-
公开(公告)号：US10148114B2
公开(公告)日：2018-12-04
申请号：US15847048
申请日：2017-12-19
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
IPC: H01M10/44 , H01M10/46 , H02J7/00 , H02J50/10 , H02J7/02 , H02J5/00 , H02J17/00 , H02M7/217 , H02J50/90 , H02J50/12
Abstract: A method of controlling power in a wireless power receiver, the method including receiving an AC power via a reception coil, rectifying the AC power to a DC power and controlling the DC power applied to a load by comparing the DC power with a threshold voltage, wherein the controlling the DC power includes measuring a voltage of the DC power, allowing the load to enter a charging mode by transferring the DC power to the load when the measured voltage is equal to or greater than a first threshold voltage, maintaining the load in the charging mode when the measured voltage is equal to or greater than a second threshold voltage in a state of the charging mode, and blocking the DC power to the load when the measured voltage is less than the second threshold voltage.
-
公开(公告)号：US09647480B2
公开(公告)日：2017-05-09
申请号：US14397102
申请日：2013-04-26
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
CPC classification number: H02J7/008 , H02J5/005 , H02J7/025 , H02J17/00 , H02J50/10 , H02J50/12 , H02J50/90 , H02M7/2176
Abstract: Disclosed is a wireless power receiver for transferring power received from a wireless power transmitter to a load. The wireless power receiver includes a reception coil to receive AC power from the wireless power transmitter; a rectifying unit to rectify the received AC power into DC power; and a charging management unit to control DC power applied to the load by comparing the DC power with a threshold value.
-
公开(公告)号：US09634731B2
公开(公告)日：2017-04-25
申请号：US13835817
申请日：2013-03-15
Applicant: LG INNOTEK CO., LTD.
Inventor： Woo Kil Jung , Su Ho Bae , Hyoung Rae Kim
IPC: H04B5/00
CPC classification number: H04B5/0037 , H04B5/0087
Abstract: Disclosed is a wireless power transmitter. The wireless power transmitter for transmitting power to a wireless power receiver in a wireless scheme, includes a transmission circuit unit converting power supplied from a power supply unit into power having a frequency for resonance; a transmission induction coil coupling the converted power; and a transmission resonance coil disposed adjacent to the transmission induction coil to transfer the coupled power from the transmission induction coil to the wireless power receiver using the resonance, wherein the transmission circuit unit is vertically spaced apart from the transmission resonance coil.
-
公开(公告)号：US20160261144A1
公开(公告)日：2016-09-08
申请号：US14442208
申请日：2013-11-11
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
CPC classification number: H02J7/025 , H02J5/005 , H02J17/00 , H02J50/12 , H02J50/40 , H02J50/80 , H02J50/90
Abstract: A power supplying apparatus includes a power supply and an alternating current (AC) power generator. The power supply generates a direct current generator (DC) power. The alternating current (AC) power generator comprises an inductor configured to generate an AC power based on the DC power, wherein the AC power comprises a first AC power with a first AC voltage and a second AC power with a second AC voltage, and the first AC voltage and the second AC voltage have phases opposite to each other.
Abstract translation: 供电装置包括电源和交流（AC）发电机。 电源产生直流发电机（DC）电源。 交流（AC）发电机包括被配置为基于直流电力产生交流电力的电感器，其中交流电源包括具有第一交流电压的第一交流电和具有第二交流电压的第二交流电， 第一交流电压和第二交流电压具有彼此相反的相位。
-
公开(公告)号：US11050264B2
公开(公告)日：2021-06-29
申请号：US16667349
申请日：2019-10-29
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae , Dong Ho Yong
Abstract: A wireless power transmission apparatus can include a coil unit including a first layer including a first wireless power transmission coil having an asymmetric shape, and a second layer including a second wireless power transmission coil having an asymmetric shape, the first and second wireless power transmission coils being connected in parallel and partially overlapping with each other; and first and second terminals configured to simultaneously apply current to the first and second wireless power transmission coils connected in parallel, in which the first wireless power transmission coil and the second wireless power transmission coil have line symmetry with respect to an imaginary line extending between the first and second terminals and between the first and second layers.
