The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2020
Filed:
Apr. 03, 2019
Applicant:
Himax Technologies Limited, Tainan, TW;
Inventors:
Assignee:
Himax Technologies Limited, Tainan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/0354 (2013.01); G06F 3/038 (2013.01); G09G 5/00 (2006.01);
U.S. Cl.
CPC ...
G06F 3/04162 (2019.05); G06F 3/038 (2013.01); G06F 3/03545 (2013.01); G06F 3/0412 (2013.01); G09G 5/003 (2013.01); G06F 2203/0384 (2013.01); G09G 2320/0257 (2013.01);
Abstract
A position input system includes a touch screen, an active stylus and a driver. The driver transmits an uplink signal to the active stylus via the touch screen in a current touch period, the uplink signal containing timing information that informs the active stylus of timing of a next touch period in which the active stylus transmits a downlink signal to the driver via the touch screen. In another embodiment, the driver transmits an uplink signal to the active stylus via the touch screen in a current touch period of a current frame at a time different from a corresponding touch period of a previous frame.