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公开(公告)号：US11962175B2
公开(公告)日：2024-04-16
申请号：US17085117
申请日：2020-10-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Beomwoo Gu , Kangho Byun , Hyunseok Shin , Sungku Yeo , Youngho Ryu , Chongmin Lee
CPC classification number: H02J7/00308 , H02J7/0047 , H02J7/02 , H02J50/12 , H02J50/80
Abstract: According to an embodiment, an electronic device may include a battery, a resonance circuit, a rectifier, a DC/DC converter, a charger, a switch, an overvoltage protection circuit configured to perform an overvoltage protection operation or to stop the overvoltage protection operation based on the voltage at the output terminal of the rectifier, a control circuit, and a communication circuit, and the control circuit may be configured to: based on a periodic repetition of a performance of the overvoltage protection operation and a stop of the overvoltage protection while the switch is in an off state, identify a first period during which the overvoltage protection operation is stopped, based on the first period, identify an expected voltage at an output terminal of the rectifier, to be expected, wherein the expected voltage is a voltage if the switch is in an on state, based on the expected voltage, identify whether an occurrence of an overvoltage is expected if the switch is in the on state, and control the communication circuit to transmit a communication signal including information about whether the occurrence of the overvoltage is expected.
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公开(公告)号：US11962169B2
公开(公告)日：2024-04-16
申请号：US17580186
申请日：2022-01-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chongmin Lee , Sungku Yeo , Kangho Byun , Jaesun Shin , Jeongman Lee , Hyoseok Han
CPC classification number: H02J50/90 , H02J50/12 , H04B5/0037 , H04W4/80
Abstract: An electronic device includes a power transmitter; a first communication interface configured to support an Ultra-Wideband (UWB) communication scheme; a second communication interface configured to support a Bluetooth communication scheme; and a processor configured to: control the first communication interface to transmit a first signal and receive a second signal corresponding to the first signal via the first communication interface, identify, based on a difference between a transmission time of the first signal and a reception time of the second signal, first location information of a first external device, control the power transmitter to transmit a first driving power having a first magnitude, based on a first distance between the first external device and the electronic device being within a first range, the first distance being identified based on the first location information, establish a Bluetooth communication connection with the first external device, based on receiving, via the second communication interface, a first packet transmitted from the first external device using the first driving power, after transmitting the first driving power, and control the power transmitter to transmit a first charging power having a second magnitude, after establishing the Bluetooth communication connection.
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公开(公告)号：US11688941B2
公开(公告)日：2023-06-27
申请号：US17051387
申请日：2019-08-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Abstract: Provided is an antenna apparatus including: a signal splitter configured to generate a second signal including N equal-phase signals by splitting a first signal received from a signal source; a signal source virtual beam adjustor configured to generate a third signal including N signals by shifting a phase of each signal included in the second signal; a transmission beam adjustor configured to generate a fourth signal including N signals by shifting a phase of each signal included in the third signal by 0 degree or 180 degrees; and a transmitter including N transmission antennas transmitting respectively transmitting the N signals included in the fourth signal.
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