Patents Issued in February 20, 2024
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Patent number: 11909191Abstract: An electrical junction apparatus for accessing and sealing electrical connections comprising a housing, a removeable sleeve, and a fastener removably secured to a first portion of the housing that secures the outer sleeve to the housing. A method for accessing electrical connections in an electrical junction apparatus involves loosening a first and second fastener from a first and second portion of a housing respectively, removing a tightener from the first portion of the housing, and removing the sleeve from the housing. A method for sealing electrical connections involves installing a sleeve around a housing, positioning a tightener against the sleeve and the first portion of the housing, engaging a first fastener against the tightener and engaging a second fastener with the second portion of the housing and the sleeve.Type: GrantFiled: March 27, 2023Date of Patent: February 20, 2024Assignee: Power Feed-Thru Systems and Connectors LLCInventors: Brandon Lee Marbach, Roy Lee Kinkaid, James Patrick Payne, Albert George Ollre, V
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Patent number: 11909192Abstract: An electronic module is provided with a housing with an inlet to conduct alternating current (AC) power and an outlet to conduct direct current (DC) power to charge a vehicle battery, the housing defining a cavity. A circuit board assembly is supported within the cavity to convert the AC power to DC power. At least two power distribution wires are connected between the circuit board assembly and the outlet. A base is supported by the housing and extends between the at least two power distribution wires and the circuit board assembly to shield the DC power from electromagnetic interference generated by the circuit board assembly. A plurality of walls extend transversely from the base and are spaced apart from each other to define at least two channels, each channel is sized to receive one of the at least two power distribution wires.Type: GrantFiled: June 8, 2021Date of Patent: February 20, 2024Assignee: LEAR CORPORATIONInventors: Parminder Brar, Michael Scott Duco, Rutunj Rai, Jared Pieknik
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Patent number: 11909193Abstract: A busway joint for coupling two segments of an electrical distribution busway to each other comprising, a busway joint including a plurality of fins, a central body connecting each of the plurality of fins, and a bolt within the central body, wherein the bolt includes a cavity housing a sensor lead and an epoxy potting.Type: GrantFiled: January 29, 2021Date of Patent: February 20, 2024Assignee: Schneider Electric USA, Inc.Inventor: Timothy O'leary
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Patent number: 11909194Abstract: A differential protection device monitors a first object to be protected in an electrical energy supply network. The differential protection device has a measuring unit configured to acquire measurement values at one end of the first object to be protected, a communication unit configured to exchange measurement values with a differential protection device arranged at another end of the first object to be protected, the communication unit has a physical interface for transmitting and receiving the measurement values, and an evaluation unit configured to form a differential value and to generate a fault signal indicating a fault with regard to the first object to be protected if the differential value exceeds a predefined threshold value. Ideally, the differential protection device is configured to monitor further objects to be protected and to exchange respective further measurement values with regard to each further object to be protected.Type: GrantFiled: March 23, 2022Date of Patent: February 20, 2024Assignee: Siemens AktiengesellschaftInventors: Matthias Gross, Torsten Kerger, Sven Krueger-Gramatte, Robert Matussek, Andreas Regenbrecht, Torsten Schumacher
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Patent number: 11909195Abstract: An electronic device having an overcurrent protection function is provided. The electronic device includes at least one power converter, the at least one power converter including a power conversion unit to convert input voltage or input current to supply output current, a control unit to adjust the output current, and an overcurrent protection unit to detect the output current and transmit a detection result to the control unit, and wherein the overcurrent protection unit includes an overcurrent extraction module to output a difference between the output current exceeding designated first reference current and the first reference current; a calculation module to calculate an accumulative value obtained by integrating the difference with respect to time, and a first comparison module to compare the accumulative value with a designated critical value and to transmit a first detection result in which the accumulative value exceeds the critical value to the control unit.Type: GrantFiled: September 1, 2020Date of Patent: February 20, 2024Assignee: Samsung Electronics Co., Ltd.Inventor: Jehwan Lee
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Patent number: 11909196Abstract: A circuit interrupter including a current sensor having a normal sensor output and an over current detection output, a solid state switch module structured to have a closed state to allow current to flow through the circuit interrupter and an open state to interrupt current flowing through the circuit interrupter, a gate driver structured to control the solid state switch module including a desaturation function output, wherein the gate driver is structured to cause the solid state switch module to interrupt current flowing through the circuit interrupter when the DESAT function output changes to the on state, and an electronic trip circuit structured to output a trip signal to the gate driver when the normal sensor output reaches a first threshold level or the overcurrent detection output changes to the on state.Type: GrantFiled: March 14, 2023Date of Patent: February 20, 2024Assignee: EATON INTELLIGENT POWER LIMITEDInventors: Xin Zhou, Brian E. Carlson, Yanjun Feng, Jianyang Liu, Michael Slepian, Andrew L. Gottschalk, Santhosh Kumar Chamarajanagar Govinda Nayaka
