ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,109, issued on May 12, was assigned to Tonal Systems Inc. (San Francisco).

"Drop set mode for digital exercise device" was invented by Colin Russell Parker (San Francisco), Troy Taylor (Park City, Utah) and Alberto Izquierdo (Toronto).

According to the abstract* released by the U.S. Patent & Trademark Office: "A velocity of a user when performing repetitions of an exercise movement on an actuator is monitored. Based at least in part on an evaluation of the monitored velocity, it is determined that the user is within a range of proximity away from failure. In response to determining that the user is within the range of proximity away from failure: torque requested of a motor is dyn...