US 12,443,293 B2
Stylus detection system having touch object detecting mode and stylus detecting mode
Viktor Kremin, Lviv (UA); Andriy Ryshtun, Lviv (UA); and David G. Wright, Woodinville, WA (US)
Assigned to Wacom Co., Ltd., Saitama (JP)
Filed by Wacom Co., Ltd., Saitama (JP)
Filed on Apr. 23, 2024, as Appl. No. 18/643,746.
Application 18/643,746 is a continuation of application No. 17/872,861, filed on Jul. 25, 2022, granted, now 11,995,250.
Application 17/872,861 is a continuation of application No. 17/164,676, filed on Feb. 1, 2021, granted, now 11,397,477, issued on Jul. 26, 2022.
Application 17/164,676 is a continuation of application No. 16/712,909, filed on Dec. 12, 2019, granted, now 10,908,710, issued on Feb. 2, 2021.
Application 16/712,909 is a continuation of application No. 15/896,950, filed on Feb. 14, 2018, granted, now 10,521,027, issued on Dec. 31, 2019.
Application 15/896,950 is a continuation of application No. 15/866,033, filed on Jan. 9, 2018, granted, now 10,261,605, issued on Apr. 16, 2019.
Application 15/866,033 is a continuation of application No. 14/979,090, filed on Dec. 22, 2015, granted, now 9,904,378, issued on Feb. 27, 2018.
Application 14/979,090 is a continuation of application No. 14/095,930, filed on Dec. 3, 2013, granted, now 9,218,073, issued on Dec. 22, 2015.
Application 14/095,930 is a continuation of application No. 13/431,425, filed on Mar. 27, 2012, granted, now 8,878,823, issued on Nov. 4, 2014.
Claims priority of provisional application 61/512,324, filed on Jul. 27, 2011.
Prior Publication US 2024/0272730 A1, Aug. 15, 2024
Int. Cl. G06F 3/0354 (2013.01); G06F 3/033 (2013.01); G06F 3/038 (2013.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01)
CPC G06F 3/03545 (2013.01) [G06F 3/0383 (2013.01); G06F 3/0414 (2013.01); G06F 3/04186 (2019.05); G06F 3/044 (2013.01); G06F 3/0442 (2019.05); G06F 3/0446 (2019.05); G06F 3/033 (2013.01); G06F 3/041 (2013.01); G06F 2203/04104 (2013.01); G06F 2203/04105 (2013.01); G06F 2203/04106 (2013.01); G06F 2203/04107 (2013.01); G06F 2203/04114 (2019.05)] 11 Claims
OG exemplary drawing
 
1. A stylus detecting system, comprising:
a sense array including N number of first lines and M number of second lines crossing the N number of first lines; and
a touch controller connected to the sense array and configured to:
(i) in a touch object detecting mode, drive the N number of first lines as transmission (TX) lines with a finger sensing TX signal and measure reception (RX) signals on the M number of second lines as RX lines, and
(ii) in a stylus detecting mode, measure a stylus TX signal transmitted by a stylus, on both the N number of first lines and the M number of second lines, using #number of multiple RX channels (#RX channels) to sense more than one line of the N number of first lines and the M number of second lines at the same time, such that a complete stylus scan includes (N+M)/(#RX channels) number of scans.