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Patent number: 11909197Abstract: A motor drive device includes a reactor, a converter circuit, a capacitor, an inverter circuit, and overcurrent determination units. The converter circuit converts a first AC voltage output from an AC power supply into a DC voltage. The capacitor smooths a second voltage on the DC side of the converter circuit. The inverter circuit converts DC power stored in the capacitor into AC power. One of the overcurrent determination units determines overcurrent based on a detected value of the first AC current, flowing between the AC power supply and the converter circuit. Another overcurrent determination unit determines overcurrent based on a detected value of the second DC current, flowing between the converter circuit and the capacitor. The converter and inverter circuits stop operating when the determination result of one of the overcurrent determination units indicates an overcurrent.Type: GrantFiled: September 28, 2018Date of Patent: February 20, 2024Assignee: Mitsubishi Electric CorporationInventors: Satoru Ichiki, Takuya Shimomugi, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki
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Patent number: 11909198Abstract: The disclosure features systems and methods for protecting transistors of a wireless power receiver. Systems can include a gate driver configured provide a control signal to control switching of the transistor gate such that power is transmitted to a load coupled to the receiver; and a controller coupled to the gate driver and configured to generate a protection signal. The protection signal can include (i) a fault signal indicating a fault in one or more components of the receiver; (ii) a signal indicating that the transistor gate should be latched; and/or (ii) at least one undervoltage signal indicating that an undervoltage condition exists in a power supply of the gate driver. Based on the generated protection signal, the gate driver can be configured to adjust the provided control signal to latch the transistor gate such that power is not transmitted to the load.Type: GrantFiled: January 28, 2021Date of Patent: February 20, 2024Assignee: WiTricity CorporationInventors: Milisav Danilovic, Bryan Esteban
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Patent number: 11909199Abstract: A method may include receiving, by respective processing circuitry of one or more power modules of an industrial automation device, a control signal from a controller of the industrial automation device. The power modules may include driver circuitry and a power converter that may provide power to a motor based on the signal. The method may also include, detecting, by the respective processing circuitry, a lack of communication from the controller based on the signal, and, in response to detecting the lack of communication from the controller, transmitting, by the respective processing circuitry, a first command to gating signal enable circuitry to disable the driver circuitry, and transmitting, by the respective processing circuitry, a second command to driver power circuitry to prevent power from being provided to the driver circuitry.Type: GrantFiled: February 2, 2021Date of Patent: February 20, 2024Assignee: Rockwell Automation Technologies, Inc.Inventors: Al J. Campbell, John David Allan, Marius G. Chis, Reginald A. Drake, Scott D. Braun
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Patent number: 11909200Abstract: An electrical system for a motor vehicle includes a current distributor; a plurality of first lines which are designed to connect a corresponding plurality of electric components to the current distributor; a plurality of semiconductor-based first switch elements, wherein a specified first switch element of a specified first line is designed to interrupt said specified first line; a second line which is designed to connect the current distributor to the electrical system; a limiting unit which is designed to limit or prevent a second current on the second line; and a control unit which is designed to determine that the specified first switch element does not open although a first current running through the specified first switch element exceeds a first current threshold and, in response to said determination, to trigger the limiting unit to limit or prevent the second current on the second line.Type: GrantFiled: July 17, 2020Date of Patent: February 20, 2024Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Joachim Froeschl, Ottmar Sirch
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Patent number: 11909201Abstract: In a multi-terminal DC power transmission system, a common control device is connected to a plurality of individual protective devices via a first communication network. Each of the individual protective devices is configured, when detecting change in current or voltage in a corresponding protection zone, to output a fault signal to the common control device via the first communication network and open the corresponding DC circuit breaker such that the corresponding protection zone is disconnected from the multi-terminal DC power grid and deenergized. The common control device estimates a fault occurrence zone where a fault occurs among a plurality of protection zones, based on a plurality of received fault signals. The common control device requests an individual protective device corresponding to a deenergized protection zone of the protection zones excluding the fault occurrence zone to reclose the DC circuit breaker such that the deenergized protection zone is restored.Type: GrantFiled: February 4, 2020Date of Patent: February 20, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Masahiro Hario, Yasunori Ido, Noriyuki Imada, Keisuke Ishida
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Patent number: 11909202Abstract: This device consists of a housing (1) made of electrically insulating material, in which a fuse (6) is provided with at least one main fuse wire (7) located in its cavity. The main fuse wire (7) is electrically conductively connected at one end to at least one connecting pin (2) which is led out of the housing (1) and at the other end it is electrically conductively connected to at least one terminal (3) located in at least one cavity (4) formed in the housing (1). The shape of the connecting pin (2) is adapted for connection to the protected device.Type: GrantFiled: May 31, 2022Date of Patent: February 20, 2024Assignee: Saltek s.r.o.Inventors: Jaromir Suchy, Martin Cadek
