Patents Examined by Tarikh Kanem Rankine
  • Patent number: 11606977
    Abstract: A communication and heating system for electronic nebulizer and related products are provided. The communication and heating system includes a battery circuit and a nebulizer circuit. The battery circuit is coupled with the nebulizer circuit through a first electrode and a second electrode which are movable. The battery circuit includes a first chip and a battery. The nebulizer circuit includes a second chip and a heating device. The first chip is configured to communicate with the second chip to perform identity authentication when the battery circuit is coupled with the nebulizer circuit. The first chip is configured to control the battery to supply power to the heating device when the identity authentication is successful. In this way, convenience of information exchange between the battery and the nebulizer can be improved.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: March 21, 2023
    Assignee: Shenzhen Transpring Technology Co., Ltd.
    Inventors: Chuhui Chen, Yan Liu
  • Patent number: 11603002
    Abstract: A charge and discharge device for an electric vehicle includes a cable, a holder, and a cable suspending portion. The cable has a distal end at which a charge connector is provided. The charge connector is coupled to an electric vehicle to charge and discharge. The holder holds the charge connector. The cable suspending portion suspends and holds the cable. The holder and the cable suspending portion are disposed at a housing installed on a wall surface. The cable is extracted from the housing. The housing has a side portion at which a tapered surface as a surface facing obliquely ahead is disposed. The holder is mounted on the tapered surface.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: March 14, 2023
    Assignees: KAWAMURA ELECTRIC, INC., HONDA MOTOR CO., LTD.
    Inventors: Haruhiko Murase, Norio Takahashi, Makoto Ogawa, Michihito Okado
  • Patent number: 11605958
    Abstract: A method for preventing an inrush current of an electric vehicle charger may include the steps of determining whether there is a need for an increase or decrease in a charging current level while currently supplied to an electric vehicle to be charged; decreasing the charging current level at a predetermined ratio when it is determined that there is the need for the increase or decrease in the charging current level; checking whether an inrush current occurs for a first time; activating or deactivating at least one charging module to increase or decrease the charging current level according to the request of the electric vehicle to be charged, when the inrush current does not occur for the first time; checking whether the inrush current occurs for a second time; and increasing the charging current level by the charging current level requested by the electric vehicle to be charged, when the inrush current does not occur for the second time.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: March 14, 2023
    Assignee: SK SIGNET INC.
    Inventors: Ho Chul Hwang, Chung Youl Lee, Ho Byung Chae, Kyung Se Moon, Jae Uk Ham
  • Patent number: 11565599
    Abstract: A charge and discharge device for an electric vehicle includes a cable, a holder, and a cable suspending portion. The cable has a distal end at which a charge connector is provided. The charge connector is coupled to an electric vehicle to charge and discharge. The holder holds the charge connector. The cable suspending portion suspends and holds the cable. The holder and the cable suspending portion are disposed at a housing installed on a wall surface. The cable is extracted from the housing. The housing has a side portion at which a tapered surface as a surface facing obliquely ahead is disposed. The holder is mounted on the tapered surface.
    Type: Grant
    Filed: August 16, 2017
    Date of Patent: January 31, 2023
    Assignees: KAWAMURA ELECTRIC, INC., HONDA MOTOR CO., LTD.
    Inventors: Haruhiko Murase, Norio Takahashi, Makoto Ogawa, Michihito Okado
  • Patent number: 11557903
    Abstract: This application embodiment provides a method for equalizing the battery module, an apparatus, a battery module and a power management controller, including: judging whether the first battery core and the second battery core enter their respective fully-charged interval; if the first battery core enters and the second battery core doesn't enter, discharging the first battery core until the second battery core enters; if the first battery core doesn't enter and the second battery core enters, judging whether the maximum value of the first charging voltage of each battery cell in the first battery core is greater than a third preset value; if so, discharging the second battery core until the first battery core enters; if not, controlling both to rest a preset time; after resting for the preset time, discharging the first battery core and the second battery core until the SOC of each battery cell enters a same state.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: January 17, 2023
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
    Inventors: Lei Peng, Guangyu Xu, Shichang Zhang, Shichao Li
  • Patent number: 11522391
    Abstract: A method for detecting objects in a charging area of a wireless charging transmitter includes providing a bridge circuit that generates a ping signal, and providing the ping signal to a transmitter terminal. The method further includes monitoring at least one of a current of a power supply connected to the bridge circuit, and a current at the transmitter terminal to determine if an eligible object is in the charging area. The ping signal has parameters including frequency, duty cycle, and phase shift angle, where at least one of these parameters varies with time.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: December 6, 2022
    Assignee: NXP USA, Inc.
