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:
Nov. 25, 2014
Filed:
Aug. 03, 2010
Long Hsu, Hsinchu, TW;
Meng-shin Yen, Taipei, TW;
William Wang, Taoyuan, TW;
Chung-cheng Chou, Luzhu Township, Taoyuan County, TW;
Long Hsu, Hsinchu, TW;
Meng-Shin Yen, Taipei, TW;
William Wang, Taoyuan, TW;
Chung-Cheng Chou, Luzhu Township, Taoyuan County, TW;
Raydium Semiconductor Corporation, Hsinchu County, TW;
Abstract
The invention provides an optical touch apparatus. The optical touch apparatus includes at least one optical path unit and at least one light sensing unit. The at least one optical path unit is located on a first side of a display unit of the optical touch apparatus and used to receive at least one directional incident light, the at least one directional incident light is focused to form an image in an imaging region through at least one refraction in the at least one optical path unit. The at least one light sensing unit is located at a relative position of the at least one optical path unit, and used to generate a sensing result according to the image in the imaging region.