Abstract: A method includes preparing a substrate including a display area and a non-display area disposed adjacent to the display area, forming first panel magnetic patterns overlapping the non-display area and extending in a first direction on the substrate, forming first film magnetic patterns extending in the first direction on a film, inputting a first magnetism to the first panel magnetic patterns so that the first panel magnetic patterns have a first magnetic property, inputting a second magnetism to the first film magnetic patterns so that the first film magnetic patterns have a second magnetic property, and aligning the film on the substrate so that the first film magnetic patterns overlap the first panel magnetic patterns in a plan view.

Abstract: Methods and devices useful in performing magneto-inductive charging and communication in the absence of a cellular and/or internet network connection are provided. By way of example, an electronic device includes inductive charging and communication circuitry configured to receive a signal configured to induce a charging function based at least in part on an inductive coil coupled to the inductive charging and communication circuitry. Inducing the charging function includes charging an energy storage component of the electronic device. The inductive charging and communication circuitry is also configured receive an indication to switch from the charging function to a communication function. The communication function is based at least in part on the inductive coil. The inductive charging and communication circuitry is further configured establish a communication link between the electronic device using the inductive coil to transmit and receive communication signals.

Abstract: Provided are a wireless charging method, an electronic device and a wireless charging apparatus. The method includes: monitoring a present voltage of a battery of the electronic device, after communication between a wireless charging apparatus and an electronic device is established; in response to the present voltage of the battery being greater than a preset fast charging voltage, controlling a voltage and current adjusting module of the electronic device to operate, to perform step-down and current rising on a direct current power outputted by the wireless receiving module of the electronic device and provide the direct current power after the step-down and current rising to the battery; determining an initial voltage value and sending the initial voltage value to the wireless charging apparatus, to enable the wireless charging apparatus to control a voltage of an adjustable direct current power according to the initial voltage value.

Abstract: A tablet information handling system selectively couples to a charging stand and charging dock with opposing sets of spaced magnets to have magnetic attraction hold a wireless charging receiver aligned with a wireless charger. Magnetic attraction is greatest when the tablet information handling system couples in a landscape or portrait orientation and is reduced for removal of the tablet information handling system by rotating to an offset orientation so that magnets align with opposing spaces, resulting in a reduced magnetic attraction. A sensor disposed in a space detects the offset rotation by detecting the increased magnetic flux of the magnet aligning with the space so that a user interface can provide an end user with an indication that the tablet information handling system is positioned for separation from the charging stand or charging dock.

Abstract: A charging system includes a first charging portion and a second charging portion. The first charging portion includes at least one first connector and at least one first interface for charging a connected device. The first charging portion is configured to receive electrical current from a power source. The second charging portion includes at least one second connector and at least one second interface for charging a connected device. The at least one first connector is removably coupled to the at least one second connector, thereby removably coupling the second charging portion to the first charging portion to facilitate transmission of electrical current between the first charging portion and the second charging portion.

Abstract: An antenna configured for wireless power transmission has a puzzled configuration and has a first antenna molecule and a second antenna molecule. The first and second antenna molecules are formed to define a first and second pluralities of coil atoms. The pluralities of coil atoms include a first coil atom and a second coil atom, wherein the second coil atom is positioned substantially diagonally opposite with respect to the first coil atom. The first antenna molecule and the second molecule are overlain to form a first atom row and a second atom row and to form a first atom column and a second atom column. The first and second antenna molecules are substantially inverted versions of one another.

Abstract: Systems and methods are disclosed for wireless power delivery that can provide wireless power, via a retrodirective wireless power transfer (WPT) channel, to a wireless power recipient in response to a modulated backscatter signal from a wireless power receiver. A wireless power receiver can produce a modulated backscatter signal and transmit such to a power delivery system to initiate a wireless power transfer linkage. In some examples, a dual-band technique can be implemented where a first band can be used as a dedicated retrodirective WPT channel while a data communication node can utilize a second band for a low energy compatible data communication type. Both a beacon signal (the backscattered signal) for retrodirective linkage at the first band and the communication signals at the second band can be produced via backscattering at the wireless power receiver. A backscattered beacon signal and a communication signal may be modulated and frequency multiplexed.

