Abstract: The technology provides for a system for determining wireless charging alignment. In this regard, one or more processors may receive motion data from one or more sensors of a computing device indicating a motion of the computing device. The one or more processors may also receive charging data related to a state of an energy storage of the computing device or a state of energy transfer between a wireless charger and the computing device. Based on the motion data and the charging data, a reference vector associated with at least two charging rates may be determined. An alignment vector between the computing device and the wireless charger may then be determined based on the reference vector and the associated charging rates. Based on the alignment vector, an output may be generated guiding movement of the computing device to align with the wireless charger.

Abstract: A wireless power transmitting apparatus is provided with: a power transmitting circuit for transmitting power for a load device to a wireless power receiving apparatus; a signal transmitting circuit for transmitting a control signal for the load device to the wireless power receiving apparatus; a signal receiving circuit for obtaining an estimated received power level indicating a level of the power transmitted from the wireless power transmitting apparatus and received by the wireless power receiving apparatus; and a control circuit. The control circuit periodically allocates time slots to wireless power receiving apparatuses for wireless power transmission. When the received power level is smaller than a threshold in a first time slot allocated to one wireless power receiving apparatus, the control circuit extends a second time slot allocated to the one wireless power receiving apparatus, the second time slot preceding or following the first time slot.

Abstract: A charging cable is configured to rotate freely while attached to a cable plug on a chargeable device. The plug has contact pads separated by an insulator, and the matching cable head has pins for contacting the pads of the plug. There may be a ‘deadzone’ position where one or more pins of the cable head rest of the separator and do not make contact with the charge pads on the cable plug. The examples include pins in the cable head for redundant charging paths that are complimentary such that only one of the power paths will be on at any given time.

Abstract: An electronic device according to various embodiments comprises a communication module, a sensor module, a wireless charging antenna, a wireless charging module connected to the wireless charging antenna, and at least one processor, wherein the at least one processor may be configured to: receive a signal related to wireless charging from an external device through the communication module; check information indicating the degree of proximity between at least a part of a human body and the electronic device by using the sensor module at least on the basis of the signal; transmit, to the external device, data for adjusting wireless power to be output by the external device at least on the basis of the information; and receive the adjusted wireless power from the external device through the wireless charging module.

Abstract: A power transmitter is configured for transmission of wireless power, to a wireless receiver, at extended ranges, including a separation gap greater than 8 millimeters (mm). 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 at least one layer, the coil defining, at least, a top face. The power transmitter further includes a shielding comprising a ferrite core and defining a cavity, the cavity configured such that the ferrite core substantially surrounds all but the top face of the coil. The power transmitter includes at least one magnet, the at least one magnet configured to attract at least one receiver magnet when a power receiver is proximate to a surface associated with the power transmitter.

Abstract: Apparatuses, systems, and methods for transferring electrical power between an electrical power system of a vehicle and another device. In an illustrative embodiment, an apparatus includes a wireless transfer unit electrically coupled with a high voltage system of a vehicle and configured to enable wireless bidirectional power exchange between the high voltage system and an auxiliary device. The high voltage system is operable to power a drivetrain of the vehicle and the auxiliary device is separate from the vehicle and configured to at least one of provide electric power to and receive power from the high voltage system. A transfer control unit is configured to communicate with the wireless transfer unit and control at least one parameter specifying a transfer of electrical power between the high voltage system and the auxiliary device.

Abstract: Robot docking stations and systems and methods thereof can provide for automatic charging of mobile robots. Such stations can include a guide system configured to guide a mobile robot onto or into the station and prevent the robot from moving off or out of the station. The guide system can have zones or position-sensing parts that correspond to walking or rotating parts of a mobile robot (such as legs, wheels, or crawler belts of a robot), and one or more sensors of the station can be configured to sense when the walking or rotating parts of the robot are positioned over, in, or abutting the zones or position-sensing parts of the station. And, an electrical charger assembly of the station can be configured to move into a charging position when the sensor(s) sense that the robot parts are positioned over, in, or abutting the station zones or parts.

Abstract: An electronic device can include a housing component at least partially defining an internal volume and including a wall. A component can be disposed within the wall and at least partially surrounded by a material forming the housing. A battery can be disposed in the internal volume and electrically connected to the component.

