Patents Examined by Arun C Williams
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Patent number: 11462931Abstract: A charging method and a charging apparatus are provided. The method includes the following. A battery is charged in a constant current stage until a voltage of the battery reaches a first voltage, where the first voltage is a charging cut-off voltage corresponding to the constant current stage. When the voltage of the battery reaches the first voltage, the battery is charged in a constant voltage stage by applying a second voltage to the battery, where the second voltage is lower than the first voltage.Type: GrantFiled: August 3, 2020Date of Patent: October 4, 2022Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: Xin Yang
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Patent number: 11462940Abstract: Disclosed is a system for drone-based recharging of a VR/AR wearable assembly. A system is disclosed comprising a wireless charging device; a wearable assembly; a light field capture VR/AR device comprising a first charging surface and a second connective surface, the first charging surface configured to be positioned on the wireless charging device, the second connective surface configured to be communicatively coupled to the wearable assembly; and a drone device including a network interface, the drone device configured to: receive notifications from the light field capture VR/AR device, the notification indicating that the light field capture VR/AR device is fully charged, remove the light field capture VR/AR device from the charging device, and attach the light field capture VR/AR device to the wearable assembly.Type: GrantFiled: July 27, 2020Date of Patent: October 4, 2022Assignee: OTOY, INC.Inventors: Julian Michael Urbach, Clayton C. Sparks, Charles Wallace
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Patent number: 11453304Abstract: A management apparatus manages electric power transfer between a power system and a secondary battery mounted in a vehicle and storing electric power for traveling. The management apparatus includes a storage configured to store an upper limit number of rotations of a rotating machine included in the vehicle, and a controller configured to acquire an integrated number of rotations of the rotating machine that is measured from a start time of a warranty period of the vehicle and to limit electric power transfer between the power system and the secondary battery when the integrated number of rotations is equal to or greater than the upper limit number of rotations.Type: GrantFiled: May 22, 2020Date of Patent: September 27, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Shinichi Yokoyama, Yusaku Amari
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Patent number: 11456611Abstract: A method of managing power and a power management circuit operable in a plurality of modes are presented. The power management circuit includes a three terminals switching converter coupled to a controller. The switching converter has a single inductor, two sets of switches, a bypass switch and a transition switch. The first set of switches is coupled to an input terminal. The second set of switches is coupled to a battery terminal. The bypass switch is coupled between the battery terminal and a load terminal. The single inductor is provided between a first switching node and a second switching node. The transition switch is provided between the first switching node and the battery or the load terminal. A controller is configured to select a mode of operation by changing a state of at least one of the bypass switch and the transition switch.Type: GrantFiled: December 26, 2019Date of Patent: September 27, 2022Assignee: Dialog Semiconductor (UK) LimitedInventors: Pietro Gambetta, Mark Mercer
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Patent number: 11453305Abstract: A vehicle charge system includes: a voltage detection section configured to detect terminal voltage of a storage battery; and a charge control section configured to control charging of the storage battery until the terminal voltage reaches full-charge voltage, while switching between a first charging mode and a second charging mode, on the basis of the terminal voltage. During a period in which the terminal voltage is equal to or lower than first voltage, the charge control section charges the storage battery by the first charging mode. After the terminal voltage has exceeded the first voltage, the charge control section charges the storage battery by the second charging mode. After the terminal voltage has exceeded the first voltage, if the terminal voltage has reduced to be second voltage, the charge control section charges the storage battery by the first charging mode until the terminal voltage is restored to the first voltage.Type: GrantFiled: February 28, 2019Date of Patent: September 27, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Taiki Takemoto
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Patent number: 11448702Abstract: A method for charging a nonaqueous electrolyte secondary battery includes a first charging step of charging a first capacity Q1st at a first constant current value I1st, the first capacity Q1st including a capacity range in which dQSi/dQ is more than or equal to a predetermined threshold value, a second charging step of charging a second capacity at a second constant current value more than the first constant current value, a detection step of acquiring at least one of dV/dQ and dQSi/dQ, and a changing step of changing at least one of the timing of switching between the first charging step and the second charging step and the first constant current value I1st on the basis of a change in time of dV/dQ or dQSi/dQ.Type: GrantFiled: May 20, 2019Date of Patent: September 20, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuto Horiuchi, Taisuke Yamamoto
