power transfer, and a tuning capacitor coupled to the first and second coils for resonance therewith.
    Type: Grant
    Filed: February 15, 2019
    Date of Patent: May 24, 2022
    Assignee: Auckland Uniservices Limited
    Inventors: John Talbot Boys, Grant Anthony Covic
  • Patent number: 11322951
    Abstract: A battery management system may include: a plurality of voltage detection integrated circuits; and a battery controller configured to control charge and discharge of a high voltage battery based on a cell voltage detection result received from the voltage detection integrated circuits, and each of the detection integrated circuits includes: a cell voltage detection circuit configured to detect a voltage of at least one corresponding cell among a plurality of cells constituting the high voltage battery; first and second interfaces configured to communicate between different voltage detection integrated circuits in the detection integrated circuits; a plurality of first terminals connected with a first power source which supplies an operation voltage of the cell voltage detection circuit and the first interface; a plurality of second terminals configured to receive an operation voltage of a different voltage detection integrated circuit connected therewith through the second interface; and a level shifter confi
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: May 3, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Wonkyoung Cho, Yongchun Kim
  • Patent number: 11316353
    Abstract: A device charging system application to track one or more batteries configured to supply power to at least one load device and a central charging station in communication with the battery and including a transceiver and an electronic processor configured to define a virtual boundary within an area proximate to the central charging station, determine a proximate location of the battery, determine, based the location of the battery, whether the battery is within the virtual boundary, and transmit a command to the battery causing the battery to stop supplying power to the load device when the battery is not within the virtual boundary.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: April 26, 2022
    Assignee: Hubbell Incorporated
    Inventors: Nelson Bonilla, Jason Walker, John Brower, Matthew Samojeden, Shadi AbuGhazaleh, Nicole Gay
  • Patent number: 11309606
    Abstract: A vehicle for carrying a camera crane has wheels or treads on a chassis. A battery pack assembly on the chassis, includes an AC to DC converter and plurality of batteries wired to a battery charger within a housing. The batteries collectively may have an output voltage of 30 to 36 VDC when fully charged. At least one input connector on the housing is wired to the AC to DC converter for charging the batteries. The battery pack assembly replaces and is used instead of a camera-equipment-generator.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: April 19, 2022
    Inventor: Leonard T. Chapman
  • Patent number: 11296535
    Abstract: The control device for an electric motor according to this application provides a battery voltage detecting part for detecting a battery voltage at the time of driving a motor driven by a battery, and a minimum voltage holding part for keeping the battery voltage above the predetermined voltage by reducing the consumption current of the electric motor when the battery voltage detected by the battery voltage detecting part falls below a predetermined voltage during driving of the electric motor, so that it is possible to suppress a reduction in battery voltage during driving at low cost, and it is possible to keep the battery voltage above the predetermined voltage.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: April 5, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Nobuaki Yoshioka, Kenichi Akita, Mitsunori Tabata
  • Patent number: 11289935
    Abstract: A battery-based wireless power device for clamping onto a furniture article is provided. The battery-based wireless power device includes an upper housing having an electrical connector, such as an AC outlet or USB plug, and a lower housing operatively connected to the upper housing. The upper housing and the lower housing are positioned substantially parallel to one another and define a mounting cavity therebetween configured for removable attachment to an edge of the furniture article. The battery-powered device provides power through the use of a self-contained electrical power source, such as a rechargeable battery. The rechargeable battery can be removed, replaced with a charged battery, and recharged for later use.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: March 29, 2022
    Assignee: Luxor Workspaces, LLC
    Inventor: Zachariah Mundy
  • Patent number: 11277022
    Abstract: A power supply device includes: a high voltage power system including a high-voltage battery; a low voltage power system including a low-voltage battery of which an output voltage is lower than that of the high-voltage battery; a DCDC converter configured to step down an output voltage from the high-voltage battery and supply the stepped-down voltage to the low voltage power system; and a control unit configured to control a voltage to be supplied to the low voltage power system by the DCDC converter, based on a request from the low voltage power system and information representing a charge/discharge power of the high-voltage battery.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: March 15, 2022
    Inventor: Noritake Mitsutani
  • Patent number: 11273913
    Abstract: A smart battery includes a battery and a measurement module coupled to measure electrical characteristics of the battery. The smart battery also includes processing logic and a communication interface configured to receive the electrical characteristics and transmit the electrical characteristics to a receiver.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: March 15, 2022
    Assignee: WiBotic Inc.
    Inventor: Benjamin Waters
  • Patent number: 11270824
    Abstract: A ferromagnetic accessory for a handheld device is disclosed. Embodiments include a housing having a first side and a second side, the first side adapted to be coupled to and cover at least a portion of a handheld device, and a ferromagnetic layer coupled to the housing and forming a planar pattern of alternating areas defined by ferromagnetic material and nonferromagnetic material. In at least one embodiment, the ferromagnetic material comprises elongate members and the ferromagnetic layer comprises a plurality of spaced-apart elongate members defining nonferromagnetic material areas therebetween. In other embodiments, the ferromagnetic layer is embedded within the housing. In other embodiments, the ferromagnetic accessory is a contiguous layer, a composite of an elastomer and ferromagnetic material and can be coupled directly to a handheld device or to the outside of a housing.
    Type: Grant
    Filed: January 14, 2019
    Date of Patent: March 8, 2022
    Assignee: Scooch, LLC
    Inventors: Matthew A. Foley, John A. Stagge
  • Patent number: 11264813
    Abstract: The present disclosure discloses a charging circuit, a terminal and a charging method, and belongs to a field of electronic circuit technologies. The charging circuit includes: a control circuit and a voltage reduction circuit connected to the control circuit; wherein the control circuit is configured to obtain a feedback signal indicating a generation frequency of a control signal, generate the control signal based on the feedback signal, and send the control signal to the voltage reduction circuit; and the voltage reduction circuit is configured to obtain an input voltage and the control signal, perform voltage reduction processing on the input voltage based on the control signal and output an output voltage to a battery, wherein an output current corresponding to the output voltage is greater than an input current corresponding to the input voltage, and the output voltage is configured to determine the generation frequency.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 1, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Jie Fan, Zhiwu Li
  • Patent number: 11254213
    Abstract: A portable or handheld device or apparatus for jump starting a vehicle engine having a depleted or discharged starting battery. The portable or handheld device or apparatus for jump starting a vehicle engine includes a rechargeable lithium-ion (Li-ion) battery pack and a battery cell equalization circuit configured to prevent overcharging of one or more individual lithium-ion battery cells, which can cause fire, damage to the battery pack and device or apparatus for jump starting a vehicle, or personal injury to a user.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: February 22, 2022
    Assignee: THE NOCO COMPANY
    Inventors: Jonathan Lewis Nook, William Knight Nook, Sr., James Richard Stanfield, Derek Michael Underhill
  • Patent number: 11239685
    Abstract: One example includes a battery charging system configured to charge a battery associated with a mobile device. The battery charging system includes a transformer configured to receive an AC charging current via a charging cable at a primary inductor and to generate an AC secondary current at a secondary inductor. The battery charging system also includes a rectifier system configured to rectify and filter the AC secondary current to generate a DC charging current that is provided to charge a battery.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: February 1, 2022
    Inventor: Isaac Cohen