    Inventors: Gang Li, Ping Zhao, Fei Chen
  • Patent number: 11509149
    Abstract: A modular device charging station connectible to a power source through a cable includes an input endcap defining a power connector slot and a plurality of input locator pins in a predefined layout. A cradle body is defined by a device receptacle, with an input side having a power connector socket connectible to the cable and defining one or more input side locator holes receptively engageable with the input locator pins. An output side A pass-through power connector plug and a plurality of output locator pins in the predefined layout are on an output side. A terminating endcap defines a plug pocket and a plurality of terminating-side locator holes in the predefined layout receptively engageable with the output locator pins. A charging circuit with a power signal input is connected to the power connector socket, and the pass-through power connector plug is electrically connected to the power connector socket.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 22, 2022
    Assignee: Scosche Industries, Inc.
    Inventors: Yasuhiro Yamamoto, Mark Larson, Vince Alves
  • Patent number: 11502547
    Abstract: A wireless electrical energy transmission system is provided. The system comprises a wireless transmission base configured to wirelessly transmit electrical energy or data via near field magnetic coupling to a receiving antenna configured within an electronic device. The wireless electrical energy transmission system is configured with at least one transmitting antenna and a transmitting electrical circuit positioned within the transmission base. The transmission base is configured so that at least one electronic device can be wirelessly electrically charged or powered by positioning the at least one device external and adjacent to the transmission base.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: November 15, 2022
    Assignee: NuCurrent, Inc.
    Inventors: Alberto Peralta, Md. Nazmul Alam, Ajit Rajagopalan, Jacob D. Babcock, Christine A. Frysz, Vinit Singh
  • Patent number: 11495846
    Abstract: A secondary aggregate battery with spatial separation of operation temperatures is provided, including: a housing, wherein a plurality of secondary battery packs and a charge balancing system connected to the secondary battery packs are disposed in the housing. The charge balancing system includes a battery state detection unit and a heat dissipation component. The housing includes a heat dissipation chamber and an accommodation chamber separated by a partition. The heat dissipation chamber accommodates the heat dissipation component, and the accommodation chamber accommodates the secondary battery packs and the battery state detection unit such that the temperature of the heat dissipation component is isolated by the independent chamber to prevent the operation temperature of the heat dissipation component affects the normal operation of the secondary battery packs.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: November 8, 2022
    Inventor: Donald P. H. Wu
  • Patent number: 11489368
    Abstract: An electronic device includes a controller to receive a signal from an external electronic device, and, based at least in part on the received signal, identify a wireless power scheme among at least two wireless power schemes. During the transmission mode, the controller controls the full bridge circuit to convert DC power to AC power based on a wireless power frequency corresponding to the identified wireless power scheme by controlling at least one transistor of the full bridge circuit, and controls to wirelessly transmit power based on the AC power to the external electronic device. During the reception mode, the controller controls to receive power from the external electronic device, controls the full bridge circuit to convert the received power to DC power by controlling transistors of the full bridge circuit, and controls to provide the converted DC power for the battery of the electronic device.
    Type: Grant
    Filed: August 20, 2019
    Date of Patent: November 1, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung-Ku Yeo, Dong-Zo Kim, Bong-Chul Kim, Yu-Su Kim
  • Patent number: 11451081
    Abstract: A charging device supporting PD (Power Delivery) includes a bridge rectifier, a first capacitor, a transformer, a power switch element, an output stage circuit, a feedback compensation circuit, a PWM (Pulse Width Modulation) IC (Integrated Circuit), a discharging circuit, and a controller. The bridge rectifier generates a rectified voltage according to a first input voltage and a second input voltage. The transformer includes a main coil and a secondary coil. The main coil receives the rectified voltage, and the secondary coil generates an induced voltage. The output stage circuit generates an output voltage according to the induced voltage and a first control voltage. The controller generates the first control voltage and a second control voltage according to the output voltage. The discharging circuit selectively reduces the voltage level of the output voltage according to the second control voltage.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: September 20, 2022
    Assignee: ACER INCORPORATED
    Inventor: Tzu-Tseng Chan
  • Patent number: 11451077
    Abstract: An electronic equipment, a charger and a charging method are provided. The charging method includes that: a processor determines a type of a charger coupled with a physical charging interface through a communication control chip; when the charger is a preset charger, the processor sets a direct charging control switch into an ON state, and controls the charger to perform charging according to a first charging mode; and when the charger is not the preset charger, the processor sets the direct charging control switch into an OFF state, and performs charging through charging chips according to a second charging mode.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 20, 2022
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventors: Wei Sun, Zhenfei Lei, Xiangdong Wang
  • Patent number: 11431262
    Abstract: A system (10) for converting power comprising a plurality of modules (14) connected in series and having each at least one DC power source. Storage devices (18) are provided with each module (14) to store power from the power source and voltage control circuitry (19) in each module (14) connects the storage device between a maximum module voltage, a minimum module voltage to create a stepwise approximation of a mains signal. A compensator unit (20) is provided in series with the modules (14) including a storage device charged by the power sources. While each of the modules (14) is supplying either its maximum or minimum voltage to the system a control unit ramps up or down the voltage between the input and output of the compensator unit (20) to follow the desired AC signal.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: August 30, 2022
    Inventors: Kevin Stephen Davies, Alexander Philip Davies
  • Patent number: 11420521
    Abstract: A method of operating a battery system for providing electric energy to a vehicle. Sensor signals representing physical quantities of individual cells and/or individual modules of at least one battery of the battery system are generated. The sensor signals are transferred to a first and a second system controller. Both the first and second system controller evaluates the sensor signals and controls the battery system, depending on corresponding evaluation results. The first system controller is operated in combination with a first monitoring device and the second system controller is operated in combination with a second monitoring device. The first monitoring device monitors an operation of the second system controller and the second monitoring device monitors an operation of the first system controller. Depending on monitoring results of the first monitoring device and of the second monitoring device, the battery system is controlled.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: August 23, 2022
    Assignee: Bombardier Transportation GmbH
    Inventor: Rolf Müller
  • Patent number: 11368040
    Abstract: A power supply system includes a high voltage battery, a first DCDC converter connected to the high voltage battery, a low voltage lead battery configured to be charged from the high voltage battery via the first DCDC converter, a low voltage lithium battery connected to a low voltage power supply circuit, the low voltage lead battery, and a load, a second DCDC converter connected to the low voltage power supply circuit and disposed between the low voltage lead battery and the low voltage lithium battery, a bypass circuit connected to the low voltage power supply circuit to bypass the second DCDC converter, and a control device configured to watch the low voltage lithium battery and control on/off of a switch unit provided in the bypass circuit.
