ALEXANDRIA, Va., March 17 -- United States Patent no. 12,578,228, issued on March 17, was assigned to KIOMDA (Bordeaux, France).
"Miniaturized stereoscopic thermal sensor for an automatic counting device" was invented by Jean-Claude Dubois (St Michel en Greve, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The subject matter of the present invention concerns a sensor for counting and/or determining the direction of passage of objects and/or living beings, each having a thermal signature, comprising or consisting of: a pyroelectric component, preferably digital, integrating at least two pairs of detection cells; and one cell of which is masked in each pair of cells. The present invention further concer...