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:
Aug. 09, 2022
Filed:
Apr. 30, 2019
Applicant:
Fractal Antenna Systems, Inc., Bedford, MA (US);
Inventor:
Nathan Cohen, Belmont, MA (US);
Assignee:
Fractal Antenna Systems, Inc., Bedford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/41 (2006.01); G01S 13/88 (2006.01);
U.S. Cl.
CPC ...
G01S 7/41 (2013.01); G01S 13/88 (2013.01);
Abstract
Systems, apparatus, and methods are described that provide for detection of a metamaterial surface (metasurface) on a device or object. Multitone EM radiation is transmitted to the object having the metasurface. Two or more heterodyned tones are backscattered from the object and detected.