ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,397,902, issued on Aug. 26, was assigned to DENSO Corp. (Kariya, Japan).
"Control device of electric drive system, electric drive system and electric aircraft" was invented by Yuuya Fujishima (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A control device of an electric drive system for rotationally driving one of a rotary blade and a screw that are a rotating body. The control device has an angle acquisition unit configured to acquire an angle of the rotating body, and a lock control unit configured to lock a rotation of the rotating body within a set lock angle range based on the acquired angle by the angle acquisition unit."
The paten...