Abstract: A novel semiconductor device or a semiconductor device capable of preventing overcharging is provided. A power receiving portion has a function of generating a signal for canceling a wireless signal transmitted from a power feeding portion when the charging is completed. Specifically, when the remaining battery capacity of the power receiving portion is one hundred percent or higher than or equal to a predetermined reference value, the power receiving portion has a function of generating an electromagnetic wave for canceling an electromagnetic wave transmitted from the power feeding portion. Thus, a magnetic field for canceling a magnetic field formed of the electromagnetic wave transmitted from the power feeding portion is formed, so that overcurrent in the power receiving portion can be prevented.

Abstract: A charger housing has an operating side, at least one battery charging port, which is accessible from the operating side, and a first fastening region, on the outer side of the housing, on a first fastening side which is different from the operating side. The first fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more first fastening elements. The charger housing also has a second fastening region, on the outer side of the housing, on a second fastening side which is different from the operating side and the first fastening side. The second fastening region is designed for detachably fastening the charger housing to a fastening support and has one or more second fastening elements. Use may be as a housing of a charger for recharging battery packs for electric gardening and forestry working apparatus.

Abstract: An apparatus for preventing a sub-frame of an electric vehicle with a wireless charging pad from being pushed back includes: a push bracket member having one side portion coupled to a front end module provided in front of a sub-frame of the electric vehicle and extending to be disposed between the sub-frame and a wireless charging pad mounted below the sub-frame. Upon a forward vehicle collision, the apparatus can induce deformation of the sub-frame equipped with the wireless charging pad to prevent the sub-frame from being pushed backward.

Abstract: Wireless charging devices and wireless charging systems are provided. The wireless charging devices may include a receiving part coil and an electromagnetic-wave shielding sheet on the receiving part coil. The electromagnetic-wave shielding sheet may have a specific magnetic permeability of 100 or greater from 100 khz to 300 khz and may include a metal foam including a soft magnetic metal component.

Abstract: A computer-implemented method comprises: continuously monitoring, by an assisted-driving (AD) system using a sensor, surroundings of a vehicle being controlled by a driver; detecting, by the AD system using the sensor, a parking spot that is available; planning, by the AD system and in response to detecting the parking spot, a trajectory for the vehicle to park in the parking spot; and generating a prompt to the driver, by the AD system and in response to detecting the parking spot, to have the AD system handle parking of the vehicle in the parking spot, the prompt performed before the vehicle reaches the parking spot.

Abstract: An inverter and power transmission coils are connected such that currents flow in opposite directions to each other when selection switches of respective power transmission coils adjacent to each other, out of a plurality of power transmission coils disposed in the movement direction of a mobile body, are caused to be conductive. The difference in currents flowing in the opposite directions is measured, and compared with a threshold, whereby whether or not a power reception coil mounted to the mobile body is present above the power transmission coil can be determined.

Abstract: A power transmission device includes power transmission coils arranged in a line, a power transmission circuit connected to the power transmission coils, and control circuitry that switches an electrical connection between the power transmission circuit and each power transmission coil, detects a relative position between the power receiving coil and each power transmission coil, selects two or more power transmission coils adjacent to each other based on the detected relative position, and causes the power transmission circuit to supply the AC power to the selected two or more power transmission coils. In an array direction of the power transmission coils, a width Dwt of each power transmission coil is shorter than a width Dwr of the power receiving coil. In a direction perpendicular to the array direction, a width Dlt of each power transmission coil is equal to or longer than a width Dlr of the power receiving coil.

Abstract: A wireless power receiving device for an electric vehicle is provided. A wireless power receiving device for an electric vehicle, according to an exemplary embodiment of the present invention, comprises: a wireless power receiving coil for receiving wireless power to be transmitted from the outside; a coil support member which has a position fixing means formed at a position corresponding to the wireless power receiving coil so as to fix the wireless power receiving coil, and which is made of a material including a magnetic substance so as to shield the magnetic field; a ferrite core including a plurality of ferrite block bodies which have predetermined areas and which are arranged on one surface of the coil support member so as to be adjacent to each other; and a plate-shaped metal plate for covering one surface of the ferrite core by having a predetermined area.

