Patents Examined by Edward Tso
  • Patent number: 10348134
    Abstract: Methods and apparatuses for performing wireless charging are disclosed. One of the disclosed apparatuses is a wireless power receiver which can receive charging power from a wireless power transmitter.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: July 9, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Kyung-Woo Lee, Kang-Ho Byun, Ho-Seong Lee, Hee-Won Jung
  • Patent number: 10348110
    Abstract: A battery pack (30) is configured to couple to a power tool (10) by sliding in a sliding direction and it contains a plurality of cells (31). A pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and a battery-side signal terminal (313) can be electrically connected to a pair of tool-side, power-supply terminals (212, 214) and a tool-side signal terminal (213), respectively, which are provided on the power tool (10). The pair of battery-side, electric-power terminals (312a, 312b, 314a, 314b) and the battery-side signal terminal (313) are disposed in parallel adjacently in a direction that intersects the sliding direction.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: July 9, 2019
    Assignee: MAKITA CORPORATION
    Inventors: Eiji Kondo, Hironori Ogura, Takuya Umemura, Hideyuki Taga, Yoshihiro Ishikawa
  • Patent number: 10348111
    Abstract: A charging circuit adopts a plurality of feedback control circuits, a constant time signal generator and a logic circuit to control the operation of a power switch. The charge circuit needs no oscillator with high frequency, error amplifier with high speed and high accuracy, or compensation circuit with complicated structure, so the system portability is highly improved.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: July 9, 2019
    Assignee: Monolithic Power Systems, Inc.
    Inventors: Min Xu, Xiaoqing Li, Qiming Zhao
  • Patent number: 10343538
    Abstract: Method and apparatus are disclosed for controlling charge levels of vehicle batteries. An example vehicle includes a battery, a battery sensor for detecting a current of the battery, a power connector for connecting to an external electrical device, a relay electrically connected between the power connection and the battery, and a body control module to position the relay in a closed state in response to determining that the current is greater than zero and the battery is not in an overcharge state.
    Type: Grant
    Filed: April 6, 2017
    Date of Patent: July 9, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Hanyang B. Chen, Michael J. Irby, Douglas George Rosner
  • Patent number: 10340711
    Abstract: Embodiments describe a wireless charging device including: a housing having a planar charging surface and one or more walls that define an interior cavity; a transmitter coil arrangement positioned within the interior cavity; and a faraday cage enclosing the transmitter coil arrangement. The faraday cage includes: an electromagnetic shield positioned between the transmitter coil arrangement and the first shell; an interconnection structure positioned within the interior cavity below the transmitter coil arrangement, the interconnection structure including a plurality of packaged electrical components mounted on the interconnection structure; a ferromagnetic shield positioned between the transmitter coil arrangement and the interconnection structure; and a conductive grounding fence disposed around a perimeter of the interconnection structure and between the electromagnetic shield and the interconnection structure.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: July 2, 2019
    Assignee: Apple Inc.
    Inventors: Christopher S. Graham, Demetrios B. Karanikos, Darshan R. Kasar, Paul J. Thompson, Eric S. Jol, Grant S. Haug, Karl Ruben F. Larsson
  • Patent number: 10340722
    Abstract: The present invention is directed to an electrical wiring assembly that includes a plurality of line terminals configured to be coupled to a source of AC power. A circuit assembly is coupled to the plurality of line terminals. The circuit assembly includes a control circuit coupled to at least one electro-magnetic coil, the control circuit being configured to provide an electrical drive signal to the at least one electro-magnetic coil in accordance with a predetermined wireless charging regimen. The at least one electro-magnetic coil is configured to propagate a magnetic field in accordance with the electrical drive signal. A wall plate assembly is configured to accommodate the circuit assembly therewithin, the wall plate assembly including a charging interface region configured to accommodate a portable electronic device.
    Type: Grant
    Filed: May 27, 2016
    Date of Patent: July 2, 2019
    Assignee: Pass & Seymour, Inc.
    Inventors: Richard M. Rohmer, Brian Mueller, Thomas F. Roy
  • Patent number: 10336207
    Abstract: A system according to an exemplary aspect of the present disclosure includes, among other things, an electrified vehicle including a battery pack, a human-machine interface configured to receive inputs setting a charging profile, and a controller. The system further includes a battery system configured to selectively charge the battery pack in response to an instruction from the controller. Further, the controller is configured to instruct the battery system to charge the battery pack consistent with the charging profile.
