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).

  • Patent number: 12283744
    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.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: April 22, 2025
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jihee Kang, Junghwan Son, Namjun Cho, Hyoseok Na
  • Publication number: 20250105495
    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.
    Type: Application
    Filed: December 9, 2024
    Publication date: March 27, 2025
    Inventors: Namjun CHO, Junghwan SON, Hyoseok NA, Youngju KIM
  • Publication number: 20250079690
    Abstract: Various embodiments of the disclosure relate to an electronic device including an antenna. An electronic device may include: a housing, a main substrate s disposed in an inner space of the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction, and an antenna module disposed on the main substrate, wherein the antenna module includes a first substrate disposed on the first surface of the main substrate and including at least one antenna, the main substrate including multiple through-holes, multiple antenna structures disposed to penetrate the multiple through-holes, respectively, and include at least one antenna element including at least one antenna spaced at a designated interval, and matching structure comprising impedance matching circuitry disposed on the first substrate and configured to match impedance for the at least one antenna element included in each of the multiple antenna structures.
    Type: Application
    Filed: November 20, 2024
    Publication date: March 6, 2025
    Inventors: Namjun CHO, Hyoseok NA, Jihee KANG, Youngju KIM, Junghwan SON
  • Patent number: 12218701
    Abstract: According to various embodiments of the present disclosure, an electronic device may comprise: a transceiver; a power amplifier connected to the transceiver; a power source modulator configured to supply power to the power amplifier; at least one antenna connected to the power amplifier; and at least one processor operably connected to the transceiver, the power amplifier; and the power source modulator. The at least one processor may confirm whether the state of an uplink signal transmitted through the at least one antenna is a first state, and may control the power source modulator to add a first offset value to a voltage value of power supplied to the power amplifier from the power source modulator, based on the state of a downlink signal received to the transceiver being the first state.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 4, 2025
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yongjun An, Namjun Cho
  • Patent number: 12176601
    Abstract: Various embodiments of the disclosure relate to an electronic device including an antenna. An electronic device may include: a housing, a main substrate s disposed in an inner space of the housing and including a first surface facing a first direction and a second surface facing a second direction opposite to the first direction, and an antenna module disposed on the main substrate, wherein the antenna module includes a first substrate disposed on the first surface of the main substrate and including at least one antenna, the main substrate including multiple through-holes, multiple antenna structures disposed to penetrate the multiple through-holes, respectively, and include at least one antenna element including at least one antenna spaced at a designated interval, and matching structure comprising impedance matching circuitry disposed on the first substrate and configured to match impedance for the at least one antenna element included in each of the multiple antenna structures.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: December 24, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Namjun Cho, Hyoseok Na, Jihee Kang, Youngju Kim, Junghwan Son
  • Publication number: 20240421777
    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.
    Type: Application
    Filed: August 26, 2024
    Publication date: December 19, 2024
    Inventors: Hyunseok CHOI, Jooseung KIM, Jihoon KIM, Hyoseok NA, Sanghun SIM, Namjun CHO
  • Patent number: 12166269
    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.
    Type: Grant
    Filed: January 18, 2022
    Date of Patent: December 10, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Junghwan Son, Hyoseok Na, Youngju Kim
  • Patent number: 12088275
    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.
    Type: Grant
    Filed: March 16, 2022
    Date of Patent: September 10, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dongil Yang, Jonghun Yoo, Namjun Cho, Hyoseok Na
  • Patent number: 12074572
    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.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: August 27, 2024
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyunseok Choi, Jooseung Kim, Jihoon Kim, Hyoseok Na, Sanghun Sim, Namjun Cho
  • Publication number: 20240267080
    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: April 3, 2024
    Publication date: August 8, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Namjun CHO
  • Publication number: 20240264270
    Abstract: According to an embodiment, an electronic device comprises: a first antenna; a second antenna; a first signal generator configured to generate a first chirp signal; a second signal generator configured to generate a second chirp signal by adding an offset to the first chirp signal; and a processor operatively connected with the first signal generator and the second signal generator, wherein the processor is configured to: control the first signal generator to transmit the first chirp signal through the first antenna; control to receive a reception signal through a second antenna in association with the first chirp signal transmitted through the first antenna; control to mix the second chirp signal with the reception signal to generate a third signal; and control to filter the third signal.