Abstract: The invention relates to power transfer device for inductively charging a water-bound vehicle, comprising: a power transfer part comprising a primary conductor arrangement; and at least one connecting member which has a first connecting portion for connecting the power transfer device to the surroundings and a second connecting portion for connecting the connecting member to the power transfer part; wherein the connecting member has a least one resilient portion that is configured to absorb shocks exerted onto the power transfer part. Further, the invention relates to a mooring area, comprising a respective power transfer device.

Abstract: A charging apparatus includes a movable unit, an ascending and descending device, a detection device, and a control device. The movable unit includes a connection device configured to connect to a power storage device. The ascending and descending device causes the movable unit to ascend or descend between a first state and a second state. The first state is a state in which the movable unit is housed under the ground. The detection device detects an obstacle above the movable unit. The control device prohibits ascent of the movable unit when determination is made that the movable unit is in the first state and the obstacle is present above the movable unit based on a detection result from the detection device.

Abstract: A wireless power transfer system is disclosed. The wireless power transfer system includes a first converting unit configured to convert a first DC voltage of an input power to a first AC voltage. Further, the wireless power transfer system includes a contactless power transfer unit configured to receive the input power having the first AC voltage from the first converting unit and transmit the input power. Also, the wireless power transfer system includes a second converting unit configured to receive the input power from the contactless power transfer unit and convert the first AC voltage of the input power to a second DC voltage. Furthermore, the wireless power transfer system includes a switching unit configured to decouple the second converting unit from the contactless power transfer unit if the second DC voltage across the electric load is greater than a first threshold value.

Abstract: Techniques for advanced wireless energy harvesting user equipments (UEs) to perform power splitting per receiver or receiver group. In an example, a UE may configure a first antenna of a plurality of receiving antennas of the UE according to a first factor of a plurality of power splitting factors and a second antenna of the plurality of receiving antennas according to a second factor of the plurality of power splitting factors, the second antenna being different from the first antenna. The UE may also perform energy harvesting operations on the first antenna according to the first factor and on the second antenna according to the second factor.

Abstract: A system (100) for testing of wireless power equipment in the form of a wireless power transmitter device and a wireless power receiver device is disclosed. The system (100) has a probe device (110) and an analyzer device (130). The probe device (110) has at least one pickup coil (112), the pickup coil being adapted to be placed between a surface of a housing of the wireless power transmitter device and a surface of a housing of the wireless power receiver device to generate electric signals by capturing electromagnetic signals exchanged between the wireless power transmitter and receiver devices pursuant to a wireless power transfer protocol. The probe device (110) also has an interface (114) for providing the electric signals generated by the pickup coil (112) to the analyzer device (130). The analyzer device (130) has an interface (132) for receiving the electric signals from the probe device (110).

Abstract: Devices and methods described herein relate to wireless recharging from a distance, and increasing the efficiency of such charging by intelligently or autonomously changing the rectification mode of the implanted device.

Abstract: A system for wireless power networking, preferably including one or more nodes, such as transmit nodes, receive nodes, relay nodes, and/or hybrid nodes. The system may function to form a power network (e.g., mesh network) configured to transfer power wirelessly between nodes of the system. A method for wireless power networking, preferably including transmitting power, controlling relay nodes, and/or receiving power, and optionally including optimizing power network operation. The method is preferably performed at (e.g., by one or more nodes of) the system, but can additionally or alternatively be performed by any other suitable system(s).

Abstract: A system for testing an assist function of electric vehicle wireless power transfer includes: a pit, a vehicle-assembly support platform, and an electromagnetic field strength measurement instrument. A ground-assembly support platform is arranged inside the pit, the vehicle-assembly support platform is arranged on an upper side of the ground-assembly support platform, and a to-be-tested member is arranged on an upper side of the ground-assembly support platform. A ground-assembly device coil is arranged on an upper surface of the ground-assembly support platform, a vehicle-assembly device coil is arranged inside the vehicle-assembly support platform, the ground-assembly device coil charges an entire vehicle, and the ground-assembly device coil further cooperates with the vehicle-assembly device coil to charge a vehicle component. A mechanical arm is arranged on ground of a test site, an interference member is arranged on a front end of the mechanical arm.

