ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,109, issued on April 22, was assigned to Murata Manufacturing Co. Ltd. (Kyoto, Japan).
"Position detecting system" was invented by Takashi Ishihara (Kyoto, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A position detecting system includes receivers and a control unit. The four receivers are attached at positions different from one another in the circumferential direction of a pillar extending in the vertical direction. Each of first areas, which expands in the circumferential direction of the pillar, is an area in which the corresponding three receivers among the receivers receive radio waves from a transmitter directly, and is an area in whic...