Invention Grant
- Patent Title: Touch device for passive resonant stylus, driving method for the same and touch system
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Application No.: US17582135Application Date: 2022-01-24
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Publication No.: US11675446B2Publication Date: 2023-06-13
- Inventor: Seyeob Kim , Bonkee Kim , Hyoungwook Woo , Hojun Moon , Hwanhee Lee , Jongsik Kim , Youngho Cho
- Applicant: HiDeep Inc.
- Applicant Address: KR Seongnam-si
- Assignee: HIDEEP INC.
- Current Assignee: HIDEEP INC.
- Current Assignee Address: KR Seongnam-si
- Agency: Lex IP Meister, PLLC
- Priority: KR 20210013508 2021.01.29 KR 20210169036 2021.11.30
- Main IPC: G06F3/0354
- IPC: G06F3/0354 ; G06F3/044 ; G06F3/041 ; G06F3/038 ; G06F3/046

Abstract:
An embodiment of the present invention provides a touch device for sensing a position of a stylus including a resonance circuit, including: a plurality of electrode; and a touch controller configured to receive a sensing signal from the electrodes to determine a position of the stylus, wherein the electrodes includes electrodes in which directions of currents induced in the electrodes by the resonance circuit are opposite to each other.
Public/Granted literature
- US20220244806A1 TOUCH DEVICE, DRIVING METHOD THE SAME AND TOUCH SYSTEM Public/Granted day:2022-08-04
Information query
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