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Patent number: 11909203Abstract: Some embodiments provide a DC power distribution system that includes a plurality of DC sources coupled to a plurality of DC buses via respective protection devices that are configured to selectively cause an open-circuit between the DC source and the respective DC bus in the event of a fault or overload condition on the respective DC bus. The plurality of DC buses are coupled to a load combiner, and the system is configured to supply power in parallel from the DC sources via the plurality of DC buses to at least one DC/DC step-down converter via the load combiner, which combines the power supplied via the plurality of DC buses. The DC buses, load combiner, and the DC power sources are configured such that the total maximum load current is capable of being supplied via less than all of the plurality of DC buses in the event that any one of the DC buses is non-operational.Type: GrantFiled: August 9, 2022Date of Patent: February 20, 2024Assignee: DC Systems B.V.Inventors: Henricus David Stokman, Panagiotis Kolios
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Patent number: 11909204Abstract: A control system may include a direct-current (DC) power bus for charging (e.g., trickle charging) internal energy storage elements in control devices of the control system. For example, the control devices may be motorized window treatments configured to adjust a position of a covering material to control the amount of daylight entering a space. The system may include a DC power supply that may generate a DC voltage on the DC power bus. For example, the DC power bus may extend from the DC power supply around the perimeter of a floor of the building and may be connected to all of the motorized window treatments on the floor (e.g., in a daisy-chain configuration). Wiring the DC power bus in such a manner may dramatically reduce the installation labor and wiring costs of an installation, as well as decreasing the chance of a miswire.Type: GrantFiled: March 4, 2020Date of Patent: February 20, 2024Assignee: Lutron Technology Company LLCInventors: Edward J. Blair, Joseph R. Parks, John H. Bull, Samuel F. Chambers, Stuart W. DeJonge
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Patent number: 11909205Abstract: An apparatus for converting power includes at least one impedance matching network which receives an electrical signal. The apparatus includes at least one AC to DC converter in communication with the impedance matching network. Also disclosed is a method for powering a load and an apparatus for converting power and additional embodiments of an apparatus for converting power.Type: GrantFiled: February 7, 2022Date of Patent: February 20, 2024Assignee: Powercast CorporationInventors: Charles E. Greene, Daniel W. Harrist
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Patent number: 11909206Abstract: In one aspect, a wireless transceiver is used to wirelessly connect various electrohydraulic components in a hydraulic system. In another aspect, a self-powered wireless hydraulic system includes a harvesting device for converting hydraulic energy into electrical energy. The electrical energy generated by the harvesting device can be used to power one or more electrohydraulic components and wireless transceivers. In another aspect, a self-powered wireless hydraulic system also includes a flow control device powered by the harvesting device for actively controlling the hydraulic flow through the harvesting device.Type: GrantFiled: August 9, 2017Date of Patent: February 20, 2024Assignee: DANFOSS A/SInventors: QingHui Yuan, Jeffrey Lowinger
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Patent number: 11909207Abstract: A method and system are provided for improving predictions of electrical power usage. In the method and system, load and/or environmental data is classified into data sets that correspond to different modes of operation of an electrical load. Different predictive models are also provided for each set of classified data. The predictive models may provide more efficient and/or more accurate predictions of power usage since each model is limited to a particular mode of operation.Type: GrantFiled: March 10, 2021Date of Patent: February 20, 2024Assignee: ABB SCHWEIZ AGInventors: Joseph Carr, Alexander Brissette
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Patent number: 11909208Abstract: A method and apparatus for estimating capacity of a system including an energy generation system, an energy storage system or both. The method and apparatus initially estimate the system capacity based on a facility location and size. The initial estimate may be adjusted through adjustment of at least one parameter. An updated capacity estimate is generated and displayed.Type: GrantFiled: June 18, 2021Date of Patent: February 20, 2024Assignee: Enphase Energy, Inc.Inventors: Ayyapu Reddy Pallam, Sandeep Chandran, Rishabh Goel, Samuel Mattathil Joseph, Sumit Saraogi, Ashish Bansal, Jayant Somani, Badrinarayanan Kothandaraman, Ankit Prakash Gupta, Jan Spencer Rosen
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Patent number: 11909209Abstract: A method of providing power, via a plurality of power control systems, includes forming, by at least two power control systems from among the plurality of power control systems, a power network and defining, by each power control system of the power network, a power allocation schedule for a power cycle using a dynamic load scheduling model. The power allocation schedule identifies one or more designated power control systems from among the at least two of the power control systems to provide power to a load during the power cycle. For at least portion of the power cycle, the method includes providing power to the load by the one or more designated power control systems of the power network based on the power allocation schedule.Type: GrantFiled: January 30, 2023Date of Patent: February 20, 2024Assignee: WATLOW ELECTRIC MANUFACTURING COMPANYInventor: Philip S. Schmidt
