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:
Apr. 30, 2013
Filed:
Aug. 07, 2009
Applicants:
Bruce W. Wilkinson, Rogers, AR (US);
Richard B. Ulrich, Bentonville, AR (US);
Nicholaus A. Jones, Fayetteville, AR (US);
Inventors:
Bruce W. Wilkinson, Rogers, AR (US);
Richard B. Ulrich, Bentonville, AR (US);
Nicholaus A. Jones, Fayetteville, AR (US);
Assignee:
Wal-Mart Stores, Inc., Bentonville, AR (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
Several embodiments provide methods and apparatus to improve communications between an RFID reader and one or more RFID tags. In one implementation, an apparatus comprises a first antenna configured to communicate with a radio frequency identification (RFID) reader; a second antenna separate from said first antenna, and configured to communicate with at least one RFID tag; and structure electrically coupling said first and second antennas.