    Type: Grant
    Filed: July 22, 2016
    Date of Patent: July 2, 2019
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Jordan Mazaira, Bryan Michael Bolger, Christopher Adam Ochocinski, Angel Fernando Porras
  • Patent number: 10340560
    Abstract: A method for displaying battery information of an electronic device is provided. The method includes obtaining an operating history about one or more operations performed by the electronic device; determining a power usage about each of the one or more operations, based on the operating history; and determining an available time period for which a battery supplying power to the electronic device is capable to supply power to the electronic device, based on the power usage and a remaining capacity of the battery.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: July 2, 2019
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Chung Ik Lee, Hun Cheol Oh
  • Patent number: 10340707
    Abstract: A method for the adjustment of states of charge of battery cells that are operated electrically in parallel connection, with the following steps: determination of the states of charge of the battery cells; selection of those battery cells whose states of charge are to be adjusted in accordance with a predeterminable selection rule; activation of those battery cells that are adjusted by means of a respective semiconductor switch of the battery cells, and deactivation of the remaining battery cells by means of the semiconductor switches of the respective remaining battery cells; carrying out the adjustment of the states of charge and monitoring of the states of charge; and termination of the adjustment of the states of charge when a predetermined state of charge has been attained by the activated battery cells.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: July 2, 2019
    Assignee: AUDI AG
    Inventors: Michael Hinterberger, Berthold Hellenthal
  • Patent number: 10333328
    Abstract: Battery sub-modules are selecting to electrically connect to a common power bus, including by: determining if a discharge-related fault indication for a given battery sub-module indicates that the given battery sub-module is in a discharge-related fault condition. If so, the given battery sub-module is excluded from the selected battery sub-modules such that said given battery sub-module is electrically disconnected from the common power bus. The selected battery sub-modules are configured so that the selected battery sub-modules are electrically connected to the common power bus; the selected battery sub-modules that are electrically connected to the common power bus are charged.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: June 25, 2019
    Assignee: Kitty Hawk Corporation
    Inventors: Lewis Romeo Hom, Brian Robert Viele, Scott Furman
  • Patent number: 10328815
    Abstract: A method of efficiently recharging a supplementary battery of a vehicle can recharge the supplementary battery with power from a main battery. A method of controlling a supplementary battery recharging system includes: acquiring charged current of a supplementary battery; starting a timer when the charged current exceeds a limit range; updating a current limit on the basis of a timer value and temperature information of the supplementary battery; and controlling a target voltage using the updated current limit.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: June 25, 2019
    Assignee: Hyundai Motor Company
    Inventors: Hwan Hwang, Dong Jun Shin, Ho Joong Lee, Jun Yeon Park, Chang Ryeol Yoo
  • Patent number: 10333180
    Abstract: An apparatus and method for adjusting a charging condition of a secondary battery are provided.
    Type: Grant
    Filed: August 22, 2016
    Date of Patent: June 25, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Se-Wook Seo, Sang-Il Son, Yo-Han Ko, Jin-Hyung Lim, Yong-Seok Choi
  • Patent number: 10333331
    Abstract: The present disclosure discloses a charging device and a terminal. The device includes: a charging receiving terminal configured to receive a first alternating current; a first rectifier configured to rectify the first alternating current and output a first voltage with a first pulsating waveform, a switch unit configured to modulate the first voltage according to a control signal to obtain a modulated first voltage, a transformer configured to output a plurality of voltages with pulsating waveforms according to the modulated first voltage, and a synthesizing unit configured to synthesize the plurality of voltages to output a second alternating current; and a central control module configured to output the control signal to the switch unit so as to adjust voltage and/or current of the second alternating current in response to a charging requirement of the battery.