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Patent number: 11909210Abstract: The present disclosure relates to systems and methods for optimizing resource operations within an energy network. The systems and methods can include retrieving historical interval meter data, profile data, and a curtailment plan, determining, using the historical interval meter data, estimated annual deviation of a customer's load based on average interval load divided by peak load over a given period, calculating a load curtailment for the customer based on the historical interval meter data, the profile data, the curtailment plan, and the estimated annual deviation of the customer's load, and building a report, using the load curtailment, indicating a resource commitment capability for the customer to help inform market participation and operational decision making for load curtailment and distributed energy resources (DER).Type: GrantFiled: October 30, 2020Date of Patent: February 20, 2024Assignee: Enerwise Global Technologies, LLCInventors: Kyle Harbaugh, Yanchun Wang, Peter Bergeron, Ryan Keperling
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Patent number: 11909211Abstract: An apparatus, computer program, storage medium and electrical energy storage system for operating an electrical energy storage unit. The procedure includes ascertaining at least one predefined first condition being checked which represents a use of the electrical energy storage unit and/or an accuracy of a mathematical model of the electrical energy storage unit. If the predefined first condition is satisfied, at least one value of a parameter of the mathematical model is ascertained and subsequently this parameter value is changed in the mathematical model. The electrical energy storage unit is subsequently operated with the changed mathematical model.Type: GrantFiled: July 31, 2020Date of Patent: February 20, 2024Assignee: Robert Bosch GmbHInventors: Girish Yergol, Christel Sarfert, Vincent Scharff
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Patent number: 11909212Abstract: A hydrogen-system control device according to the present embodiment is a hydrogen-system control device that controls a hydrogen system. The hydrogen-system control device includes an acquirer configured to acquire a predicted value of the first power for a time period for which an amount of the second power to be received has been set, and a controller configured to cause the hydrogen system to additionally produce hydrogen in an amount corresponding to a usage ratio of surplus power by which a supplied value of the first power exceeds the predicted value of the first power, wherein the controller sets the usage ratio for a first time period within a predetermined time period to a value larger than the usage ratio for a second time period that is after the first time period and within the predetermined time period.Type: GrantFiled: June 11, 2021Date of Patent: February 20, 2024Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Shingo Tamaru, Takashi Akiba, Fumiyuki Yamane, Shin Kato
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Patent number: 11909213Abstract: An energy storage system includes an energy storage device that stores energy generated from a new and renewable energy power plant, a power management device that monitors an amount of power of the new and renewable energy power plant, determines an operation mode of the energy storage device based on a result of monitoring a reference capacity of a line connected to the new and renewable energy plant and the amount of power, and controls a power capacity flowing through the line according to the operation mode, and a power conversion device that receives a command corresponding to the operation mode from the power management device and controls an operation of the energy storage device according to the command.Type: GrantFiled: September 7, 2023Date of Patent: February 20, 2024Assignee: EN TECHNOLOGIES INC.Inventors: Hyun Jae Kang, Seung Sig Nam, Tay Seek Lee, Seong Ho Yun, Hee Se Hong
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Patent number: 11909214Abstract: The present disclosure relates to the field of electric power system, and more particularly to a topology of a series-connected MMC with a small number of modules, where the topology is composed of a three-phase bridge circuit, half-bridge valve strings, a three-phase filter inductor, and a three-phase grid frequency transformer. The topology of a series-connected MMC with a small number of modules in the present disclosure needs only two half-bridge valve strings, thus greatly reducing the number of the submodules as compared with the conventional MMC structure. When achieving the same high DC voltage output, the present disclosure can improve the power density of the MMC, realize stable three-phase AC output voltage, and further achieve balance of capacitor voltages in the two half-bridge valve strings.Type: GrantFiled: May 7, 2021Date of Patent: February 20, 2024Assignee: SOUTHEAST UNIVERSITYInventors: Wu Chen, Liangcai Shu, Haozhe Jin, Xiaokun He
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Patent number: 11909215Abstract: A method of operating a computer device includes obtaining measurements of one or more conditions of a power grid component associated with the computer device. The computer device forecasts a future state of the one or more conditions of the power grid component associated with the computer device. The computer device communicates with other computer devices associated with other power grid components to negotiate a behavior of the power grid component associated with the computer device using the forecast.Type: GrantFiled: July 5, 2019Date of Patent: February 20, 2024Assignee: Hitachi Energy LtdInventors: Karl Eric Harper, Mithun P. Acharya, Karen J. Smiley
