Patents by Inventor Bae-Mook Jeong
Bae-Mook Jeong 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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Publication number: 20230087435Abstract: The present invention relates to an antenna device, and especially, comprises: a printed board assembly (PBA hereinafter) which has a plurality of antenna-related components mounted to one surface, and has a plurality of filters mounted to the other surface; and an antenna board which is stacked and disposed on the one surface side of the PBA, has a plurality of antenna elements mounted to one surface, and is connected to the filters tightly adhering to the other surface, so as to establish an electrical signal line with the filters, wherein the filters are spaced apart from the other surface of the PBA and have clamshell parts integrally formed so as to prevent a signal leakage from the electrical signal line, and thus an advantage is provided of enabling the improvement of the overall heat dissipation performance and filter performance of the filters.Type: ApplicationFiled: November 25, 2022Publication date: March 23, 2023Applicant: KMW INC.Inventors: Kyo Sung JI, Bae Mook JEONG, Joung Hoe KIM
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Publication number: 20230087867Abstract: The present invention relates to a connector for preventing a characteristic impedance mismatch, the connector including a stationary module fixed, by soldering, to any one (hereinafter, referred to as a ‘first panel’) of two panels disposed in parallel with each other, the stationary module having therein an impedance matching space (hereinafter, referred to as a ‘matching space’), a moving module disposed to move to the inside or outside of the matching space of the stationary module and provided to be in contact with the other (hereinafter, referred to as a ‘second panel’) of the two panels, and an elastic member disposed in the matching space of the stationary module and configured to elastically support the moving module on the second panel, in which the elastic member, together with an external conductor part of the moving module, performs a function of blocking static electricity, which makes it possible to manufacture a product with a reduced size and prevent a characteristic impedance mismatch.Type: ApplicationFiled: November 29, 2022Publication date: March 23, 2023Applicant: KMW INC.Inventors: Bae Mook JEONG, Seong Min AHN, Min Hee LEE, Kong Moo HEO
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Publication number: 20230080727Abstract: An RF connector is disclosed herein.Type: ApplicationFiled: November 23, 2022Publication date: March 16, 2023Applicant: KMW INC.Inventors: Kyo Sung JI, Chi Back RYU, Bae Mook JEONG, Joung-hoe KIM
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Publication number: 20230047023Abstract: The present invention relates to a connecting apparatus including a fixed terminal part having a hollow portion and fixed in a predetermined space between a first substrate, on which electrical components are mounted, and a second substrate disposed in parallel with the first substrate, one terminal part fixed to one end of the fixed terminal part and configured to be elastically supported on the first substrate, one terminal part being configured to slip and come into contact with an inner surface of the first substrate, and the other terminal part fixed to the other end of the fixed terminal part and configured to be elastically supported on the second substrate, the other terminal part being configured to slip and come into contact with an inner surface of the second substrate, in which one terminal part and the other terminal part are elastically supported by an elastic member installed in the hollow portion of the fixed terminal part and configured to be extended or contracted, thereby providing an advanType: ApplicationFiled: October 28, 2022Publication date: February 16, 2023Applicants: KMW INC., TELCON RF PHARMACEUTICAL. INC.Inventors: Bae Mook JEONG, Seong Min AHN, Min Hee LEE, Kong Moo HEO
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Publication number: 20220377941Abstract: Provided is a heat dissipating apparatus for electronic elements which has the minimum size but has improved heat dissipating performance. To this end, the heat dissipating apparatus for electronic elements, according to the present invention, comprises: a heat dissipating housing having an internal space; a shield case formed of a thermally conductive material, wherein the shield case is disposed in the heat dissipating housing and partitions the internal space into a first chamber which is a vacuum space to be filled with a refrigerant and a second chamber which is a non-vacuum space; and a printed circuit board which is disposed in the shield case and has a heat dissipating element. The shield case evaporates the refrigerant by using sensible heat transferred from the heat dissipating element to the shield case and latent heat transferred from the shield case to the first chamber.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Applicant: KMW INC.Inventors: Kyo Sung JI, Bae Mook JEONG, In Hwa CHOI
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Publication number: 20220115760Abstract: An antenna apparatus is disclosed, including a lower housing, a middle housing disposed on the lower housing and having one surface formed with one or more first heat dissipation fins, a first accommodation space formed by the lower housing and the middle housing, at least one first heat-generating element disposed in the first accommodation space, one or more heat dissipation supports each disposed on the middle housing and having at least one surface formed with one or more second heat dissipation fins, and an antenna module supported on the one or more heat dissipation supports.Type: ApplicationFiled: December 19, 2021Publication date: April 14, 2022Applicant: KMW INC.Inventors: Kyo Sung JI, Chang Woo YOO, Bae Mook JEONG, Min Seon YUN, Jin Soo YEO
