US Patent Issued on Sept. 30 for "System and method for determining vertical position in multi-floor building" (Illinois Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,429,334, issued on Sept. 30.

"System and method for determining vertical position in multi-floor building" was invented by Cary N. Davids (Lisle, Ill.) and Carol R. Davids (Lisle, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and method for determining a floor number of a caller within a multi-floor building. A responder device obtains an entry floor barometric pressure from a barometric pressure sensor configured within the responder device, a barometric pressure of a caller device located within the building, and measurements of ambient temperature and relative humidity, which are used to determine a vertical height difference between ...