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Patent number: 11909216Abstract: Disclosed is a signal measurement method for an energy storage and frequency modulation system. An energy management system consisting of a microgrid controller, an energy management server, a workstation, and a network device is provided. The beneficial effects of the present invention are: a high-voltage auxiliary transformer based on an energy storage system connected to a power plant is used as the auxiliary output device of a generator set to satisfy the requirements of auxiliary frequency regulation, improve the response index Kp value of a power plant set to a dispatch AGC instruction, implement the sending and receiving of a signal after the energy storage system is connected, and achieves the goal of frequency modulation operation of an auxiliary energy storage set without greatly transforming an RTU.Type: GrantFiled: November 6, 2019Date of Patent: February 20, 2024Assignee: OPTIM (SHANGHAI) NEW ENERGY CO., LTD.Inventors: Dehua Shang, Wei Jia
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Patent number: 11909217Abstract: The present disclosure discloses an energy storage system. The energy storage system includes M cell strings, N energy storage converters, first ends of the N energy storage converters are coupled to at least one of the M cell strings, and second ends of the N energy storage converters are configured to connect to a power grid. A first end of a first energy storage converter is coupled to Q cell strings in the M cell strings, and the first energy storage converter includes a DC/AC conversion unit and at least one DC/DC conversion unit. A first DC/DC conversion unit is coupled to at least one of the Q cell strings by using the first end of the first energy storage converter, the first DC/DC conversion unit is coupled to the DC/AC conversion unit, and the DC/AC conversion unit is coupled to the power grid by using a second end of the first energy storage converter. The first DC/DC conversion unit is configured to perform adaptation between a voltage of the DC/AC conversion unit and a voltage of a cell string.Type: GrantFiled: September 17, 2021Date of Patent: February 20, 2024Assignee: Huawei Technologies Co., Ltd.Inventors: Yanzhong Zhang, Xun Wang
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Patent number: 11909218Abstract: In this disclosure, the energy management problem of the D-IEGS with FFR is analyzed, so as to enhance the frequency stability of the main grid. The post-disturbance frequency response behaviors of both the main grid and the D-IEGS are precisely depicted, where the dead zones, limiting ranges and time constant of the governors are considered. The frequency regulation units of the D-IEGS include GTs and P2G units, whose impacts of providing frequency regulation service on the gas networks are quantified. Considering the time-scale similarity of the frequency dynamics and the dynamics of the GDN, the gas flow dynamics model is adopted. The frequency response dynamics of the GTs and P2G units, and the gas flow dynamics of the GDN, a variable-step difference scheme and a binary variable reduction method are devised.Type: GrantFiled: July 17, 2023Date of Patent: February 20, 2024Inventors: Cheng Wang, Tianshu Bi, Guoyi Xu, Rui Zhang
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Patent number: 11909219Abstract: A device for wirelessly charging electronics, the device comprising a housing, at least one writing instrument disposed in the housing, a power transmitter disposed inside or formed on the housing, the power transmitter being configured to transmit power for charging electronics, and a battery disposed inside or embedded in the housing, the battery being configured to provide power to the power transmitter to transmit the power.Type: GrantFiled: December 8, 2020Date of Patent: February 20, 2024Assignee: Société BicInventors: Steven A. Burkhart, Loïc Folgoas
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Patent number: 11909220Abstract: A wireless power device is presented that avoids transmit conflicts. The device can include a rectifier circuit coupled to a coil; a transmit driver coupled to the rectifier circuit; a transmit detect circuit configured to detect receipt of transmitted wireless power at the coil; and a controller coupled to the transmit driver and the transmit detect circuit, the controller receiving a signal from the transmit detect circuit and providing an alert of the presence of the transmitted wireless power, the controller activating the transmit driver to transmit wireless power in absence of the signal. The wireless device can determine an operating mode and in a transmit mode determine presence of a received power. If received power is detected an alert can be provided and an off state initiated. If transmit power is not detected the transmit driver can be activated.Type: GrantFiled: December 10, 2019Date of Patent: February 20, 2024Assignee: Integrated Device Technology, Inc.Inventors: Nicholaus Smith, Chan Young Jeong, Detelin Martchovsky, Ashley DeWolfe, Damla Acar
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Patent number: 11909221Abstract: A device for wireless transmission of electrical energy to an energy receiver, including a support surface, on which the energy receiver is arranged during energy transmission. The device includes an induction coil for transmitting electrical energy and an air duct extending within the device from an opening formed in the support surface into the device. The opening is arranged over the induction coil. The air duct is routed through a winding of the induction coil, which is preferably arranged directly under the support surface. Advantageously, the support surface is essentially rectangular, and the opening is formed on or at least close to a longitudinal axis of the support surface and is formed at a distance from an edge of the support surface. At least one projection is formed on the support surface for holding the receiving unit at a distance from the support surface so that air conducted into the air duct can better flow underneath.Type: GrantFiled: December 3, 2020Date of Patent: February 20, 2024Assignee: PARAGON GMBH & CO. KGAAInventors: Ralf Burdenski, Wolfgang Sauer
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Patent number: 11909222Abstract: A device for a wireless power transfer system includes a housing and a conductor wire forming a coil arranged in the housing. The coil has a first topology. The conductor wire is rearrangeable such that the coil is given a second topology instead of the first topology. The first topology and the second topology are different from each other.Type: GrantFiled: March 6, 2021Date of Patent: February 20, 2024Assignee: Ningbo Geely Automobile Rese arch & Dev. Co., Ltd.Inventors: Alexander Berggren, Gabriel Samuelsson