Abstract: A rigid wireless charging mouse pad includes a rigid board layer, a double-sided adhesive plate and a coil. The underside of the rigid board layer has a single-ring groove with an inner top groove wall. The double-sided adhesive plate is adhered to the inner top groove wall. The coil has surrounding rings arranged side by side with one another to form a coil module which is stacked on the double-sided adhesive plate in the single-ring groove and adhered by the double-sided adhesive plate to achieve a wireless charging effect by the mouse pad in the condition of having only one single-ring groove on the rigid board layer, so as to achieve the effects of reducing manufacturing difficulty, lowering manufacturing cost, and improving market competitiveness.

Abstract: A multi-cell inductive wireless power transfer system includes multiple transmitting elements. Each transmitting element includes one or more transmitting windings and one or more transmitting magnetic cores. The multi-cell inductive wireless power transfer system also includes multiple receiving elements. The transmitting elements are separated from the receiving elements by an air gap. Each receiving element includes one or more receiving windings and one or more receiving magnetic cores.

Abstract: A charging station for charging the battery of a vehicle, comprising: a base portion configured for mounting in a substructure; a charging portion having a charging outlet for connection to a vehicle; and a retraction mechanism for moving the charging portion between an extended position in which it extends out of the base portion and a retracted position; and a controller for controlling the retraction mechanism; the controller being configured to: determine whether a predetermined period of time has elapsed since the most recent charging from the charging outlet ceased; and cause the retraction mechanism to move the charging portion to the retracted position if the predetermined period of time is determined to have elapsed since the most recent electrical supply from the outlet.

Abstract: A wireless power transmitter may receive a request from a wireless power receiver to perform recalibration for a first type of foreign object detection (FOD) in response to the wireless power receiver attempting to change an electromagnetic parameter supplied by the wireless power transmitter. In response to receiving the request, the wireless power transmitter may perform a second type of FOD to produce a FOD result. When the FOD result indicates a foreign object is present or likely present, the wireless power transmitter may discontinue or limit wireless power transfer, and/or communicate the FOD result to the wireless power receiver. When the FOD result indicates a foreign object is not present or likely not present, the wireless power transmitter may communicate the FOD result to the wireless power receiver, perform the recalibration and continue with wireless power transfer.

Abstract: A power transfer system for supplying electric power to a battery of an electric vehicle including a control architecture including control arrangements capable of controlling the transmission of electric power to a battery of the electric vehicle as a function of detected temperatures at the transmitter and receiver coils. In a further aspect, the application relates to a method for controlling a power transfer system.

Abstract: The present invention provides a wireless charger with a flowing display effect, which comprises a shell, a wireless charging module and an effect display module, wherein the wireless charging module and the effect display module are respectively arranged in a first accommodating space and a second accommodating space formed by the shell, and users can directly use the wireless charger for charging operation; when the wireless charger is idle, the effect display module can provide better enjoyment and can interact with users, thus greatly improving the user's experience.

Abstract: The present disclosure provides for a wearable device having a wireless power receiving system that may inductively receive or transmit power. The wireless power receiving system includes a receiver coil having a profile that follows a contour of a bottom cover of the wearable device. A transmitter coil from a wireless charging device has a complementary profile that mates with the profile defined by the receiver coil. In one example, the wireless power receiving system includes a shielding, and a receiver coil attached to the shielding. The receiver coil further includes an inner wall and an outer wall connected by a top surface of a coil body. The inner wall defines a center opening in the receiver coil, wherein the receiver coil is conical in shape.

Abstract: The present specification relates to a wireless power transmission device, a wireless power reception device, a wireless power transmission method, a wireless power reception method, and a wireless power transmission system, wherein, when a wireless charging error is determined to have occurred during wireless charging between the wireless charging transmission device and the wireless power reception device, the wireless power transmission device transmits a broadcasting alarm message on the basis of out-of-band communication, the wireless power reception device receives the broadcasting alarm message, and the wireless power reception device can, upon receiving the broadcasting alarm message, transmit the alarm message to a Bluetooth device connected to the wireless power reception device.