    Type: Grant
    Filed: August 27, 2018
    Date of Patent: June 25, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Shebiao Chen, Jun Zhang, Chen Tian, Shiming Wan, Jiada Li
  • Patent number: 10333336
    Abstract: A method for operating a charging device for a battery of a motor vehicle. The charging device converts electric power obtained from a motor vehicle-external, three-phase energy system supplying other consumers in an infrastructure unit, in particular a house, by a converter device into an electric current that is suitable for charging the battery, and supplies electric energy of the battery by the converter device into the energy system. The charging device receives in an operating phase phase-resolved power data, which is fed to the energy system and measured by a measuring device, and determines phase-specified target power while using phase-related power data outputs for each phase. The target power that is determined for each phase is retrieved from each phase.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: June 25, 2019
    Assignee: AUDI AG
    Inventors: Achim Enthaler, Michael Mürken, Andreas Thanheiser, Johann Krammer
  • Patent number: 10326274
    Abstract: An arrangement for receiving electrical energy from a power grid and for discharging electrical energy to the power grid comprises: a converter to convert from AC to DC and vice versa and a control device. The converter includes: a power unit connected on one side to a DC I/O and on another side to an AC I/O; an energy storage device; an energy-converter; and a changeover mechanism to which the energy storage device or the energy-converter is connected via the DC I/O. The control device controls the changeover mechanism such that a neutral state is a state of charge of the energy storage device between 50% and 100%; and at or above the neutral state, the changeover mechanism connects the DC I/O of the converter to the energy-converter at a network frequency higher than a nominal network frequency plus a predetermined, non-zero amount.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: June 18, 2019
    Assignee: AEG Power Solutions GmbH
    Inventors: Stefan Kempen, Andreas Becker, Dieter Brandt
  • Patent number: 10322636
    Abstract: A charging method and an apparatus of an electric vehicle are provided. The charging is executed via connection even between an electric vehicle and a charger that employ different charging methods, irrespective of a charging method of a charger. The apparatus includes a gender converter that is connected between a vehicle inlet and a charger connector according to one of a DC combo standard specification charger and a CHAdeMO standard specification charger to supply DC power for battery charging, communication, and ground connection between a connected charger and the vehicle. A controller determines specifications of the charger connected to the vehicle inlet from a signal transmitted from the charger and executes high-speed charging according to specifications of the connected charger to perform high-speed charging of a vehicle battery with DC power supplied from the charger.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: June 18, 2019
    Assignee: Hyundai Motor Company
    Inventors: Tae Woo Lee, Jin Cheol Shin
  • Patent number: 10320225
    Abstract: A charging system, a charge method, and a power adapter are provided. The charging system includes a battery, a first rectifying circuit, a switch circuit, a transformer, a second rectifying circuit, a sampling circuit, and a control circuit. The control circuit outputs a control signal to the switch circuit, and regulates a duty cycle of the control signal according to the current sampling value so that the voltage with the third pulsating waveform satisfies a requirement of charging the battery.
    Type: Grant
    Filed: January 7, 2017
    Date of Patent: June 11, 2019
    Assignee: Guangdong Oppo Mobile Telecommunications Corp., Ltd.
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10320209
    Abstract: A primary device for connecting to a secondary device is provided, including at least three electrical contacts, a voltage source, and a controller, wherein each electrical contact has an associated high switch connected between the contact and the voltage source, and an associated low switch disposed between the contact and electrical ground, and wherein the controller is connected to each of the switches and is configured to sequentially close pairs of switches to connect the voltage source to the device during an orientation operation, each pair of switches comprising a high switch associated with one of the contacts and a low switch associated with another of the contacts, and is further configured to record a voltage difference between the contacts associated with a plurality of pairs of the switches, and to determine an orientation of the secondary device relative to the primary device based on the recorded voltage difference.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: June 11, 2019
    Assignee: Philip Morris Products S.A.
    Inventors: Johnny Luke Grzan, Kang Liat Keng, Raphael Holzherr
  • Patent number: 10320038
    Abstract: A method for charging a lithium ion secondary battery of the present invention includes a first step and a second step. In the first step, A, B, and C satisfy the relationship A>B and B<C, where A represents an average charging current value in the range where a charge rate of the lithium ion secondary battery is 0% or more and less than 40%, B represents an average charging current value in the range where the charge rate is 40% or more and 60% or less, and C represents an average charging current value in the range where the charge rate is more than 60%. In the first step, the ratio of CMAX to CMIN (CMAX/CMIN) is 1.01 to 3.00, where CMAX represents the maximum value of the charging current value and CMIN represents the minimum value of the charging current value.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: June 11, 2019
    Assignee: MAXELL HOLDINGS, LTD.
    Inventors: Hirokazu Nomura, Kunihiko Koyama
  • Patent number: 10312742
    Abstract: The wireless power transmission system includes a wireless transmitter and wireless receiver for transmission of power. The wireless transmitter includes a DC power supply between 6V and 12V, which may be supplied by a lead-acid battery, or other source. A flat coil defines a radiator, and at least one capacitor parallel to the coil defines a tank circuit. Two banks of MOSFET amplifiers are disposed between the power supply and the tank circuit, each bank having parallel MOSFETS for greater current and power. Two diodes alternately switch the banks on and off. The wireless transmitter generates electromagnetic waves to a wireless receiver having a flat coil or loop inductor to receive the transmission of power, the receiver having a half-wave rectifier and a Zener diode to convert the received power to DC and regulate the voltage for charging a user device, such as a cell phone or other electronic device.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: June 4, 2019
    Inventor: Jenan E. S. SH. M. Al-Shehab