Abstract: In one example, an apparatus for wireless power transfer may include a resonant section of a wireless power transfer converter, a first switching section having a full-bridge topology, a second switching section including bidirectional switches in a full-bridge topology, and a transformer with N turns having a first side and a second side. The first switching section may include a first leg and a second leg, each having a center point. The resonant section may include a first connection and a second connection. The second switching section may include a first leg and a second leg, each having a center point. A first connection of the first side of the transformer may be connected in series with the second connection of the resonant section. The first connection of the resonant section and a second connection of the first side of the transformer may be connected to the center points of the first switching section, respectively.

Abstract: A wireless charging method in a wireless power transmitter, the method including sensing an object in a charging region, measuring a quality factor value, receiving information including a reference quality factor value, detecting a foreign object using the measured quality factor value and the reference quality factor value, and transmitting a response signal that includes ACK information or NAK information depending on whether or not the foreign object is detected. Further, the wireless power transmitter transmits information including a first guaranteed power value when the response signal includes the ACK information, and transmits information including a second guaranteed power value when the response signal includes the NAK information, and the first guaranteed power value is greater than the second guaranteed power value.

Abstract: Systems, devices and methods allow inductive recharging of a power source located within or coupled to an implantable medical device while the device is implanted in a patient. The implantable devices in some examples include a multi-axis antenna having a plurality of coil windings arranged orthogonal to one another. The multi-axis antenna configured to generate at least a minimum level of induced current for recharging a power source of the implanted medical device regardless of the orientation of a direction of a magnetic field imposed on the multi-axis antenna relative to an orientation of the implanted medical device and the multi-axis antenna for a given energy level of the imposed magnetic field.

Abstract: Various example embodiments relate to identifying an electric vehicle charging station. An authentication method applicable with any electric vehicle charging station may be provided. In an embodiment, an alert or quarantine of an electric vehicle charging may be triggered based on invalid authentication. Advantageously, improved security may be provided for communication in a charging management system. A computing device, a method and a computer program are disclosed.

Abstract: A method for the supply of an electrical component with electric power using an inductive charging system having a primary coil unit and a secondary coil unit, where the electrical component is connected on a secondary side corresponding to the secondary coil, includes setting a rough position of the secondary coil unit relative to the primary coil unit to establish an electromagnetic coupling, displacing a primary coil in the primary coil unit relative to a primary ferrite in the primary coil unit in a preferred direction such that an electromagnetic coupling factor of the rough position of the secondary coil unit relative to the primary coil unit is increased, where the preferred direction lies in a plane of a planar basic shape of the primary ferrite, and changing a magnetically active surface area within the primary coil unit in the plane.

Abstract: A processor may identify that a computing device is below a power threshold. The processor may generate a charge request. The charge request may include metrics associated with a requested power exchange. The processor may send the charge request to a decentralized exchange. The decentralized exchange may include the computing device and at least two other devices. The processor may receive respective charging proposals from the at least two other devices. The processor may select one of the respective charging proposals.

Abstract: An IPT system magnetic flux pad includes two substantially planar coils (17) in close proximity to each other above a magnetically permeable core (14). The coils (17) each define a pole area (11, 12) and the distance between one or more adjacent turns of the coils (17) located in a region between the pole areas (11, 12) being different from the distance between one or more adjacent turns of the coils (17) located outside the region between the pole areas (11, 12).

Abstract: The disclosure provides an interactive demonstration system and a method thereof based on a power supply intelligent board. The system includes an intelligent board supporting wireless power supply, a plurality of wireless liquid crystal display screens, a handheld wireless intelligent terminal, and an application (APP) running on the handheld wireless intelligent terminal. Handheld intelligent terminals such as mobile phones are used for running the APP, and the broadcast contents of all the wireless liquid crystal display screens adsorbed on the intelligent board are controlled, configured, and transmitted in a wireless way, thereby realizing a low-cost and easy-to-interact interactive demonstration experience that integrates electronic display with traditional whiteboard display.

Abstract: An example operation includes one or more of receiving a first energy, at a target transport, from a charging station at a first value during a first amount of time, and the target transport and the charging station are physically connected, and receiving a second energy, at the target transport, from a providing transport at a second value greater than the first value during a second amount of time less than the first amount of time, and the target transport and the providing transport are wirelessly connected.

