Patents by Inventor Sang-Yoong Kim

Sang-Yoong Kim 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: 12374769
    Abstract: The present invention relates to a dielectric ceramic filter including a dielectric block filled with a ceramic material and having an outer surface surrounded by a metal component, a resonance part provided in the dielectric block, having a space having a circular horizontal cross-section, and separated from the dielectric block by a metal film, and a tuning cover coupled to the dielectric block, configured to cover one side of the resonance part, and positioned at a portion corresponding to the resonance part, the tuning cover being configured to tune a frequency of the resonance part by being deformed in shape corresponding to a space of the resonance part, thereby increasing a production yield and implementing a high Q value when the volume remains the same.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: July 29, 2025
    Assignee: KMW INC.
    Inventors: Joung Hoe Kim, Sang Yoong Kim
  • Publication number: 20250219276
    Abstract: The present invention relates to a filter for a communication device and a manufacturing method therefor, and, particularly, the filter comprises a single base plate, which is provided as a conductive board with a predetermined thickness or less that forms an inner side surface of a cavity for performing frequency filtering, wherein the cavity is formed by folding at least a portion of the base plate, and thus manufacturing is facilitated and overall slimming and lightening of a product can be sought.
    Type: Application
    Filed: March 14, 2025
    Publication date: July 3, 2025
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20250219275
    Abstract: The present invention relates to a filter for a communication device, and in particular, to a filter comprising: a filter body including a cavity that is a dielectric filling space and has an open bottom; a lower cover panel made of a first material and coupled to shield the open bottom of the filter body; and a resonator frame made of a second material, wherein the lower end of the resonator frame is coupled by being forcibly fit into a plurality of fitting through-holes that are formed in the lower cover panel so as to pass through the inside and outside of the cavity and provided, spaced apart in the longitudinal direction, in two or more rows in the width direction, and then the surroundings of the plurality of fitting through-holes are fixed inside the cavity through solder bonding, thus providing the advantage of minimizing insertion loss within the cavity.
    Type: Application
    Filed: March 14, 2025
    Publication date: July 3, 2025
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20250174866
    Abstract: The present invention relates to a communication device filter. Particularly, the communication device filter comprises: a frequency tuning panel comprising multiple tuning bars disposed in a dielectric material-filled space as a single layer with regard to the thickness direction so as to adjust the distance of spacing from multiple resonators disposed in the dielectric material-filled space; and a resonance substrate disposed in the dielectric material-filled space as a single layer with regard to the thickness direction such that the multiple resonators are formed as the single layer, the resonance substrate comprising a resonance frame having a rectangular edge. Accordingly, the present invention provides advantages in that not only is product slim design possible, but any increase in product weight can be prevented.
    Type: Application
    Filed: January 23, 2025
    Publication date: May 29, 2025
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20250174864
    Abstract: The present disclosure relates to a filter for a communication device and, more specifically, includes: a filter body that is open in the thickness direction and has formed therein part of a dielectric-filled space; a filter tuning cover that is coupled in the opened thickness direction to cover the filter body and forms the remainder of the dielectric-filled space; a resonance substrate including a resonance frame in which a plurality of resonators are arranged to form a single layer with respect to the thickness direction in the dielectric-filled space; a frequency tuning panel including a tuning frame including a plurality of tuning bars arranged in a single layer in the thickness direction in the dielectric-filled space in order to adjust a separation distance from the plurality of resonators arranged in the dielectric-filled space; and a spacer portion integrally formed with a step on one of the filter tuning cover and the frequency tuning panel.
    Type: Application
    Filed: January 24, 2025
    Publication date: May 29, 2025
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20250167416
    Abstract: The present disclosure relates to a communication device filter. Particularly, the communication device filter comprises: a filter body which is open in the thickness direction such that a part of a dielectric material-filled space is formed therein; a filter tuning cover coupled in the open thickness direction so as to cover the filter body, thereby forming the remainder of the dielectric material-filled space; a frequency tuning panel comprising a tuning frame having multiple tuning bars disposed in the dielectric material-filled space as a single layer with regard to the thickness direction so as to adjust the distance of spacing from multiple resonators disposed in the dielectric material-filled space; and a resonance substrate comprising a resonance frame disposed in the dielectric material-filled space such that the multiple resonators constitute a single layer with regard to the thickness direction.
    Type: Application
    Filed: January 23, 2025
    Publication date: May 22, 2025
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20230238675
    Abstract: The present invention relates to an RF filter assembly for an antenna. Particularly, the RF filter assembly for an antenna comprises: a main board on which a plurality of electronic components are mounted; a plurality of RF filters which are installed on one surface of the main board; and a filter support member which is disposed between the main board and the plurality of RF filters, is made of a metal material, and separates each of the plurality of RF filters in the direction of the one surface of the main board. Thereby, the present invention provides advantages of preventing the occurrence of cracks in solder cream caused by differences in thermal expansion coefficients between the main board and each RF filter, and also, enabling a more precise RF filter arrangement, and improving product reliability.
    Type: Application
    Filed: February 25, 2023
    Publication date: July 27, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20230223670
    Abstract: The present invention relates to an RF filter assembly for an antenna and, particularly, comprises: a plurality of band pass filters (BPFs); a filter board which is arranged to be stacked on the front surface of a main board and which mediate the coupling of the band pass filters for the front surface of the main board; low pass filters (LPFs) intaglio- or embossed-printed on front surface of the filter board; and an air layer formation pad arranged between the filter board and the band pass filters to form a predetermined air layer between the front surface of the filter board and rear surfaces of the band pass filters, and thus the overall performance of a filter product can be improved by minimizing insertion loss of a filter.
