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公开(公告)号：US20220077722A1
公开(公告)日：2022-03-10
申请号：US17428908
申请日：2020-01-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyundeok SEO , Byunghwa PARK , Kyungmin PARK , Juhyang LEE , Hyunho LEE , Byungyeol CHOI , Yusu KIM , Chihyun CHO
Abstract: An electronic device may comprise: a battery; a charging circuit; a wireless power receiver circuit configured to acquire transmitted power wirelessly output from an external electronic device; and a processor. The processor may be configured to control the electronic device to: charge the battery through the charging circuit using received power acquired through the wireless power receiver circuit; identify at least one piece of information related to the charging, while the charging operation is performed; transmit a designated signal corresponding to suspension of the transmitted power to the external electronic device such that the external electronic device enters a wireless charging standby mode, in which the external electronic device holds the operation of outputting the transmitted power, at least partially based on the at least one piece of information; identify first situation information regarding the electronic device during the wireless charging standby mode; identify second situation information regarding the electronic device, in response to identifying the first situation information; and sense the electronic device being detached from the external electronic device based on the electronic device corresponding to the first situation information and the second situation information.
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公开(公告)号：US20200266650A1
公开(公告)日：2020-08-20
申请号：US16698741
申请日：2019-11-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Sungjoon CHO , Jungmin LEE , Hansol CHOI , Youngmi HA , Yusu KIM , Kyungmin PARK , Juhyang LEE
Abstract: An electronic device includes a wireless charging coil, a wireless charging circuit, a power management module, a battery, and a processor. The processor is configured to control to receive first information from an external electronic device while transmitting wireless charging power to the external electronic device through the wireless charging circuit, to control, in response to receiving the first information, the wireless charging circuit to stop transmission of the wireless charging power and operate in a state of transmitting and receiving a ping signal, to check whether a predetermined time has elapsed since the transmission of the wireless charging power is stopped, and to control, in response to elapse of the predetermined time, the wireless charging circuit to retransmit the wireless charging power to the external electronic device. Other embodiments are possible.
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公开(公告)号：US20200119581A1
公开(公告)日：2020-04-16
申请号：US16653469
申请日：2019-10-15
Applicant: Samsung Electronics Co., Ltd.
Inventor： Yusu KIM , Kyoungwon KIM , Kyounghoon KIM , Byungwook KIM , Jeongmin MOON , Kyungmin PARK , Jungmin LEE , Juhyang LEE , Kuchul JUNG , Sungjoon CHO , Chihyun CHO , Hansol CHOI , Youngmi HA , Yongsang YUN
Abstract: According to various embodiments, an electronic device comprises a battery, a wireless interface including a coil and configured to wirelessly transmit electric power from the battery via the coil, and at least one processor configured to: perform a wireless charging function of wirelessly transmitting electric power to an external device via the wireless interface, while neither the electronic device nor the external device is being supplied with electric power from an external power source via a wire, and based on identifying that the external device starts being supplied with electric power from an external power source via a wire while performing the wireless charging function, stop performing the wireless charging function of wirelessly transmitting electric power to the external device.
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14.发明申请公开(公告)号：US20200036212A1
公开(公告)日：2020-01-30
申请号：US16263397
申请日：2019-01-31
Applicant: Samsung Electronics Co., Ltd.
Inventor： Byungyeol CHOI , Seho PARK , Yusu KIM , Kyungmin PARK , Wooram LEE , Juhyang LEE , Yongsang YUN , Chihyun CHO
Abstract: An electronic device and a method for controlling the operation of the electronic device are provided. The electronic device includes a wireless power reception circuit, a wireless communication circuit, and a processor configured to control to receive first identity information through a first in-band communication channel using the wireless power reception circuit, establish a first out-of-band communication channel based on the first identity information while the first in-band communication channel is established, receive second identity information through a second in-band communication channel while the first out-of-band communication channel is established, disconnect, when the first out-of-band communication channel is established while the second in-band communication channel is established, the first out-of-band communication channel, and establish a second out-of-band communication channel automatically based on the second identity information.
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公开(公告)号：US20250007313A1
公开(公告)日：2025-01-02
申请号：US18759430
申请日：2024-06-28
Applicant: Samsung Electronics Co., Ltd.
Inventor： Mingi SONG , Juhyang LEE , Geonhong MIN , Kyungmin PARK , Changhak O , Inkook YOON , Hwarang CHA
Abstract: A first electronic device configured to receive power wirelessly according to an embodiment may include: a power receiving circuit including a plurality of capacitors, at least one coil, and at least one switch, a rectifier including a plurality of transistors, and a control circuit. The control circuit according to an embodiment may be configured to: set the plurality of capacitors and the at least one coil to a first connection state through the at least one switch, based on a frequency specified by a second electronic device transmitting power wirelessly; receive alternating current (AC) power wirelessly from the second electronic device through the power receiving circuit set to the first connection state; control the plurality of transistors included in the rectifier to rectify the power received from the second electronic device; identify a first voltage of power rectified to direct current (DC) through the rectifier; set the plurality of capacitors and the at least one coil to a second connection state through the at least one switch to increase an impedance of the plurality of capacitors and/or change a resonant frequency of the power, based on identifying that the first voltage is greater than a first threshold; and control the plurality of transistors included in the rectifier to freewheel the power received from the second electronic device.
