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. 26, 2013
Filed:
Jul. 24, 2012
Applicants:
Hoe-sung Yang, Daejeon, KR;
Cheol Sig Pyo, Daejeon, KR;
Inventors:
Hoe-Sung Yang, Daejeon, KR;
Cheol Sig Pyo, Daejeon, KR;
Assignee:
Electronics and Telecommunications Research Institute, Daejeon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63F 9/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
When RF signals of a plurality of RFID tags installed in a plurality of casino chips are received through a plurality of reader antennas, a system for managing casino chips using RFID (radio frequency identification) estimates an angle of arrival of the received RF signals, calculates the number and positions of the plurality of casino chips by using the received RF signals and each estimated angle of arrival, and manages the plurality of casino chips by using the number and the positions of the plurality of casino chips.