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157results about How to "Reliable charging" patented technology
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Charging system
InactiveUS20020049630A1Small data amountLow accuracyInstruments for road network navigationTicket-issuing apparatusGeographical featureEngineering
An object of the present invention is to provide a charging system which carries out position confirmation of a moving body at a place where there is a radio wave blocked facility, and which carries out automatic detection of GPS antenna blockage for avoiding charging. In a charging system including a GPS positioning device 921 for recognizing a vehicle position, a vehicle speed pulse measuring device 920 for dead reckoning navigating, a monitor device 920, 927, 928 which generates information expressing a current position by using these, and a charging processing 902 which judges whether or not a recognized current position is within a charge area and which carries out data processing for charging, the monitor 920 includes a simple map database 928 which includes positions of facilities or geographical features at which GPS positioning is impossible, and when GPS positioning is impossible, the facility or geographical feature corresponding to the current position is detected, and that position is made to be a current position.
Owner:TOYOTA JIDOSHA KK +1
Charging system which carries out data processing for fee payment
InactiveUS6845362B2Improve reliabilitySmall data amountInstruments for road network navigationTicket-issuing apparatusPaymentGeographical feature
A charging system which carries out position confirmation of a moving body at a place where there is a radio wave blocked facility, and which carries out automatic detection of GPS antenna blockage for avoiding charging. The charging system includes a GPS positioning device for recognizing a vehicle position, a vehicle speed pulse measuring device for dead reckoning navigating, a monitor device which generates information expressing a current position by using these, and a charging processing which judges whether or not a recognized current position is within a charge area and which carries out data processing for charging. The monitor includes a simple map database which includes positions of facilities or geographical features at which GPS positioning is impossible, and when GPS positioning is impossible, the facility or geographical feature corresponding to the current position is detected, and that position is made to be a current position.
Owner:TOYOTA JIDOSHA KK +1
Contactless charging system for an artificial organ, a storage device and a feeding device for use with this system
InactiveUS8000800B2Avoid chargingStorage meanElectrotherapySecondary cells charging/dischargingElectric power transmissionArtificial organ
Owner:LIMITED COMPANY TM
Non-intrusion type charging system for artificial organ, capacitor and power supplying device used in the system
InactiveUS20050165461A1Avoid complicationsAccurately carry-outElectrotherapySecondary cells charging/dischargingElectricityEngineering
According a charging system of this invention, an AC required for charging of an electric double layer capacitor of a storage device in the body may be transmitted from a feeding device outside the body through power receiving and power transmitting coils. The electric double layer capacitor may be charged in a contactless mode, without incising the body of the artificial organ user, while the storage device remains embedded in the body. The electric double layer capacitor may be charged reliably by avoiding a shortage of charging since the charge status of the electric double layer capacitor of the storage device is known during a charging operation.
Owner:LIMITED COMPANY TM
Battery rod and electronic cigarette
InactiveUS20160316818A1Easy to optimizeAvoid unstable connectionsBatteries circuit arrangementsTobacco devicesElectricityElectrical battery
A battery rod and an electronic cigarette are provided. The batter rod includes a battery cartridge, a battery accommodated in the battery cartridge, and a connection unit inserted at one end of the battery cartridge and for connecting with an atomizer. A charging assembly used to electronically connecting with a charger is inserted at one end of the battery cartridge away from the connection unit, and includes an internal electrode, an insulation holder inserted inside the battery cartridge, an insulation ring and an external electrode. The insulation ring is sleeved on an outer circumferential surface of the internal electrode. The external electrode is sleeved on an outer circumferential surface of the insulation ring. The internal electrode and the external electrode are electronically connected to two electrodes of the battery, respectively.
Owner:HUIZHOU KIMREE TECH
Charger, Battery Pack Charging System and Cordless Power Tool System
ActiveUS20150015205A1Reduce the possibilityEasy to placeCircuit authenticationElectric powerElectrical batteryPower tool
A charger (40; 240; 340) charges a battery pack (20) that is detachably attachable to a cordless power tool (12). The charger has at least a first side wall (44b) that at least partially defines a battery pack receiving hole (44; 244) shaped to receive and accommodate the battery pack. A charging output element (62; 362) supplies charging power to the battery pack. The battery pack receiving hole has a lateral cross sectional area that decreases downwardly in the vertical direction of the battery pack receiving hole such that gravity causes the battery pack to be guided to a prescribed position within the battery pack receiving hole. In addition, the charging output element is positioned so as to be proximal to a corresponding charging power input element of the battery pack when the battery pack is disposed in the prescribed position.
