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公开(公告)号：US12088275B2
公开(公告)日：2024-09-10
申请号：US17696355
申请日：2022-03-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dongil Yang , Jonghun Yoo , Namjun Cho , Hyoseok Na
CPC classification number: H03H9/145 , H03H9/02543 , H03H9/6406
Abstract: An electronic device according to an embodiment includes: an antenna, a filter configured to pass a signal of a specific frequency band among signals transmitted and received through the antenna, and a processor configured to control the filter to pass the signal of the specific frequency band. The filter includes: a first substrate, a second substrate facing the first substrate, a first group of electrodes disposed inside the first substrate, a second group of electrodes disposed inside the second substrate, a first transducer electrode including a first group of lines, a second transducer electrode including a second group of lines disposed to alternate with the first group of lines, and a power supply configured to apply voltages to the first group of electrodes and the second group of electrodes. The processor is configured to cause at least one of the second group of lines to be separated from the first substrate, by controlling the power supply based on a frequency of a signal to be passed through the filter.
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公开(公告)号：US12074572B2
公开(公告)日：2024-08-27
申请号：US17263044
申请日：2020-10-30
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyunseok Choi , Jooseung Kim , Jihoon Kim , Hyoseok Na , Sanghun Sim , Namjun Cho
CPC classification number: H03F1/52 , H02H3/087 , H03F3/245 , H03F2200/462
Abstract: An electronic device and method thereof of are provided to prevent burnout due to overcurrent. An electronic device includes a power amplifier configured to amplify a transmission signal; a battery configured to provide a bias voltage to the at least one power amplifier; and an overcurrent protection circuit configured to prevent overcurrent from flowing through the power amplifier. The overcurrent protection circuit includes a configurer configured to configure a reference current value, based on the power amplifier; a measurer configured to measure a bias current value due to the bias voltage; a comparator configured to compare the measured bias current value with the reference current value; and a controller configured to recognize overcurrent flowing through the power amplifier and control provision of the bias voltage, based on a result of the comparison.
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公开(公告)号：US11729725B2
公开(公告)日：2023-08-15
申请号：US17533648
申请日：2021-11-23
Applicant: Samsung Electronics Co., Ltd.
Inventor： Namjun Cho , Jooseung Kim , Hyoseok Na
CPC classification number: H04W52/146 , H04W52/08 , H04W52/243 , H04W52/346 , H04W76/16 , H04W88/06
Abstract: An electronic device including a housing, at least one antenna disposed inside the housing or disposed on at least a part of the housing, a first transceiver configured to generate a first signal corresponding to a first communication network and transmit the first signal to the at least one antenna, a second transceiver configured to generate a second signal corresponding to a second communication network and transmit the second signal to the at least one antenna, a first coupler electrically connected between the at least one antenna and the first transceiver, a first communication processor operatively connected to the first transceiver, and a second communication processor operatively connected to the second transceiver, wherein the second communication processor is configured to control a transmission power of the second signal, at least partially based on a signal received via feedback by the first coupler.
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公开(公告)号：US20220263228A1
公开(公告)日：2022-08-18
申请号：US17648217
申请日：2022-01-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namjun Cho , Junghwan Son , Hyoseok Na , Youngju Kim
Abstract: Various embodiments of the disclosure relate to an electronic device including an antenna. The electronic device may include: a housing; a main board disposed in an internal space of the housing and including a first surface oriented in a first direction, a second surface facing a direction opposite the first direction, and a through hole; and an antenna module disposed on the main board. The antenna module may include: a board at least partially disposed in the through hole and including a plurality of antenna elements; and a wireless communication circuit configured to transmit and/or receive a wireless signal in a predetermined frequency band via the plurality of antenna elements, the wireless communication circuit disposed on the second surface of the main board.
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公开(公告)号：US11217899B2
公开(公告)日：2022-01-04
申请号：US16985674
申请日：2020-08-05
Applicant: Samsung Electronics Co., Ltd.
Inventor： Namjun Cho , Hyoseok Na
IPC: H01Q21/00 , H04B7/0404 , H01Q1/24 , H01Q1/38 , H01Q21/24
Abstract: A mobile communication device includes a processor positioned on a first printed circuit board, a radio frequency integrated circuit (RFIC), and an antenna module. The antenna module includes a second printed circuit board, a first antenna and a second antenna positioned on the second printed circuit board, and a plurality of front-end chips positioned on the second printed circuit board. The plurality of front-end chips include a first front-end chip electrically connecting the RFIC and the first antenna, and a second front-end chip electrically connecting the RFIC and the second antenna.