    Type: Application
    Filed: February 25, 2023
    Publication date: July 13, 2023
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Patent number: 11522260
    Abstract: The present invention relates to a cavity filter and, in particular, provides an advantage of preventing performance deterioration of an antenna device by efficiently absorbing an assembly tolerance which may occur due to assembly design and preventing an interruption of an electrical flow, by comprising: an RF signal connecting part provided to be spaced apart at a predetermined distance from an external member having an electrode pad formed on one surface thereof; a terminal part which electrically connects the electrode pad of the external member to the RF signal connecting part, while absorbing an assembly tolerance existing within the predetermined distance and simultaneously preventing an interruption of an electrical flow between the electrode pad and the RF signal connecting part; a dielectric body which is inserted into a terminal insertion hole so as to surround the outside of the terminal part; and an elastic member which has a portion of the edge supported by the dielectric body and which elastica
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: December 6, 2022
    Assignee: KMW INC.
    Inventors: Joung Hoe Kim, Sang Yoong Kim
  • Publication number: 20220271411
    Abstract: The present invention relates to a dielectric ceramic filter including a dielectric block filled with a ceramic material and having an outer surface surrounded by a metal component, a resonance part provided in the dielectric block, having a space having a circular horizontal cross-section, and separated from the dielectric block by a metal film, and a tuning cover coupled to the dielectric block, configured to cover one side of the resonance part, and positioned at a portion corresponding to the resonance part, the tuning cover being configured to tune a frequency of the resonance part by being deformed in shape corresponding to a space of the resonance part, thereby increasing a production yield and implementing a high Q value when the volume remains the same.
    Type: Application
    Filed: May 13, 2022
    Publication date: August 25, 2022
    Applicant: KMW INC.
    Inventors: Joung Hoe KIM, Sang Yoong KIM
  • Publication number: 20210234245
    Abstract: The present invention relates to a cavity filter and, in particular, provides an advantage of preventing performance deterioration of an antenna device by efficiently absorbing an assembly tolerance which may occur due to assembly design and preventing an interruption of an electrical flow, by comprising: an RF signal connecting part provided to be spaced apart at a predetermined distance from an external member having an electrode pad formed on one surface thereof; a terminal part which electrically connects the electrode pad of the external member to the RF signal connecting part, while absorbing an assembly tolerance existing within the predetermined distance and simultaneously preventing an interruption of an electrical flow between the electrode pad and the RF signal connecting part; a dielectric body which is inserted into a terminal insertion hole so as to surround the outside of the terminal part; and an elastic member which has a portion of the edge supported by the dielectric body and which elastica
    Type: Application
    Filed: April 14, 2021
    Publication date: July 29, 2021
    Applicant: KMW INC.
    Inventors: Joung Hoe Kim, Sang Yoong Kim
  • Patent number: 10608308
    Abstract: An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: March 31, 2020
    Assignee: KMW INC.
    Inventors: Nam-Shin Park, Joung-Hoe Kim, Don-Yong Lee, Kang-Hui Suh, Jong-Youn Jung, Sang-Hwan Cho, Dong-Cheon Kim, Sang-Yoong Kim, Yong-Jin Park, Oh-Kwon Kim
  • Publication number: 20190027798
    Abstract: An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.
    Type: Application
    Filed: September 26, 2018
    Publication date: January 24, 2019
    Inventors: Nam-Shin Park, Joung-Hoe Kim, Don-Yong Lee, Kang-Hui Suh, Jong-Youn Jung, Sang-Hwan Cho, Dong-Cheon Kim, Sang-Yoong Kim, Yong-Jin Park, Oh-Kwon Kim
  • Patent number: 10116027
    Abstract: An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.
    Type: Grant
    Filed: June 7, 2016
    Date of Patent: October 30, 2018
    Assignee: KMW INC.
    Inventors: Nam-Shin Park, Joung-Hoe Kim, Don-Yong Lee, Kang-Hui Suh, Jong-Youn Jung, Sang-Hwan Cho, Dong-Cheon Kim, Sang-Yoong Kim, Yong-Jin Park, Oh-Kwon Kim
  • Publication number: 20170098878
    Abstract: An automatic RF filter tuning system and a method for manufacturing a filter using the same are disclosed. An RF filter tuning system for tuning an RF filter that includes a plurality of cavities having resonance elements and a cover having tuning areas that are positioned correspondingly to the resonance elements, includes a measuring unit configured to measure resonance characteristics of the cavity of the RF filter, a control unit configured to calculate a tuning value of the RF filter based on the resonance characteristics, and a tuning unit configured to tune the RF filter based on the tuning value calculated by the control unit. The tuning unit includes a striking unit configured to strike the tuning area of the cover of the RF filter, thereby adjusting the resonance value and tuning the RF filter.
    Type: Application
    Filed: June 7, 2016
    Publication date: April 6, 2017
    Inventors: Nam-Shin Park, Joung-Hoe Kim, Don-Yong Lee, Kang-Hui Suh, Jong-Youn Jung, Sang-Hwan Cho, Dong-Cheon Kim, Sang-Yoong Kim, Yong-Jin Park, Oh-Kwon Kim