ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,317, issued on June 30, was assigned to Siemens Healthineers AG (Forchheim, Germany).

"Position detection apparatus for wireless squeeze ball, system, and MRI system" was invented by Hong Cheng (Shenzhen, China), Jianmin Wang (Shenzhen, China) and Jan Bollenbeck (Eggolsheim, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A position detection apparatus including: an electromagnetic induction module configured to send to a mode triggering module an induced voltage signal generated due to a change in a magnetic field; a mode triggering module configured to output a preset trigger signal based on the induced voltage signal, the trigger signal co...