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:
Sep. 11, 2018
Filed:
Apr. 24, 2015
Applicant:
Iowa State University Research Foundation, Inc., Ames, IA (US);
Inventors:
Assignee:
Iowa State University Research Foundation, Inc., Ames, IA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 27/08 (2006.01); G01N 33/24 (2006.01); G01N 27/02 (2006.01);
U.S. Cl.
CPC ...
G01N 33/246 (2013.01); G01N 27/028 (2013.01); G01N 2033/245 (2013.01);
Abstract
A soil sensor includes a housing, an antenna disposed within the housing, a measurement circuit disposed within the housing and operatively connected to the antenna, the circuit configured to measure impedance of soil at a plurality of different frequencies using the antenna as a sensor electrode, and a wireless interface disposed within the housing and operatively connected to the antenna and configured for wireless communications over the antenna at its communications frequency.