Abstract: A wireless power system includes a phase locked loop (PLL) providing an input signal tuned in frequency, a plurality of dividers coupled to the PLL to divide the frequency of the input signal, a plurality of phase interpolators electrically connected to the plurality of dividers to generate multiple phases based on the input signal, and a plurality of drivers electrically connected to the plurality of phase interpolators to direct a plurality of output signals each having a different frequency to a plurality of sensor clusters, each sensor cluster operating at a different frequency.

Abstract: The present disclosure provides a signal processing method performed by a hybrid wireless power transmitting apparatus which is configured to transmit wireless power signals based on magnetic resonance and magnetic induction, the method comprising transmitting a first object detection signal via an inductive power transmitting unit and a second object detection signal via a magnetic resonant power transmitting unit alternatively; operating one of the inductive power transmitting unit and the magnetic resonant power transmitting unit which is selected based on an inductive response signal and a resonant response signal corresponding to the first object detection signal and the second object detection signal respectively; and transmitting wireless power signal via the selected power transmitting unit; and a hybrid wireless power transmitting apparatus using the method.

Abstract: A wireless device is provided and includes a substrate, a first coil and a second coil. The first coil is configured to be wound around a first axis, and the first coil is disposed on the substrate and is configured to operate in a wireless charging mode. The second coil is disposed on the substrate and configured to operate in a wireless communication mode. The wires of the second coil partially overlap the wires of the first coil.

Abstract: An electric power supply system includes an electric power reception apparatus and an electric power supply apparatus adapted to supply electric power to the electric power reception apparatus when the electric power reception apparatus is placed on the electric power supply apparatus. The electric power supply apparatus includes a plurality of electric power supply units adapted to supply electric power by electromagnetic induction to the electric power reception apparatus. A selection unit of the electric power supply apparatus selects, from the total plurality of electric power supply units, a plurality of electric power supply units whose location corresponds to a position where the electric power reception apparatus is placed, and a control unit controls the supply of electric power such that electric power is supplied to the electric power reception apparatus from the selected plurality of electric power supply units.

Abstract: A wireless power system has a wireless power transmitting device and a wireless power receiving device. The wireless power transmitting device may be a wireless charging mat or other device with a charging surface. The wireless power receiving device may be a portable electronic device receiving transmitted wireless power signals from the wireless power transmitting device while resting on the charging surface. A sensor in the wireless power transmitting device or elsewhere in the system may detect user input. In response to the user input, the wireless power receiving device may display information on the state of charge of a battery in the wireless power receiving device and other charging status information on a display of the wireless power receiving device. The user input may be a finger tap on the charging surface or other user input.

Abstract: An induction assembly may include a coil carrier, a coil winding, a core assembly, and a heat exchanger. The coil carrier may include an upper wall, a lower wall located opposite the upper wall, and a receiving space. The coil winding may be disposed in the receiving space. The core assembly may form a coil with the coil winding. The core assembly may include at least two core bodies that are spaced apart from one another by a gap. The heat exchanger may include an inner panel spaced apart from the core assembly and an outer wall located opposite the inner panel. The outer wall may limit a flow space through which a flow path of a cooling fluid for controlling a temperature of the induction assembly leads.

Abstract: A wireless power transmitter configured to transfer power to a wireless power receiver including primary coils comprising first and second bottom coils placed adjacent to each other in a line and each consisting of a single layer of 11 turns and a top coil stacked on the first and second bottom coils and consisting of a single layer of 12 turns; a shielding; and a full-bridge inverter, wherein the first and second bottom coils and the top coil have a substantially rectangular frame structure with a through hole in the center, wherein the top coil lies on a plane surface in the middle between the first and second bottom coils, wherein a distance from the center of the first and second bottom coils to the center of the top coil is set to a range of 21 mm to 25 mm, wherein the first and second bottom coils have a height of 48 mm to 50 mm and a width of 43 mm to 45 mm, and the through hole in the first and second bottom coils has a height of 25 mm to 27 mm and a width of 21 mm to 23 mm, wherein the top coil has a

Abstract: A “core” or “inlay” for a smartcard may comprise a first metal layer and a second metal layer, and may be formed by folding a single metal layer upon itself. A module cavity may be formed in the first metal layer by laser cutting, prior to laminating. An adhesive layer may be disposed between the two metal layers. A module opening may be formed in the second metal layer by milling, after laminating the first metal layer to the second metal layer. A slit in a metal layer may extend from an outer edge of the layer to the cavity or opening, thereby forming a coupling frame. The slit may have a termination hole at either end or at both ends of the slit. The slits of two metal layers may be positioned differently than one another.