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Patent number: 11909223Abstract: An over-voltage protection circuit and methods of operation are provided. In one embodiment, a method includes monitoring a voltage at an output of a rectifier, a voltage at an output of a voltage regulator, or a combination thereof. The method further includes determining the over-voltage condition based on the monitoring; and in response to determining the over-voltage condition, regulating the voltage at the output of the rectifier in accordance with a voltage difference between the voltage at the output of the rectifier and the voltage at the output of the voltage regulator.Type: GrantFiled: January 23, 2023Date of Patent: February 20, 2024Assignee: STMicroelectronics Asia Pacific Pte Ltd.Inventor: Yannick Guedon
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Patent number: 11909224Abstract: A wireless optical power transmission system comprising a transmitter and receiver, the transmitter comprising a laser emitting a beam, a scanning mirror for steering the beam towards said receiver and a control unit receiving signals from a detection unit on the receiver and controlling the beam power and the scanning mirror. The receiver has a photovoltaic cell having a bandgap energy of 0.75-1.2 e V, with a plurality of conductors on abeam receiving surface. A cover layer of material blocking illumination of wavelengths outside that of the laser, is disposed on the photovoltaic cell. The cover layer may have anti-reflective coatings on its top and bottom surfaces. The detection unit thus generates a signal representing the power of the laser beam impinging upon the receiver, independent of illuminations other than that of said laser beam. The control unit thus can maintain the laser power impinging on the receiver.Type: GrantFiled: March 20, 2020Date of Patent: February 20, 2024Assignee: Wi-Charge Ltd.Inventors: Ortal Alpert, Ori Refael Mor, Lior Golan, Ran Sagi, Eyal Conforti
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Patent number: 11909225Abstract: A wireless charging transmitter includes at least two transmit coils and at least two transmit circuit units; wherein the at least two transmit coils are configured to simultaneously transmit electric energy to an external receive coil, the at least two transmit coils are coupled such that orientations of magnetic fields generated by currents on the at least two transmit coils are not parallel and form a first angle, a coupling coefficient between the at least two transmit coils is less than a predetermined threshold and each of the transmit circuit units is electrically connected to each of the transmit coils and configured to supply a current to the transmit coil. Therefore, the current on each of the transmit coils in the wireless charging transmitter generates a corresponding magnetic field.Type: GrantFiled: June 30, 2021Date of Patent: February 20, 2024Assignee: Halo Microelectronics Co., Ltd.Inventors: Yueguo Hao, Songnan Yang
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Patent number: 11909226Abstract: This disclosure provides systems, devices, apparatus and methods, including computer programs encoded on storage media, for a wireless power transmission apparatus that supports charging of one or more wireless power receiving apparatuses. The wireless power transmission apparatus may include multiple primary coils organized in groups (referred to as zones). Each zone may have a local controller for managing operation of one primary coil in the zone at a time. A master controller may selectively couple the primary coils to the local controllers. When a first primary coil is coupled to the local controller for a zone, the other primary coils in that zone may be disabled. The master controller may manage which primary coils from neighboring zones are coupled to their respective local controllers. Thus, when the first primary coil is activated, the adjacent primary coils (near the first primary coil) can be muted or disabled to mitigate undesirable interference.Type: GrantFiled: May 20, 2020Date of Patent: February 20, 2024Assignee: General Electric CompanyInventors: Rupam Basak, Jayanti Ganesh, Viswanathan Kanakasabai, Suma Memana Narayana Bhat, Subbarao Tatikonda
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Power transmitting apparatus, power receiving apparatus, control method therefor, and storage medium
Patent number: 11909227Abstract: A power transmitting apparatus sets, on the basis of transmission power set with the power receiving apparatus, a first threshold for determining whether or not a foreign object exist, and a second threshold lower than the first threshold. The first and second threshold are set so that the difference between the first and second threshold values becomes larger as the set transmission power becomes larger. The power transmitting apparatus determines: that a foreign object exists in a case where the power loss is greater than the first threshold; that a foreign object does not exist in a case where the power loss is less than the second threshold; and that there is a possibility of a foreign object existing in a case where the power loss is between the first threshold and the second threshold.Type: GrantFiled: June 8, 2022Date of Patent: February 20, 2024Assignee: Canon Kabushiki KaishaInventor: Takahiro Shichino -
Patent number: 11909228Abstract: This application provides a foreign object detection method and apparatus, and a wireless charging system. The foreign object detection apparatus includes a coil array and a foreign object detection circuit. The coil array includes at least one coil group, and each coil group includes four detection coils whose locations are symmetrical to each other. The foreign object detection circuit determine an abnormal-value threshold of each coil group based on induction signals of each coil group and that are obtained in a first time period, and detect, based on the abnormal-value threshold and the induction signals of each coil group, whether there is a foreign object; when it is determined that there is no foreign object, detect, based on the signal threshold of each coil group and induction signals that are of each coil group and that are obtained in a second time period, whether there is a foreign object.Type: GrantFiled: June 27, 2022Date of Patent: February 20, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chunsen Tang, Zhihui Wang, Yaoyi Wang, Pengfei Bai, Zhenzhen Wang, Jiakai Cao, Wei Kuang, Zhixian Wu
