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公开(公告)号：US11626241B2
公开(公告)日：2023-04-11
申请号：US16274435
申请日：2019-02-13
Applicant: WITS Co., Ltd.
Inventor： Ha Ryong Hong , Ki Won Chang , Geun Young Park
Abstract: A coil assembly includes: a connection substrate including a coil pad and an accommodating portion disposed in a position adjacent to the coil pad; and a coil portion including a spiral wiring and an end portion bonded to the coil pad, wherein at least a portion of the coil portion is disposed in the accommodating portion.
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公开(公告)号：US10547098B2
公开(公告)日：2020-01-28
申请号：US15800887
申请日：2017-11-01
Applicant: WITS Co., Ltd.
Inventor： Sang Beom Lee , Hyung Wook Cho , Jun Seung Yi , Yu Jin Lee , Jae Suk Sung , Dae Ki Lim , Seung Hun Ryu , Ki Won Chang , Jae Hyoung Cho , Si Hyung Kim
Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
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公开(公告)号：US10608340B2
公开(公告)日：2020-03-31
申请号：US15880944
申请日：2018-01-26
Applicant: WITS Co., Ltd.
Inventor： Si Hyung Kim , Tae Heon Lee , Ki Won Chang , Taek Woo Kim , Dae Ung Ahn , Hyung Wook Cho
Abstract: An antenna module includes a wiring part including a first antenna wiring and a second antenna wiring disposed on a substrate; and a magnetic part including a first magnetic part disposed on one surface of the wiring part and a second magnetic part disposed on the other surface of the wiring part, wherein the first magnetic part is disposed on one surface of the wiring part so as to face a portion of the first antenna wiring and a portion or the entirety of the second antenna wiring, and the second magnetic part is disposed on the other surface of the wiring part so as to face the other portion of the first antenna wiring.
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公开(公告)号：US10483767B2
公开(公告)日：2019-11-19
申请号：US14859885
申请日：2015-09-21
Applicant: WITS Co., Ltd.
Inventor： Dae Ki Lim , Tae Sung Kim , Hyeon Gil Nam , Chan Gwang An , Hyun Seok Lee , Ki Won Chang , Chang Mok Han , Sang Woo Bae , Sung Eun Cho , Jae Suk Sung
IPC: H01F5/00 , H02J5/00 , H02J50/70 , H02J50/10 , H01F27/28 , H01F27/29 , H01F38/14 , H02J7/02 , H01Q7/00 , H01Q7/06 , H01F17/00
Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
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公开(公告)号：US10698455B2
公开(公告)日：2020-06-30
申请号：US16163737
申请日：2018-10-18
Applicant: WITS Co., Ltd.
Inventor： Hyo Jung Yoon , Ki Won Chang , Chang Mok Han , Si Hyung Kim , Tae Heon Lee , Hyung Wook Cho , Taek Woo Kim , Sun Hee Lee , Dae Kyu Lee
Abstract: An antenna module includes an insulating substrate; a first antenna wiring including a first spiral wiring disposed on the insulating substrate and having a first portion disposed adjacent to an edge of the insulating substrate, and a second spiral wiring disposed on the insulating substrate and spaced apart from the first spiral wiring; and a magnetic part disposed on one surface of the insulating substrate and disposed to overlap a second portion of the first spiral wiring that is adjacent to the second spiral wiring without overlapping the first portion of the first spiral wiring.
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Patent Agency Ranking
公开(公告)号：US10580560B2
公开(公告)日：2020-03-03
申请号：US15793091
申请日：2017-10-25
Applicant: WITS Co., Ltd.
Inventor： Hee Seung Kim , Ki Won Chang , Chang Hee Lee , Jae Sun Won , Hyo Jung Yoon , Gie Hyoun Kweon
Abstract: A coil module including a magnetic body having a first body portion extended in a first axial direction and a second body portion extended in a second axial direction different from the first axial direction; and a transmitting coil including a first coil wound around a portion of the first body portion and a second coil wound around a portion of the second body portion.
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公开(公告)号：US10567042B2
公开(公告)日：2020-02-18
申请号：US15806703
申请日：2017-11-08
Applicant: WITS Co.. Ltd.
Inventor： Dae Ung Ahn , Si Hyung Kim , Hyeon Gil Nam , Ki Won Chang , Yu Jin Lee , Dae Ki Lim
Abstract: A coil module may include: a board; an input/output terminal unit formed on the board; and a coil for near field communications (NFC) disposed on one, or a plurality of, surface(s) of the board and connected to the input/output terminal unit, wherein the coil for NFC includes a first pattern portion having one end connected to the input/output terminal unit and disposed on the board to rotate or turn in one direction, a second pattern portion connected to the first pattern portion and traversing an internal area of the first pattern portion to divide the internal area of the first pattern portion into at least two portions, and a third pattern portion having one end connected to the second pattern portion and the other end connected to the input/output terminal unit.
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公开(公告)号：US10522913B2
公开(公告)日：2019-12-31
申请号：US15835708
申请日：2017-12-08
Applicant: WITS Co., Ltd.
Inventor： Jae Sun Won , Hee Seung Kim , Young Min Cheon , Gie Hyoun Kweon , Jae Hyuk Jang , Ki Won Chang , Chang Hee Lee , Hyo Jung Yoon , Young Seung Roh
Abstract: An antenna module includes a coil part including a second antenna wiring disposed in a spiral shape on an insulating substrate and a first antenna wiring disposed in an internal region of the second antenna wiring; and a magnetic part including a second magnetic part disposed on a second surface of the insulating substrate and a first magnetic part extending from the second magnetic part, penetrating through the internal region of the second antenna wiring, and disposed on a first surface of the insulating substrate.
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公开(公告)号：US10454303B2
公开(公告)日：2019-10-22
申请号：US14547449
申请日：2014-11-19
Applicant: WITS Co., Ltd.
Inventor： Si Hyung Kim , Soon Tack Oh , Hyun Keun Lim , Sung Uk Lee , Ki Won Chang , Chul Gyun Park , Jae Suk Sung , Chang Soo Kang
Abstract: There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.
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公开(公告)号：US11228085B2
公开(公告)日：2022-01-18
申请号：US16723094
申请日：2019-12-20
Applicant: WITS Co., Ltd.
Inventor： Sang Beom Lee , Hyung Wook Cho , Jun Seung Yi , Yu Jin Lee , Jae Suk Sung , Dae Ki Lim , Seung Hun Ryu , Ki Won Chang , Jae Hyoung Cho , Si Hyung Kim
IPC: H01Q7/00 , H01Q1/22 , H01P7/00 , H01F38/14 , H04B5/00 , H01Q5/378 , H01F27/40 , H01F27/28 , H01F5/00 , H01Q25/00
Abstract: A double loop antenna includes a source loop comprising: a spiral-shaped conductive source coil pattern disposed on a top surface of a board, and a source capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and a bottom surface of the board; and a resonance loop comprising: a spiral-shaped conductive resonance coil pattern disposed on the bottom surface of the board, and a resonance capacitor pattern comprising symmetrical conductive patterns disposed on the top surface and the bottom surface of the board, wherein the source coil pattern and the resonance coil pattern are formed on different surfaces of the board.
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