Abstract: A system for inductive power transfer includes a charger. The charger is an inductive charger. The system also includes a first mobile device that includes a receiver to inductively receive power for the first mobile device. A charger for inductive charging includes a printed circuit board having a charger coil, a substantially planar magnetic layer, a charger drive circuit, and means for positioning a receiver in a power transfer position. A mobile device that receives power inductively includes a receiver to inductively receive power for the mobile device. A method for inductive power transfer to a mobile device, which includes a receiver, includes positioning the receiver in a power transfer position to inductively receive power from an inductive charger. The method further includes inductively transferring power from the charger to the receiver of the first mobile device.

Abstract: An electric power charge and discharge system for an electronic device having a battery, by which the electronic device can be used for a long period of time. In a wireless communication device including a wireless driving portion including a first battery and a wireless charging portion including a second battery, the first battery is charged by electric power from a fixed power supply and the second battery is charged by using electromagnetic waves existing in an external space. Further, the first battery and the second battery are discharged alternately, and during a period in which the first battery is discharged, the second battery is charged.

Abstract: Apparatuses and systems are provided for improving wireless power transmission for mobile devices. An enclosure for a mobile device may include a first electrical coil configured to establish a first wireless coupling with a transmitter coil of a power supply and a second electrical coil configured to establish a second wireless coupling with the first electrical coil and to establish a third wireless coupling with a receiver coil of a mobile device. A distance between the receiver coil and the transmitter coil may exceed a range over which the transmitter coil may be able to transfer power to the receiver coil via a single wireless coupling between the transmitter coil and the receiver coil. The first wireless coupling, the second wireless coupling, and the third wireless coupling, when established, may enable the transmitter coil to perform a wireless power transfer to the receiver coil.

Abstract: A method that includes: transmitting, by an electronic device, a first detecting signal when the electronic device is in a reverse wireless charging mode; receiving, by the electronic device at a gap moment between at least two adjacent moments at which the first detecting signal is transmitted, a second detecting signal transmitted by a wireless charging device; and if the second detecting signal received by the electronic device meets a preset condition, automatically switching, by the electronic device, from the reverse wireless charging mode to a forward wireless charging mode.

Abstract: A charging circuit and an electronic device are provided. The charging circuit includes a transmitting circuit. The transmitting circuit is configured to wirelessly transmit electric energy to a receiving circuit, receive a feedback signal of the receiving circuit, and wirelessly transmit a control signal to the receiving circuit.

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: An object of the invention is to make it possible to retain a wire for contactless energy transmission in a certain path with a simple configuration without using insert molding. A component for contactless energy transmission includes a base member including a flat portion, and a wire for contactless energy transmission, the wire being fixed onto a main surface of the flat portion while being arranged along a certain path.

Abstract: According to one embodiment, an electronic apparatus includes a processor configured to: acquire communication data from at least one communication apparatus that perform wireless communication with a plurality of the communication devices; acquire information related to a wireless power supply performed by a wireless power supply apparatus to the at least one communication apparatus; and generate a control signal indicating an instruction of at least one of the wireless power supply or the wireless communication based on the communication data and the information related to the wireless power supply.

Abstract: Provided are a wireless power transmission device and an operating method therefor, the device confirming an optimum phase adjustment degree for each antenna by applying a reference signal to at least one from among a plurality of patch antennas and sequentially applying a plurality of phase electric signals to each of the remaining antennas, when an RF wave is formed using electric signals from a plurality of power sources.

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 member 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; and a driving member allowing or disallowing rotation of the rotational shaft so as to maintain the support member in a first state in which a portable telephone can be charged, or in a second state in which an object can be accommodated in the accommodation space.