Patents by Inventor Hyoung-Seok Yang
Hyoung-Seok Yang 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: 20200343629Abstract: The present disclosure provides a shield wall for shielding multiple individual antenna modules of a massive MIMO antenna from each other. A shield wall according to at least one embodiment of the present disclosure is formed by a plurality of staple-shaped unit partitions arrayed longitudinally of the shield wall, wherein the unit partitions are designed to have optimal widths and heights according to the frequency band in use, and are arranged at a predetermined interval or less with reference to the frequency band in use, thereby providing an antenna structure which satisfies both the X-POL isolation and CO-POL isolation characteristics and can be easily fabricated in a compact, lightweight design.Type: ApplicationFiled: July 9, 2020Publication date: October 29, 2020Applicant: KMW INC.Inventors: Inho Kim, Oh-seog Choi, Hyoung-seok Yang, Jeong Uk Park, Jin Suk Seo
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Publication number: 20190348752Abstract: An antenna assembly including an antenna reflector steering mechanism is disclosed. A reflector steering structure for adjusting the horizontal azimuth of a reflector includes a drive motor disposed on the rear surface of the reflector, a planet gear rotated by the drive motor, and a sectorial rack gear engaged with the planet gear and fixed to a support shaft, thereby achieving a compact design of an entire antenna structure. Further, by applying a structure with enhanced electrical insulation to rolling and slide contact portions of the drive unit and a portion undergoing change in contact pressure, radio performance of the antenna system may be prevented from changing according to steering of the reflector.Type: ApplicationFiled: July 26, 2019Publication date: November 14, 2019Applicant: KMW INC.Inventors: In-ho Kim, Hyoung-seok Yang, Seong-man Kang
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Patent number: 10476127Abstract: A multi-band antenna apparatus according to one of various embodiments of the present invention may comprise: an antenna housing in which an antenna module having two or more frequency bands is mounted; a plurality of repeaters detachably coupled to the antenna housing according to slide movement thereof; connector parts which protrude from the antenna housing and are connected to the plurality of repeaters, respectively; and a bracket which fixes the antenna housing to an outer wall and couples the plurality of repeaters to the antenna housing in an individually detachable manner.Type: GrantFiled: August 24, 2016Date of Patent: November 12, 2019Assignee: KMW INC.Inventors: In-Ho Kim, Hyoung-Seok Yang, Chang-Woo Yoo, Young-Chan Moon, Seong-Man Kang
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Publication number: 20190296423Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.Type: ApplicationFiled: June 3, 2019Publication date: September 26, 2019Inventors: Young-Chan Moon, Oh-Seog Choi, In-Ho Kim, Hyoung-Seok Yang
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Patent number: 10403974Abstract: A compact antenna apparatus for a mobile communication system includes: a radome having at least one frequency band radiating element provided therein; at least one phase shifter portion which is provided in an inner side of the radome and which is connected to the radiating element to adjust a tilting angle of the radiating element; and a rotary knob portion which is provided so as to be exposed to the outside of the radome and which is directly coupled to the phase shifter portion to drive a phase shifter.Type: GrantFiled: June 2, 2017Date of Patent: September 3, 2019Assignee: KMW INC.Inventors: Young-Chan Moon, In-Ho Kim, Oh-Seog Choi, Hyoung-Seok Yang, Sang-Hyeong Kim, Hee Kim, Hye-Mi Jung
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Patent number: 10355342Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.Type: GrantFiled: February 21, 2017Date of Patent: July 16, 2019Assignee: KMW INC.Inventors: Young-Chan Moon, Oh-Seog Choi, In-Ho Kim, Hyoung-Seok Yang
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Publication number: 20190036315Abstract: An extendable cable distribution device in accordance with an embodiment of the present disclosure can include a main block for receiving the end portion of a composite cable supplied from the outside, and providing the passage through which the received composite cable is distributed; at least one sub-block located to be detachable at one side of the main block, and for guiding the distribution direction of a part of the composite cable distributed while passing through the main block; and a connector located on the outer circumferential surface of the at least one sub-block, and electrically connected with at least part of the distributed cable. According to an embodiment of the present disclosure, it is possible to provide the cable distribution device capable of distributing the supplied composite cable and rotating the distributed cable depending upon the direction extended to the outside.Type: ApplicationFiled: September 28, 2018Publication date: January 31, 2019Inventors: Myunggil SONG, Inho KIM, Hyoung-seok YANG, Moonshik LEE