-
Patent Agency Ranking
公开(公告)号：US10763686B2
公开(公告)日：2020-09-01
申请号：US16079460
申请日：2017-02-23
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
IPC: H02J7/02 , H02J50/40 , H02J50/90 , H02J50/10 , G06F3/039 , H02J7/00 , H02J50/70 , G06F3/0354 , H02J50/12 , H01F27/40 , H01F27/28 , H01F38/14 , H01Q1/24
Abstract: The present invention relates to a wireless charging system using a wireless charging system, and a device therefor. A wireless power receiving device according to one embodiment of the present invention may comprise: first to Nth receiving coils disposed to be partially overlapped on the same plane so as to receive wireless power signals; first to Nth output terminals formed to enable both ends of each of the first to Nth receiving coils to be connected thereto so as to transfer alternating current power induced by at least any one among the first to Nth receiving coils; and a rectifier for converting, into direct current power, the alternating current power to be input from the first to Nth output terminals. Therefore, the present invention has an advantage of minimizing charging interruptions and minimizing manufacturing costs of a wireless power transmitting device.
-
公开(公告)号：US10672557B2
公开(公告)日：2020-06-02
申请号：US16451608
申请日：2019-06-25
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
Abstract: Disclosed are a wireless power transmitter and a method of controlling power thereof. A wireless power transmitter includes a power supply device to supply AC power to the wireless power transmitter; and a transmission coil to transmit the AC power to a reception coil of a wireless power receiver by resonance. The wireless power transmitter controls transmission power to be transmitted to the wireless power receiver based on a coupling state between the transmission coil and the reception coil.
-
公开(公告)号：US10523062B2
公开(公告)日：2019-12-31
申请号：US15575708
申请日：2016-06-17
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
Abstract: The present invention relates to a multi-mode wireless power transmission method and a device for the same. A wireless power transmitter for supporting a plurality of wireless power transmission modes, according to one embodiment of the present invention, can comprise: a first transmitter for transmitting a first power signal corresponding to a first wireless power transmission mode; a second transmitter for transmitting a second power signal corresponding to a second wireless power transmission mode; and a first power cutoff circuit coupled to the first transmitter so as to block the incoming second power signal and allow the first power signal to pass therethrough. Therefore, the present invention can minimize power consumption in the wireless power transmitter supporting the plurality of wireless power transmission modes, and can maximize power transmission efficiency.
-
公开(公告)号：US10193392B2
公开(公告)日：2019-01-29
申请号：US15110665
申请日：2015-01-07
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae
Abstract: A wireless power transfer system according to an embodiment of the present invention is a wireless power transfer system having a receiving part for receiving power from a transmitting part, wherein the transmitting part comprises: a power conversion part comprising a full bridge inverter; and a control part for controlling the power conversion part using a pulse width modulation (PWM) control signal, the duty ratio of the PWM control signal being determined by a duty ratio in which the ratio of the magnitude of harmonics to the magnitude of a fundamental frequency among frequency components of the output signal of the power conversion part is a minimum.
-
公开(公告)号：US10181756B2
公开(公告)日：2019-01-15
申请号：US15133670
申请日：2016-04-20
Applicant: LG INNOTEK CO., LTD.
Inventor： Su Ho Bae , Ki Min Lee
Abstract: Disclosed are a wireless power transmitter and a power transmission method thereof. The wireless power transmitter includes a plurality of transmission resonance units, a detection power applying unit applying detection power to the transmission resonance units to detect a location of the wireless power receiver, and a current measuring unit measuring current generating from an inner part of the wireless power transmitter based on the applied detection power. The wireless power transmitter transmits the power through at least one transmitting resonance unit corresponding to the location of the wireless power receiver based on the measured current.
-
-
-
-
-
-
-
-
-
Search Results
65
records
(took 0.019 seconds)
