ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,233,839, issued on Feb. 25, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Redundancy based electric brake failure detection method and device using the same" was invented by Toshiaki Nakamura (Tokyo), Tohma Yamaguchi (Hitachinaka, Japan) and Asahi Watanabe (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor control device is provided which achieves redundancy while suppressing an increase in the number of parts and connection signal lines. The device includes angle sensors for detecting a rotation angle of a motor, a first microcomputer unit for controlling the motor based on a stroke sensor and receiving the detected...