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. 25, 2023
Filed:
Oct. 26, 2021
Applicant:
Purdue Research Foundation, West Lafayette, IN (US);
Inventors:
Sarath Gopalakrishnan, West Lafayette, IN (US);
Jose Waimin, West Lafayette, IN (US);
Rahim Rahimi, West Lafayette, IN (US);
Nithin Raghunathan, West Lafayette, IN (US);
Assignee:
Purdue Research Foundation, West Lafayette, IN (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/22 (2006.01); G01N 33/24 (2006.01);
U.S. Cl.
CPC ...
G01N 27/223 (2013.01); G01N 33/246 (2013.01); G01N 2033/245 (2013.01);
Abstract
A batteryless, chipless, sensor is disclosed which includes a substrate, at least two conductive strips disposed on the substrate, a passivation layer encasing the substrate and the at least two conductive strips, wherein the conductive strips are adapted to respond to an interrogation signal from a reader having a first polarization, with a response signal at a second polarization different than the first polarization.