Abstract: A power transmission apparatus wirelessly communicates with a power reception apparatus using an antenna, wirelessly transmits power to the power reception apparatus using the antenna, measures, in a period during which the transmission of the power is stopped, one or both of a voltage and a current output from the antenna, performs, based on a measurement result obtained by the measurement, a determination process for determining that an object different from the power reception apparatus is present, restricts, in a case where it is determined that an object different from the power reception apparatus is present as a result of the determination process performed by the first determination unit, the transmission of the power, and controls the first determination unit not to use in the determination process the measurement result obtained by the measurement in a period during which communication is performed.

Abstract: A system for omni-orientational wireless energy transfer is described. A transmitter unit has a transmitter resonator with a coil that is configured to be coupled to a power supply to wirelessly transmit power to a receiver unit. A receiver unit has a receiver resonator with a coil coupled to a device load. At least one of the resonators is a non-planar resonator that spans a non-degenerate two-dimensional surface having at least one concave portion.

Abstract: According to some embodiments, a wireless power transmitter is presented. In some embodiments, a wireless power transmitter includes a charging table; a plurality of movable transmitter coils incorporated into the charging table; and a control circuit coupled to sensors in the charging table and to the plurality of movable coils. In some embodiments, the control circuit is configured to detect a device placed on the charging table, determine a position of the device, move at least one of the plurality of movable transmitter coils to engage the device, communicate with the device to determine device characteristics, further configure the plurality of movable coils to engage with the device, and engage the device according to the device characteristics.

Abstract: A structure of coils for a wireless charger comprises a plurality of coils, wherein the plurality of coils are stacked into a plurality of layers of coils with each layer comprising at least two coils, wherein at least two electronic devices are capable of being placed over the plurality of coils for charging the at least two electronic devices.

Abstract: A power transfer device disclosed herein is a console installed in a vehicle. The console includes a power transfer panel and a wireless power transfer portion. The power transfer panel outputs microwaves receivable by a built-in power receiver antenna in an electronic device. The wireless power transfer portion in which the power transfer panel is disposed therein can hold the electronic device. A bottom wall, sidewalls, and a cover that define the wireless power transfer portion include microwave shields that shield the microwaves.

Abstract: A method for pairing a power terminal and an electric vehicle in a power station for electric vehicles, wherein the method includes powering the terminal-side coil stage of a power terminal with a test electric quantity to determine whether the power terminal and an electric vehicle are in a paired condition, at which the power terminal and the electric vehicle can exchange electric power, or in an unpaired condition, at which the power terminal and the electric vehicle cannot exchange electric power.

Abstract: A device including a first receptacle for receiving a first electronic device, a second receptacle for receiving a second electronic device, a first switching charger for fast charging the first electronic device, and a second switching charger for fast charging the second electronic device. The device may determine that the first electronic device is communicatively coupled to the device within the first receptacle and that the second electronic device is communicatively coupled to the device within the second receptacle. The device may receive a first request from the first electronic device to fast charge the first electronic device via the first switching charger and charge the first electronic device via the first switching charger. Additionally, the device may receive a second request from the second electronic device to fast charge the second electronic device via the second switching charger and charge the second electronic device via the second switching charger.

Abstract: The present specification relates to a device and method for supporting heterogeneous communication in a wireless power transfer system. The present specification discloses a wireless power reception device comprising: a power pickup circuit configured to receive, from a wireless power transfer device, wireless power generated on the basis of magnetic coupling in a power transfer phase; and a communication and control circuit configured to transmit, to the wireless power transfer device, a first random address packet including a random address of the wireless power reception device or receive, from the wireless power transfer device, a second random address packet including a random address of the wireless power transfer device via in-band communication. By performing a handover using a random address, cross reference can be prevented and security can be enhanced, and thus a BLE connection in a wireless charging system can be more safely performed.

Abstract: Provided is a vehicle cup holder allowing wireless charging. A vehicle cup holder allowing wireless charging according to an embodiment of the present invention comprises: a housing having an accommodation space for accommodating objects, including a portable telephone; a support unit coupled to the housing by means of a rotational shaft to allow rotation in the accommodation space, and comprising a wireless transmission module for wirelessly charging the battery of a portable telephone; a sensing unit for sensing input signals from a user or the proximity of a portable telephone; and a driving unit for providing driving power to the rotational shaft so as to allow the position of the support unit to be changed, on the basis of a signal sensed by the sensing unit, to a charging position in which the portable telephone can be charged, or to a standby position in which an object can be accommodated in the accommodation space.