Owner:MAKITA CORP
High-voltage battery charging system and charger with such charging system
InactiveUS20130088196A1Increase charging voltageImprove reliabilityBatteries circuit arrangementsCharging stationsHigh voltage batteryEngineering
A high-voltage battery charging system includes a rectifier circuit, a power factor correction circuit, a bus capacitor, an intermediate non-isolated DC-DC converting circuit, an intermediate output capacitor, and a non-isolated DC-DC converting circuit. The rectifier circuit is used for rectifying an AC input voltage into a rectified voltage. The power factor correction circuit is used for increasing a power factor of the rectified voltage and generating a bus voltage. The bus capacitor is used for energy storage and voltage stabilization. The intermediate non-isolated DC-DC converting circuit is used for boosting the bus voltage into an intermediate output voltage. The intermediate output capacitor is connected between an output terminal of the intermediate non-isolated DC-DC converting circuit and the common terminal COM for energy storage and voltage stabilization. The non-isolated DC-DC converting circuit is used for converting the intermediate output voltage into a high charging voltage, thereby charging the high-voltage battery unit.
Owner:DELTA ELECTRONICS INC
Flange of a fuel delivery module and fuel delivery module
InactiveUS6129074AOperational safety is highSimple designMachines/enginesLiquid fuel feedersFeed lineElectric potential
PCT No. PCT / DE99 / 00807 Sec. 371 Date Nov. 22, 1999 Sec. 102(e) Date Nov. 22, 1999 PCT Filed Mar. 22, 1999 PCT Pub. No. WO99 / 49206 PCT Pub. Date Sep. 30, 1999To guard against electrostatic discharge in a pressure regulator, a flange of a fuel delivery module for connecting a tank with a fuel feed line of an engine, having a pressure regulator for regulating the pressure in the fuel feed line, and having at least one hookup for an external electrical potential, is characterized in that the flange is embodied in at least some portions of weakly electrically conductive material, in such a way that the hookup is connected conductively with the pressure regulator via the weakly electrically conductive material.
Owner:ROBERT BOSCH GMBH
Wireless charging system and method
ActiveCN102315691AAvoid wear and tearImprove securityElectrical storage systemBatteries circuit arrangementsCapacitanceAC - Alternating current
Owner:POSITEC POWER TOOLS (SUZHOU) CO LTD
Electric powered vehicle, vehicle charge device and vehicle charge system
ActiveUS8618771B2Reliable executionReliable chargingBatteries circuit arrangementsPropulsion by batteries/cellsControl signalLow voltage
A vehicle has a low voltage power generating unit mounted thereon, which passively generates low voltage power when the vehicle is electrically connected to commercial power supply through coupling of a connector unit. A winding transformer transforms the commercial power supply input to the primary side with a prescribed ratio of transformation, and the transformation is performed without requiring any control signal from the outside. The AC power with voltage lowered, output from the secondary side of winding transformer, is rectified by a diode unit, and a low voltage power is generated. The low voltage power generated by the diode unit is supplied through a supplementary low voltage DC line to a sub battery and to a controller.
Owner:TOYOTA JIDOSHA KK
Method for charging by utilizing wireless charger and wireless charger
ActiveCN103269092AReliable chargingCharging safetyBatteries circuit arrangementsElectromagnetic wave systemEngineeringBattery charger
The embodiment of the invention provides a method for charging by utilizing a wireless charger and the wireless charger, wherein the wireless charger comprises a transmitting end and a receiving end; the transmitting end comprises a communication module, a temperature detection module, a control module, a charging module and over-temperature protection module; the communication module is used for judging whether the transmitting end communicates with the receiving end or not; the temperature detection module is used for detecting the temperature of the transmitting end after the transmitting end is communicated with the receiving end; the control module is used for judging whether the temperature of the transmitting end is higher than a preset threshold or not; the charging module is used for charging the receiving end when the temperature of the transmitting end is lower than or equal to the preset threshold; and the over-temperature protection module is used for stopping charging the receiving end when the temperature of the transmitting end is higher than the preset threshold. The embodiment of the method and the wireless charger can detect the surface temperature of the transmitting end, so that the wireless charging is enabled to be more reliable and safer.