    Type: Grant
    Filed: July 17, 2020
    Date of Patent: June 21, 2022
    Assignee: YAZAKI CORPORATION
    Inventors: Masashi Nakamura, Kazuki Kato, Akiyoshi Kanazawa, Satoshi Enomoto
  • Patent number: 11349325
    Abstract: A pulse controlled charging method for higher temperature charging in addition to the current-reducing operation at ambient temperature. A specific software control strategy for these purposes is proposed, which can be divided into two parts, (a) two-stage charging current control at ambient temperature, which sets different current-limiting transient points for chargers with different outputs; (b) high-temperature pulse charging, which utilizes an internal NTC (Negative temperature coefficient) thermistor inside the charger to detect the internal temperature of the charger, if the temperature exceeds a pre-determined value, the charging process will be stopped for a period of time to avoid the temperature of the charger becoming too high.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: May 31, 2022
    Assignee: PHIHONG TECHNOLOGY CO., LTD.
    Inventors: Ming-Huang Hung, Mu-Hsun Chen, Chien-Nan Chen, Yu-Sheng Yeh, Po-Chi Hung
  • Patent number: 11349327
    Abstract: An embodiment of the present invention is directed to providing an apparatus and a control method for a battery management system (BMS) that may operate in an optimal charging temperature range to suppress deterioration of battery cells during rapid charging of a secondary battery that requires a high charging current.
    Type: Grant
    Filed: May 14, 2020
    Date of Patent: May 31, 2022
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Yong Hee Lee, Jae Yun Min, Ju Young Choi
  • Patent number: 11336107
    Abstract: [Object] To achieve both prevention of overcharging of the battery and convenience of the user. [Solution] An information processing device includes: a charged capacity detection unit configured to detect a charged capacity of a battery; a charging control unit configured to control a charging circuit; and a specification unit configured to specify when discharge of the battery starts. The charging control unit performs charging suppression control on the charging circuit such that the battery is charged to a preparatorily charged capacity that is lower than a fully charged capacity of the battery, on the basis of the charged capacity detected by the charged capacity detection unit, the charging of the battery stops when the charged capacity of the battery reaches the preparatorily charged capacity, and the charging of the battery restarts from the preparatorily charged capacity before discharge of the battery starts.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: May 17, 2022
    Assignee: SONY CORPORATION
    Inventors: Tomoo Mizukami, Atsuo Suzuki, Yuumi Ozawa, Ryo Nakagawa, Shota Kawarazaki, Masahiko Naito, Kazuyuki Saga, Naoyuki Itakura, Tomohiko Sato, Masashi Kokubo, Daisuke Sakai
  • Patent number: 11322967
    Abstract: A control device for controlling discharging of a rechargeable battery, the control device being configured to: determine the voltage of the battery during discharging of the battery, stop discharging, when the determined voltage falls below a first predetermined lower voltage limit, determine the voltage of the battery after stopping discharging, determine the voltage difference between the first predetermined lower voltage limit and the determined voltage of the battery after stopping discharging, and continue discharging, when the determined voltage difference exceeds a predetermined threshold. A corresponding method controls discharging of a rechargeable battery.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: May 3, 2022
    Assignee: TOYOTA MOTOR EUROPE
    Inventors: Keita Komiyama, Yuki Katoh
  • Patent number: 11312251
    Abstract: The present application relates to the field of automotive technologies, and provides an electric vehicle wireless charging method, an apparatus, and a system. A wireless charging station can charge an electric vehicle according to a charging request of the electric vehicle and charging permission of the electric vehicle prestored on the wireless charging station, so that resources of the wireless charging station are maximally used, and resource waste of the wireless charging station is avoided.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: April 26, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yingtao Li, Pinghua Wang, Zhixian Wu