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. 28, 2009
Filed:
May. 17, 2007
Walter D. Burnside, Dublin, OH (US);
Robert J. Burkholder, Columbus, OH (US);
Chan-ping Edwin.lim, Hilliard, OH (US);
Walter D. Burnside, Dublin, OH (US);
Robert J. Burkholder, Columbus, OH (US);
Chan-Ping Edwin.Lim, Hilliard, OH (US);
YEON Technologies Co., Ltd., Taipei, TW;
Abstract
This invention provides a shelf antenna system for radio frequency identification (RFID) applications, the shelf antenna system comprises a plurality of substantially horizontal shelves, and a distributed antenna having a single feed terminal and a plurality of radiating elements, the distributed antenna being mounted next to the plurality of substantially horizontal shelves, wherein the entire shelf space of the plurality of substantially horizontal shelves are covered by radiations from the distributed antenna.