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. 05, 2016
Filed:
Jan. 20, 2011
Applicants:
Dieter Horst, Cadolzburg, DE;
Dan Yu, Beijing, CN;
Yong Yuan, Beijing, CN;
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01Q 1/22 (2006.01); H01Q 9/04 (2006.01); G06K 7/10 (2006.01); H01Q 13/20 (2006.01); G06K 17/00 (2006.01);
U.S. Cl.
CPC ...
H01Q 9/0407 (2013.01); G06K 7/10356 (2013.01); H01Q 1/2216 (2013.01); H01Q 13/20 (2013.01); G06K 2017/0051 (2013.01);
Abstract
A radio frequency identification (RFID) reader antenna includes a feeding frame, a upper stub unit connected with the first side of the feeding frame, and a lower stub unit connected with the second side of the feeding frame, wherein the upper stub unit includes M first stubs extending towards the second side of the feeding frame, the lower stub unit includes N second stubs extending towards the first side of the feeding frame, the M first stubs and the N second stubs are arranged alternately intervallic, where M, N are integers that are greater than one.