公开(公告)号：US10469133B2

公开(公告)日：2019-11-05

申请号：US15785955

申请日：2017-10-17

Applicant: WITS Co., Ltd.

Inventor： Dae Ung Ahn ,  Hyung Wook Cho ,  Jun Seung Yi ,  Yu Jin Lee ,  Seung Hun Ryu ,  Sang Beom Lee ,  Dae Ki Lim ,  Jae Hyoung Cho ,  Si Hyung Kim

IPC: H01Q1/24 ,  H01Q7/00 ,  H04B5/00 ,  H01Q19/28 ,  H01Q1/22 ,  H01F5/00 ,  H01F27/28 ,  H01F38/14

Abstract: An antenna device includes a first wiring may include a spiral shape forming an empty region therein, and a second wiring disposed inside or outside of the first wiring. The second wiring is disposed to be spaced apart from the first wiring, and includes a first ring-shaped wiring and a second ring-shaped wiring, which are concentric to each other.

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

IPC: H01Q7/06 ,  H02J50/10 ,  G06K7/10 ,  H04B5/00 ,  H01Q1/52

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.

公开(公告)号：US10673131B2

公开(公告)日：2020-06-02

申请号：US15994021

申请日：2018-05-31

Applicant: WITS Co., Ltd.

Inventor： Dae Ung Ahn ,  Jae Hyoung Cho ,  Dae Seong Jeon ,  Sung Uk Lee ,  Ki Won Chang

IPC: H01Q1/38 ,  H01Q7/00 ,  G06K19/077 ,  H04B5/00 ,  G06K19/07 ,  H01F27/38 ,  H01Q1/22 ,  H01F27/00 ,  H01Q1/40 ,  H01F27/28 ,  H01Q21/28 ,  H01F38/14 ,  H01F5/00 ,  H02J7/02 ,  H02J50/10

Abstract: A coil assembly includes: a substrate; and a coil wiring coupled to the substrate and including a spiral wiring and a lead wiring, wherein the spiral wiring includes a first section forming an outer portion of the spiral wiring and a second section, disposed inside the first section, and having a line width narrower than a line width of the first section.

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

IPC: H04B5/00 ,  H05K1/02 ,  H01F5/00

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.