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公开(公告)号：US20230118967A1
公开(公告)日：2023-04-20
申请号：US17969283
申请日：2022-10-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bohwan CHOI , Jinsu CHOI , Sungbum PARK , Kyungmin LEE , Sangwook LEE
Abstract: A first electronic device for wirelessly transmitting power may include a power transmission circuit, memory, a pulse generator, a foreign object detection circuit configured to detect a foreign object located in a path in which power is wirelessly transmitted through the power transmission circuit, and a control circuit. The control circuit may be configured to wirelessly transmit power to a second electronic device, based on an alternating current (AC) input voltage applied to the power transmission circuit, generate a trigger signal synchronized with a first time corresponding to a specified voltage of the input voltage through the pulse generator, store an output value of the foreign object detection circuit in the memory based on the trigger signal, the output value being identified at the first time, continuously obtain the output value stored in the memory from the memory during a specified time until before the trigger signal of a next period is received at the memory from the pulse generator, and detect the foreign object based on the output value obtained during the specified time.
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22.发明申请公开(公告)号：US20220037927A1
公开(公告)日：2022-02-03
申请号：US17503642
申请日：2021-10-18
Inventor： Kyungmin LEE , Kiyoung KIM , Gun-Woo MOON , Young-Dal LEE , Dongmin KIM , Jaeil BAEK
Abstract: According to various embodiments, a wireless power transmission device may comprise: a coil circuit configured to generate a power signal for power transmission to an electronic device; an inverter configured to convert direct current power to alternating current power and to provide the alternating current power to the coil circuit; a coil-type detection unit comprising a coil disposed to be adjacent to the coil circuit and configured to detect a signal corresponding to the power signal; and a control circuit configured to adjust, based on the detected signal, a switching frequency of the inverter to change the alternating current power output from the inverter.
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公开(公告)号：US20210036554A1
公开(公告)日：2021-02-04
申请号：US16936496
申请日：2020-07-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kwangseob KIM , Changhak O , Kihyun KIM , Dongzo KIM , Jihye KIM , Yunjeong NOH , Kyungmin LEE , Hyungkoo CHUNG , Mincheol HA
Abstract: According to certain embodiments, a power transmission device comprises an induction circuit configured to transmit a wireless power signal through a charging pad and receive a signal from an external device; and at least one processor operatively connected to the induction circuit, wherein the processor is configured to: enter a wireless charging protection mode for wireless charging of the external device, measure a current value of the wireless power signal, and release the wireless charging protection mode when the packet information is not included in the signal transmitted from the external device and the measured current value or variation of the current value exceeds a threshold value.
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24.发明申请公开(公告)号：US20200373764A1
公开(公告)日：2020-11-26
申请号：US16796134
申请日：2020-02-20
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyungmin LEE , Daehyun KIM , Kiyoung KIM , Jaehyuck SHIN , Youngho RYU
IPC: H02J7/00
Abstract: A battery module including a plurality of battery sub packs and an electronic device including the battery module is provided. The battery module comprises a battery pack including a plurality of battery sub packs, a power delivery circuit connectable to the plurality of battery sub packs, a plurality of switches connected between the plurality of battery sub packs and the power delivery circuit, and at least one processor configured to control the plurality of switches to transmit power stored in a first battery sub pack to the power delivery circuit during a first time interval and transmit power stored in the power delivery circuit to a second battery sub pack during a second time interval. Other various embodiments are also provided herein.
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公开(公告)号：US20200266665A1
公开(公告)日：2020-08-20
申请号：US16784432
申请日：2020-02-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yunjeong NOH , Dongzo KIM , Mincheol HA , Kwangseob KIM , Kihyun KIM , Jihye KIM , Kyungmin LEE , Wooram LEE , Yongsang YUN
Abstract: One or more disclosed embodiments relate to a wireless charging transmitter and a wireless power transfer method. The wireless charging transmitter includes a first charging pad including a first wireless power circuit, a second charging pad including a second wireless power circuit, and a controller configured to, in response to detection of a first electronic device being placed on the first charging pad, transfer power at a first designated wireless power level via the first wireless power circuit, in response to detection of a second electronic device being placed on the second charging pad, transmit a first command for decreasing power transferred to the first electronic device, and transfer, upon receipt of a first request for power at a second designated wireless power level from the first electronic device in response to the first command, the power at the second designated wireless power level via the first and second wireless power circuits. The disclosure may further include other various embodiments.