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Publication number: 20220094386Abstract: The present invention relates to a time-division duplex (TDD) antenna apparatus which can reduce signal loss, and thereby minimize the noise figure (NF) of a system and extend uplink coverage of the system, by separating a transmitter circuit from a receiver circuit of the antenna apparatus, and disposing a low noise amplifier (LNA) of the receiver circuit between a reception antenna and a reception filter of the receiver. A time-division duplex antenna apparatus according to an embodiment of the present invention includes: a transmitter which includes at least one transmission antenna module and transmits a downlink signal through a first path; a receiver which includes at least one reception antenna module and receives an uplink signal through a second path that is separated from the first path without any overlapping portions thereof; and a controller which controls the transmitter and the receiver in a time-division duplex manner.Type: ApplicationFiled: December 2, 2021Publication date: March 24, 2022Applicant: KMW INC.Inventors: Duk Yong KIM, Min Seon YUN, Bae Mook JEONG, Chang Seob CHOI, Su Won LEE
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Publication number: 20210336659Abstract: Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level.Type: ApplicationFiled: July 4, 2021Publication date: October 28, 2021Applicant: KMW INC.Inventors: Duk Yong KIM, Bae Mook JEONG, Chang Woo YOO, Young Chan MOON, Nam Shin PARK, Bum Sik PARK, Min Seon YUN, Min Sik PARK, Sung Ho JANG
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Patent number: 11101551Abstract: Provided is an antenna device including a first antenna body, and a power supply module detachably attached to the first antenna body. The power supply module is provided on a fastening region of a first radiation fin of the first antenna body.Type: GrantFiled: May 14, 2019Date of Patent: August 24, 2021Assignee: KMW INC.Inventors: Duk Yong Kim, Young Chan Moon, Min Sik Park, Chang Woo Yoo, Bae Mook Jeong, Nam Shin Park, Min Seon Yun
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Patent number: 11088731Abstract: Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level.Type: GrantFiled: May 15, 2019Date of Patent: August 10, 2021Assignee: KMW INC.Inventors: Duk Yong Kim, Bae Mook Jeong, Chang Woo Yoo, Young Chan Moon, Nam Shin Park, Bum Sik Park, Min Seon Yun, Min Sik Park, Sung Ho Jang
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Patent number: 11081777Abstract: An antenna assembly and an antenna device including the same are provided. The antenna assembly includes antenna elements, a first printed circuit board (PCB), cavity filters, and a second PCB. The first PCB has one surface provided with the antenna elements. The cavity filters are installed on the other surface of the first PCB and electrically connected to the plurality of antenna elements. The second PCB has one surface electrically connected to the cavity filters and includes at least a power amplifier, digital processing circuit, and calibration network. The second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other. The digital processing circuit is disposed in the second processing area and not in the first processing area. The power amplifier is disposed in the first processing area and not in the second processing area.Type: GrantFiled: September 28, 2019Date of Patent: August 3, 2021Assignee: KMW INC.Inventors: Duk Yong Kim, Bae Mook Jeong, Chang Woo Yoo
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Publication number: 20200028237Abstract: An antenna assembly and an antenna device including the same are provided. The antenna assembly includes antenna elements, a first printed circuit board (PCB), cavity filters, and a second PCB. The first PCB has one surface provided with the antenna elements. The cavity filters are installed on the other surface of the first PCB and electrically connected to the plurality of antenna elements. The second PCB has one surface electrically connected to the cavity filters and includes at least a power amplifier, digital processing circuit, and calibration network. The second PCB includes one or more first processing areas and one or more second processing areas extending in parallel with each other. The digital processing circuit is disposed in the second processing area and not in the first processing area. The power amplifier is disposed in the first processing area and not in the second processing area.Type: ApplicationFiled: September 28, 2019Publication date: January 23, 2020Applicant: KMW INC.Inventors: Duk Yong Kim, Bae Mook Jeong, Chang Woo Yoo
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Publication number: 20190267701Abstract: Provided is an antenna device including a first antenna body, and a power supply module detachably attached to the first antenna body. The power supply module is provided on a fastening region of a first radiation fin of the first antenna body.Type: ApplicationFiled: May 14, 2019Publication date: August 29, 2019Inventors: Duk Yong KIM, Young Chan MOON, Min Sik PARK, Chang Woo YOO, Bae Mook JEONG, Nam Shin PARK, Min Seon YUN
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Publication number: 20190268046Abstract: Provided is a multiple-input multiple-output (MIMO) antenna having a lightweight stacked structure. According to one aspect of the present invention, there is provided a MIMO antenna assembly having a lightweight stacked structure, in which a calibration network, which was provided between antenna elements and filters in the related art, is provided on one printed circuit board (PCB), together with a power amplifier and a digital circuit, and filters are closely coupled to the bottom of the PCB on which the feeding network is provided. The present invention employs a strategy in which an antenna assembly is reduced to a compact size while managing phase deviation caused due to filters at an acceptable level.Type: ApplicationFiled: May 15, 2019Publication date: August 29, 2019Inventors: Duk Yong KIM, Bae Mook JEONG, Chang Woo YOO, Young Chan MOON, Nam Shin PARK, Bum Sik PARK, Min Seon YUN, Min Sik PARK, Sung Ho JANG
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Patent number: 9787335Abstract: A method and an apparatus for determining validity of samples for a digital pre-distortion apparatus is disclosed. It is an object of at least one embodiment to provide a method and an apparatus for determining validity of samples for a digital pre-distortion apparatus that is configured to compensate for nonlinearity of a power amplifier in an efficient manner by accurately estimating a pre-distortion coefficient with a low-capacity memory.Type: GrantFiled: June 7, 2016Date of Patent: October 10, 2017Assignees: KMW INC., HANBAT National Industry Academic Cooperation FoundationInventors: Bae-Mook Jeong, Min-Seon Yun, Eui-Rim Jeong, Kwang-Pyo Lee, Haeng-Bok Kil, Sungmi Jo