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:
Jul. 08, 2025
Filed:
Aug. 31, 2021
Sigmasense, Llc., Wilmington, DE (US);
Daniel Keith Van Ostrand, Leander, TX (US);
Richard Stuart Seger, Jr., Belton, TX (US);
Gerald Dale Morrison, Redmond, WA (US);
Patrick Troy Gray, Cedar Park, TX (US);
Phuong Huynh, Fairfax, VA (US);
Timothy W. Markison, Mesa, AZ (US);
Patricia M. Healy, Phoenix, AZ (US);
SIGMASENSE, LLC., Austin, TX (US);
Abstract
An organic and inorganic material test system includes at least one test container, a first and second set of electrodes embedded in the at least one test container, a set of transmit circuits coupled to the first set of electrodes, and a set of differential drive-sense circuits (DDSCs) coupled to the second set of electrodes. A first transmit circuit coupled to a first electrode is operable to produce a first transmit signal at a first frequency for transmission through contents of a first test container. A first DDSC coupled to a second electrode of the first test container includes a pair of drive-sense circuits (DSCs) and an output operational amplifier. The pair of DSCs are operable to generate receive signals at the first frequency. The output operational amplifier compares receive signals to produce a signal representative of the contents with respect to positioning of the first and second electrodes.