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Patent number: 11909229Abstract: A wireless power transmission system includes: an electrical energy-receiving oscillation circuit including an electrical energy-receiving coil L2 and a compensation capacitor C2 connected in series, the electrical energy-receiving coil L2 sensing an alternating magnetic field and generating an induction current accordingly; a rectifier circuit connected to two ends of the electrical energy-receiving oscillation circuit; and a modulation circuit including multiple modulation sub-circuits, each of the modulation sub-circuits being separately connected to the electrical energy-receiving oscillation circuit, and the modulation circuit receiving a drive signal used to select a modulation sub-circuit matching a power level of a load of the wireless power transmission receiving circuit to operate, and the modulation sub-circuits receive, during a communication process, a communication signal and load the communication signal on a carrier signal to perform modulation.Type: GrantFiled: December 5, 2019Date of Patent: February 20, 2024Assignees: GUANGDONG MIDEA WHITE HOME APPLIANCE TECHNOLOGY INNOVATION CENTER CO., LTD., MIDEA GROUP CO., LTD.Inventors: Shouliang Gu, Kunren Yin, Yuanyang Zuo, Sanying Yu, Junfeng Hou
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Patent number: 11909230Abstract: The wearable article (11) comprises a power source (111) and a processor (112). The processor (112) determines whether a power transfer condition is satisfied. In response, the processor (112) is arranged to control the wearable article (11) to transfer power from the power source (111) to an electrical load of an external apparatus. The wearable article (11) may comprise an interface element (114) for forming an electrical connection with the externa apparatus. The wearable article (11) may comprise a power transmitter (113) for beaming electromagnetic energy to the external apparatus. The wearable article (11) may be a garment.Type: GrantFiled: October 28, 2020Date of Patent: February 20, 2024Assignee: Prevayl Innovations LimitedInventor: Tahir Mahmood
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Patent number: 11909231Abstract: A charging pad includes a side surface on which a charged terminal device is to be placed face to face. The side surface includes a protruding flat surface portion that is raised from a peripheral edge portion, a power transfer coil that is incorporated in a raised region of the protruding flat surface portion, and a holding mechanism that allows the charged terminal device at a predetermined position with respect to the power transfer coil.Type: GrantFiled: June 22, 2022Date of Patent: February 20, 2024Assignee: Prime Planet Energy & Solutions, Inc.Inventors: Atsushi Sugihara, Shizuka Masuoka, Kodai Nagano
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Patent number: 11909232Abstract: Disclosed herein is a system comprising: a power source apparatus; a first device and a second device associated with a user; and a server computer. The second device couples to the power source apparatus. The power source provides status information to the first device. The first device sends a communication to the power source apparatus via an application operating on the first device, wherein the communication provides a charging instruction to the power source device and the instruction is based on the status information received from the power source. The power source apparatus charges the second device based on the charging instruction received at the power source apparatus from the first device. The server communicates with the first device to maintain a database relating to at least one of the power source apparatus and the second device and comprising status information.Type: GrantFiled: May 4, 2021Date of Patent: February 20, 2024Assignee: Arroe LimitedInventors: Eoin Cooney, Niall McGuinness
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Patent number: 11909233Abstract: A disconnection detection device includes CR filters, discharge circuits, and a detection unit. The CR filters are provided for respective battery cells of a battery pack in which the battery cells are connected in series. Each of the discharge circuits is connected between the battery cell and the CR filter and discharging the battery cell when cell voltages of the battery cells are made balanced. The detection unit successively discharges two of the battery cells connected in series, successively detects voltages of detection lines detecting contact voltages of the two battery cells after a predetermined time has passed from finish of discharge of each of the battery cells, and detects disconnection of each of the detection lines on the basis of a difference between the two detected voltages.Type: GrantFiled: November 6, 2019Date of Patent: February 20, 2024Assignee: DENSO TEN LimitedInventors: Shigeyuki Tanaka, Toyoshige Nakamura
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Patent number: 11909234Abstract: The present invention relates to a method for recharging an energy store (102) used to drive a power semiconductor switch (100), wherein the energy store (102) and the power semiconductor switch (100) are at the same potential, wherein a switching state of the power semiconductor switch (100) is effected by a controller (204, 712), wherein the controller (204) assigns a respective potential value to the energy store (102) at a respective switching state (202) and wherein, by driving at least one charging switch (112, 114, 122, 132, 142, 152), charging of the energy store (102) is activated as soon as the potential value of the energy store (102) corresponds to a ground potential of a supply voltage (106, 216).Type: GrantFiled: March 1, 2018Date of Patent: February 20, 2024Assignee: Dr. Ing. h. c. F. Porsche AGInventor: Stefan Goetz
