Title:
STYLUS PEN
Document Type and Number:
WIPO Patent Application WO/2020/167029
Kind Code:
A1
Abstract:
A stylus pen according to one embodiment comprises: a body part; a conductive tip exposed to the outside from the inside of the body part; a resonant circuit unit connected to the conductive tip and resonating an electrical signal transmitted from the conductive tip. An inductor of the resonant circuit unit includes a ferrite core and a coil wound in multiple layers around at least a portion of the ferrite core. The ferrite core includes nickel, and the coil is formed such that adjacent winding layers are wound diagonally in a zigzag fashion, and may be formed with a litz wire.
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Inventors:
KIM SEYEOB (KR)
WOO HYOUNGWOOK (KR)
JUNG KIRYOUNG (KR)
KIM BONKEE (KR)
WOO HYOUNGWOOK (KR)
JUNG KIRYOUNG (KR)
KIM BONKEE (KR)
Application Number:
PCT/KR2020/002113
Publication Date:
August 20, 2020
Filing Date:
February 14, 2020
Export Citation:
Assignee:
HIDEEP INC (KR)
International Classes:
G06F3/0354; H01F1/03; H01F17/04; H01F27/00; H01F27/24; H01F27/28; H01F27/42
Foreign References:
| KR20140060933A | 2014-05-21 | |||
| JP2011107985A | 2011-06-02 | |||
| KR20110002073A | 2011-01-06 | |||
| KR20160025440A | 2016-03-08 | |||
| KR20050005542A | 2005-01-13 |
Other References:
See also references of EP 3905009A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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