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Patent number: 11451079Abstract: Apparatuses, systems, and methods are presented for battery charging. A charging connector may connect to power terminals of a battery. A data connector may connect to a battery. A charger controller may read battery data from a battery via a data connector, set a completion threshold based on the battery data, and charge the battery via a charging connector until the completion threshold is satisfied.Type: GrantFiled: July 13, 2020Date of Patent: September 20, 2022Inventors: Adam Gleason, Manti Gleason
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Patent number: 11444478Abstract: A control device includes: a voltage control unit that sequentially switches a command voltage of a direct current-direct current converter between different predetermined measurement voltages to control the command voltage; an obtaining unit that obtains, for each of the measurement voltages, a first terminal voltage of a battery when constant current discharge is performed and a second terminal voltage of the battery when constant current charge is performed; and a correction unit that corrects an SOV-OCV characteristic curve indicating a relationship between the state of charge and an open circuit voltage of the battery, based on a comparison between the first terminal voltages newly obtained by the obtaining unit and the first terminal voltages immediately previously obtained by the obtaining unit and a comparison between the second terminal voltages newly obtained by the obtaining unit and the second terminal voltages immediately previously obtained by the obtaining unit.Type: GrantFiled: August 5, 2020Date of Patent: September 13, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takayuki Akaishi
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Patent number: 11431183Abstract: The battery device includes an energy storage unit, a temperature sensing unit, a storage unit, and a processing unit. The processing unit calculates the internal resistance of the energy storage unit to obtain a first increment corresponding to the internal resistance, and detects the charging voltage that is charging the battery device to obtain a second increment that corresponds to the charging voltage. The processing unit detects the discharging current of the energy storage unit to obtain a third increment corresponding to the discharging current. The processing unit further reads the cycle count from the storage unit to obtain a fourth increment that corresponds to the cycle count, reads the temperature from the temperature sensing unit to obtain a fifth increment that corresponds to the temperature, and determines the swelling rate of the battery device according to the product value of the first, second, third, fourth, and fifth increments.Type: GrantFiled: August 24, 2020Date of Patent: August 30, 2022Assignee: QUANTA COMPUTER INC.Inventor: Wei-Ting Yen
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Patent number: 11431186Abstract: A method may include, in a management controller of an information handling system including a power system configured to provide electrical energy to information handling resources of the information handling system, the power system having a direct-current input power source, a rechargeable energy storage device coupled to and rechargeable from the direct-current input power source, and a charger configured to control recharging of the rechargeable energy storage device from the direct-current input power source: retrieving parameters from one or more registers associated with the rechargeable energy storage device, the parameters including a desired voltage across terminals of the rechargeable energy storage device and a desired current for recharging the rechargeable energy storage device during a constant current mode of a charging cycle of the rechargeable energy storage device and communicating the parameters to the charger such that the charger controls recharging of the rechargeable energy storage deType: GrantFiled: April 24, 2020Date of Patent: August 30, 2022Assignee: Dell Products L.P.Inventors: Chin-Jui Liu, Merle J. Wood, Adolfo S. Montero, Yu-Chi Chin
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Patent number: 11418045Abstract: A portable charger, relating to the field of electric vehicle and having a body comprising a shell, a connecting system and a controller, wherein the controller is arranged inside the shell, the connecting system is arranged on both sides of the shell, a cable placing ring is formed on the side wall of the shell, one side of the cable placing ring is provided with a hook, by arranging the cable placing ring and the hook, cables are twined along the contour of the cable placing ring and placed in the cable placing ring, after the cables are retracted and twined, the cable of the uppermost layer is snap-fitted in the hook, thereby fixing the cables, having simple structure, and reducing the overall occupied space of the charger.Type: GrantFiled: September 24, 2019Date of Patent: August 16, 2022Assignee: NINGBO YOUWELL AUTOPARTS TECHNOLOGY CO.. LTD.Inventor: Yibo Bao
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Patent number: 11411417Abstract: This disclosure generally relates to a battery kiosk that houses and distributes rechargeable batteries for light electric vehicles. The battery kiosk includes various visual indicators that are activated based on the individual's progress with a rechargeable battery exchange process.Type: GrantFiled: October 1, 2020Date of Patent: August 9, 2022Assignee: Neutron Holdings, Inc.Inventors: Michael Steiner, David Krawczyk
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Patent number: 11411533Abstract: A system, method, and solar photovoltaic (PV) network for solar PV variability reduction with reduced time delays and battery storage optimization are described. The system includes a Moving Regression (MR) filter; a State of Charge (SoC) feedback control; and a Battery Energy Storage System (BESS). The MR filter, SoC feedback control and BESS are configured to provide smoothing of solar PV variabilities. The MR filter is a non-parametric smoother that utilizes a machine learning concept of linear regression to smooth out solar PV variations at every time step.Type: GrantFiled: April 5, 2022Date of Patent: August 9, 2022Assignee: King Fahd University of Petroleum and MineralsInventors: Muhammad Khalid, Miswar Akhtar Syed
