ALEXANDRIA, Va., March 3 -- United States Patent no. 12,566,190, issued on March 3, was assigned to PROTERIAL LTD. (Tokyo).
"Rotary speed sensor" was invented by Kazuhiko Tomita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary speed sensor according to an embodiment includes: a sensor component including magnetic detection elements; a magnet on a bottom surface side of the sensor component; and a magnetic panel arranged between the bottom surface of the sensor component and the magnet and made of a magnetic material. An opening penetrating in a first direction that is an arrangement direction of the sensor component, the magnetic panel and the magnet is formed in the magnetic panel. A wall surf...