Patents Examined by Yalkew Fantu
  • Patent number: 10389164
    Abstract: Provided are a charging system, a protection method and a power adapter. The charging system comprises: a battery, a first rectification unit, a switch unit, a transformer, a second rectification unit), a voltage sampling circuit, a control unit, and a comparator unit. The first rectification unit outputs the voltage with the first pulsating waveform. The switch unit outputs the modulated voltage with the first pulsating waveform. The transformer outputs the voltage with the second pulsating waveform. The second rectification unit outputs the voltage with the third pulsating waveform. The control unit adjusts a duty cycle of a control signal, such that the voltage of a third pulsation waveform meets the charging requirement of the battery. The comparator unit applies a comparison signal to the switch unit when the voltage sampling value is greater than the reference voltage value, so as to control the switch unit to forcibly open.
    Type: Grant
    Filed: January 7, 2017
    Date of Patent: August 20, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Chen Tian, Jialiang Zhang
  • Patent number: 10381879
    Abstract: A transfer device comprising: a transfer coil; a power converter for providing transmission power to the transfer coil; and a controller for receiving, from a reception device, allowable reception power information and a control error value so as to control the power converter, wherein the controller determines new transmission power on the basis of the control error value and determines whether to output the new transmission power on the basis of the allowable reception power.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: August 13, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Jae Hee Park
  • Patent number: 10369896
    Abstract: An apparatus for flexible DC fast charging of an electrified vehicle includes a charge receptacle and a vehicle charging controller programmed to establish a wireless communication with a charging station. The apparatus further includes a reconfigurable energy storage system selectively and electrically connected to the charge receptacle. The reconfigurable energy storage system includes a first rechargeable energy storage device selectively and electrically connected to the charge receptacle, a second rechargeable energy storage device selectively connected to the charge receptacle, and a plurality of low-loss switching devices selectively connected to the first rechargeable energy storage device and the second rechargeable energy storage device.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: August 6, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Chandra S. Namuduri, Thomas W. Nehl, Lei Hao, Michael Harpster, Andrew K. Chandler
  • Patent number: 10365334
    Abstract: A storage battery control device includes: a voltage measurement means for measuring terminal voltage of a storage battery; a current measurement means for measuring charge current and discharge current of the storage battery; a capacity calculation means for calculating a cumulative capacity of the storage battery by using the charge current measured by a current measurement unit; a control means for determining an operation of the storage battery, based on at least one of the terminal voltage, the charge current, the discharge current, and the cumulative capacity; and a charging/discharging control means for causing the storage battery to operate in accordance with an instruction from the control means, and the charging/discharging control means causes the storage battery to charge by a first charging method from a discharge end voltage to a first charge voltage, to charge by a second charging method at the first charge voltage, to charge by the first charging method from the first charge voltage to a secon
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 30, 2019
    Assignee: NEC CORPORATION
    Inventors: Junichi Miyamoto, Hiroshi Kajitani, Sho Ohtani
  • Patent number: 10360519
    Abstract: A planning method of EV fast charging stations on the expressway, comprising the following steps: Step 1: forecasting the spatial and temporal distribution of EV charging load, that is to determine the time and location of each EV needing charging on the expressway; Step 2: based on the forecast result achieved by Step 1, determining the locations of the fast charging stations on the expressway by the nearest neighbor clustering algorithm; Step 3: according to the spatial and temporal forecast result of the EV charging load and the locations of the fast charging stations, determining the number c of the chargers in each fast charging station by queuing theory. Due to battery characteristics, traditional gas stations do not completely match the fast charging stations.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: July 23, 2019
    Assignee: Tianjin University
    Inventors: Yunfei Mu, Xiaohong Dong, Hongjie Jia, Xiaodan Yu
  • Patent number: 10355531
    Abstract: Some embodiments provide a system for charging devices. The system includes a master device and a slave device. Some embodiments provide a method for charging devices in a system that includes a slave device and a master device. The slave device includes (1) an antenna to receive a radio frequency (RF) beam and (2) a power generation module connected to the antenna that converts RF energy received by the slave antenna to power. The master device includes (1) a directional antenna to direct RF power to the antenna of the slave device and (2) a module that provides power to the directional antenna of the master device.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: July 16, 2019
    Assignee: Golba, LLC
    Inventor: Mehran Moshfeghi
  • Patent number: 10355503