Owner:XIAOMI INC
State-of-charge detector device, program thereof, state-of-charge detecting method, and charge-discharge control device
InactiveUS20040012373A1Accurate detectionHigh precisionCircuit monitoring/indicationDifferent batteries chargingElectrical resistance and conductanceElectrical battery
A state-of-charge detector device for detecting the state of charge of a secondary battery is provided. The device has a current detector that detects an electric current through the secondary battery, a voltage detector that detects a voltage between terminals of the secondary battery, and an internal resistance calculator that calculates an internal resistance of the secondary battery based on the detected current and the detected voltage. Furthermore, an internal resistance changing rate calculator is provided which calculates a rate of change in the internal resistance calculated, with respect to an amount of charge stored in the secondary battery. A state-of-charge deterrninator determines a state of charge of the secondary battery based on the rate of change in the internal resistance calculated.
Owner:NIPPON SOKEN +1
Intelligent robot system and charging butting method thereof
ActiveCN102407522AStable chargingReliable chargingProgramme-controlled manipulatorBatteries circuit arrangementsEngineeringIntelligent robots
The invention relates to an intelligent robot system. The system comprises an intelligent robot and a charging seat, wherein the intelligent robot comprises a butting electrode, a traveling mechanism, a control unit and an electrode butting locking execution mechanism; the butting electrode, the traveling mechanism and the control unit are arranged on a body of the intelligent robot; the charging seat comprises a charging electrode; and the charging electrode is arranged on a body of the charging seat. When the butting electrode is successfully butted with the charging electrode, the control unit controls the electrode butting locking execution mechanism to act to lock the traveling mechanism, and the intelligent robot is successfully butted with the charging seat, so that the phenomenon that the butting electrode is separated from the charging electrode of the charging seat because the traveling mechanism moves inappropriately is avoided, the conditions of power failure and charging failure when the intelligent robot is charged are effectively avoided, and the intelligent robot can be stably and reliably charged.
Owner:ECOVACS ROBOTICS (SUZHOU ) CO LTD
Mixed driving type vehicle running controller and vehicle thereof
InactiveCN1428256AAvoid brakingNormal state of chargeGearingRailway vehiclesDrive wheelInternal combustion engine
The invention provides a drive control device for a hybrid vehicle capable of reducing the discomfort of an occupant by releasing a shock in applying the driving force of an internal combustion engine. In the drive control device for a hybrid vehicle including an electric motor (2) and an internal combustion engine (3), when a load is less than a predetermined reference value, the drive wheels are driven only by driving force of the electric motor (2); when the load is the reference value or more, the drive wheels are driven by driving force of both the electric motor (2) and the internal combustion engine (3). A drive force detecting sensor (16) for detecting the drive force is arranged in midway of a drive force transmission system from the internal combustion engine (3) to the drive wheel (4). During the drive wheels are driven by driving force of both the electric motor (2) and the internal combustion engine (3), the controller preferably controls the electric motor to reduce the drive force provided by the electric motor when the drive force detected by the drive force detecting sensor (16) changes to a rising direction based on a rate of change over a predetermined reference value.
Owner:YAMAHA MOTOR CO LTD
Method and apparatus for charging a rechargeable battery
InactiveUS7259539B2Data can be usedReliable chargingDifferent batteries chargingSecondary cellsRechargeable cellPersonal computer
In a secondary cell charging apparatus and secondary cell charging method, an internal power supply circuit of a personal computer is used as a power supply for performing a charging operation on a secondary cell. The personal computer uses a charging processing operation program and displays information relating to the charging operation.
Owner:ZIP CHARGE CO LTD
State-of-charge detector, program, method and charge-discharge control device utilizing rate of change of internal resistance
InactiveUS6987377B2High precisionAccurate detectionCircuit monitoring/indicationDifferent batteries chargingElectrical resistance and conductanceElectrical battery
A state-of-charge detector device for detecting the state of charge of a secondary battery is provided. The device has a current detector that detects an electric current through the secondary battery, a voltage detector that detects a voltage between terminals of the secondary battery, and an internal resistance calculator that calculates an internal resistance of the secondary battery based on the detected current and the detected voltage. Furthermore, an internal resistance changing rate calculator is provided which calculates a rate of change in the internal resistance calculated, with respect to an amount of charge stored in the secondary battery. A state-of-charge determinator determines a state of charge of the secondary battery based on the rate of change in the internal resistance calculated.
