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John M Lutian, Liang Wang, Karlton D Powell, Steven Nabil Bathiche: Optical stylus interaction. Microsoft Technology Licensing, Brandon Roper, Judy Yee, Micky Minhas, May 31, 2016: US09354748 (7 worldwide citation)

Optical stylus interaction techniques are described. In an implementation, a display of a computing device includes optical sensors capable of detecting images projected by a stylus. A stylus may include a projection system to project various images used to convey interaction information that may be ...


2
Optical Stylus Interaction. MICROSOFT CORPORATION, August 15, 2013: US20130207937-A1

Optical stylus interaction techniques are described. In an implementation, a display of a computing device includes optical sensors capable of detecting images projected by a stylus. A stylus may include a projection system to project various images used to convey interaction information that may be ...