ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,559, issued on Dec. 30, was assigned to Panasonic Intellectual Property Management Co. Ltd. (Osaka, Japan).

"Inertial detection circuit, inertial sensor, and inertial detection method" was invented by Masaaki Nagai (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An inertial detection circuit includes a signal generator and a processing unit. The signal generator includes a drive voltage generator and a test voltage generator. The drive voltage generator applies to the fixed electrode a drive voltage with a first frequency. The test voltage generator applies to the fixed electrode a test voltage with a second frequency lower than the fir...