ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,425,122, issued on Sept. 23, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Information leakage prevention shield device" was invented by Koichi Furuya (Tokyo) and Tsuyoshi Kobayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An information leakage prevention shield device includes a control unit to output a frequency setting signal for setting a filter frequency for an electromagnetic wave emitted from a device, and a modulation signal based on a time variation pattern for sequentially instructing a plurality of different transmission characteristics over time, and a dynamic electromagnetic-wave filter having a filter frequency set by ...