ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,051, issued on Jan. 13, was assigned to IBMETRIX Ltd. (Hertfordshire, Great Britain).
"Photo-capacitance sensor" was invented by Arokia Nathan (Hertfordshire, Great Britain) and William Byrne (Hertfordshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A photo-capacitance sensor includes an input surface and one or more light sources arranged to illuminate a portion of the input surface. The photo-capacitance sensor also includes an array of photo-capacitors arranged to receive light from the one or more light sources which is reflected from an object in contact with, or proximate to, the illuminated portion of the input surface. The...