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公开(公告)号：US10290418B2
公开(公告)日：2019-05-14
申请号：US14142571
申请日：2013-12-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Young Ho Ryu , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Keum Su Song , Chi Hyung Ahn , Chang Wook Yoon , Jin Sung Choi
Abstract: A resonant apparatus in a wireless power transmission system, includes a main resonant unit configured to form magnetic resonant coupling between the resonant apparatus and a resonator. The resonant apparatus further includes a field guiding resonant unit configured to focus a magnetic field on an internal portion of the main resonant unit, and a field additive resonant unit configured to adjust a magnitude of a magnetic field formed between the main resonant unit and the field guiding resonant unit.
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公开(公告)号：US10224754B2
公开(公告)日：2019-03-05
申请号：US15088783
申请日：2016-04-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park
IPC: H02J50/12 , H02J50/70 , H02J50/50 , H02J5/00 , H02J7/02 , H04B5/00 , B60L11/18 , H02J50/80 , H02J50/90 , H02J50/40
Abstract: A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. In one embodiment, a resonance frequency control method of a wireless power transmitter may include: generating communication power used for communication in a plurality of target devices using a reference resonance frequency; transmitting communication power to the plurality of target devices; transmitting charging power to the plurality of target devices; and adjusting the reference resonance frequency based on a reflected wave of the charging power, the amount of power received by one or more of the target devices, the amount of the charging power, the transmission efficiency of the charging power, or any combination thereof.
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公开(公告)号：US10199883B2
公开(公告)日：2019-02-05
申请号：US15177732
申请日：2016-06-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nam Yun Kim , Sang Wook Kwon , Yun Kwon Park , Jin Sung Choi
Abstract: Provided is an apparatus and method that may stably perform wireless transmission. According to one general aspect, a power supply for a wireless power transmitter may include: a detecting unit configured to detect voltage, current, or both supplied to a power amplifier (PA); a controller configured to determine power supplied to the PA based on the detected voltage, the detected current, or both, and to determine a reference current based on the determined power supplied to the PA; and a breaker configured to cut off the power supplied to the PA based on a comparison of current supplied to the PA and the reference current.
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公开(公告)号：US10050479B2
公开(公告)日：2018-08-14
申请号：US15218142
申请日：2016-07-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Eun Seok Park , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Dong Zo Kim , Yun Kwon Park , Young Ho Ryu , Chang Wook Yoon , Jin Sung Choi , Young Tack Hong
CPC classification number: H02J50/90 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/80 , H04B5/0037 , H04B5/0075
Abstract: A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power.
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公开(公告)号：US09819197B2
公开(公告)日：2017-11-14
申请号：US14332758
申请日：2014-07-16
Applicant: Samsung Electronics Co., Ltd.
Inventor： Nam Yun Kim , Sang Wook Kwon , Ki Young Kim , Bong Chul Kim , Yun Kwon Park , Jae Hyun Park , Young Ho Ryu
CPC classification number: H02J50/70 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/60 , H02J50/80 , H04B5/0031 , H04B5/0037 , H04W52/243
Abstract: An interference control method of a power transmitting unit (PTU) includes determining whether the PTU is in an interference environment in which interference by a neighbor PTU occurs, and controlling a communication parameter of either one or both of the neighbor PTU and a power receiving unit (PRU) in response to a result of the determining being that the PTU is in the interference environment.
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Patent Agency Ranking
公开(公告)号：US09796281B2
公开(公告)日：2017-10-24
申请号：US14323132
申请日：2014-07-03
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jae Hyun Park , Young Ho Ryu , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Dong Zo Kim , Bong Chul Kim , Yun Kwon Park , Keum Su Song , Chi Hyung Ahn , Byoung Hee Lee
CPC classification number: B60L11/182 , B60L11/1824 , B60L11/1861 , B60L2210/10 , B60L2210/30 , B60L2210/40 , B60L2230/16 , H02J17/00 , H02J50/10 , H02J50/12 , H02J50/90 , H04B5/0037 , Y02T10/7005 , Y02T10/7044 , Y02T10/705 , Y02T10/7088 , Y02T10/7216 , Y02T10/7241 , Y02T90/121 , Y02T90/122 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/163
Abstract: A wireless power transmission apparatus includes a plurality of transmission (TX) resonators configured to resonate with at least one reception (RX) resonator, and wirelessly transmit power to the at least one RX resonator; and a frequency controller configured to control the input frequency so that power is stably supplied to the at least one RX resonator.
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公开(公告)号：US09793740B2
公开(公告)日：2017-10-17
申请号：US14089112
申请日：2013-11-25
Applicant: Samsung Electronics Co., Ltd. , IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)
Inventor： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Young Jin Moon , Yun Kwon Park , Keum Su Song , Chi Hyung Ahn , Young Ho Ryu , Chang Sik Yoo , Chang Wook Yoon , Jin Sung Choi
Abstract: An apparatus and a method for charge control are provided. The apparatus for charge control may include an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier, and the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage. The apparatus for charge control may include a rectification unit configured to convert an AC power received wirelessly into a DC power; and a DC/DC converter configured to step down a voltage level of the DC power to a voltage level required by a load in the receiving mode.
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公开(公告)号：US09742473B2
公开(公告)日：2017-08-22
申请号：US14708844
申请日：2015-05-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dong Zo Kim , Sang Wook Kwon , Ki Young Kim , Nam Yun Kim , Yun Kwon Park , Eun Seok Park , Young Ho Ryu , Chang Wook Yoon , Jin Sung Choi , Young-tack Hong
IPC: H04B5/00
CPC classification number: H04B5/0037 , H04B5/0031 , H04B5/0081
Abstract: An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.
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公开(公告)号：US09736853B2
公开(公告)日：2017-08-15
申请号：US14807401
申请日：2015-07-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nam Yun Kim , Sang Wook Kwon , Eun Seok Park
CPC classification number: H04W72/085 , B60L11/182 , B60L11/1833 , B60L11/1846 , B60L2210/30 , B60L2210/40 , H02J5/005 , H02J7/025 , H02J50/12 , H02J50/40 , H02J50/70 , H04B5/0037 , H04B5/0081 , H04W24/08 , H04W52/346 , Y02T10/7005 , Y02T10/7072 , Y02T10/7241 , Y02T90/121 , Y02T90/122 , Y02T90/125 , Y02T90/127 , Y02T90/128 , Y02T90/14 , Y02T90/16 , Y02T90/163 , Y02T90/169 , Y04S30/14
Abstract: A communication apparatus in a wireless power transmission system includes an operating mode converter configured to switch an operating mode of the communication apparatus between a transmitting mode and a receiving mode according to a predetermined timing; and a transmitting unit configured to transmit state information of a channel occupied by a source including the communication apparatus using a continuous wave signal while the communication apparatus is operating in the transmitting mode irrespective of whether the communication apparatus is performing communication via the occupied channel. The source including the communication apparatus is configured to transmit wireless power. The occupied channel has been assigned to the source including the communication apparatus from a plurality of channels available in a communication cell for assignment to a plurality of sources each configured to transmit wireless power.
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公开(公告)号：US09647485B2
公开(公告)日：2017-05-09
申请号：US14847233
申请日：2015-09-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Nam Yun Kim , Sang Wook Kwon
CPC classification number: H02J7/025 , H02J5/005 , H02J7/04 , H02J50/12 , H02J50/40 , H02J50/80 , H04B5/0037 , H04B5/0093
Abstract: A portable device is provided. The portable device includes a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power, a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy, a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage, and a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.
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