    Abstract: A mobile device auxiliary battery is disclosed. The mobile device auxiliary battery can supply electric current to the mobile device. A processing device associated with the auxiliary battery may be wirelessly connected to the mobile device, such as with a Bluetooth interface, and thereby control operational aspects of the battery, including for example control over supplying power to the mobile device. The auxiliary battery may be part of a charging system or kit that includes a uniquely designed separate charger or part of a protective case. In yet another aspect, the protective case may include unitary bumper flexible bumper co-molded to the body of the case and a male connector extending from a nested portion that is adapted to tilt outward from the case to facilitate insertion of the corresponding female port on the mobile device into the connector and into the case.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: July 16, 2019
    Assignee: Incipio, LLC
    Inventors: Andy Fathollahi, Yu Ta Lin, Jin Woo Choi
  • Patent number: 10348133
    Abstract: A power transmitter wirelessly transmits electric power to a power receiver that includes a reception antenna. The power transmitter includes: an inverter circuit; a transmission antenna which sends out the AC power having been output from the inverter circuit; and a control circuit which, based on measurement values of voltage and current to be input to the inverter circuit, determines a value of a control parameter defining an output voltage from the inverter circuit and controls the inverter circuit by using the determined value of the control parameter. When at least one of the measurement values of voltage and current to be input to the inverter circuit changes, the control circuit changes the value of the control parameter based on the measurement values of voltage and current so that a voltage to be output from the power receiving circuit is maintained within a predetermined range.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: July 9, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hideaki Miyamoto, Satoru Kikuchi, Tsutomu Sakata, Eiji Takahashi, Hiroshi Kanno
  • Patent number: 10340727
    Abstract: The present disclosure discloses a charging system, a charging method, and a power adapter. The charging system includes a battery, a first rectifier, a switch unit, a transformer, a second rectifier, a sampling unit, and a control unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to a current sampling value and/or voltage sampling value sampled by the sampling unit, such that a third voltage with a third ripple waveform outputted by the second rectifier meets a charging requirement of the battery.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: July 2, 2019
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jialiang Zhang, Jun Zhang, Chen Tian, Shebiao Chen, Jiada Li, Shiming Wan
  • Patent number: 10337719
    Abstract: Desktop USB Charge device has a built-in or added-on decorative or-and functional unit. The decorative or-and function unit is one of (1) compartment product has medium and miniature-items within the medium including decorative, reflective, glitter, or-and heater to cause inner items moved, or (2) stationary organizer, or (3) moving, shaking, vibration, rotating, spin product, or (4) Physic-products, or (5) compartment assembly to put items within, or (6) music or smell device, or (7) magnetic reaction products. The desktop USB charger device has USB charger-unit not only supplied power to other external product but also has additional (a) USB can delivery digital-signal or digital-data to other computer or communication related products including external consumer electric device, or communication device, printer, scanner, hard-disc, storage device, camera, video camera.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: July 2, 2019
    Inventor: Tseng-Lu Chien
  • Patent number: 10336210
    Abstract: Disclosed herein are a system and method of selecting range for an electric device having a rechargeable energy storage unit. The system includes a controller having a processor and tangible, non-transitory memory on which is recorded instructions. A charging unit is configured to charge the rechargeable energy storage unit when plugged to the charging unit. An operator is requested to enter a selected range for the electric device. The controller is configured to determine if the selected range is less than a predetermined maximum range. If the selected range is less than the predetermined maximum range, the selected range is converted to a selected energy consumption based on a driving model of the operator. A target voltage is determined based on the selected energy consumption and predetermined parameters of the charging unit. The rechargeable energy storage unit is charged to the target voltage, via the charging unit.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: July 2, 2019
    Assignee: GM Global Technology Operations LLC.
    Inventors: Jonathan J. Stec, Matthew S. Stout
  • Patent number: 10340736
    Abstract: A wireless power transmission device includes a mounting member, first and second terminals mounted on the mounting member and a transmission coil connected to the first and second terminals. The transmission coil includes an outer transmission coil and an inner transmission coil extending from the outer transmission coil and having a radius less than that of the outer transmission coil, and a distance between the outer transmission coil and the inner transmission coil is in a range from 20 mm to 30 mm.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 2, 2019
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Su Ho Bae
  • Patent number: 10328807
    Abstract: The present invention relates to a method for operating a battery charger, and a battery charger. The method comprising the steps of determining a capacity of the battery, determining an initial charging current, apply the calculated initial charging current as a charging current to the battery, determining the voltage change with time ?V/?t for the voltage over the battery, adjusting the charging current based on the ?V/?t.