Owner:NIPPON SOKEN +1
Charging/discharging management system for lithium battery packs
InactiveUS20050212483A1Less overall consumptionConsistent and efficient battery performanceElectric powerBattery overcharge protectionLower limitAudio power amplifier
This invention is a management protection circuit to be used with a battery pack to prevent the charging or discharging of the battery from exceeding the upper and lower voltage thresholds. The over-discharging protection adopts a high accuracy, low power consumption, four OP AMPs comparison circuit. Its static working current is less than 0.3 mA. The charging balance protection adopts a combined circuit of a high accuracy, low power consumption, four OP AMPs comparison circuit and a direct current inverter. When any of battery units in a battery pack reaches the upper voltage threshold of charging condition, the inverter goes into an active state and takes the charging electrical energy back to the charging system. Thus, the electrical energy can be fully utilized. It also reduces the temperature raised on the charging system and increases the system's reliability.
Owner:LI WENMAN
Enhanced Charging Handle
InactiveUS20150053072A1Enhanced charging handleGuaranteed uptimeBreech mechanismsFront and back endsElectrical and Electronics engineering
An enhanced charging handle for a firearm which has an elongated shaft having a forward end and a rear end. The forward end is formed into a bolt hook that engages the bolt carrier group within the firearm. Attached to the rear end is a latching assembly comprising an L-shaped latch, a vertical lever, and a compression spring where the latch and vertical lever are pivotably attached to the rear end. The latch and vertical lever operate together such that pivoting the vertical lever disengages the latch from the upper receiver of a firearm allowing the charging handle to be moved freely by the user independent of the upper receiver of the firearm.
Owner:BUNKER BENJAMIN
Image forming apparatus and process cartridge
InactiveUS7003255B2Easy to installEasy to removeElectrographic process apparatusDevelopersImage formationEngineering
An image forming process and apparatus, the apparatus including a toner container, a transfer belt below the toner container, a process cartridge below the transfer belt, and an imaging device below the process cartridge. The process cartridge includes a rotating image carrier having an image carrier surface, a brush roller in contact with the image carrier surface, a charging member in contact with the image carrier surface and configured to transfer a charge to the image carrier surface, and a casing including a miler in contact with the image carrier surface and arranged to separate the brush roller from the charging member.
Owner:RICOH KK
Battery charger
InactiveCN1738148AReliable chargingHigh cost performanceBatteries circuit arrangementsElectric powerElectrical batteryFeedback circuits
The invention relates to a battery charger, comprising an input rectifier filter circuit, a high frequency inverse-excited converter circuit, an output rectifier filter circuit, an auxiliary power circuit, and a temperature detection-control circuit. It is characterized in that a constant-current stable-voltage control circuit which is formed by a current voltage detect-feedback circuit, an photoelectric coupled circuit, and a impulse-width modulation control circuit in the cascade connection; The rectifier filter circuit transfers the incoming alternating current into direct current, and via the high frequency inverse-excited converter circuit, to separate and output direct voltage to charge the battery; the constant-current stable-voltage control circuit and the impulse-width modulation control chip are combined to control the constant-current charging and the stable-voltage protection; the temperature detection-control circuit is used for temperature protection of battery to avoid overcharge. Said invention has the advantages of high property, lower cost, safety and reliability, while it can be used to charging variable nickel-cadmium battery, nickel-hydrogen battery and lithium battery.
Owner:陈国成 +2
Ordered charging method of electric cars connected to power grid
InactiveCN105515030AReliable data basisEffective and orderly chargingCharging stationsSingle network parallel feeding arrangementsGenetic algorithmCharge control
The invention provides an ordered charging method of electric cars connected to a power grid. The method comprises: an area wind-light output probability model in a generating area is established; a two-segment peak-valley electricity price model is established, and ordered charging of electric cars is guided according to a solution result of the two-segment peak-valley electricity price model; an optimization model is established for beginning and ending time of a valley electricity price period and peak-valley electricity prices of the two-segment peak-valley electricity price model; and according to a genetic algorithm, an optimization model is solved to obtain an optimal ordered charging scheme of electric cars. According to the method, a demand response scheme is fully considered and an effective and feasible ordered charging control strategy is put forward for the scheme; the economic benefits of an electric car charging station are improved effectively and reliably; a reliable data basis is provided for ordered charging of electric cars connected to a power grid and high-efficiency ordered charging of electric cars is guaranteed; and the energy loss of the power grid is reduced and stable operation of the power grid is also guaranteed.