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Patent Agency Ranking
公开(公告)号：US20230300911A1
公开(公告)日：2023-09-21
申请号：US18324094
申请日：2023-05-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaemu HA , Hyungjun KWON , Jaesung LEE , Juhyang LEE
CPC classification number: H04W76/10 , H04B5/0037 , H02J50/80 , H02J50/10 , H02J7/00045
Abstract: Disclosed is an electronic device comprising a power reception coil, a first communication circuit supporting first communication in a first frequency band, a second communication circuit supporting second communication in a second frequency band, and a control circuit, wherein the control circuit is configured to: receive a first signal including a first identification information from an external electronic device using the first communication; detect a second signal of the external electronic device including a second identification information using the second communication; when the first and second identification information match, transmit a third signal to the external electronic device using the first communication, the third signal requests a connection to the external electronic device; connect to the external electronic device via the second communication in a response to the request; and transmit or receive data used to receive power to and from the external electronic device using the second communication.
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公开(公告)号：US20230299813A1
公开(公告)日：2023-09-21
申请号：US18321359
申请日：2023-05-22
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jaesung LEE , Juhyang LEE , Jaemu HA
CPC classification number: H04B5/0037 , H02J50/10
Abstract: An electronic device is provided. The electronic device includes a first communication circuit, a second communication circuit, a power transmission coil, and a control circuit. The control circuit is configured to connect an external electronic device and the first communication circuit, transmit power to the external electronic device, receive, from the external electronic device, a first signal including a control error packet (CEP) at a first time point, after the first point in time, count a first number of times a specified unit time elapses without the first signal being received, if the first number of times corresponds to a specified first threshold value, transmit, to the external electronic device, a second signal for requesting a second communication connection, and connect the external electronic device and the second communication based on reception of a third signal including a response of the external electronic device to the second signal.
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18.发明申请公开(公告)号：US20220352757A1
公开(公告)日：2022-11-03
申请号：US17422793
申请日：2021-07-09
Applicant: Samsung Electronics Co., Ltd.
Inventor： Seungshik SHIN , Sangwoo KANG , Kyungmin PARK , Baewon PARK , Juhyang LEE , Jinsik CHOI , Jaeyoung HUH
Abstract: According to one embodiment, an electronic device comprises a battery, an antenna module including a first coil and a second coil, at least one switch electrically connected with the antenna module, a magnetic field controller electrically connected with the antenna module, a charger electrically connected with the battery and the magnetic field controller, and at least one processor electrically connected with the at least one switch, the magnetic field controller, and the charger. The at least one processor may be configured to, based on an operation mode associated with the antenna module, control the at least one switch to connect the first coil with the magnetic field controller, or to connect the first coil and the second coil in parallel and allow the first coil and the second coil connected in parallel to connect with the magnetic field controller. Other embodiments may be possible as well.
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公开(公告)号：US20220271564A1
公开(公告)日：2022-08-25
申请号：US17662996
申请日：2022-05-11
Applicant: Samsung Electronics Co., Ltd.
Inventor： Jungoh SUNG , Juhyang LEE , Myungkyoon CHUNG , Youngmi HA , Hojong KIM
Abstract: An electronic includes: a housing including a first plate, a second plate, and a side member; a display; a conductive coil parallel to the second plate and disposed between the display and the second plate; a wireless charging circuitry electrically connected to the conductive coil; and a processor operatively connected with the display and the wireless charging circuitry. The wireless charging circuitry receives a signal for wirelessly transferring power to an external electronic device from the processor, receives information about the external electronic device, receives a power control signal from the external electronic device via the conductive coil, applies a charging current of a first frequency to the conductive coil based at least in part on a request signal, increases a frequency of the charging current, compares the increased frequency with a first value, and adjusts a duty cycle of the charging current.
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公开(公告)号：US20210399591A1
公开(公告)日：2021-12-23
申请号：US17288624
申请日：2019-10-25
Applicant: Samsung Electronics Co., Ltd.
Inventor： Kyoungwon KIM , Yusu KIM , Kyungmin PARK , Juhyang LEE , Byungyeol CHOI
Abstract: An electronic device according to various embodiments may be configured to cause a control circuit to: control a first switch, a second switch, or a combination of the first switch and the second switch, in order to electrically connect a ground terminal to a first capacitor, a second capacitor, or a combination of the first capacitor and the second capacitor, while the electronic device operates in a first mode for providing power to a first external electronic device; control the first switch and the second switch in order to electrically disconnect the first capacitor and the second capacitor from the ground terminal, and control the third switch in order to control a path of an electrical signal which passes through the fourth capacitor, while the electronic device operates in a second mode for acquiring power from a second external electronic device.
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