Patents by Inventor Sunwoo KONG

Sunwoo KONG 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: 12132266
    Abstract: Provided is a terahertz wideband antenna and a method for designing the same. According to various embodiments, the wideband antenna used for mobile communication in the terahertz wave communication band may include an antenna board including a first surface and a second surface opposite to the first surface, and a plurality of dipole antennas arranged on the antenna board, each of the plurality of dipole antennas may include a feeder disposed on the first surface and a radiator disposed on the second surface and physically spaced apart from the feeder, the feeder may be wire-bonded to a corresponding channel of a plurality of channels of a beam former, and the radiator may be coupled to the feeder to receive a signal from the feeder.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: October 29, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Bong Hyuk Park, Sunwoo Kong, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
  • Publication number: 20240222862
    Abstract: A beamforming apparatus and a beamforming method using an expandable planar array antenna are provided. The beamforming apparatus that performs the beamforming method includes an array antenna in which an Elevation (EL) antenna group configured to perform beam steering in an elevation angle direction and an Azimuth (AZ) antenna group configured to perform beam steering in an azimuth angle direction are disposed on a same plane, a first chip located on a top surface of the array antenna and configured to control the beam steering in the elevation angle direction by controlling patch antennas included in the EL antenna group, and a second chip located on a bottom surface of the array antenna and configured to control the beam steering in the azimuth angle direction by controlling patch antennas included in the AZ antenna group.
    Type: Application
    Filed: November 3, 2023
    Publication date: July 4, 2024
    Inventors: Sunwoo KONG, Bong Hyuk PARK, SEUNG HUN WANG, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
  • Publication number: 20240213685
    Abstract: An antenna system and an apparatus including the same are provided. The antenna system includes at least one antenna module, wherein the antenna module may include a plurality of antennas formed on one surface of a first board, and a beamforming chip formed on one surface of a second board, wherein the plurality of antennas is connected to the beamforming chip through a plurality of microstrip lines and a waveguide.
    Type: Application
    Filed: September 25, 2023
    Publication date: June 27, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bong Hyuk PARK, Sunwoo KONG, SEUNG HUN WANG, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
  • Publication number: 20240194618
    Abstract: A semiconductor package is provided. The semiconductor package includes a semiconductor chip including an integrated circuit (IC) pad configured to output a wireless frequency signal, a lead frame including a package pad configured to receive the wireless frequency signal, a first wire of which one end is connected to the IC pad, a second wire of which one end is connected to the package pad, and a circuit element connected to the first wire and the second wire in parallel or in series. A radio frequency (RF) output impedance of the package pad or an RF output impedance of the IC pad is controlled by a type of the circuit element or a connection relationship between the circuit element, the first wire, and the second wire.
    Type: Application
    Filed: July 7, 2023
    Publication date: June 13, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: HUI DONG LEE, Sunwoo KONG, Bong Hyuk PARK, SEUNG HUN WANG, Seunghyun JANG, SEOK BONG HYUN
  • Patent number: 11990924
    Abstract: A transformer-based amplifier, an operating method thereof, and devices including the same are disclosed. A millimeter wave amplifier includes a first transformer positioned on an input side of the millimeter wave amplifier, a second transformer positioned on an output side of the millimeter wave amplifier, and one or more of amplification stages positioned between the first transformer and the second transformer.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hui Dong Lee, Sunwoo Kong, Bong Hyuk Park, Seunghyun Jang, Seok Bong Hyun
  • Patent number: 11770103
    Abstract: A method and apparatus for input matching of a passive mixer are disclosed. The passive mixer includes a differential transistor pair including a first transistor and a second transistor, a first inductor having one end connected to the first transistor and another end connected to a ground, a second inductor having one end connected to the second transistor and another end connected to a ground, and a third inductor having one end for receiving a radio frequency (RF) signal and another end connected to a ground.
    Type: Grant
    Filed: February 4, 2022
    Date of Patent: September 26, 2023
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sunwoo Kong, Bong Hyuk Park, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
  • Publication number: 20230198485
    Abstract: Disclosed is a bidirectional amplifier. The bidirectional amplifier includes a first matching circuit, a second matching circuit, an amplifier circuit connected between the first matching circuit and the second matching circuit, that amplifies a first input signal received from the first matching circuit to output the amplified first input signal to the second matching circuit, and that amplifies a second input signal received from the second matching circuit to output the amplified first input signal to the first matching circuit, and the first and second matching circuits have a symmetrical structure and operate complementary to each other.
