Patent · US Active

Method for contactless electrochemical impedance measurement

US11428657B2 · kind B2 · utility

0Cited by

4References

22Claims

0Family size

Assignee

University of Southern California · US

Inventors

Ellis Meng · Alhambra, US
Lawrence Yu · Los Angeles, US

Key dates

Filing date	Jun 5, 2017
Grant date	Aug 30, 2022
Priority date	—
Expiry date	Jun 5, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG01N17/02
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor for measuring electrochemical impedance includes a primary circuit that includes a primary electrically conducting coil and a secondary circuit that includes a secondary electrically conducting coil. The primary electrically conducting coil is inductively coupled to the secondary circuit. During operation, the secondary electrically conductive couple has contact electrodes that contact a medium for which the impedance is to be measured. An alternating current source energizes the primary electrically conducting coil during impedance measurements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.