Abstract: Systems and methods for determining supply requirements for charging a plurality of vehicles are described. Based on real-world data for a plurality of vehicles, operation of comparable battery-powered vehicles is simulated. Energy consumption by the vehicles and energy replenishable to the vehicles is simulated, to determine power supply requirements or charge station requirements for candidate charge sites. Feasibility of implementing battery powered vehicles is assessed.

Abstract: A plurality of charging equipment share a current capacity. A message is received that indicates a request for allocation of electric current through a first charging equipment of the plurality of charging equipment. Responsive to determining that granting the request would exceed the current capacity, the electric current is dynamically allocated among the plurality of charging equipment such that the first charging equipment is allocated electric current without exceeding the current capacity shared by the plurality of charging equipment.

Abstract: Provided are a wireless charging and communication board, and a wireless charging and communication device, the wireless charging and communication board including: a soft magnetic layer; a polymeric material layer arranged on one surface and the other surface of the soft magnetic layer and extending longer than an exposed portion of the soft magnetic layer; and a coil pattern arranged on the polymeric material layer.

Abstract: A signal emitting apparatus provided in a vehicle to which power is transferred from a ground side power supplying apparatus by noncontact, includes: a signal emitting device for emitting a signal including information relating to the vehicle wirelessly toward the ground side power supplying apparatus; an outside environment acquiring part for acquiring information relating to an outside environment at surroundings of the ground side power supplying apparatus; and a control part for controlling the signal emitting device. The control part changes a mode of wireless signal emission of the signal emitting device in accordance with the outside environment.

Abstract: A storage case and charging device for a VR equipment includes a lower housing having an accommodation groove for accommodating the VR equipment; an upper housing covering the accommodation groove and detachably connected with the lower housing; and a first charging plug being disposed in the accommodation groove. The first charging plug is configured for inserting into and electrically connecting to a first charging port of the VR equipment for charging the VR equipment.

Abstract: Embodiments disclosed herein describe a wireless power receiver including a synchronous transistor rectifier using a Class-E or a Class-F amplifier. The wireless power receiver includes at least one radio frequency (RF) antenna configured to generate an alternating current (AC) waveform from received RF waves. The wireless power receiver further includes a power line configured to carry a first signal based on the AC current generated by the least one RF antenna, and a tap-line coupled to the power line, the tap-line being configured to carry a second signal. The second signal is based on the AC current generated by the least one RF antenna and distinct from the first signal. The wireless power receiver also includes a transistor coupled to at least the power line and the tap-line. The transistor is configured to provide a direct current (DC) waveform to a load based on the first and second signals.

Abstract: A wireless-charging adapter is connectable to a direct current (DC) fast charger and includes an induction coil for wireless charging a second induction coil on a vehicle. In some instances, the adapter may include an electrical connector to mate with a DC fast charger. In addition, the adapter may include hardware and/or software to receive a DC from the DC fast charger and provide an alternating current (AC) to the induction coil. The induction coil of the adapter may be positioned (e.g., on a ground surface) to align with an induction coil on a vehicle.

Abstract: To provide a technique where a case of shutting off a battery shutoff switch while a key switch is on is detected, and a warning according to a risk can be issued at time of restart. A construction machine includes: the key switch, an engine start switch, an engine stop switch, a notification device, a controller, and the battery shutoff switch. The controller chronologically stores operation histories of the key switch, engine start switch, and engine stop switch in a history storage section in a non-volatile manner. The controller determines, on the basis of the stored operation history, a risk content in a case of shutting off the battery shutoff switch while the key switch is on. In a case where, the controller is restarted by resuming the battery shutoff switch and turning on the key switch, the controller controls the notification device so that the notification device issues a warning according to the risk content, on the basis of a result of the determination.