    Type: Application
    Filed: October 12, 2022
    Publication date: June 22, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sunwoo KONG, Bong Hyuk PARK, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
  • Publication number: 20230198144
    Abstract: Provided is a terahertz wideband antenna and a method for designing the same. According to various embodiments, the wideband antenna used for mobile communication in the terahertz wave communication band may include an antenna board including a first surface and a second surface opposite to the first surface, and a plurality of dipole antennas arranged on the antenna board, each of the plurality of dipole antennas may include a feeder disposed on the first surface and a radiator disposed on the second surface and physically spaced apart from the feeder, the feeder may be wire-bonded to a corresponding channel of a plurality of channels of a beam former, and the radiator may be coupled to the feeder to receive a signal from the feeder.
    Type: Application
    Filed: July 22, 2022
    Publication date: June 22, 2023
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bong Hyuk PARK, Sunwoo KONG, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
  • Patent number: 11611400
    Abstract: An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: March 21, 2023
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sunwoo Kong, Kwang Seon Kim, Jeehoon Park, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
  • Publication number: 20220373403
    Abstract: Provided are a semiconductor-based temperature sensor and a method of operating the semiconductor-based temperature sensor. A temperature sensor includes an electrical temperature signal generator configured to generate a first electrical temperature signal that changes according to temperature and a second electrical temperature signal that changes according to temperature at a different rate from that of the first electrical temperature signal, a differential signal generator configured to generate a differential electrical temperature signal between the first electrical temperature signal and the second electrical temperature signal, and an analog digital converter (ADC) configured to convert the differential electrical temperature signal into digital temperature information.
    Type: Application
    Filed: May 12, 2022
    Publication date: November 24, 2022
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seunghyun JANG, Sunwoo KONG, Bong Hyuk PARK, Hui Dong LEE, Seok Bong HYUN
  • Publication number: 20220337192
    Abstract: A method and apparatus for input matching of a passive mixer are disclosed. The passive mixer includes a differential transistor pair including a first transistor and a second transistor, a first inductor having one end connected to the first transistor and another end connected to a ground, a second inductor having one end connected to the second transistor and another end connected to a ground, and a third inductor having one end for receiving a radio frequency (RF) signal and another end connected to a ground.
    Type: Application
    Filed: February 4, 2022
    Publication date: October 20, 2022
    Inventors: Sunwoo KONG, Bong Hyuk PARK, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
  • Publication number: 20220321153
    Abstract: A transformer-based amplifier, an operating method thereof, and devices including the same are disclosed. A millimeter wave amplifier includes a first transformer positioned on an input side of the millimeter wave amplifier, a second transformer positioned on an output side of the millimeter wave amplifier, and one or more of amplification stages positioned between the first transformer and the second transformer.
    Type: Application
    Filed: January 17, 2022
    Publication date: October 6, 2022
    Inventors: HUI DONG LEE, Sunwoo KONG, Bong Hyuk PARK, Seunghyun JANG, SEOK BONG HYUN
  • Publication number: 20210242948
    Abstract: An array antenna system, and a calibration method and apparatus thereof are provided. The calibration method includes measuring a signal loop including mutual coupling between antennas included in an array antenna, calculating a ratio of a reception (RX) signal received by each antenna to an RX signal received by a reference antenna of the array antenna based on a result of the measuring, and performing calibration of the array antenna based on the ratio.
    Type: Application
    Filed: January 28, 2021
    Publication date: August 5, 2021
    Inventors: Sunwoo KONG, Kwang Seon KIM, Jeehoon PARK, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
  • Publication number: 20200106471
    Abstract: A transmitting and receiving switch, a transmitting and receiving apparatus, and an operating method of a transmitting and receiving switch are disclosed. The transmitting and receiving switch may include a first switch configured to be connected between the transmitting front-end module and the antenna, a second switch configured to be connected between the receiving front-end module and a ground, and a first inductor configured to be connected between the second switch and the antenna, a second inductor configured to be connected between the antenna and the ground, and a variable capacitor configured to be connected between the antenna and the ground.
    Type: Application
    Filed: September 17, 2019
    Publication date: April 2, 2020
    Inventors: Seunghyun JANG, Sunwoo KONG, Kwang Seon KIM, Jeehoon PARK, Hui Dong LEE, Kwangchun LEE
  • Patent number: 10079579
    Abstract: A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (LC) tank connected to the drain, and a transformer connected to the gate and the source.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: September 18, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sunwoo Kong, Bong Hyuk Park, Moon-Sik Lee, Hui Dong Lee
  • Publication number: 20170302234
    Abstract: A high frequency amplifier circuit includes a transistor including a drain, a gate, and a source, an inductance-capacitor (LC) tank connected to the drain, and a transformer connected to the gate and the source.
    Type: Application
    Filed: April 14, 2017
    Publication date: October 19, 2017
    Inventors: Sunwoo KONG, Bong Hyuk PARK, Moon-Sik LEE, Hui Dong LEE