09916019 cites 15 patents.

A digital pen, a touch system and a method for providing information thereof are provided. The touch system may include a display apparatus and a digital pen having a battery. The digital pen may be configured to sense a battery status of the battery, generate a signal indicating a location of the stylus with respect to the display apparatus. The signal may have a frequency corresponding to the battery status, and transmit the signal to the display apparatus. The display apparatus may be configured to receive the signal, analyze the signal, and acquire the location of the stylus and the battery status.

Title
Digital pen, touch system, and method for providing information thereof
Application Number
15/94418
Publication Number
9916019 (B2)
Application Date
April 8, 2016
Publication Date
March 13, 2018
Inventor
Young ran Han
Suwon-si
KR
Young hun Choi
Hwaseong-si
KR
Kyoung oh Choi
Seoul
KR
Seung sin Lee
Yongin-si
KR
Jeong hyun Park
Suwon-si
KR
Jae kwang Lee
Suwon-si
KR
Agent
Sughrue Mion PLLC
Assignee
SAMSUNG ELECTRONICS
KR
IPC
G06F 3/044
G06F 3/041
G06F 1/32
G06F 3/0354
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