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Patent number: 10122083Abstract: An antenna device according to one of various examples of the present invention can comprise: an antenna module; a radio remote head (RRH) for receiving signals from the antenna module and a base station; guide modules for guiding the RRH such that the RRH slidably moves in an inclined state in the antenna module, for providing one end portion of the RRH to be rotated, and for providing the other end portion of the RRH to move vertically in the sliding movement direction; connection modules provided on a surface on which the antenna module and the RRH face each other, and electrically connecting the RRH and the antenna module; and coupling modules provided on one side of the RRH so as to move the connection modules, thereby mutually coupling or separating the connection modules.Type: GrantFiled: May 2, 2017Date of Patent: November 6, 2018Assignee: KMW Inc.Inventors: In-Ho Kim, Hyoung-Seok Yang, Hee Kim
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Publication number: 20180277923Abstract: Provided, as a multi-divisional antenna, in the present disclosure, is a canister antenna having a plurality of divided antennas arranged so as to have an integrated appearance. The antennas are fixed to an adapter with strong tension by using a connection member such as a wire. The multi-divisional antenna according to the present disclosure is solid, low cost, and convenient with respect to manufacturing, installation, and maintenance.Type: ApplicationFiled: May 29, 2018Publication date: September 27, 2018Inventors: Seong-man KANG, Inho KIM, Hyoung-seok YANG
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Patent number: 9917361Abstract: The present invention relates to a variable beam control antenna for a mobile communication system, the antenna comprising: a radome formed on the front surface at which a signal is emitted; multiple emitters vertically arranged in at least one row; a frame portion for supporting the radome and the multiple emitters; and a direction-changing module which rotates each of the multiple emitters vertically and horizontally with respect to a reference point in order to change the emission direction of the multiple emitters.Type: GrantFiled: July 28, 2014Date of Patent: March 13, 2018Assignee: KMW INC.Inventors: Young-Chan Moon, Sung-Hwan So, In-Ho Kim, Oh-Seog Choi, Hyoung-Seok Yang
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Publication number: 20170271760Abstract: A compact antenna apparatus for a mobile communication system includes: a radome having at least one frequency band radiating element provided therein; at least one phase shifter portion which is provided in an inner side of the radome and which is connected to the radiating element to adjust a tilting angle of the radiating element; and a rotary knob portion which is provided so as to be exposed to the outside of the radome and which is directly coupled to the phase shifter portion to drive a phase shifter.Type: ApplicationFiled: June 2, 2017Publication date: September 21, 2017Inventors: Young-Chan MOON, In-Ho KIM, Oh-Seog CHOI, Hyoung-Seok YANG, Sang-Hyeong KIM, Hee KIM, Hye-Mi JUNG
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Publication number: 20170237160Abstract: An antenna device according to one of various examples of the present invention can comprise: an antenna module; a radio remote head (RRH) for receiving signals from the antenna module and a base station; guide modules for guiding the RRH such that the RRH slidably moves in an inclined state in the antenna module, for providing one end portion of the RRH to be rotated, and for providing the other end portion of the RRH to move vertically in the sliding movement direction; connection modules provided on a surface on which the antenna module and the RRH face each other, and electrically connecting the RRH and the antenna module; and coupling modules provided on one side of the RRH so as to move the connection modules, thereby mutually coupling or separating the connection modules.Type: ApplicationFiled: May 2, 2017Publication date: August 17, 2017Inventors: In-Ho KIM, Hyoung-Seok YANG, Hee KIM
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Publication number: 20170170550Abstract: The present invention relates to an omnidirectional antenna for a mobile communication service, comprising: a plurality of radiation elements disposed on a horizontal surface with a mutually same angle so as to respectively radiate beams; and a power supply unit for distributing and providing a power supply signal to each of the plurality of radiation elements, wherein each of the plurality of radiation elements has a structure in which a horizontal polarization dipole radiation unit having two radiation arms is coupled to a vertical polarization dipole radiation unit having two radiation arms.Type: ApplicationFiled: February 21, 2017Publication date: June 15, 2017Inventors: Young-Chan Moon, Oh-Seog Choi, In-Ho Kim, Hyoung-Seok Yang