Owner:CHINA ELECTRIC POWER RES INST +3
Charging system and method thereof
ActiveUS20180166910A1Limiting inrush currentFabrication can be reducedBatteries circuit arrangementsCharging stationsElectric power systemPre-charge
A charging system and a method are provided. The charging system includes a power supply device, a charging module and a battery module. The charging module is detachably connected with the power supply device, and connected with the battery module. The charging module includes a power converting unit, a voltage regulator and a charging controller. When the power supply device and the charging module are connected with each other, the power converting unit of the charging module is in the backward direction and uses the electric power of the battery module to pre-charge a bus capacitor. If the voltage of the bus capacitor is higher than or equal to a first threshold value because of pre-charge, the voltage of an adjusting terminal of the charging module is adjusted. Consequently, the charging system is in a normal working mode.
Owner:DELTA ELECTRONICS (THAILAND) PUBLIC CO LTD
Battery charging control
InactiveUS20050253556A1Reduce heat dissipationEmpty batteryElectric powerBattery disconnect circuitsBattery chargeRechargeable cell
The invention relates to a battery charging control circuit for controlling a charging of a rechargeable battery by means of a charging component. The battery charging control circuit comprises a switching element, a control component and an energy storage component. The switching element is adapted to connect a battery to a charging component and to disconnect the battery from the charging component. The control component is adapted to control the switching element. The energy storage component is arranged to be loaded by the charging component and to provide a voltage across the energy storage component as a supply voltage to the control component. The invention relates equally to a electronic device comprising such a circuit and to a method of providing a power supply to a control component of such a circuit.
Owner:NOKIA CORP
Thermodynamic expansion valve
ActiveCN101074736AMiniaturizationEnsure degrees of freedomOperating means/releasing devices for valvesFluid circulation arrangementLow voltageHigh pressure
A kind of heating-power bulgy valve, including: the body of the valve, on the body of the valve, there are the high voltage passageway, the low voltage passageway and the valve port for the high voltage passageway; the spool, it is close to and pressed to the valve port by a spring; temperature package, it has a airtight room what is composed by membrane; The valve handle, one of its ends poling the spool away from the valve port, another end is droved by membrane; the character is that the temperature package locates on the low voltage passageway. Because of that, it compares to the existing technical, can make the heating-power bulgy valve smaller, so it can insure the special freedom in the refrigerant cycle.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD
Wireless charging system
InactiveCN102931714AGuaranteed working hoursExtended working hoursBatteries circuit arrangementsElectromagnetic wave systemElectric devicesDigital camera
The invention discloses a wireless charging system, comprising first electrical equipment for externally charging and second electrical equipment needing to be charged, wherein the first electrical equipment comprises a power supply module and a wireless electric energy transmitting module which are connected with each other; the second electrical equipment comprises a wireless electric energy receiving module, an AC (alternative current)-to-DC (direct current) module and an electric energy storing module; the wireless electric energy receiving module is connected with the wireless electric energy transmitting module in a wireless manner; the AC-to-DC module is connected with the wireless electric energy receiving module; and the electric energy storing module is connected with the AC-to-DC module, and is used for storing direct-current current output from the AC-to-DC module. The wireless charging system disclosed by the invention can conveniently and reliably charge various electrical devices, such as a mobile computer, a mobile phone, a flat computer, a digital camera and the like, in a wireless manner, thus guaranteeing that the working time of the electric devices can be prolonged, and bringing convenience to work and daily life of a user.
