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:
Sep. 22, 2015
Filed:
Apr. 29, 2012
Applicants:
Po-liang Huang, New Taipei, TW;
Shih-che Chien, New Taipei, TW;
Inventors:
Po-Liang Huang, New Taipei, TW;
Shih-Che Chien, New Taipei, TW;
Assignee:
Wistron Corporation, New Taipei, TW;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09G 3/00 (2006.01); G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0421 (2013.01);
Abstract
An optical touch device includes an indication plane, an image sensing unit, a light emitting unit and a frame. A sensing region is defined on the indication plane. The image sensing unit is disposed at a corner of the indication plane. The light emitting unit is disposed beside the image sensing unit and used for emitting light to the sensing region. The frame is disposed at one side of the indication plane. The frame includes two first inclined surfaces connected to each other and facing the sensing region.