Abstract: This application relates to an extremely high frequency (mmWave) wireless power transfer device, method, and system using a Rotman lens. The device includes a radio frequency (RF) chain including transmitters individually generating signals of a mmWave band, and adjusting phase and amplitude of each generated signal. The device may also include a switch matrix connected to the RF chain, having a matrix structure, and generating a beam pattern where the adjusted signals are combined through the switches. The device may further include a Rotman lens connected to the switch matrix and performing a signal beamforming of the beam pattern according to predetermined transmission paths, an antenna part connected to the Rotman lens and radiating the beamformed signal, and a controller controlling at least one of the phase, amplitude, beam pattern, or transmission path of the signal so that the signal is radiated.

Abstract: A wireless power transfer pad apparatus may include a ferrite structure and four windings adjacent to the ferrite structure. The ferrite structure may include a magnetic pathway. A ferrite pathway between adjacent windings of the four windings may have a thickness and a width to provide a low impedance, unsaturated magnetic pathway for an electromagnetic field generated by the adjacent windings. Other examples may be described and claimed.

Abstract: The abnormal power supply voltage detection device has a function of accurately detecting the abnormal voltage in accordance with the characteristics of the semiconductor element for each semiconductor chip. Circuit group for operating the adjustment function has a function of preventing the influence of the power supply voltage of the logic system such as control in the semiconductor product malfunctions becomes abnormal. Furthermore, it has a function of detecting the abnormal voltage of the various power supplies in the semiconductor product. It also has a function to test the abnormal voltage detection function in the normal power supply voltage range during use of semiconductor products.

Abstract: A system includes an alternating current (AC) power component, a cable, a sensor transformer, and a sensor. The cable is coupled to the AC power component and is can conduct current to the AC power component. The sensor transformer includes a coil disposed proximate to the cable. The coil generates an induced voltage responsive to conduction of the current through the cable. The sensor is coupled to the sensor transformer and receives power from the sensor transformer. The sensor obtains information corresponding to operation of the AC power component.

Abstract: A battery case has first and second coils on opposing sides of a battery and has switching circuitry that is coupled between the first and second coils. The battery case has a battery that provides supplemental battery power wirelessly to a wireless power receiving device via the second coil when the switching circuitry is in an open state. The case can also receive power wirelessly with the first coil from a wireless charging mat when the switching circuitry is in the open state. In a closed state, the switching circuitry shorts the first and second coils together so that current flowing through the first coil flows through the second coil in series and so that wireless power from the wireless charging mat that is received with the first coil is transmitted wirelessly to the wireless power receiving device using the second coil.

Abstract: This disclosure is generally directed to systems and methods for wirelessly charging a battery in a mobile robot. In an example method in accordance with the disclosure, a mobile robot locates and approaches a wireless battery charging station (by using an onboard camera, for example). The mobile robot then executes an alignment procedure to align a wireless charge receiving pad of the mobile robot with a battery charging pad of the wireless battery charging station. The alignment procedure may involve the mobile robot moving the wireless charge receiving pad in any of three axial directions, such as, backwards, forwards, sideways, upwards, and/or downwards. After alignment is completed, the mobile robot may establish a wireless handshake with the wireless battery charging station. The wireless handshake can include a verification of an authentication of the mobile robot to access the wireless battery charging station, followed by a wireless battery charging operation.

Abstract: A method for the efficient placement of electric vehicle chargers in a target area couples vehicle dynamics and battery dynamics modeling with environmental factors to accurately incorporate the impact that the environment has on the range of the battery into the placement of the chargers by simulating trips of fleets of electric vehicles. The vehicles can be of various types, for example, motorcycles, cars, trucks or aircraft, and will each have their battery state of charge monitored as they traverse a simulated trip through the target area.

Abstract: A power transmitter includes a control and communications unit and an inverter circuit configured to receive input power and convert the input power to a power signal. The power transmitter further includes a coil configured to transmit the power signal to a power receiver, the coil formed of wound Litz wire and including a first coil portion and a second coil portion, the first coil portion defining a top face and a first diameter, the second coil portion defining a second diameter, the second diameter being greater than the first diameter. The power transmitter further includes a shielding comprising a ferrite core and defining a cavity and a magnetic ring, the cavity configured such that the ferrite core substantially surrounds all but the top face of the first coil portion and the second coil portion is positioned, at least in part, above the magnetic ring.

