Patents by Inventor Namjun Cho

Namjun Cho has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20260196726
    Abstract: An electronic device includes: at least one processor, wireless communication circuitry coupled to the at least one processor, and an antenna module coupled to the wireless communication circuitry. The antenna module includes a circuit board on which a first radiator array for a first frequency band, a second radiator array for a second frequency band higher than the first frequency band, and a third radiator array for a third frequency band lower than the first frequency band are disposed. The first radiator array includes patch radiators having a first size, disposed on a first layer among a plurality of layers of the circuit board. The second radiator array includes patch radiators having a second size smaller than the first size, disposed on a second layer above the first layer with respect to a side of the circuit board among the plurality of layers of the circuit board.
    Type: Application
    Filed: March 9, 2026
    Publication date: July 9, 2026
    Inventors: Hyewon JO, Namjun CHO, Hyoseok NA
  • Publication number: 20260171652
    Abstract: A coupler for acquiring the power of a radio frequency (RF) signal may include a printed circuit board (PCB); a first signal line built into the PCB, and a second signal line built into the PCB. The first signal line may include a first port, a second port, a first element, and a second element. The second signal line may include a third port, a fourth port, a third element, and a fourth element. The first layer of the PCB may include the first port; the third port; the first element of the first signal line extending from the first port; and the third element of the second signal line extending from the third port. The second layer of the PCB may include the second port; and the second element of the first signal line extending from the second port and connected to the first element through a first via. The third layer of the PCB may include the fourth port; and the fourth element of the second signal line extending from the fourth port and connected to the third element through a second via.
    Type: Application
    Filed: January 23, 2026
    Publication date: June 18, 2026
    Inventors: Sungjin AN, Hyoseok NA, Namjun CHO, Hyewon JO
  • Patent number: 12650504
    Abstract: An electronic device may include an integrated circuit (IC) including a switch and a plurality of paths that may include a first transmit (Tx) path, a second Tx path, a first receive (Rx) path, and a second Rx path; a first antenna electrically connected with the first Tx path from among the plurality of paths; a second antenna electrically connectable with the second Tx path or the second Rx path from among the plurality of paths via the switch; a third antenna electrically connected with the first Rx path from among the plurality of paths; and at least one processor operably coupled with the IC.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: June 9, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyewon Jo, Namjun Cho, Jihee Kang, Hyoseok Na
  • Patent number: 12609729
    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.
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: April 21, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Namjun Cho
  • Patent number: 12609858
    Abstract: In an embodiment, an electronic device may include a first frequency synthesizing circuit outputting a second electronic signal from a first electronic signal, a second frequency synthesizing circuit outputting a fourth electronic signal for converting a frequency of a third electronic signal obtained from the first electronic signal based on the second electronic signal, and a communication processor. The communication processor may be configured to transmit, to the first frequency synthesizing circuit, a first parameter indicating a frequency of the second electronic signal, and changing based on a first preset frequency interval according to a first preset period. The communication processor may be configured to transmit, to the second frequency synthesizing circuit, a second parameter indicating a frequency of the fourth electronic signal based on a frequency of a second clock signal, and changing based on a second preset frequency interval different from the first preset frequency interval.
    Type: Grant
    Filed: October 14, 2022
    Date of Patent: April 21, 2026
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Junghwan Son, Hyoseok Na
  • Publication number: 20260081642
    Abstract: A system and a method for relaying communications with a designated network are provided. The first electronic device for relaying communication with the designated network includes a first communication circuit for receiving a first signal in a first frequency band from the designated network, a transceiver for receiving the first signal in the first frequency band from the first communication circuit, and a second communication circuit which includes a second duplexer for receiving, from the transceiver, a first signal in a second frequency band, which is generated from the first signal in the first frequency band, and transmits the first signal in the second frequency band to a second electronic device. The first signal in the second frequency band is provided to a third duplexer corresponding to a third frequency band included in the second electronic device. A partial frequency region in the second frequency band overlaps with the third frequency band.
