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:
Jun. 27, 2017
Filed:
Jan. 09, 2015
Applicant:
Vdw Design, Llc, Madison, WI (US);
Inventors:
Daniel W. van der Weide, Madison, WI (US);
Marcos Martinez, Madison, WI (US);
Assignee:
VDW DESIGN, LLC, Madison, WI (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01); G06K 7/10 (2006.01); G06K 19/067 (2006.01);
U.S. Cl.
CPC ...
G06K 7/10366 (2013.01); G06K 19/0672 (2013.01);
Abstract
The present invention relates to radio-frequency identification (RFID) tags that produce a unique radar signature by passive reflection of an electromagnetic signal. In particular, provided herein are frequency-, phase-, and/or amplitude-shift encoded RFID tags, and methods of use and manufacture thereof.