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Patent number: 11909235Abstract: Methods and apparatus for providing indications of shutdown states for handheld barcode scanners are disclosed herein. An example handheld barcode scanner includes a power source, a power source monitor, an indicator, and a processor disposed inside a housing. The power source monitor is configured to detect whether the power source has reached a pre-determined amount of discharge at which the internal power source is to be shut down to prevent damage. The processor configured to, when the internal power source has reached the pre-determined amount of discharge: configure the indicator to provide, while the internal power source is in the shutdown state, an indication that the internal power source is shutdown, and configure the internal power source into the shutdown state such that an image sensor, an indicia decoder, and the processor are de-energized.Type: GrantFiled: February 14, 2022Date of Patent: February 20, 2024Assignee: Zebra Technologies CorporationInventors: Christopher P. Klicpera, Edward Barkan
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Patent number: 11909236Abstract: An electrical apparatus includes first and second battery interfaces disposed on a housing for electrically and mechanically connecting first and second battery packs in series. A controller is disposed within the housing and includes an apparatus microprocessor that receives first and second communication signals respectively outputted from respective microprocessors of the first and second battery packs. A first signal communication path communicates the first communication signal from the first battery pack microprocessor to the apparatus microprocessor by shifting a first voltage range of the first communication signal to a second voltage range that is suitable for inputting into the apparatus microprocessor.Type: GrantFiled: April 3, 2023Date of Patent: February 20, 2024Assignee: MAKITA CORPORATIONInventors: Tomoyuki Ota, Kiyoshi Nishibe, Hitoshi Suzuki
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Patent number: 11909237Abstract: The present disclosure relates to a battery module (300) comprising a first charging terminal (203) and a second charging terminal (204) for connecting the battery module to an external power source (250) or a load (350). The battery module includes a battery cell arrangement (210) which has a maximum charge voltage and has a first terminal (201) and a second terminal (202). The first terminal (201) is connected to the first charging terminal (203). The battery module includes also a switch arrangement including at least a first switching device (240) connected between the second terminal (202) of the battery cell arrangement and the second charging terminal (204). The first switching device is operable to switch to a current passing state for discharging the battery module. The battery module also includes a controller (220) configured to control operation of the switch arrangement.Type: GrantFiled: February 22, 2019Date of Patent: February 20, 2024Assignee: POLARIUM ENERGY SOLUTIONS ABInventor: Andreas Dunge
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Patent number: 11909238Abstract: A smart ring charging system comprises a charging source integrated into an object, the object configured to be held by a user wearing a smart ring. The smart ring may include a ring-shaped housing and a power source disposed within or at the ring-shaped housing and configured to receive energy from the charging source while the user is wearing the smart ring and holding the object. A controller may be disposed within or at the ring-shaped housing, or at the object with the charger and configured to estimate a charging rate at which the power source receives the energy from the charging source. The system may further include one or more indicators configured to indicate the charging rate.Type: GrantFiled: July 15, 2020Date of Patent: February 20, 2024Assignee: BLUEOWL, LLCInventors: Kenneth Jason Sanchez, Theobolt N. Leung, Eric Dahl
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Patent number: 11909239Abstract: A method and system for a headset wireless charging dock, where the charging dock comprises a radio, a coil, and a proximity sensor. The method may comprise sensing a presence of a headset using the proximity sensor, wirelessly charging a battery in the headset utilizing the coil, and wirelessly communicating commands, using the radio, to the headset to power down when fully charged. The command may be communicated to the headset utilizing a protocol and a RF radio used by the headset to receive audio signals. The command communicated to the headset may power down audio processing circuitry in the headset. The charging induction coil may be inductively coupled to a coil in the headset to wirelessly charge the battery in the headset. The proximity sensor may comprise a Hall sensor.Type: GrantFiled: June 7, 2022Date of Patent: February 20, 2024Assignee: Voyetra Turtle Beach, Inc.Inventors: Thomas Michael Schoene, Scot Robert Cochran, Nicholas Richard Bourne
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Patent number: 11909240Abstract: A charging device disclosed herein includes an input port, an output port, and a relay circuit. The input port is electrically connected to an external power source provided externally and that is configured to be able to input direct-current power and alternating-current power from the external power source. The output port is electrically connected to an electrified vehicle and that outputs direct-current power to the electrified vehicle. The relay circuit relays electric power between the input port and the output port. The relay circuit includes a converter circuit that converts alternating-current power into direct-current power when the alternating-current power is input to the input port, and an input bypass circuit that causes direct-current power to bypass the converter circuit when the direct-current power is input to the input port.Type: GrantFiled: June 15, 2022Date of Patent: February 20, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoichi Onishi, Tetsuo Yamashita