ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,545, issued on Jan. 20, was assigned to MITSUBISHI ELECTRIC Corp. (Tokyo).
"Filter circuit" was invented by Takaya Maruyama (Tokyo), Sho Ikeda (Tokyo) and Koji Tsutsumi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter circuit includes: a filter unit which is connected to a signal line and which has transistors and capacitors which constitute paths for N phases, and in which the transistors to which clock signals of N phases are applied electrically connect the capacitors to the signal line; and a dummy unit which has transistors and impedance parts which constitute dummy paths corresponding, respectively, to the paths for the N phases,...