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公开(公告)号：EP4216399A1
公开(公告)日：2023-07-26
申请号：EP21933389.5
申请日：2021-12-14
发明人： LEE, Chongmin , YEO, Sungku , BYUN, Kangho , SHIN, Jaesun , LEE, Jeongman , HAN, Hyoseok
摘要： According to various embodiments, an electronic device comprises: a power transmitter; a first communication interface for supporting a UWB communication scheme; a second communication interface for supporting a Bluetooth communication scheme; and a processor, wherein the processor can be configured to: transmit a first signal through the first communication interface; control the first communication interface to receive a second signal corresponding to the first signal; confirm first position information of a first external device on the basis of a transmission/reception time difference between the first signal and the second signal; control, on the basis of the inclusion of a first distance between the first external device and the electronic device in a first range, the power transmitter to transmit first driving power having a first magnitude - the first distance being confirmed according to the first position information; form, through the second communication interface after transmitting the first driving power, a Bluetooth communication connection with the first external device on the basis of the reception of a first packet transmitted from the first external device by using the first driving power; and control the power transmitter to transmit first charging power having a second magnitude, after performing a procedure for charging on the basis of the Bluetooth communication connection.
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公开(公告)号：EP3949105A1
公开(公告)日：2022-02-09
申请号：EP20809089.4
申请日：2020-05-21
发明人： PARK, Sungbum , LEE, Kyungwoo , PARK, Jaehyun , YEO, Sungku , LEE, Jeongman
IPC分类号： H02N11/00 , H02K35/02 , H02N2/18 , H02N1/04 , H02S50/00 , H01L35/28 , G01R19/165 , G01R31/382 , G01K1/02
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公开(公告)号：EP4366087A1
公开(公告)日：2024-05-08
申请号：EP22864987.7
申请日：2022-08-29
发明人： KIM, Joonhong , PARK, Jaehyun , PARK, Jaeseok , YEO, Sungku , RYU, Youngho
IPC分类号： H01Q13/10
CPC分类号： H01Q13/10
摘要： An electronic device is provided. The electronic device comprises: a resonator having a first slot formed; a first inverter connected to a first point and a second point on the first slot of the resonator, and set so as to provide power to the first slot in order to detect a foreign object, wherein the first point and the second point on the first slot are located across from each other with the first slot located therebetween; a second inverter connected to a third point and a fourth point on the resonator, which are different from the first point and the second point, and set so as to transfer power to the resonator; and a controller. The controller may be set to: control the first inverter so as to apply a first power having a first frequency to the first slot; while the first power is applied to the first slot, check at least one first impedance for the first point and the second point; on the basis of the at least one first impedance, check an external object adjacent to the electronic device; and, during a period at least partially overlapping with the period during which the first power is applied to the resonator, control the second inverter so as to apply a second power having a second frequency different from the first frequency to the third point and the fourth point in order to provide power wirelessly to an external wireless power receiving device.
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公开(公告)号：EP4283829A1
公开(公告)日：2023-11-29
申请号：EP22798976.1
申请日：2022-02-04
发明人： GU, Beomwoo , BYUN, Kangho , YEO, Sungku , LEE, Chongmin , CHOI, Bohwan , HAN, Hyoseok
摘要： According to various embodiments, a wireless power reception device that receives wireless power from a wireless power transmission device comprises a first circuit, a first rectifier circuit, a detune circuit, and a control circuit, wherein: the first circuit includes a first coil; the first rectifier circuit includes a first switch and a second switch among a plurality of switches; the detune circuit includes at least one detuning capacitor and at least one detuning switch; and the control circuit, in response to the voltage of an output terminal of the first rectifying circuit exceeding a first voltage, controls the at least one detuning switch to be in an ON state, and controls the first switch and the second switch to be in an ON state, thereby forming a closed loop including the first coil, the first switch, and the second switch.
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5.发明公开
公开(公告)号：EP4187756A1
公开(公告)日：2023-05-31
申请号：EP21856045.6
申请日：2021-06-16
发明人： YEO, Sungku , GU, Beomwoo , PARK, Jaeseok , PARK, Jaehyun , BYUN, Kangho , RYU, Youngho , LEE, Jeongman , LEE, Chongmin
摘要： According to various embodiments, a wireless power transmission device may be provided. The wireless power transmission device may comprise: a power provider configured to provide direct current power; a power converter configured to output multiple alternating current powers through a first output path and a second output path, respectively, by using the direct current power received from the power provider; a first resonator and a second resonator connected to the first output path and the second output path, respectively; a power sensor configured to measure current and/or voltage applied to each of the first resonator and the second resonator; and a controller. The controller may be configured to: perform a detection operation of an external electronic device for each of the first resonator and the second resonator on the basis of a measurement result from the power sensor; select a resonator for performing charging of the external electronic device, on the basis of the detection operation for each of the first resonator and the second resonator; and control the power converter to apply power for charging to the selected resonator, wherein a first diameter of a first coil of the first resonator is smaller than a second diameter of a second coil of the second resonator, and the first coil is disposed on the inner side of the second coil.