Owner:TIANJIN SAMSUNG OPTO ELECTRONICS +1
Charging device, motor-driven vehicle, and charging system
InactiveCN101312847AReliable chargingGuaranteed coolingCharge equalisation circuitCell temperature controlMotor driveCharge control
Owner:TOYOTA JIDOSHA KK
Self-reinforced self-charging separate-excitation switch reluctance generator converter and control method thereof
ActiveCN107046385AIncreased power output capabilityLow costGenerator control by field variationSelf reinforcedEngineering
The invention relates to a self-reinforced self-charging separate-excitation switch reluctance generator converter and a control method thereof. The converter is composed of a conversion main circuit, an excitation power, a power generation diode, a bus capacitor, and a charging main circuit. A positive terminal of the output of the conversion main circuit is connected in parallel with the bus capacitor and the charging main circuit by the power generation diode; the output of the charging main circuit is connected with the excitation power; and the excitation power outputs power for the conversion main circuit. Each phase of winding has two sets of parallel reinforced excitations to increase follow currents and reinforcing excitation. A separate-excitation storage battery is charged automatically by using the bus voltage through the controllable charging main circuit.
Owner:CHINA JILIANG UNIV
Method for charging a rechargeable energy store, charging device for a rechargeable energy store, and circuit breaker
ActiveUS20130141042A1Enhanced advantageHigh energy storageCharging stationsElectric devicesCharge currentCharged current
A method for charging a rechargeable energy store (24), having the steps: coupling the rechargeable energy store (24) to a power supply line (10); ascertaining a piece of utilization information (34) regarding a capacity utilization of a tripping load of a circuit breaker (10) coupled to the power supply line (12); and / or ascertaining a separate piece of charging information (41) regarding a power and / or a time remaining of a separate charging current supplied to a further energy store (30) by the power supply line (12); setting at least one selection variable (48) regarding a time characteristic of a setpoint current intensity of a setpoint charging current supplied by the power supply line (12) to the rechargeable energy store (24), in view of the ascertained utilization information (24) and / or the ascertained, separate charging information (41); and applying a charging current from the power supply line (12) to the rechargeable energy store (24) in view of the at least one set selection variable (48). In addition, the invention relates to a charging device (22) for a rechargeable energy store (24). Furthermore, the invention relates to a circuit breaker (10).
Owner:ROBERT BOSCH GMBH
Wireless electric energy transmission system and constant-current and constant-voltage control method thereof
The invention provides a wireless electric energy transmission system, which comprises a DSP processor, a wireless electric energy transmission device, and a change-over switch controller, a current acquisition circuit and a voltage acquisition circuit which are connected between the DSP processor and the wireless electric energy transmission device; the wireless power transmission device is arranged on a transmitting module to form a primary side LCC compensation network with change-over switches S1 and S2 and a primary side series compensation network with a change-over switch S3, and a secondary side LCC compensation network is formed on a receiving module; the change-over switch controller is connected with the change-over switches S1, S2 and S3; and the DSP processor issues a constant-current charging control instruction to the change-over switch controller, so that the change-over switch controller switches on the change-over switches S1 and S2 and switches off the change-over switch S3, and a bilateral LCC constant-current charging mode is realized; or a constant-voltage charging control instruction is issued, so that the change-over switch controller disconnects the change-over switches S1 and S2 and closes the change-over switch S3, and an S-LCC constant-voltage charging mode is realized. By implementing the invention, the defects in the prior art can be overcome, thecircuit structure is simple, and the cost is low.
Owner:WENZHOU UNIVERSITY
Wireless charging method and wireless charger
InactiveCN103051024AIncrease transmit powerLarge rechargeable rangeBatteries circuit arrangementsTransformersCharge currentPower flow
The invention discloses a wireless charging method. A wireless charger comprises a wireless charging emitting end and a wireless charging receiving end. The method is characterized by comprising the following steps of: (1) arranging a radiating shell at the wireless charging emitting end; (2) arranging a magnetic plate on the inner surface of the radiating shell to generate magnetic induction intensity; (3) arranging at least three induction coils, wherein the induction coils are arranged in a triangular form; (4) arranging a power adapter which is connected with the induction coils through leads and is used for supplying a working power supply to the induction coils; and (5) arranging an NTC (Negative Temperature Coefficient) control device which is connected with the coils and a charger control circuit and is used for controlling the magnitude of charging current by monitoring the temperature of a magnetic core. The invention further discloses a wireless charger for implementing the method. The method and the charger provided by the invention have the advantages of working stability, high working efficiency, high reliability, and capability of supporting high-power charging equipment.
Owner:东莞市创晨电子有限公司
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