    Type: Application
    Filed: November 24, 2025
    Publication date: March 19, 2026
    Inventors: Yohan MOON, Hyoseok NA, Dongil YANG, Hyunsang KANG, Seonjun KIM, Jonghun YOO, Namjun CHO
  • Publication number: 20260079584
    Abstract: An electronic device includes: a display panel including pixels; an antenna array disposed to overlap the display panel; a connection board coupled to a side of the display panel; a display driver circuit on the connection board and configured to drive the pixels to display a screen on the display panel; a main printed circuit board; a flexible printed circuit board extending to connect between the main printed circuit board and the connection board; a signal processing circuit on the main printed circuit board; a first front end circuit on the connection board to be on a first side of the display driver circuit, and operatively connected to the signal processing circuit and the antenna array; and a second front end circuit on the connection board to be on a second side of the display driver circuit, and operatively connected to the signal processing circuit and the antenna array.
    Type: Application
    Filed: November 21, 2025
    Publication date: March 19, 2026
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Hyewon JO, Namjun Cho, Hyoseok Na
  • Patent number: 12580606
    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.
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: March 17, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Namjun Cho
  • Publication number: 20260058739
    Abstract: An electronic device may comprise: a coupler which is disposed on a wire for connecting an RFFE and an antenna in the wireless communication circuit, and generates a feedback signal of a transmission signal to be transmitted through the antenna; a power detector for providing an output voltage corresponding to the feedback signal provided from the coupler; a feedback reception unit which receives the feedback signal provided from the coupler and is disposed within an RFIC of the wireless communication circuit; and a modem for calculating a first power value of the transmission signal based on the output voltage provided from the power detector, and receiving, from the RFIC, a code value of the feedback signal, the code value being generated based on the feedback signal provided to the feedback reception unit, wherein calibration for at least one element in the wireless communication circuit is performed based on the first power value and the code value.
    Type: Application
    Filed: October 28, 2025
    Publication date: February 26, 2026
    Inventors: Namjun CHO, Hyewon JO, Hyoseok NA
  • Publication number: 20260051922
    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.
    Type: Application
    Filed: October 27, 2025
    Publication date: February 19, 2026
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Namjun CHO
  • Patent number: 12549205
    Abstract: In an electronic device and an operation method of the electronic device according to various embodiments, a communication circuit of the electronic device may comprise: a first transmission chain which outputs a first transmission signal through a first antenna; a second transmission chain which outputs a second transmission signal through a second antenna; a first amplifier which is electrically connected to the first transmission chain, and amplifies the first transmission signal output from the first transmission chain; and a second amplifier which is electrically connected to the second transmission chain, and amplifies the second transmission signal output from the second transmission chain, where the second amplifier is configured to have an output end connected to an output end of the first amplifier through a transmission line, and output the second transmission signal received from the second transmission chain to the first antenna through the transmission line.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: February 10, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Hyunseok Choi
  • Publication number: 20260039027
    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.
    Type: Application
    Filed: October 10, 2025
    Publication date: February 5, 2026
    Inventors: Namjun CHO, Hyoseok NA
  • Patent number: 12542368
    Abstract: An antenna module may include antennas, RF chains connected to the antennas, a splitter/combiner connected to the RF chains, a mixer configured to upconvert an IF signal input to the antenna module into a transmission RF signal and output the upconverted signal to the splitter/combiner and/or to downconvert a reception RF signal which is a combination of signals from the RF chains provided from the splitter/combiner, a plurality of first couplers connected between the RF chains and the antennas, a second coupler for measuring a magnitude corresponding to a transmission RF signal before split by the splitter/combiner and/or the reception RF signal combined by the splitter/combiner, and a power detector configured to provide a plurality of magnitudes of a plurality of signals from the plurality of first couplers and a magnitude of a signal from the second coupler.