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Publication number: 20160365618Abstract: A multi-band antenna apparatus according to one of various embodiments of the present invention may comprise: an antenna housing in which an antenna module having two or more frequency bands is mounted; a plurality of repeaters detachably coupled to the antenna housing according to slide movement thereof; connector parts which protrude from the antenna housing and are connected to the plurality of repeaters, respectively; and a bracket which fixes the antenna housing to an outer wall and couples the plurality of repeaters to the antenna housing in an individually detachable manner.Type: ApplicationFiled: August 24, 2016Publication date: December 15, 2016Inventors: In-Ho Kim, Hyoung-Seok Yang, Chang-Woo Yoo, Young-Chan Moon, Seong-Man Kang
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Publication number: 20160261030Abstract: Various embodiments of the present invention comprise: an antenna module; and at least one RRH which is arranged to face the outer surface of the antenna module, is coupled by being directly connected to the antenna module and arranged along the longitudinal direction of the antenna module, wherein a plurality of cooling air gaps are provided between the outer surface of the antenna module and the RRH.Type: ApplicationFiled: May 17, 2016Publication date: September 8, 2016Inventors: Duk-Yong Kim, Young-Chan Moon, Chang-Woo Yoo, Min-Sik Park, Jeong-Min Kim, Hyoung-Seok Yang, In-Ho Kim
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Publication number: 20140333500Abstract: The present invention relates to a variable beam control antenna for a mobile communication system, the antenna comprising: a radome formed on the front surface at which a signal is emitted; multiple emitters vertically arranged in at least one row; a frame portion for supporting the radome and the multiple emitters; and a direction-changing module which rotates each of the multiple emitters vertically and horizontally with respect to a reference point in order to change the emission direction of the multiple emitters.Type: ApplicationFiled: July 28, 2014Publication date: November 13, 2014Inventors: Young-Chan Moon, Sung-Hwan So, In-Ho Kim, Oh-Seog Choi, Hyoung-Seok Yang
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Patent number: 7924115Abstract: Disclosed is a DPDT RF switch. The DPDT RF switch includes: first to fourth transmission lines for forming first to fourth ports, respectively; and first to fourth slot line pattern sections. The first slot line pattern section includes: a first slot line; and a first switching device for blocking signal transfer by short-circuiting a gap of a slot line. The third slot line pattern section includes: a third slot line; and a third switching device for blocking signal transfer by short-circuiting a gap of a slot line. The second slot line pattern section includes: a first loop-shaped slot line; a second slot line; and a second switching device for blocking signal transfer by short-circuiting a gap of a slot line. The fourth slot line pattern section includes: a second loop-shaped slot line; a fourth slot line; and a fourth switching device for blocking signal transfer by short-circuiting a gap of a slot line.Type: GrantFiled: December 22, 2006Date of Patent: April 12, 2011Assignee: KMW Inc.Inventors: Kang-Hyun Lee, Gil-Ho Lee, Hyoung-Seok Yang
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Publication number: 20090315639Abstract: Disclosed is a DPDT RF switch. The DPDT RF switch includes: first to fourth transmission lines for forming first to fourth ports, respectively; and first to fourth slot line pattern sections. The first slot line pattern section includes: a first slot line; and a first switching device for blocking signal transfer by short-circuiting a gap of a slot line. The third slot line pattern section includes: a third slot line; and a third switching device for blocking signal transfer by short-circuiting a gap of a slot line. The second slot line pattern section includes: a first loop-shaped slot line; a second slot line; and a second switching device for blocking signal transfer by short-circuiting a gap of a slot line. The fourth slot line pattern section includes: a second loop-shaped slot line; a fourth slot line; and a fourth switching device for blocking signal transfer by short-circuiting a gap of a slot line.Type: ApplicationFiled: December 22, 2006Publication date: December 24, 2009Applicant: KMW INC.Inventors: Kang-Hyun Lee, Gil-Ho Lee, Hyoung-Seok Yang
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Patent number: D697900Type: GrantFiled: January 18, 2013Date of Patent: January 21, 2014Assignee: KMW Inc.Inventors: Hyoung-Seok Yang, In-Ho Kim, Sung-Hwan So, Young-Chan Moon, Oh-Seong Choi
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Patent number: D812595Type: GrantFiled: May 31, 2016Date of Patent: March 13, 2018Assignee: KMW INC.Inventors: Seongman Kang, In Ho Kim, Hyoung Seok Yang