USPC............. 345/173, 179, 174; 178/1806, 19.03(57) ABSTRACT See application? le for
complete search history, An active stylus is disclosed. The stylus includes an electrode at a …

An intelligent stylus is disclosed. The stylus can provide a stylus condition in addition to a
touch input. The stylus archi tecture can include multiple sensors to sense information …

US9116571B2 - Method and system of data input for an electronic device equipped with a
touch screen - Google Patents US9116571B2 - Method and system of data input for an …

A stylus device is disclosed that is capable of changing its output so that it can communicate
and function with a multitude of touch controllers of a computing device. In an aspect, the …

4,496.981 4,520,357 4,542.375 4,602,321 4,603,356 4,642.459 4,644,338 4,655,552
4,662,718 4,671,671 4,677,428 4,679,909 4,684.939 4,698,460 4,705.942 4,720,869 …

(56) References Cited 5,430,462 A 7/1995 Katagiri et al. 5,445,871 A 8, 1995 Murase et al.
US PATENT DOCUMENTS 5,446,564 A 8, 1995 Mawatari et al. 5,461,400 A 10/1995 Ishii et …

A touch controller that can configure touch circuitry according to a scan plan, which can
define a sequence of scan events to be performed on a touch panel is disclosed. The touch …

Position-based sensing methods and systems can be used to transmit data from an input
device to a touch-sensitive device. For example, the touch sensing system may perform one …

An active stylus is capacitively coupled to a capacitive touch panel for communication. The
active stylus operates in a wait mode to receive initial communications from the panel. In …

Related US Application Data Provisional application No. 61/755,881, filed on Jan. 23, 2013,
provisional application No. 61/791,577, filed on Mar. 15, 2013, provisional application No …