    Type: Grant
    Filed: June 30, 2023
    Date of Patent: February 3, 2026
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Hyosung Lee, Junghwan Son, Hyoseok Na
  • Patent number: 12542569
    Abstract: Various embodiments of the disclosure disclose a method and apparatus, comprising: a communication processor; a radio frequency integrated circuit (RFIC) connected to the communication processor and outputting at least one of a first radio frequency signal, a second radio frequency signal, a third radio frequency signal, and a fourth radio frequency signal; a first circuit connected to the RFIC and including a first filter; a first radio frequency front end (RFFE) connected to the first circuit and including a first amplifier configured to amplify the first radio frequency signal and/or the third radio frequency signal; and a second RFFE including a second amplifier configured to amplify the second radio frequency signal and/or the fourth radio frequency signal output from the RFIC, wherein the communication processor is configured to control the first circuit to remove the fourth radio frequency signal induced to the first circuit through the first filter.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: February 3, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Jooseung Kim, Hyoseok Na, Hyunseok Choi
  • Patent number: 12542575
    Abstract: An electronic device includes: a first antenna structure and a second antenna structure. A wireless communication circuitry is configured to transmit and/or receive a radio frequency (RF) signal via the first antenna structure and the second antenna structure. The wireless communication circuitry include first front-end circuitry, second front-end circuitry, first transmission path configured to output the RF signal which has been generated by up-converting a transmission signal input through a first input/output port of the wireless communication circuitry, to the first front-end circuitry or the second front-end circuitry,; and a first reception path corresponding to the first front-end circuitry and, a second reception path corresponding to the second front-end circuitry.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: February 3, 2026
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Hyosung Lee
  • Publication number: 20260031849
    Abstract: An electronic device is provided. The electronic device includes a plurality of antennas including a first antenna and a second antenna, a radio frequency (RF) transceiver, first radio frequency front end (RFFE) circuitry connected to the RF transceiver and configured to transmit or receive signals, second RFFE circuitry connected to the RF transceiver and configured to receive signals, a first switching circuit connected to the first RFFE circuitry, and a second switching circuit connected to the second RFFE circuitry, wherein first switching circuit is configured to selectively electrically connect the first RFFE circuitry to the first antenna in a first connection mode or the second antenna through the second switching circuit in a second connection mode wherein the second switching circuit is configured to selectively electrically connect the second RFFE circuitry to the second antenna in the first connection mode or the first antenna through the first switching circuit in the second connection mode.
    Type: Application
    Filed: October 6, 2025
    Publication date: January 29, 2026
    Inventors: Namjun CHO, Hyoseok NA
  • Publication number: 20260016881
    Abstract: An electronic device is provided. The electronic device includes communication circuitry, memory, including one or more storage media, storing instructions, and a processor communicatively coupled to the communication circuitry and the memory, wherein the instructions when executed by the processor, cause the electronic device to identify a first sensor of a first external electronic device and a second sensor of a second external electronic device corresponding to the first sensor based on communications with the first and second external electronic devices, identify whether the first sensor value is a valid value, when the first sensor value is received from the first external electronic device based on the first external electronic device being worn on a human body, and, based on identifying that the first sensor value is the valid value, change a first sensing time interval of the second sensor to a second sensing time interval greater than the first sensing time interval.
    Type: Application
    Filed: July 9, 2025
    Publication date: January 15, 2026
    Inventors: Namjun CHO, Hyoseok NA
  • Patent number: 12463351
    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.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: November 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Hyoseok Na
  • Patent number: 12374799
    Abstract: According to various embodiment, an electronic device may include: a housing, a first substrate disposed in an inner space of the housing and including a first surface facing a first direction, a second surface facing a direction opposite to the first surface, and a first recess area at least partially corresponding to the first surface, a second substrate at least partially disposed in the first recess area of the first substrate, a third substrate at least partially disposed on one surface of the second substrate and including multiple antenna elements comprising at least one antenna, and a wireless communication circuit disposed on the second surface of the first substrate and electrically connected to the second substrate. The second substrate may include at least one matching circuit electrically connected to the wireless communication circuit corresponding to each of the multiple elements.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: July 29, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Hyoseok Na, Junghwan Son
  • Patent number: 12348257
    Abstract: An electronic device may include an antenna, a power amplifier (PA) to transmit an output signal to the antenna through a signal path, a coupler to obtain a first signal coupled to the output signal and a second signal coupled to a reflection signal of the output signal reflected from the antenna, an equalizing module to generate a changed signal obtained by changing a strength and/or a phase of one signal of the first signal or the second signal, a differential circuit to generate a differential signal between a remaining one signal of the first signal or the second signal and the changed signal, and a controller to control transmitting of a radio signal, based on the differential signal. Moreover, various embodiment found through the disclosure are possible.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: July 1, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Jihee Kang, Hyoseok Na