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:
Mar. 10, 2015
Filed:
Jul. 14, 2011
Applicant:
Woong Hwang, Seoul, KR;
Inventor:
Woong Hwang, Seoul, KR;
Assignee:
LG Innotek Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/042 (2006.01);
U.S. Cl.
CPC ...
G06F 3/042 (2013.01); G06F 3/0428 (2013.01);
Abstract
The present invention relates to a camera module and an optical touch screen using the same, the camera module including an infrared emitting diode () for emitting infrared ray, a linear sensor () for detecting a touched area by detecting infrared ray reflected from a retro reflector, and an infrared pass filter () for passing the infrared ray emitted from the infrared emitting diode () and infrared ray incident on the linear sensor ().