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:
Jul. 31, 2018
Filed:
Oct. 23, 2017
Wistron Corporation, New Taipei, TW;
You-Xin Liu, New Taipei, TW;
Jr-Shiung Jang, New Taipei, TW;
Chia-Te Chou, New Taipei, TW;
Shou-Te Wei, New Taipei, TW;
Shih-Che Chien, New Taipei, TW;
Po-Liang Huang, New Taipei, TW;
Wistron Corporation, New Taipei, TW;
Abstract
An optical touch device includes a foldable frame assembly, two image sensing units and two light emitting units. The foldable frame assembly comprises a first frame, a second frame, a third frame and a fourth frame. The two image sensing units are disposed on opposite ends of the fourth frame respectively. The two light emitting units are disposed on opposite ends of the fourth frame respectively and adjacent to the two image sensing units respectively. The frames of the foldable frame assembly are pivotally connected to each other such that the frames can rotate with respect to each other so as to be folded or expanded.