Thomas G Stanaland

US Patent:

20030036691, Feb 20, 2003

Filed:

Oct 7, 2002

Appl. No.:

10/266648

Inventors:

Thomas Stanaland - Winchester CA, US
Gaetan Chevalier - Encinitas CA, US

International Classification:

A61B005/04

US Classification:

600/372000

Abstract:

An electrical activity sensor for sensing and reproducing electrical potentials at the surface of a test item such as a human being has an electrode configured to be capacitively coupled to the test item and a variable capacitance coupled to the electrode. The capacitively coupled electrode and the variable capacitance cooperate to mitigate a need for conductively coupling the electrode to the test subject.

US Patent:

20020038092, Mar 28, 2002

Filed:

Jun 15, 2001

Appl. No.:

09/882229

Inventors:

Thomas Stanaland - Winchester CA, US
Gaetan Chevalier - Encinitas CA, US

International Classification:

A61B005/0408

US Classification:

600/509000

Abstract:

An electrical activity sensor for sensing and reproducing electrical potentials at the surface of a test item, such as a human being, has an electrode configured to be capacitively coupled to the test item and a detection circuit coupled to the electrode. The detection circuit compensates for capacitive coupling of the electrode. The capacitively coupled electrode and the detection circuit capacitance cooperate to mitigate a need for conductively coupling the electrode to the test subject.