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Patent Agency Ranking
公开(公告)号：US20240306325A1
公开(公告)日：2024-09-12
申请号：US18406998
申请日：2024-01-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daegun HONG , Kyungmin LEE , Sejun CHOI , Yongyeon HWANG
IPC: H05K5/02
CPC classification number: H05K5/0217
Abstract: A display apparatus including a display; a rear cover behind the display; a support plate between the display and the rear cover, the support plate supporting the display; a control board between a portion of the display and the support plate, the control board configured to control the display; and a board holder fixed to the control board, wherein the board holder and the support plate are configured so that the board holder is slidably mountable on the support plate so as to be hooked to the support plate and thereby mounted on the support plate between the control board and the support plate.
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公开(公告)号：US20240223020A1
公开(公告)日：2024-07-04
申请号：US18610705
申请日：2024-03-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangwook LEE , Kyungmin LEE , Bohwan CHOI , Jinsoo CHOI , Sungbum PARK
Abstract: The disclosure relates to an electronic device and a method for detecting a foreign body, wherein a control circuit of the electronic device may be configured to: supply transmission power to a power transmission circuit; identify, on the basis of a low power wireless communication signal, whether an external device is present in a partial area of the externally exposed surface of the electronic device, which corresponds to a resonant circuit; on the basis of the presence of the external device, apply a high frequency current to the resonant circuit and transmit transmission power generated in the resonant circuit to the external device; obtain analog digital converter samples in a half-wave rectified direct current interval of a direct current link voltage corresponding to a transmission current detected in the power transmission circuit; and detect a foreign body on the basis of the analog digital converter samples.
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28.发明公开公开(公告)号：US20230208208A1
公开(公告)日：2023-06-29
申请号：US18178545
申请日：2023-03-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yunjeong NOH , Kihyun KIM , Dongzo KIM , Jihye KIM , Keyic SON , Taehyeon YU , Kyungmin LEE , Hyungkoo CHUNG , Mincheol HA
CPC classification number: H02J50/80 , H02J50/402 , H02J50/12 , H02J50/90 , H01F38/14
Abstract: An electronic device includes: coils; power conversion circuits configured to receive direct current (DC) power, convert the DC power into alternating current (AC) power, and output the AC power to the coils; and a processor. The processor is configured to: apply to the coils a ping signal of which a ping power section is repeated periodically and which has a plurality of ping power levels increasing in phases; confirm an SSP signal responding to the ping signal; and perform wireless power transmission by the coils on the basis of a ping power level in which the SSP signal is confirmed from among the plurality of ping power levels.
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公开(公告)号：US20230177398A1
公开(公告)日：2023-06-08
申请号：US18162218
申请日：2023-01-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Youngho HAN , Kwangyoun KIM , Sangha KIM , Sungchan KIM , Sungsoo KIM , Kyungmin LEE , Yongchan LEE , Jaewon LEE
Abstract: An electronic apparatus and a control method thereof are provided. The control method of the electronic apparatus includes receiving, from a first external electronic apparatus and a second external electronic apparatus, a first artificial intelligence model and a second artificial intelligence model used by the first and second external electronic apparatuses, respectively, and a plurality of learning data stored in the first and second external electronic apparatuses, identifying first learning data, which corresponds to second learning data received from the second external electronic apparatus, among learning data received from the first external electronic apparatus, training the second artificial intelligence model used by the second external electronic apparatus based on the first learning data, and transmitting the trained second artificial intelligence model to the second external electronic apparatus.
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公开(公告)号：US20230042780A1
公开(公告)日：2023-02-09
申请号：US17880830
申请日：2022-08-04
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mincheol HA , Dongzo KIM , Kyungmin LEE , Kihyun KIM , Yunjeong NOH , Keyic SON , Taehyeon YU , Hyungkoo CHUNG
Abstract: Disclosed is a method for controlling an electronic device electrically couplable to an external electronic device through a connector and capable of transmitting/receiving wireless power, the method including: an operation of identifying electrical connection to the external electronic device; an operation of receiving power from the external electronic device through a short-range communication module; an operation of controlling a mode switch module based on the received power and transmitting a signal regarding a power transmission mode to the external electronic device through the connector; an operation of receiving direct-current power from the external electronic device through the connector after transmitting the signal regarding the power transmission mode; and an operation of generating an electromagnetic field for wireless power transmission through the wireless power transmission/reception module, based on the received direct-current power.
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