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:
Mar. 16, 2021
Filed:
Feb. 07, 2020
Applicant:
Sick Ag, Waldkirch, DE;
Inventor:
Florian Pudenz, Waldkirch, DE;
Assignee:
SICK AG, Waldkirch, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01); H01Q 1/22 (2006.01); G06K 19/07 (2006.01);
U.S. Cl.
CPC ...
H01Q 1/2208 (2013.01); G06K 19/0723 (2013.01);
Abstract
An antenna () for an RFID reader, the antenna () comprising at least two linearly polarized individual antennas (-) and a feed circuit () which is connected to the individual antennas (-), wherein the individual antennas (-) are arranged relative to one another with a tilt of an internal angle and together form a circularly polarized antenna, and wherein the antenna () has a free space () in a region of the internal angle.