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. 24, 2013
Filed:
Dec. 02, 2011
Dae Ho Kim, Daejeon, KR;
Tae-gyu Kang, Daejeon, KR;
Sang-kyu Lim, Daejeon, KR;
Il-soon Jang, Daejeon, KR;
You Jin Kim, Daejeon, KR;
Dae Ho Kim, Daejeon, KR;
Tae-Gyu Kang, Daejeon, KR;
Sang-Kyu Lim, Daejeon, KR;
Il-Soon Jang, Daejeon, KR;
You Jin Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
A position measuring apparatus receives at least one precise position information set from at least one visible-light wireless communication device including a transmission light source, and upon receipt of the at least one precise position information ser, acquires a virtual distance based on the positions of transmission light sources imaged on an image sensor. Next, the position is measured according to the precise position information and the actual distance, virtual distance, and image sensor inclination based on this information.