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Patent Agency Ranking
公开(公告)号：US12283744B2
公开(公告)日：2025-04-22
申请号：US18311599
申请日：2023-05-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jihee Kang , Junghwan Son , Namjun Cho , Hyoseok Na
Abstract: An electronic device may include a low drop output regulator (LDO); a first DC-to-DC converter; an antenna module including an antenna array IC and an antenna array; a second DC-to-DC converter disposed outside the antenna module and supplying power to the low drop output regulator; a power generation circuit for supplying power to the first DC-to-DC converter and the second DC-to-DC converter; and a processor operatively coupled to the antenna module, the second DC-to-DC converter, and the power generation circuit.
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公开(公告)号：US12166269B2
公开(公告)日：2024-12-10
申请号：US17648217
申请日：2022-01-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namjun Cho , Junghwan Son , Hyoseok Na , Youngju Kim
Abstract: Various embodiments of the disclosure relate to an electronic device including an antenna. The electronic device may include: a housing; a main board disposed in an internal space of the housing and including a first surface oriented in a first direction, a second surface facing a direction opposite the first direction, and a through hole; and an antenna module disposed on the main board. The antenna module may include: a board at least partially disposed in the through hole and including a plurality of antenna elements; and a wireless communication circuit configured to transmit and/or receive a wireless signal in a predetermined frequency band via the plurality of antenna elements, the wireless communication circuit disposed on the second surface of the main board.
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公开(公告)号：US11956007B2
公开(公告)日：2024-04-09
申请号：US17940757
申请日：2022-09-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namjun Cho
CPC classification number: H04B1/69
Abstract: According to various embodiments, an electronic device may comprise a communication processor; an intermediate frequency integrated circuit (IFIC) to convert a baseband signal received from the communication processor into an intermediate frequency (IF) signal; a radio frequency integrated circuit (RFIC) convert the received IF signal into a first radio frequency (RF) signal; an ultra-wideband (UWB) integrated circuit (IC) generating a UWB signal corresponding to a first frequency; at least one UWB antenna to transmit/receive the UWB signal corresponding to the first frequency; and at least one first switch connected between the UWB IC and the UWB antenna. The at least one first switch may be controlled so that the UWB signal corresponding to the first frequency, generated by the UWB IC, is transmitted to the RFIC in a state in which a communication operation, for a signal transmitted/received from the communication processor, by the RFIC is inactivated.
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公开(公告)号：US11943001B2
公开(公告)日：2024-03-26
申请号：US17984950
申请日：2022-11-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namjun Cho , Jooseung Kim , Hyunseok Choi , Hyoseok Na
CPC classification number: H04B17/13 , H04B17/102 , H04W4/38
Abstract: An electronic device includes a network monitor configured to acquire network environment information related to a radio frequency (RF) transmission signal; a transceiver configured to generate an envelope signal of the RF transmission signal; a transmission (Tx) module including a power amplifier for receiving the RF transmission signal from the transceiver and amplifying the RF transmission signal; and an envelope tracking (ET) modulator configured to receive the envelope signal from the transceiver and to provide a bias of a power amplifier to correspond to the envelope signal, wherein the ET modulator determines a magnitude of the bias of the power amplifier based on the network environment information acquired by the network monitor.
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10.发明授权公开(公告)号：US11211955B2
公开(公告)日：2021-12-28
申请号：US16832495
申请日：2020-03-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyunseok Choi , Jooseung Kim , Namjun Cho , Hyoseok Na
Abstract: Disclosed is a voltage protection circuit for preventing power amplifier burnout in an electronic device. The electronic device includes a power amplifier (PA) configured to amplify a transmission signal, a switch configured to set a path of a signal outputted from the PA, a bias control circuit configured to control the supply of a bias current driving the PA, and a voltage protection circuit configured to provide a main control signal for turning off the PA earlier than turning off the switch based on a battery voltage providing a driving power of the electronic device, and forward the main control signal to the bias control circuit, wherein, in response to receiving the main control signal instructing to turn off the PA from the voltage protection circuit, the bias control unit stops the supply of the bias current driving the PA.
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