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6.发明公开
公开(公告)号：EP4322373A1
公开(公告)日：2024-02-14
申请号：EP22876811.5
申请日：2022-09-27
发明人： GU, Beomwoo , KIM, Daehyun , PARK, Jaeseok , PARK, Jaehyun , YEO, Sungku , LEE, Jeongman
摘要： This wireless power transmission device comprises: a transistor configured to output a signal corresponding to a set operating frequency on the basis of an input signal and a driving voltage; a matching circuit connected to the transistor; a transmitting coil connected to the matching circuit; an LC resonant circuit connected in parallel between the transistor and the matching circuit and configured to transmit a signal corresponding to at least one harmonic frequency of the operating frequency; and an impedance sensing circuit connected to the LC resonant circuit and configured to sense the load impedance of the wireless power transmission device on the basis of a signal corresponding to the at least one harmonic frequency transmitted through the LC resonant circuit. The matching circuit may be configured to provide impedance matching of the sensed load impedance by adjusting the impedance of the matching circuit or the impedance of the transmitting coil.
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公开(公告)号：EP4191827A1
公开(公告)日：2023-06-07
申请号：EP21849973.9
申请日：2021-05-31
发明人： GU, Beomwoo , PARK, Jaehyun , BYUN, Kangho , PARK, Jaeseok , YEO, Sungku , LEE, Jeongman , LEE, Chongmin , HAN, Hyoseok
摘要： According to various embodiments, a wireless power receiver for receiving wireless power from a wireless power transmitter comprises: a resonance circuit which comprises a first coil, a second coil, and a first capacitor and which is configured to receive the wireless power; and a two-way switch, wherein, when the two-way switch is in an on state, the resonance circuit can be configured to receive the wireless power since a current is induced, on the basis of a magnetic field generated by the wireless power transmitter, in a first circuit comprising the first coil and the first capacitor and a current is induced, on the basis of a magnetic field generated by the first circuit, in a second circuit comprising the second coil, and, when the two-way switch is in an off state, the resonance circuit can be configured to receive the wireless power since a current is induced, on the basis of the magnetic field generated by the wireless power transmitter, in a third circuit comprising the first coil, the second coil, and the first capacitor. Various other embodiments are possible.
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公开(公告)号：EP4107841A1
公开(公告)日：2022-12-28
申请号：EP21808015.8
申请日：2021-04-08
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公开(公告)号：EP4346006A1
公开(公告)日：2024-04-03
申请号：EP22855962.1
申请日：2022-05-02
发明人： PARK, Jaehyun , GU, Beomwoo , PARK, Jaeseok , YEO, Sungku , RYU, Youngho , LEE, Kyungwoo , LEE, Jeongman
摘要： An annular resonator and a wireless power transmission device are provided. The annular resonator comprises: a structure which includes an upper surface, a lower surface, an outer surface and an inner surface, and which is arranged according to annular shape; a plurality of conductors; and a plurality of capacitors connected, respectively, to the plurality of conductors, wherein each conductor includes a first section arranged on the upper surface, a second section, which extends from the first section and is arranged on the outer surface, a third section, which extends from the second section and is arranged on the lower surface, and a fourth section, which extends from the third section and is arranged on the inner surface, wherein the first section of respective first, second, third and fourth conductors can be sequentially arranged along the upper surface, and the second section of respective second, third, fourth and first conductors can be sequentially arranged along the outer surface.
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公开(公告)号：EP4333260A1
公开(公告)日：2024-03-06
申请号：EP22893322.2
申请日：2022-11-15
发明人： PARK, Jaehyun , GU, Beomwoo , PARK, Jaeseok , BYUN, Kangho , SHIN, Jaesun , YEO, Sungku , RYU, Youngho
摘要： The present disclosure provides a variable wireless power transmission apparatus including a plurality of resonators and a control method of the wireless power transmission apparatus. The wireless power transmission apparatus of the present disclosure comprises: a housing; a power amplifier disposed inside the housing; a first resonator which includes at least one coil and is fixed to a first portion of the housing; a second resonator which includes at least one coil and is disposed to be rotatable in a second portion of the housing to form a variable angle with the first resonator; a sensor that senses a change in shape according to rotation of the second resonator; a controller that identifies a change in shape of the first resonator and the second resonator on the basis of a signal sensed by the sensor, identifies whether or not there is impedance matching for the first resonator or the second resonator, on the basis of the identifying of the change in shape, and generates a control signal for impedance matching for the first resonator or the second resonator, on the basis of identifying impedance mismatching; and a matching circuit which includes at least one coil and at least one capacitor and which is electrically connected between the first resonator and the power amplifier and matches impedance on the basis of the control signal received from the controller.
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