Patents by Inventor Du Hyun SONG
Du Hyun SONG 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).
-
Publication number: 20240131613Abstract: Disclosed is a dual heating type ultrasonic bonding apparatus including a stage, a part seating jig disposed on the stage, and an ultrasonic bonding unit disposed to correspond to the part seating jig and that bonds dissimilar parts seated on the part seating jig. The stage includes a first heater that transfers heat to the dissimilar parts through the part seating jig, and the ultrasonic bonding unit includes an ultrasonic horn that applies ultrasonic waves to the dissimilar parts, and a second heater coupled to the ultrasonic horn, and that transfers heat to the dissimilar parts through the ultrasonic horn.Type: ApplicationFiled: March 16, 2023Publication date: April 25, 2024Applicant: WITS Co., Ltd.Inventors: Du Hyun SONG, Chun Su YOON
-
Patent number: 11770021Abstract: Disclosed is a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field, the coil module including a board, a coil provided on at least one surface of the board to be rotated in one direction, and a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts as an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part decrease, among a skin effect and a proximity effect of an eddy current generated in the coil, the proximity effect by isolating electric power in a gap of the coil that is rotated in the one direction.Type: GrantFiled: February 28, 2022Date of Patent: September 26, 2023Assignee: WITS Co., Ltd.Inventors: Du Hyun Song, Seung Jae Baeck, Chun Su Yoon, Jeong Yub Yang, Dong Hyun Kim, Yong Gu Yoon, Ji Hoon Yeom
-
Publication number: 20230116340Abstract: Disclosed is a method of manufacturing a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field. The method includes preparing a substrate, forming a coil on the substrate, and forming a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts as an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part is formed through at least one of electroless plating, electro-plating, deposition, and printing.Type: ApplicationFiled: March 2, 2022Publication date: April 13, 2023Applicant: WITS Co., Ltd.Inventors: Du Hyun SONG, Seung Jae BAECK, Chun Su YOON, Jeong Yub YANG, Dong Hyun KIM, Yong Gu YOON, Ji Hoon YEOM
-
Patent number: 11605889Abstract: Proposed is a combo antenna module which laminates a loop coil and an antenna sheet to configure a combo antenna, thereby preventing the degree of design freedom from being lowered and minimizing the manufacturing cost. The proposed combo antenna module includes a magnetic sheet, a loop coil disposed on the upper surface of the magnetic sheet, and an antenna sheet having the area smaller than that of the magnetic sheet, and disposed on the upper surface of the magnetic sheet, in which the antenna sheet overlaps a part of the loop coil.Type: GrantFiled: July 5, 2019Date of Patent: March 14, 2023Assignee: AMOTECH CO., LTD.Inventors: Hyung Il Baek, Joo Seung Maeng, Ki Sang Lim, Seong Hyun Kim, Eui Jin Jeong, Du Hyun Song, Kil Jae Jang, Ki-Chul Kim, Jin Won Noh
-
Publication number: 20230014542Abstract: Disclosed is a coil module that receives or transmits electric power or signals wireless by using an electromagnetic field, the coil module including a substrate, a coil provided on at least one surface of the substrate to be rotated in one direction, and a magnetic part covering at least a portion of the coil while directly contacting a surface of the coil, and that acts an electromagnetic booster that enhances an intensity of the electromagnetic field generated on the surface of the coil, and the magnetic part decrease, among a skin effect and a proximity effect of an eddy current generated in the coil, the proximity effect by isolating electric power in a gap of the coil that is rotated in the one direction.Type: ApplicationFiled: February 28, 2022Publication date: January 19, 2023Applicant: WITS Co., Ltd.Inventors: Du Hyun SONG, Seung Jae BAECK, Chun Su YOON, Jeong Yub YANG, Dong Hyun KIM, Yong Gu YOON, Ji Hoon YEOM
-
Patent number: 11251527Abstract: Provided is an antenna module in which magnetic sheets are disposed on one surface and the other surface of an antenna sheet having a plurality of radiation patterns formed thereon, and an overlapping area between the magnetic sheets is formed to maximize antenna performance for electronic payment, short-range communication, and wireless charging. The provided antenna module comprises: the antenna sheet having radiation patterns formed thereon; a first magnetic sheet disposed on one side of the antenna sheet; and a second magnetic sheet disposed on the other side of the antenna sheet, wherein the first magnetic sheet and the second magnetic sheet form an overlapping area.Type: GrantFiled: October 31, 2018Date of Patent: February 15, 2022Assignee: AMOTECH CO., LTD.Inventors: Jin Won Noh, Hyung Il Baek, Joo-Seung Maeng, Ki Sang Lim, Seong Hyun Kim, Chung Ha Back, Eui Jin Jeong, Du Hyun Song
-
Publication number: 20210280976Abstract: Proposed is a combo antenna module which laminates a loop coil and an antenna sheet to configure a combo antenna, thereby preventing the degree of design freedom from being lowered and minimizing the manufacturing cost. The proposed combo antenna module includes a magnetic sheet, a loop coil disposed on the upper surface of the magnetic sheet, and an antenna sheet having the area smaller than that of the magnetic sheet, and disposed on the upper surface of the magnetic sheet, in which the antenna sheet overlaps a part of the loop coil.Type: ApplicationFiled: July 5, 2019Publication date: September 9, 2021Applicant: AMOTECH CO., LTD.Inventors: Hyung Il BAEK, Joo Seung MAENG, Ki Sang LIM, Seong Hyun KIM, Eui Jin JEONG, Du Hyun SONG, Kil Jae JANG, Ki-Chul KIM, Jin Won NOH
-
Publication number: 20210184354Abstract: Provided is an antenna module in which magnetic sheets are disposed on one surface and the other surface of an antenna sheet having a plurality of radiation patterns formed thereon, and an overlapping area between the magnetic sheets is formed to maximize antenna performance for electronic payment, short-range communication, and wireless charging. The provided antenna module comprises: the antenna sheet having radiation patterns formed thereon; a first magnetic sheet disposed on one side of the antenna sheet; and a second magnetic sheet disposed on the other side of the antenna sheet, wherein the first magnetic sheet and the second magnetic sheet form an overlapping area.Type: ApplicationFiled: October 31, 2018Publication date: June 17, 2021Applicant: AMOTECH CO., LTD.Inventors: Jin Won NOH, Hyung Il BAEK, Joo-Seung MAENG, Ki Sang LIM, Seong Hyun KIM, Chung Ha BACK, Eui Jin JEONG, Du Hyun SONG