Pen system with internal pressure tilt rotation

PT Gray, M Gray - US Patent 10,296,108, 2019 - Google Patents
(57) ABSTRACT A pen apparatus with a pressure sensitive tip mechanism that internally
generates pressure, tilt, and/or barrel rotation through the use of a multi-axis measurement …

Active stylus

H Hara, N Ide, Y Oda - US Patent 10,401,985, 2019 - Google Patents
An active stylus includes a signal processing section. The signal processing section during
operation in a first mode, while supplying a downlink signal DS1, obtained by modu lating a …

Position detector and position pointer

H Hara - US Patent 9,665,184, 2017 - Google Patents
(57) ABSTRACT A position detector includes a position pointer having an AC signal
generation circuit that is disposed in a housing and that transmits an AC signal, and a …

Position, tilt, and twist detection for stylus

CW Case Jr, J Westhues, T Qiao - US Patent 10,572,063, 2020 - Google Patents
(57) ABSTRACT A touch-sensitive display device includes a touch sensor having a plurality
of display electrodes and control logic coupled to the plurality of display electrodes. The …

Active stylus

H Hara, N Ide, Y Oda - US Patent 10,514,785, 2019 - Google Patents
4,848,496 A 7/1989 Murakami et al. 2 ()() 5/()() 43Q 18 4, 988837 A 1/1991 Murakami et al.
4, 999461 A 3/1991 Murakami et al. 2 ()() 5/() 127893 5,028,745 A 7/1991 Yamanami et al …

Position detector and position pointer

H Hara - US Patent 10,296,106, 2019 - Google Patents
US10296106B2 - Position detector and position pointer - Google Patents US10296106B2 -
Position detector and position pointer - Google Patents Position detector and position pointer …

Position detector and position pointer

H Hara - US Patent 10,338,697, 2019 - Google Patents
US10338697B2 - Position detector and position pointer - Google Patents US10338697B2 -
Position detector and position pointer - Google Patents Position detector and position pointer …

Active stylus velocity correction

J Westhues, T Qiao - US Patent 10,261,604, 2019 - Google Patents
(57) ABSTRACT A touch-sensitive display device includes a touch sensor having a plurality
of touch-sensing electrodes and control logic coupled to the plurality of touch-sensing …

Stylus-tracking piezoelectric sensor

HV Panchawagh, KD Djordjev, C Xu - US Patent 10,831,290, 2020 - Google Patents
A stylus-tracking device may include a piezoelectric receiver or transceiver array on a first
side (eg, underneath) a display. Image data may be acquired from the piezoelectric receiver …

Active stylus

H Hara, N Ide, Y Oda - US Patent 10,877,580, 2020 - Google Patents
An active stylus includes a signal processing section. The signal processing section during
operation in a first mode, while supplying a downlink signal DS1, obtained by modu lating a …