    Type: Application
    Filed: March 8, 2024
    Publication date: August 8, 2024
    Inventors: Namjun CHO, Hyewon JO, Hyoseok NA
  • Patent number: 12057907
    Abstract: An electronic device includes a first antenna facing a first direction, a second antenna facing a second direction, and at least one processor configured to obtain a first value indicating a quality of a first signal received via a beam formed by using the first antenna and a second value indicating a quality of a second signal received via a beam formed by using the second antenna; based on identifying that a value from among the first value and the second value is greater than or equal to a reference value, enable both the first antenna and the second antenna; based on identifying that the first value is less than the reference value and is greater than or equal to the second value, enable the first antenna; and based on identifying that the second value is less than the reference value and is greater than the first value, enable the second antenna.
    Type: Grant
    Filed: October 11, 2022
    Date of Patent: August 6, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Junghwan Son, Namjun Cho
  • Publication number: 20240235702
    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.
    Type: Application
    Filed: March 22, 2024
    Publication date: July 11, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Jooseung Kim, Hyunseok Choi, Hyoseok Na
  • Publication number: 20240223225
    Abstract: An example electronic device may include a first transmission mixer configured to up-convert transmission signals, a second transmission mixer configured to up-convert signals output by the first transmission mixer, a divider circuit configured to divide signals output by the second transmission mixer, first antenna ports associated with a first antenna structure for performing first frequency band communication based on signals output by the divider circuit, a third transmission mixer configured to up-convert output signals from the divider circuit, and second antenna ports associated with a second antenna structure for performing second frequency band communication based on signals output by the third transmission mixer.
    Type: Application
    Filed: March 18, 2024
    Publication date: July 4, 2024
    Inventors: Hyosung LEE, Hyoseok NA, Namjun CHO
  • Patent number: 11956007
    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: September 8, 2022
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Namjun Cho
  • Patent number: 11943001
    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.
    Type: Grant
    Filed: November 10, 2022
    Date of Patent: March 26, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun Cho, Jooseung Kim, Hyunseok Choi, Hyoseok Na
  • Patent number: 11923601
    Abstract: A portable communication device including a processor positioned in a first PCB, a communication circuit; and an antenna module. The antenna module includes a second PCB, an antenna array positioned in the second PCB, wherein the antenna array includes a plurality of antennas, a plurality of PAs, a plurality of LNAs, wherein the plurality of LNAs is greater than the plurality of PAs, a first transmission-reception circuit positioned in the second PCB, and a first reception circuit positioned in the second PCB.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: March 5, 2024
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Namjun Cho, Hyoseok Na, Yousung Lee
  • Publication number: 20240006774
    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: Application
    Filed: June 30, 2023
    Publication date: January 4, 2024
    Inventors: Namjun CHO, Hyosung LEE, Junghwan SON, Hyoseok NA
  • Publication number: 20240007202
    Abstract: A millimeter wave module inspection system includes: an electronic device including at least one processor; and a millimeter wave module including a memory, at least one antenna, and at least one transceiver, wherein the at least one processor is configured to: control an input signal to be input to a transmission signal input terminal of the millimeter wave module; identify an output signal that is output from a reception signal output terminal of the millimeter wave module when the input signal passes through the at least one antenna of the millimeter wave module; identify first data corresponding to a transmission chain gain related to a transmission path of the millimeter wave module stored in the memory and second data corresponding to a reception chain gain related to a reception path of the millimeter wave module, the first data and the second data being stored in the memory; and determine whether the millimeter wave module is abnormal based at least on the identified output signal, the first data, and
    Type: Application
    Filed: September 18, 2023
    Publication date: January 4, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Namjun CHO, Sanghun SIM
  • Patent number: 11843398
    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.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: December 12, 2023
    Inventors: Hyunseok Choi, Jooseung Kim, Namjun Cho, Hyoseok Na