US 11,921,953 B2
Apparatus and method for sensing touch based on multi-channel
Yunrae Jo, Yongin-si (KR); Jinchul Lee, Seoul (KR); Sungyong Cho, Hwaseong-si (KR); Bumsoo Kim, Seoul (KR); and Yoonkyung Choi, Seongnam-si (KR)
Assigned to Samsung Electronics Co., Ltd., Gyeonggi-do (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Mar. 23, 2021, as Appl. No. 17/209,838.
Claims priority of application No. 10-2020-0102056 (KR), filed on Aug. 13, 2020.
Prior Publication US 2022/0050576 A1, Feb. 17, 2022
Int. Cl. G06F 3/041 (2006.01); G06F 3/0354 (2013.01); G06F 3/044 (2006.01)
CPC G06F 3/04186 (2019.05) [G06F 3/03545 (2013.01); G06F 3/0412 (2013.01); G06F 3/04162 (2019.05); G06F 3/04164 (2019.05); G06F 3/0446 (2019.05)] 20 Claims
OG exemplary drawing
 
1. An apparatus for sensing a touch, the apparatus comprising:
a sensor array comprising a plurality of sensor groups, each of the plurality of sensor groups comprising sensors adjacent to each other;
a first switch circuit configured to connect each of the plurality of sensor groups to a first channel or a second channel according to a first control signal; and
a second switch circuit configured to select one of the first channel and the second channel according to a second control signal,
wherein the first channel comprises first signal lines individually connected to each respective sensor included in a first sensor group of the plurality of sensor groups by the first switch circuit, and
the second channel comprises a second signal line commonly connected to each of the sensors included in the first sensor group by the first switch circuit.