Abstract: The present application relates to an apparatus which comprises a wireless power transfer (WPT) system. This system comprises features which allow it to transfer more power wirelessly at extended distances than other systems operating in the same frequency range. The system possesses heat dissipation features; these features allow it to operate effectively in elevated-temperature environments, and to transfer power at higher levels and/or greater distances than a typical power-transfer system. The system also might include design features to withstand mechanical shocks, stresses, and impacts for use in a rugged environment. The system can also comprise adaptations to reduce electromagnetic interference (EMI), and can comprise specially shaped components with magnetic/ferrimagnetic properties that enhance performance. Other potential features include power conditioning by combining, within one circuit or one board, multiple elements that protect against excessive current, over-voltage, and/or reverse voltage.

Abstract: A wireless coupling structure has a first layer comprising a flux coupling coil having two opposing end regions separated by two opposing side regions; a second layer comprising a first block of ferrite and a second block of ferrite; and a third layer comprising a leakage flux control coil. The first block is provided next to one of the end regions and the second block is provided next to the other of the end regions.

Abstract: A wireless power receiving apparatus which wirelessly charges power according to one embodiment of the present invention includes a substrate, a soft magnetic layer which is laminated on the substrate and is formed with a plurality of patterns including at least 3 lines radiated from predetermined points, and a coil which is laminated on the soft magnetic layer and receives electromagnetic energy radiated from a wireless power transmitting apparatus.

Abstract: A wearable device for securely remaining coupled to a user and recording data pertaining to the user is provided. The device includes a main body, which has a display for viewing, a magnet for aligning the main body to other objects, a rechargeable battery for powering the main body and a computing module for storing, transferring and analyzing data. The device also includes a band extending from a first end of the main body to a second end of the main body for permitting coupling of the device to a user. The band may include anti-tampering features for preventing uncoupling of the device from a user without detection. The wearable device includes a charger to be worn adjacent to the device for wirelessly charging.

Abstract: The present disclosure provides a wireless charging switching method, which includes steps as follows. After a proximity sensor disposed in the central area of a coil senses an object, it is determined whether a power bus voltage of a wireless power transceiver electrically connected to the coil has reached a predetermined voltage value during a predetermined period, so as to determine a receiver mode or a transmitter mode for the wireless power transceiver.

Abstract: A noncontact power supplying system transfers power by noncontact between a ground power supplying apparatus and a vehicle. The vehicle includes a power reception side resonance circuit for receiving power, and a signal emitting device for emitting an alternating magnetic field or electric wave for transmitting vehicle identification information of the vehicle to the ground power supplying apparatus. The ground power supplying apparatus includes a power transmission side resonance circuit for transmitting power to the power reception side resonance circuit, and a signal reception device for receiving an alternating magnetic field or electric wave emitted from the signal emitting device. The ground power supplying apparatus detects a relative positional relationship between the power transmission side resonance circuit and the power reception side resonance circuit, based on the strength of the alternating magnetic field or electric wave which the signal reception device receives.

Abstract: A power transmission apparatus has a first communication function for communicating with a power reception apparatus and a second communication function for communicating with the power reception apparatus at a radio frequency different from a radio frequency used in the first communication function, and makes a decision as to whether to use the first communication function or the second communication function in communication for controlling wireless transmission of power, the decision being made on the basis of device information obtained from the power reception apparatus through communication using the first communication function.

Abstract: A wireless charging device includes a plug module, a rack and a wireless charger. The plug module has a top wall, and two opposite side walls connected with two opposite sides of the top wall. A front end of a top surface of the top wall of the plug module is defined as an inclined plane. The rack is mounted on the inclined plane of the plug module. A front end of a bottom surface of the rack is recessed inward to form a lower accommodating groove. The inclined plane is mounted in the lower accommodating groove. A top surface of the rack is recessed downward to form an upper accommodating groove. The wireless charger is mounted in the upper accommodating groove.

Abstract: An object is to reduce the number of wiring members located between a door and a vehicle body. A power supply system in a vehicle door includes: a non-contact power receiving part receiving a power supply in a non-contact manner; a battery connected to the non-contact power receiving part so as to be charged with an electrical power received by the non-contact power receiving part; and an electrical component connected to the battery so as to receive a power supply from the battery in a state where at least the non-contact power receiving part does not receive an electrical power.