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公开(公告)号：US11063464B2
公开(公告)日：2021-07-13
申请号：US16315969
申请日：2017-07-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Han Seok Park , Young Mi Ha , Kang Ho Byun , Min Ho Kang , Dong Zo Kim , Se Ho Park , Keum Su Song
Abstract: An apparatus for changing a wireless charging mode includes a power receiving antenna configured to receive power from a power supply using a first frequency band, a communication circuit configured to communicate with the power supply using a second frequency band, a power management circuit configured to charge a battery using the received power, and a control circuit configured to be electrically connected with the power management circuit. In addition, various embodiments ascertained through the specification are possible.
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Patent Agency Ranking
公开(公告)号：US10468905B2
公开(公告)日：2019-11-05
申请号：US15689818
申请日：2017-08-29
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yu Su Kim , Ji Young Kim , Se Ho Park , Woo Jin Jung , Young Joon Park , Jung Su Park
Abstract: An electronic device is provided. The electronic device includes a power receiver (PRx) that includes a receiver coil for receiving a power signal from a wireless power transmitting device and a wireless charging integrated circuit (IC) for converting the power signal into electrical energy, a power management circuit that is electrically connected to the PRx and configured to charge a battery using the electrical energy, and a processor that is electrically connected with the PRx and the power management circuit. The processor activates a power hold mode (PHM) if a charging level of the battery is a fully charged level and controls auxiliary charging of the battery.
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公开(公告)号：US10854375B2
公开(公告)日：2020-12-01
申请号：US15805601
申请日：2017-11-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Keum Su Song , Ji Won Kim , Se Ho Park , Ki Tae Lee , Chang Ho Lee , Chi Hyun Cho
Abstract: An electronic device is provided. The electronic device includes a housing and a first coil disposed in the housing and wound around a space formed inside. The housing includes a front cover and a rear cover. The rear cover includes a hole located in a first region of the rear cover that corresponds to the space of the first coil, a first slit that extends from an edge of the rear cover to the hole, and a second slit spaced apart from the first slit and extending from the edge. One end of the second slit is located in a second region of the rear cover that corresponds to the first coil. In addition, various other embodiments recognized through the present specification are possible.
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公开(公告)号：US10797509B2
公开(公告)日：2020-10-06
申请号：US16671776
申请日：2019-11-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yu Su Kim , Ji Young Kim , Se Ho Park , Woo Jin Jung , Young Joon Park , Jung Su Park
Abstract: An electronic device is provided. The electronic device includes a power receiver (PRx) that includes a receiver coil for receiving a power signal from a wireless power transmitting device and a wireless charging integrated circuit (IC) for converting the power signal into electrical energy, a power management circuit that is electrically connected to the PRx and configured to charge a battery using the electrical energy, and a processor that is electrically connected with the PRx and the power management circuit. The processor activates a power hold mode (PHM) if a charging level of the battery is a fully charged level and controls auxiliary charging of the battery.
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公开(公告)号：US10938243B2
公开(公告)日：2021-03-02
申请号：US16328361
申请日：2017-08-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dong Zo Kim , Kyoung Won Kim , Han Seok Park , Se Ho Park , Yu Su Kim , Keum Su Song , Ju Hyang Lee , Hyung Koo Chung , Kyung Min Park , Yong Sang Yun
Abstract: A power transmitting unit is provided. The power transmitting unit includes a signal generator configured to generate a signal of a first frequency band for wireless charging, a power generation circuit configured to generate a modulation signal for modulating the signal of the first frequency band generated by the signal generator, and amplify a transmit power of the signal of the first frequency band based on voltage supplied from the outside of the power transmitting unit, a power transmission circuit configured to transmit the amplified transmit power to a power receiving unit via a first antenna, a second antenna configured to receive information about a charging state from the power receiving unit through a second frequency band, and a control circuit configured to control a duty and frequency of the modulation signal based on the charging state.
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公开(公告)号：US10056945B2
公开(公告)日：2018-08-21
申请号：US15412764
申请日：2017-01-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Dong Zo Kim , Kwang Seob Kim , Se Ho Park , Yu Su Kim , Han Seok Park , Keum Su Song , Ju Hyang Lee , Min Cheol Ha
CPC classification number: H04B5/0037 , H01Q1/243 , H02J50/10 , H02J50/12 , H02J50/50 , H02J50/80 , H04B5/0031 , H04B5/0081
Abstract: A leakage power processing method of an electronic device including a first conductive pattern that sends and receives a communication signal associated with a communication function, a second conductive pattern that is arranged adjacent to the first conductive pattern and sends and receives a power signal used for charging, and a communication hardware interface electrically connected with the first conductive pattern is provided. The leakage power processing method includes determining, by a processor of an electronic device, whether a specific power signal is induced through the second conductive pattern and forming, by the processor of the electronic device, a closed loop including the first conductive pattern if the specific power signal of a specific magnitude or greater is induced.
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