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).
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Patent number: 12132266Abstract: 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: GrantFiled: July 22, 2022Date of Patent: October 29, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Bong Hyuk Park, Sunwoo Kong, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
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Publication number: 20240222862Abstract: 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: ApplicationFiled: November 3, 2023Publication date: July 4, 2024Inventors: Sunwoo KONG, Bong Hyuk PARK, SEUNG HUN WANG, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
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Publication number: 20240213685Abstract: 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: ApplicationFiled: September 25, 2023Publication date: June 27, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bong Hyuk PARK, Sunwoo KONG, SEUNG HUN WANG, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
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Publication number: 20240194618Abstract: 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: ApplicationFiled: July 7, 2023Publication date: June 13, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: HUI DONG LEE, Sunwoo KONG, Bong Hyuk PARK, SEUNG HUN WANG, Seunghyun JANG, SEOK BONG HYUN
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Patent number: 11990924Abstract: 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: GrantFiled: January 17, 2022Date of Patent: May 21, 2024Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Hui Dong Lee, Sunwoo Kong, Bong Hyuk Park, Seunghyun Jang, Seok Bong Hyun
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Patent number: 11770103Abstract: 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: GrantFiled: February 4, 2022Date of Patent: September 26, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Sunwoo Kong, Bong Hyuk Park, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
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Publication number: 20230198485Abstract: 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: ApplicationFiled: October 12, 2022Publication date: June 22, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sunwoo KONG, Bong Hyuk PARK, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
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Publication number: 20230198144Abstract: 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: ApplicationFiled: July 22, 2022Publication date: June 22, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Bong Hyuk PARK, Sunwoo KONG, Hui Dong LEE, Seunghyun JANG, Seok Bong HYUN
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Patent number: 11611400Abstract: 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: GrantFiled: January 28, 2021Date of Patent: March 21, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sunwoo Kong, Kwang Seon Kim, Jeehoon Park, Hui Dong Lee, Seunghyun Jang, Seok Bong Hyun
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Publication number: 20220373403Abstract: 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: ApplicationFiled: May 12, 2022Publication date: November 24, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Seunghyun JANG, Sunwoo KONG, Bong Hyuk PARK, Hui Dong LEE, Seok Bong HYUN
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Publication number: 20220337192Abstract: 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: ApplicationFiled: February 4, 2022Publication date: October 20, 2022Inventors: Sunwoo KONG, Bong Hyuk PARK, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
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Publication number: 20220321153Abstract: 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: ApplicationFiled: January 17, 2022Publication date: October 6, 2022Inventors: HUI DONG LEE, Sunwoo KONG, Bong Hyuk PARK, Seunghyun JANG, SEOK BONG HYUN
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Publication number: 20210242948Abstract: 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: ApplicationFiled: January 28, 2021Publication date: August 5, 2021Inventors: Sunwoo KONG, Kwang Seon KIM, Jeehoon PARK, HUI DONG LEE, Seunghyun JANG, SEOK BONG HYUN
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Publication number: 20200106471Abstract: 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: ApplicationFiled: September 17, 2019Publication date: April 2, 2020Inventors: Seunghyun JANG, Sunwoo KONG, Kwang Seon KIM, Jeehoon PARK, Hui Dong LEE, Kwangchun LEE
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Patent number: 10079579Abstract: 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: GrantFiled: April 14, 2017Date of Patent: September 18, 2018Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sunwoo Kong, Bong Hyuk Park, Moon-Sik Lee, Hui Dong Lee
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Publication number: 20170302234Abstract: 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: ApplicationFiled: April 14, 2017Publication date: October 19, 2017Inventors: Sunwoo KONG, Bong Hyuk PARK, Moon-Sik LEE, Hui Dong LEE