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. 23, 2021
Filed:
Oct. 24, 2018
Applicant:
The United States of America, As Represented BY the Secretary of Agriculture, Washington, DC (US);
Inventors:
Jochem T. Roelvink, Aukland, NZ;
Samir Trabelsi, Watkinsville, GA (US);
Assignee:
The United States of America, as represented by The Secretary of Agriculture, Washington, DC (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01R 35/00 (2006.01); G01N 22/00 (2006.01);
U.S. Cl.
CPC ...
G01R 35/005 (2013.01); G01N 22/00 (2013.01);
Abstract
A low cost planar transmission line sensor and simple calibration method for measuring the complex permittivity of materials with minimal sample preparation over a wide band of radio- and microwave frequencies. The sensor is also used for measuring anisotropic dielectric properties of materials with a defined grain.