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. 28, 2018
Filed:
Mar. 29, 2016
Wistron Corporation, New Taipei, TW;
Chia-Ta Hsieh, New Taipei, TW;
Yu-Yen Chen, New Taipei, TW;
Wistron Corporation, New Taipei, TW;
Abstract
An optical touch sensing system, an optical touch sensing device, and a touch detection method thereof are provided. The optical touch sensing system includes an optical touch sensing device and a stylus. The optical touch sensing device includes a touch panel, multiple optical sensors, a first light source, and a processor. The touch panel has a touch surface. The first light source generates a first light periodically. The stylus includes a switch module and a second light source. The switch module enables the second light source to generate a second light when the stylus touches the touch surface. The processor determines a position touched by the stylus according to the first light and the second light received by the optical sensors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile