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公开(公告)号：US20160359370A1
公开(公告)日：2016-12-08
申请号：US15162179
申请日：2016-05-23
Applicant: LG INNOTEK CO., LTD.
Inventor： Soo Young PARK , Su Bin PARK , Jong Heon LEE
CPC classification number: H02J50/12 , B60L11/182 , H02J7/025 , H02J50/20
Abstract: An apparatus for receiving a wireless power signal includes a detection unit configured to discover a power signal having plural components, each generated by plural wireless charging techniques, a recognition unit configured to analyze the power signal to recognize which component of the power signal can be corresponding to each of the plural wireless charging techniques, a combination unit configured to combine outputs of the recognition unit into a single energy signal, and a charging unit configured to use the energy signal for charging a battery.
Abstract translation: 一种用于接收无线电力信号的装置，包括检测单元，被配置为发现具有由多个无线充电技术产生的多个分量的功率信号，识别单元，被配置为分析功率信号，以识别功率信号的哪个分量可以对应 对于多个无线充电技术中的每一个，被配置为将识别单元的输出组合成单个能量信号的组合单元和被配置为使用能量信号来对电池充电的充电单元。
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公开(公告)号：US20190140469A1
公开(公告)日：2019-05-09
申请号：US16096414
申请日：2017-03-17
Applicant: LG INNOTEK CO., LTD.
Inventor： Jong Heon LEE
Abstract: The present invention relates to a wireless charging method, and an apparatus and a system therefor. A wireless charging method in a wireless power transmitter, according to an embodiment of the present invention, may comprise the steps of: controlling transmission power on the basis feedback signal periodically received from wireless power receiver during power transmission; determining whether or not the wireless power receiver is present in a charging area during the power transmission; and maintaining the intensity of the transmission power constant if the result of the determination shows that the wireless power receiver is not present in the charging area. Therefore, the present invention is advantageous that it is possible to prevent, in advance, the power transmission from being unnecessarily stopped against a user's intention.
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公开(公告)号：US20180301936A1
公开(公告)日：2018-10-18
申请号：US15768169
申请日：2016-09-12
Applicant: LG INNOTEK CO., LTD.
Inventor： Yun Bok LEE , Jong Heon LEE
Abstract: The present invention relates to a multi-coil wireless charging method and a device and a system therefor, a wireless power transmitter for wirelessly transmitting power to a wireless power receiver, according to one embodiment of the present invention, comprising: a power transmission unit which comprises at least two or more transmission coils; a control unit which controls so that a predetermined first detection signal for detecting the existence of a wireless power receiver is transmitted through the transmission coils in a predetermined order; and a modulation/demodulation unit which, if a predetermined first signal strength indicator associated with the first detection signal is received from the wireless power receive, transmits the received first signal strength indicator to the control unit, wherein the control unit may control so that a second detection signal is transmitted through the transmission coils through which the first signal strength indicator was received. Thus, the present invention has a merit of enabling a quicker and more accurate detection of a wireless power receiver.
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公开(公告)号：US20180166905A1
公开(公告)日：2018-06-14
申请号：US15573023
申请日：2016-05-02
Applicant: LG INNOTEK CO., LTD.
Inventor： Soo Young PARK , Su Bin PARK , Jong Heon LEE
Abstract: Disclosed is a wireless power transmission apparatus. The present apparatus comprises: a first wireless power transmission unit which is connected to a first sensing unit to wirelessly transmit power to a wireless power reception apparatus; a second wireless power transmission unit which is connected to a second sensing unit; and a control unit for controlling the second sensing unit to sense induced current which is induced to the second wireless power transmission unit if the wireless power reception apparatus moves in the direction of the second wireless power transmission unit while power is being wirelessly transmitted to the wireless power reception apparatus, wherein the control unit can wirelessly transmit power to the wireless power reception apparatus through the second wireless power transmission unit if the magnitude of the sensed induced current exceeds a predetermined reference level. Accordingly, apparatus efficiency and user convenience can be improved.
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5.发明申请公开(公告)号：US20170359102A1
公开(公告)日：2017-12-14
申请号：US15536205
申请日：2015-12-18
Applicant: LG INNOTEK CO., LTD.
Inventor： Soo Young PARK , Jong Heon LEE
Abstract: Disclosed are a wireless power transmitting apparatus and a wireless charging system. The wireless power transmitting apparatus includes: a detecting unit which detects transmitting current of a wireless power transmitting coil; and a charge monitoring unit which is able to determine that wireless charging has been completed when the detected transmitting current is shown to be below a charging threshold value over a set amount of time.