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Patent number: 11411440Abstract: A transmitter assembly is useful in optimizing the delivery of wireless power to a plurality of receivers. Each receiver measures its own battery need for power and transmits that measurement as a request to the transmitter. The transmitter is configured to normalize and compare battery need requests. The transmitter then allocates pulses of wireless power among the requesting receivers according to their battery need.Type: GrantFiled: June 3, 2019Date of Patent: August 9, 2022Assignee: Ossia Inc.Inventors: Hatem Zeine, Thomas H. Wilson, K. Kenneth Clark
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Patent number: 11404896Abstract: A method for charging a lithium ion battery includes: acquiring a polarization attribute of the lithium ion battery, the polarization attribute including a maximum charging current under which no lithium plating occurs at an anode of the lithium ion battery; determining, according to the polarization attribute, multiple sections of constant charging currents which have current values decreasing sequentially in a sectional charging sequence; charging the lithium ion battery in sections with the multiple sections of constant charging currents respectively, and after charging in each section, leaving the lithium ion battery standing or discharging the lithium ion battery with a preset discharging current less than the maximum charging current; and performing constant-voltage charging with taking a constant-current cut-off voltage as a constant voltage when a voltage of the lithium ion battery reaches the constant-current cut-off voltage.Type: GrantFiled: November 28, 2019Date of Patent: August 2, 2022Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventor: Sihong Du
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Patent number: 11405713Abstract: Headsets of the inventive subject matter are configured to stand freely on an outer surface of an earcup, and they incorporate wireless charging in one or more earcups so that the headset can be wirelessly charged while resting on an outer surface of an earcup. To make this charging configuration possible, one or more holding mechanisms are implemented to couple one or both of the fork bodies (e.g., the structure to which an earcup is coupled) to the headband of a headset. Holding mechanisms of the inventive subject matter prevent the headset from toppling over while charging due to rotation of the headband relative to the earcup that the headset is resting on.Type: GrantFiled: June 19, 2019Date of Patent: August 2, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Darwin Chen, Baron King Lee
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Patent number: 11398744Abstract: A charging method includes: obtaining a first temperature at a preset position on an electronic device when constant-current charging is performed on a battery of the electronic device at a first constant current; in response to that the first temperature exceeds a preset first temperature threshold, obtaining a first voltage currently present at a designated position in the electronic device, and obtaining a second constant current preset in the electronic device; performing first constant-voltage charging on the battery at the first voltage until a charging current during the first constant-voltage charging is changed to the second constant current; and performing the constant-current charging on the battery at the second constant current.Type: GrantFiled: June 5, 2020Date of Patent: July 26, 2022Assignee: Beijing Xiaomi Mobile Software Co., Ltd.Inventors: Changyu Sun, Jie Fan, Zhenfei Lei
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Patent number: 11394212Abstract: Embodiments of the present disclosure disclose a charging method, a terminal and a computer storage medium. The charging method includes: detecting a battery to obtain a battery charging parameter after turning on a fast charging function; determining whether an abnormal charging occurs according to the battery charging parameter; and turning off the fast charging function in response to determining that the abnormal charging occurs.Type: GrantFiled: October 12, 2018Date of Patent: July 19, 2022Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventor: Chen Tian
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Patent number: 11390181Abstract: In an aspect a system for charging from an electric vehicle charger to an electric grid, the system comprising an electric grid, wherein the electric grid is configured to trickle charge the electric vehicle recharging component, an electric vehicle recharging component connected to at least the electric grid, the electric vehicle recharging component comprising, at least a battery storage system, a power delivery station configured to deliver power to an energy source of an electric vehicle, and a computer device, the computer device configured to detect a failure of the electric grid, and power the electric grid in an event of the failure.Type: GrantFiled: July 13, 2021Date of Patent: July 19, 2022Assignee: BETA AIR, LLCInventors: Kyle B. Clark, Vincent Moeykens, Alexander Hoekje List, Herman Wiegman
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Patent number: 11391779Abstract: A battery capacity estimation apparatus including: a battery; a sensing unit connected to the battery to measure an OCV of the battery; an SOC estimation unit connected to the sensing unit to estimate an SOC of the battery using the OCV measured from the sensing unit; a memory unit storing data including the SOC and the OCV of the battery, the memory unit being connected to the SOC estimation unit; and an operation unit connected to the SOC estimation unit and the memory unit, the operation unit being configured to calculate an SOC reduction degree according to a use voltage range change and re-calculate a changed SOC according to a changed use capacity.Type: GrantFiled: September 18, 2018Date of Patent: July 19, 2022Assignee: LG ENERGY SOLUTION, LTD.Inventors: Sung Ju Hong, Dong Hyun Kim, Seog Jin Yoon