    Type: Grant
    Filed: March 16, 2016
    Date of Patent: June 25, 2019
    Assignee: CTEK Sweden AB
    Inventors: Per Eriksson, Linus Eriksson, Hans-Olof Frojd
  • Patent number: 10322639
    Abstract: Provided are a charging device and a vehicle capable of reducing the amount of noise flowing into a quick-charging facility. The pair of charging lines connecting the quick-charging facility (20) to an onboard battery (30) are referred to as quick-charging lines, and each of these quick-charging lines is provided with a relay (16-1, 16-2). Each relay (16-1, 16-2) is used to switch the current flowing in the respective quick-charging line on and off, the current being switched on during quick-charge and being switched off during normal charging. Each quick-charging line has a Y-capacitor (17) connected thereto closer to a QC port (15) than the respective relay (16-1, 16-2).
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: June 18, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Shuhei Chizuwa
  • Patent number: 10326154
    Abstract: An example on demand, variable supply fuel cell may include an anode coupled to provide electrical continuity for output power of the fuel cell, a cathode coupled to provide electrical continuity for the output power of the fuel cell, a membrane electrode assembly (MEA) disposed between the anode and cathode, the MEA coupled to generate the output power in response to exposure to a fuel, a plurality of capillary tubes to deliver the fuel to the MEA, wherein a first end of each of the plurality of capillary tubes is disposed adjacent to the MEA, and a plate isolator coupled to expose a second end of one or more capillary tubes of the plurality of capillary tubes to the fuel in response to a control signal, where the control signal is based on an amount of output power the fuel cell is to generate.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: June 18, 2019
    Assignee: GOOGLE LLC
    Inventors: Nikesh Tayi Dhar, Ajay Babu Kamath
  • Patent number: 10326293
    Abstract: An electronic device may include a battery charger and a controller. The battery charger may receive a voltage from an energy source, and may provide an output power. The controller may receive a voltage value of the energy source, may receive a current value from the battery charger or the energy source, may determine a power value based on the received voltage value and the received current value, and may provide at least one control signal to the battery charger to change the output power of the charger.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: June 18, 2019
    Assignee: INTEL CORPORATION
    Inventors: Lilly Huang, Wayne Proefrock, Krishnan Ravichandran, Alexander Uan-Zo-Li
  • Patent number: 10320240
    Abstract: Some embodiments provide a system for charging devices. The system includes a master device and a slave device. Some embodiments provide a method for charging devices in a system that includes a slave device and a master device. The slave device includes (1) an antenna to receive a radio frequency (RF) beam and (2) a power generation module connected to the antenna that converts RF energy received by the slave antenna to power. The master device includes (1) a directional antenna to direct RF power to the antenna of the slave device and (2) a module that provides power to the directional antenna of the master device.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: June 11, 2019
    Assignee: Golba, LLC
    Inventor: Mehran Moshfeghi
  • Patent number: 10320245
    Abstract: A method of determining alignment of an inductive power coupler of an electric vehicle relative to an inductive power transmit element includes: receiving, at the electric vehicle, a first wireless signal and a second wireless signal; analyzing the first wireless signal and the second wireless signal to determine an alignment value, the alignment value being a magnitude of the first wireless signal relative to a magnitude of the second wireless signal or being a difference between a time of arrival of the first wireless signal and a time of arrival of the second wireless signal; and determining, based on the alignment value, an indication of a lateral offset of the inductive power coupler of the electric vehicle relative to the inductive power transmit element.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: June 11, 2019
    Assignee: WiTricity Corporation
    Inventor: Lukas Sieber
  • Patent number: 10312720
    Abstract: A wireless charging service method and a wireless charging device are provided. The wireless charging service method includes the following steps. Firstly, an identification device judges whether the electronic device is authenticated. If the electronic device is authenticated, the identification device issues an authority information to the electronic device. Moreover, a wireless charging device receives the authority information from the electronic device and wirelessly charges the electronic device. The task of authenticating the electronic device is related to the electronic device and the identification device only. Since the account information and the password information of the electronic device are not transmitted to the public wireless charging device, the private information will not be leaked.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: June 4, 2019
    Inventor: Chuang-Lung Chiu
  • Patent number: 10312728
    Abstract: A battery system comprising a plurality of battery strings, a charge equalization circuit, a relay matrix, and a balance controller. The plurality of battery strings comprises at least three batteries connected in series, where the battery strings are connected in parallel. The charge equalization circuit is capable of equalizing the charge on any pair of series connected batteries in any one of the plurality of battery strings. The relay matrix is operatively connected between the charge equalization circuit and the plurality of battery strings. The balance controller operates the relay matrix based on at least one of a voltage and a current of any one of the batteries such that the charge equalization circuit is connected across any one of the pairs of series connected batteries in any one of the plurality of battery strings.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: June 4, 2019
    Assignee: ALPHA TECHNOLOGIES SERVICES, INC.
    Inventors: James Joseph Heidenreich, Michael A. Haass, Thanh Quoc Le, Seth William Jennings