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Patent Agency Ranking
公开(公告)号：US20210194296A1
公开(公告)日：2021-06-24
申请号：US16076079
申请日：2017-02-02
Applicant: LG INNOTEK CO., LTD.
Inventor： Min Young JO , Jong Heon LEE , Yong Suk CHAE
Abstract: The present invention relates to a wireless charging method and apparatus and system therefor. A wireless power transmission apparatus for wirelessly transmitting power to a wireless power receiving apparatus according to one embodiment of the present invention comprises: a power transmission unit for sending a power signal through a transmission coil; a power conversion unit for converting an intensity of the power applied from the outside and transferring the converted power to the power transmission unit; a communication unit for receiving a packet from the wireless power receiving apparatus; and a control unit for controlling power on the basis of a control error value received through the communication unit, wherein, when an unexpected packet is received in a power transmission stage, the control unit may control power by applying a predetermined offset to the control error value. Thus, the present invention has an advantage of being able to minimize the interruption of wireless charging.
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7.发明申请公开(公告)号：US20190288561A1
公开(公告)日：2019-09-19
申请号：US16429943
申请日：2019-06-03
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho BAE , Dong Ho YONG , Do Hyun WON , Jong Heon LEE
Abstract: A wireless power receiver for transferring a power received from a wireless power transmitter to a load, the wireless power receiver including a receiving coil configured to receive an AC power from the wireless power transmitter, a rectifier configured to rectify the AC power into a DC power and a controller configured to monitor a DC voltage at an output of the rectifier, in which the wireless power receiver transceives information with the wireless power transmitter through an in-band communication, and the controller creates a control signal to adjust the AC power received from the wireless power transmitter and continuously is configured to charge the load when a charging state is changed.
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8.发明申请公开(公告)号：US20180145544A1
公开(公告)日：2018-05-24
申请号：US15568199
申请日：2016-04-20
Applicant: LG INNOTEK CO., LTD.
Inventor： Soo Young PARK , Su Bin PARK , Jong Heon LEE
Abstract: The purpose of the present invention is to provide a network-based wireless power control method, and an apparatus and a system therefor. A wireless power control method in a serving wireless power transmission apparatus, according to a first embodiment of the present invention, comprises the steps of: when power is applied, activating the Bluetooth function; transmitting a beacon signal using a resonance frequency band; when an uplink Bluetooth signal generated by a wireless power reception apparatus is detected, measuring a first reception sensitivity for the Bluetooth signal; receiving second to n-th reception sensitivities corresponding to the Bluetooth signal from at least one other wireless power transmission apparatus connected via a network; and determining, on the basis of the first to n-th reception sensitivities, whether or not transmission of wireless power is possible. Accordingly, the present invention has an advantage of being capable of more effectively transmitting wireless power using a plurality of wireless power transmission apparatuses connected via a network.
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公开(公告)号：US20170141605A1
公开(公告)日：2017-05-18
申请号：US15321532
申请日：2015-06-25
Applicant: LG INNOTEK CO., LTD.
Inventor： Jong Heon LEE , Soo Young PARK
CPC classification number: H02J50/12 , H02J7/025 , H02J50/20 , H02J50/60 , H02J50/80 , H02J2007/0001 , H02J2007/0096
Abstract: A transmitter for transmitting wireless power according to an embodiment of the present invention includes a transmission side communication unit, wherein the transmission side communication unit transmits a first control signal to a reception side communication unit, then receives a second control signal including information about an amount of power of the first control signal from the reception side communication unit, and controls the amount of power of the first control signal by comparing the amount of power of the first control signal with a predetermined range based on the second control signal.
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10.发明申请公开(公告)号：US20190356175A1
公开(公告)日：2019-11-21
申请号：US16077184
申请日：2017-02-02
Applicant: LG INNOTEK CO., LTD.
Inventor： Min Young JO , Jong Heon LEE , Yong Suk CHAE
Abstract: A wireless power transmitter having a plurality of transmission coils is disclosed. The present transmitter comprises: first to Nth coils; and a control unit for transmitting, to a wireless power receiver, a first sensing signal through the first to Nth coils, and adjusting transmission orders of the first to Nth coils for transmitting a second sensing signal, on the basis of the signal strength of a received first signal strength indicator when the first signal strength indicator corresponding to the first sensing signal is received, wherein the control unit can transmit, to the receiver, the second sensing signal through the first to Nth coils on the basis of the adjusted transmission orders. Therefore, device efficiency and user convenience can be improved.
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