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.

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.